[{"itemType":"chapter","number":"1","published_number":0,"title":"\u7b2c\u4e00\u5929\u7684\u5b66\u4e60\u5185\u5bb9\u300c\u5efa\u8bae\u6309\u8ba1\u5212\u5b8c\u6210\u6bcf\u5929\u4efb\u52a1\u300d\u4ee5\u4fdd\u8bc1\u6700\u7ec8\u76ee\u6807\u6309\u8ba1\u5212\u8fbe\u6210\uff01\uff01\uff01","result":"","resultStatus":"","lock":"","status":"published","taskId":"2228897","isOptional":"0","type":"chapter","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"1","published_number":"1","title":"\u8d44\u6599\u6587\u6863\u4e0b\u8f7d","result":"","resultStatus":"","lock":false,"status":"published","taskId":"1817876","isOptional":"0","type":"text","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"2","published_number":"2","title":"01-\u6574\u4f53\u8bfe\u7a0b\u5b89\u6392\u548c\u5f53\u5929\u5b66\u4e60\u76ee\u6807_.avi","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1817877","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"09:07","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"3","published_number":"3","title":"02-\u534f\u8bae\u7684\u6982\u5ff5_.avi","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1817878","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"19:39","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"4","published_number":"4","title":"03-OSI\u4e03\u5c42\u6a21\u578b\u548cTCP\u56db\u5c42\u6a21\u578b_.avi","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1817879","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"24:34","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"5","published_number":"5","title":"04-\u6570\u636e\u901a\u4fe1\u8fc7\u7a0b\u5206\u6790_.avi","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1817880","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"20:46","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"6","published_number":"6","title":"05-\u4e24\u79cd\u5e94\u7528\u7a0b\u5e8f\u7684\u8bbe\u8ba1\u6a21\u5f0f_.avi","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1817881","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"12:33","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"7","published_number":"7","title":"06-\u4ee5\u592a\u7f51\u5e27\u683c\u5f0f---\u4ee5ARP\u534f\u8bae\u4e3a\u4f8b\u8bb2\u89e3\u4ee5\u592a\u7f51\u5e27\u683c\u5f0f_.avi","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1817882","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"23:48","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"8","published_number":"8","title":"07-IP\u534f\u8bae_UDP\u534f\u8bae_TCP\u534f\u8bae_.avi","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1817883","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"20:41","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"9","published_number":"9","title":"08-socketAPI\u7f16\u7a0b\u4ecb\u7ecd_.avi","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1817884","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"09:24","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"10","published_number":"10","title":"09-\u5b57\u8282\u5e8f\u548cIP\u5730\u5740\u8f6c\u6362\u51fd\u6570_.avi","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1817885","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"20:26","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"11","published_number":"11","title":"10-sockaddr\u7ed3\u6784\u4f53\u4ecb\u7ecd_.avi","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1817886","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"07:15","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"12","published_number":"12","title":"11-socketAPI\u51fd\u6570\u4ecb\u7ecd_.avi","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1817887","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"15:55","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"13","published_number":"13","title":"12-socketAPI\u7f16\u7a0b\u6d41\u7a0b\u56fe\u4ecb\u7ecd_.avi","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1817888","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"05:04","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"14","published_number":"14","title":"13-\u670d\u52a1\u7aef\u7684\u5f00\u53d1\u6d41\u7a0b_.avi","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1817889","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"05:33","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"15","published_number":"15","title":"14-\u670d\u52a1\u7aef\u5f00\u53d1\u7684\u4ee3\u7801_.avi","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1817890","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"15:22","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"16","published_number":"16","title":"15-\u5ba2\u6237\u7aef\u4ee3\u7801\u5f00\u53d1\u6d41\u7a0b_.avi","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1817891","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"09:20","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"17","published_number":"17","title":"16-\u5ba2\u6237\u7aef\u4ee3\u7801\u6848\u4f8b_.avi","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1817892","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"18:07","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"18","published_number":"18","title":"17-\u6d4b\u8bd5\u670d\u52a1\u7aef\u548c\u5ba2\u6237\u7aef\u901a\u4fe1_.avi","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1817893","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"15:55","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"19","published_number":"19","title":"\u6bcf\u65e5\u4f5c\u4e1a","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1817894","isOptional":"0","type":"testpaper","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"chapter","number":"2","published_number":0,"title":"\u7b2c2\u5929\u7684\u5b66\u4e60\u5185\u5bb9\u300c\u5efa\u8bae\u6309\u8ba1\u5212\u5b8c\u6210\u6bcf\u5929\u4efb\u52a1\u300d\u4ee5\u4fdd\u8bc1\u6700\u7ec8\u76ee\u6807\u6309\u8ba1\u5212\u8fbe\u6210\uff01\uff01\uff01","result":"","resultStatus":"","lock":"","status":"published","taskId":"2228898","isOptional":"0","type":"chapter","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"20","published_number":"20","title":"18-\u5185\u5bb9\u56de\u987e_.avi","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1817895","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"26:11","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"21","published_number":"21","title":"19-\u5b66\u4e60\u76ee\u6807_.avi","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1817896","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"02:45","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"22","published_number":"22","title":"20-\u4e09\u6b21\u63e1\u624b\u548c\u56db\u6b21\u6325\u624b_.avi","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1817897","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"15:50","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"23","published_number":"23","title":"21-\u4e09\u6b21\u63e1\u624b\u548c\u56db\u6b21\u6325\u624b\u8fc7\u7a0b\u5206\u6790\u56fe_.avi","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1817898","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"15:04","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"24","published_number":"24","title":"22-\u6ed1\u52a8\u7a97\u53e3_.avi","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1817899","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"12:57","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"25","published_number":"25","title":"23-MTU-mss\u7684\u6982\u5ff5_.avi","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1817900","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"05:42","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"26","published_number":"26","title":"24-wrap.c\u6587\u4ef6\u4ee3\u7801\u89e3\u8bfb\u548c\u5206\u6790_.avi","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1817901","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"18:29","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"27","published_number":"27","title":"25-\u7c98\u5305\u7684\u6982\u5ff5\u548c\u89e3\u51b3\u65b9\u6cd5_.avi","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1817902","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"20:12","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"28","published_number":"28","title":"26-\u591a\u8fdb\u7a0b\u7248\u672c\u7684\u670d\u52a1\u5668\u601d\u8def\u5206\u6790_.avi","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1817903","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"21:05","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"29","published_number":"29","title":"27-\u591a\u8fdb\u7a0b\u7248\u672c\u7684\u670d\u52a1\u5668\u4ee3\u7801\u5b9e\u73b0_.avi","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1817904","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"27:35","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"30","published_number":"30","title":"28-\u591a\u7ebf\u7a0b\u7248\u672c\u7684\u9ad8\u5e76\u53d1\u670d\u52a1\u5668\u7f16\u5199\u601d\u8def_.avi","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1817905","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"12:21","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"31","published_number":"31","title":"29-\u591a\u7ebf\u7a0b\u7248\u672c\u7684\u9ad8\u5e76\u53d1\u670d\u52a1\u5668\u4ee3\u7801\u5b9e\u73b0_.avi","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1817906","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"27:14","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"32","published_number":"32","title":"30-\u591a\u7ebf\u7a0b\u7248\u672c\u4ee3\u7801\u6539\u8fdb\u601d\u8def_.avi","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1817907","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"09:04","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"33","published_number":"33","title":"\u6bcf\u65e5\u4f5c\u4e1a","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1817908","isOptional":"0","type":"testpaper","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"chapter","number":"3","published_number":0,"title":"\u7b2c3\u5929\u7684\u5b66\u4e60\u5185\u5bb9\u300c\u5efa\u8bae\u6309\u8ba1\u5212\u5b8c\u6210\u6bcf\u5929\u4efb\u52a1\u300d\u4ee5\u4fdd\u8bc1\u6700\u7ec8\u76ee\u6807\u6309\u8ba1\u5212\u8fbe\u6210\uff01\uff01\uff01","result":"","resultStatus":"","lock":"","status":"published","taskId":"2228899","isOptional":"0","type":"chapter","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"34","published_number":"34","title":"31-\u5185\u5bb9\u56de\u987e_.avi","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1817909","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"22:13","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"35","published_number":"35","title":"32-\u5b66\u4e60\u76ee\u6807_.avi","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1817910","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"02:04","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"36","published_number":"36","title":"33-TCP\u72b6\u6001\u8f6c\u6362\u56fe---\u4e09\u6b21\u63e1\u624b\u8fc7\u7a0b_.avi","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1817911","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"09:44","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"37","published_number":"37","title":"34-TCP\u72b6\u6001\u8f6c\u6362\u56fe--\u56db\u6b21\u6325\u624b\u8fc7\u7a0b_.avi","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1817912","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"08:21","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"38","published_number":"38","title":"35-TCP\u72b6\u6001\u8f6c\u6362---\u603b\u7ed3_.avi","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1817913","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"20:27","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"39","published_number":"39","title":"36-\u4e3a\u4ec0\u4e48\u8981\u4f7f\u75282MSL_.avi","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1817914","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"18:34","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"40","published_number":"40","title":"37-\u8bbe\u7f6e\u7aef\u53e3\u590d\u7528-setsockopt\u51fd\u6570_.avi","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1817915","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"12:19","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"41","published_number":"41","title":"38-\u534a\u5173\u95ed_.avi","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1817916","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"14:29","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"42","published_number":"42","title":"39-\u5fc3\u8df3\u5305_.avi","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1817917","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"17:08","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"43","published_number":"43","title":"40-select\u53ca\u5176\u76f8\u5173\u51fd\u6570\u51fd\u6570\u8bb2\u89e3_.avi","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1817918","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"24:04","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"44","published_number":"44","title":"41-\u4f7f\u7528select\u5f00\u53d1\u7f51\u7edc\u670d\u52a1\u5668\u601d\u8def\u5206\u6790_.avi","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1817919","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"28:30","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"45","published_number":"45","title":"42-\u4f7f\u7528select\u5f00\u53d1\u7f51\u7edc\u670d\u52a1\u5668\u4ee3\u7801\u5b9e\u73b0_.avi","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1817920","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"24:08","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"46","published_number":"46","title":"43-\u5173\u4e8eselect\u4ee3\u7801\u4f18\u5316\u95ee\u9898_.avi","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1817921","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"08:21","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"47","published_number":"47","title":"44-select\u4f18\u7f3a\u70b9_.avi","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1817922","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"05:17","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"48","published_number":"48","title":"\u6bcf\u65e5\u4f5c\u4e1a","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1817923","isOptional":"0","type":"testpaper","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"chapter","number":"4","published_number":0,"title":"\u7b2c4\u5929\u7684\u5b66\u4e60\u5185\u5bb9\u300c\u5efa\u8bae\u6309\u8ba1\u5212\u5b8c\u6210\u6bcf\u5929\u4efb\u52a1\u300d\u4ee5\u4fdd\u8bc1\u6700\u7ec8\u76ee\u6807\u6309\u8ba1\u5212\u8fbe\u6210\uff01\uff01\uff01","result":"","resultStatus":"","lock":"","status":"published","taskId":"2228900","isOptional":"0","type":"chapter","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"49","published_number":"49","title":"45-\u5185\u5bb9\u56de\u987e_.avi","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1817924","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"19:30","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"50","published_number":"50","title":"46-\u5b66\u4e60\u76ee\u6807_.avi","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1817925","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"03:13","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"51","published_number":"51","title":"47-poll\u51fd\u6570\u4ecb\u7ecd_.avi","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1817926","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"18:21","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"52","published_number":"52","title":"48-poll\u5f00\u53d1\u670d\u52a1\u7aef\u601d\u8def\u5206\u6790_.avi","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1817927","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"26:08","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"53","published_number":"53","title":"49-poll\u76f8\u5173\u603b\u7ed3_.avi","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1817928","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"15:37","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"54","published_number":"54","title":"50-epoll\u76f8\u5173\u51fd\u6570\u4ecb\u7ecd_.avi","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1817929","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"30:36","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"55","published_number":"55","title":"51-epoll\u6a21\u578b\u4ee3\u7801\u7f16\u5199\u601d\u8def_.avi","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1817930","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"16:57","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"56","published_number":"56","title":"52-epoll\u6a21\u578b\u4ee3\u7801\u7f16\u5199_.avi","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1817931","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"17:43","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"57","published_number":"57","title":"53-epoll\u7684ET\u6a21\u5f0f\u548cLT\u6a21\u5f0f\u7684\u533a\u522b_.avi","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1817932","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"10:11","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"58","published_number":"58","title":"54-epoll\u7684ET\u6a21\u5f0f\u7684\u975e\u963b\u585e\u6a21\u5f0f_.avi","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1817933","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"12:25","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"59","published_number":"59","title":"55-epoll\u53cd\u5e94\u5806\u7684\u6838\u5fc3\u601d\u60f3_.avi","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1817934","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"08:07","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"60","published_number":"60","title":"56-EPOLL\u53cd\u5e94\u5806\u4ee3\u7801\u5206\u67901_.avi","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1817935","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"15:45","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"61","published_number":"61","title":"57-\u901a\u8fc7\u56fe\u89e3\u65b9\u5f0f\u7406\u89e3epoll\u53cd\u5e94\u5806\u6d41\u7a0b_.avi","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1817936","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"16:00","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"62","published_number":"62","title":"58-EPOLL\u53cd\u5e94\u5806\u590d\u6742\u7248\u4ee3\u7801\u9605\u8bfb\u548c\u5206\u6790_.avi","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1817937","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"13:54","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"63","published_number":"63","title":"\u6bcf\u65e5\u4f5c\u4e1a","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1817938","isOptional":"0","type":"testpaper","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"chapter","number":"5","published_number":0,"title":"\u7b2c5\u5929\u7684\u5b66\u4e60\u5185\u5bb9\u300c\u5efa\u8bae\u6309\u8ba1\u5212\u5b8c\u6210\u6bcf\u5929\u4efb\u52a1\u300d\u4ee5\u4fdd\u8bc1\u6700\u7ec8\u76ee\u6807\u6309\u8ba1\u5212\u8fbe\u6210\uff01\uff01\uff01","result":"","resultStatus":"","lock":"","status":"published","taskId":"2228901","isOptional":"0","type":"chapter","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"64","published_number":"64","title":"59-\u5185\u5bb9\u56de\u987e_.avi","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1817939","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"19:04","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"65","published_number":"65","title":"60-\u5b66\u4e60\u76ee\u6807_.avi","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1817940","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"02:17","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"66","published_number":"66","title":"61-\u7ebf\u7a0b\u6c60\u601d\u60f3\u5206\u6790_.avi","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1817941","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"23:27","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"67","published_number":"67","title":"62-\u7ebf\u7a0b\u6c60\u5934\u6587\u4ef6\u4ecb\u7ecd_.avi","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1817942","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"08:55","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"68","published_number":"68","title":"63-\u7b80\u5355\u7248\u672c--\u4e3b\u7ebf\u7a0b\u6dfb\u52a0\u4efb\u52a1\u8bb2\u89e3_.avi","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1817943","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"11:44","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"69","published_number":"69","title":"64-\u7b80\u5355\u7248\u672c-\u5b50\u7ebf\u7a0b\u6267\u884c\u4efb\u52a1\u548c\u9500\u6bc1\u7ebf\u7a0b\u6c60_.avi","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1817944","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"13:34","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"70","published_number":"70","title":"65-\u7b80\u5355\u7248\u672c-\u901a\u8fc7\u6d41\u7a0b\u56fe\u5206\u6790\u603b\u4f53\u6d41\u7a0b_.avi","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1817945","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"19:04","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"71","published_number":"71","title":"66-\u590d\u6742\u7248\u672c\u7684\u7ebf\u7a0b\u6c60---\u7ebf\u7a0b\u6c60\u7ed3\u6784\u4f53\u4ecb\u7ecd_.avi","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1817946","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"11:15","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"72","published_number":"72","title":"67-\u590d\u6742\u7248\u7684\u7ebf\u7a0b\u6c60\u4ee3\u7801\u5206\u67901--\u4e3b\u7ebf\u7a0b_.avi","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1817947","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"12:52","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"73","published_number":"73","title":"68-\u590d\u6742\u7248\u7684\u7ebf\u7a0b\u6c60\u4ee3\u7801\u5206\u67902--\u5b50\u7ebf\u7a0b_.avi","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1817948","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"10:32","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"74","published_number":"74","title":"69-\u590d\u6742\u7248\u7684\u7ebf\u7a0b\u6c60\u4ee3\u7801\u5206\u67903--\u7ba1\u7406\u7ebf\u7a0b_.avi","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1817949","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"14:22","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"75","published_number":"75","title":"70-udp\u901a\u4fe1\u7b80\u5355\u4ecb\u7ecd_.avi","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1817950","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"09:56","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"76","published_number":"76","title":"71-\u670d\u52a1\u7aef\u548c\u5ba2\u6237\u7aef\u7684\u5f00\u53d1\u6d41\u7a0b_.avi","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1817951","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"07:50","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"77","published_number":"77","title":"72-udp\u670d\u52a1\u7aef\u4ee3\u7801\u5f00\u53d1\u6848\u4f8b_.avi","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1817952","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"15:41","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"78","published_number":"78","title":"73-udp\u5ba2\u6237\u7aef\u4ee3\u7801\u6848\u4f8b_.avi","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1817953","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"09:29","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"79","published_number":"79","title":"74-\u672c\u5730socket\u901a\u4fe1\u670d\u52a1\u7aef\u5f00\u53d1\u6d41\u7a0b_.avi","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1817954","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"14:09","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"80","published_number":"80","title":"75-\u672c\u5730socket\u901a\u4fe1\u670d\u52a1\u7aef\u4ee3\u7801\u6848\u4f8b_.avi","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1817955","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"14:33","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"81","published_number":"81","title":"76-\u672c\u5730socket\u901a\u4fe1\u5ba2\u6237\u7aef\u4ee3\u7801\u6848\u4f8b_.avi","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1817956","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"16:37","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"82","published_number":"82","title":"\u6bcf\u65e5\u4f5c\u4e1a","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1817957","isOptional":"0","type":"testpaper","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"chapter","number":"6","published_number":0,"title":"\u7b2c6\u5929\u7684\u5b66\u4e60\u5185\u5bb9\u300c\u5efa\u8bae\u6309\u8ba1\u5212\u5b8c\u6210\u6bcf\u5929\u4efb\u52a1\u300d\u4ee5\u4fdd\u8bc1\u6700\u7ec8\u76ee\u6807\u6309\u8ba1\u5212\u8fbe\u6210\uff01\uff01\uff01","result":"","resultStatus":"","lock":"","status":"published","taskId":"2228902","isOptional":"0","type":"chapter","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"83","published_number":"83","title":"77-\u5185\u5bb9\u56de\u987e_.avi","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1817958","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"10:39","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"84","published_number":"84","title":"78-\u5b66\u4e60\u76ee\u6807_.avi","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1817959","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"01:54","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"85","published_number":"85","title":"79-libevent\u4ecb\u7ecd\u548c\u5b89\u88c5_.avi","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1817960","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"16:11","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"86","published_number":"86","title":"80-libevent\u7684\u5730\u57fa--event_base_.avi","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1817961","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"17:18","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"87","published_number":"87","title":"81-\u4e8b\u4ef6\u5faa\u73af\u51fd\u6570-event_loop_.avi","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1817962","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"05:01","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"88","published_number":"88","title":"82-libevent\u7684\u4e3b\u8981\u72b6\u6001\u548c\u72b6\u6001\u53d8\u5316\u8bf4\u660e_.avi","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1817963","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"14:59","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"89","published_number":"89","title":"83-libevent\u670d\u52a1\u7aef\u7a0b\u5e8f\u7684\u7f16\u5199\u601d\u8def\u5206\u6790_.avi","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1817964","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"14:14","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"90","published_number":"90","title":"84-libevent\u670d\u52a1\u7aef\u7a0b\u5e8f\u7684\u4ee3\u7801\u5b9e\u73b0_.avi","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1817965","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"23:54","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"91","published_number":"91","title":"85-libevent\u670d\u52a1\u7aef\u7a0b\u5e8f\u6d4b\u8bd5\u548c\u9519\u8bef\u5206\u6790_.avi","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1817966","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"08:01","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"92","published_number":"92","title":"86-bufferevent\u4ecb\u7ecd_.avi","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1817967","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"12:50","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"93","published_number":"93","title":"87-bufferevent\u76f8\u5173\u51fd\u6570\u4ecb\u7ecd_.avi","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1817968","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"09:22","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"94","published_number":"94","title":"88-\u94fe\u63a5\u76d1\u542c\u5668\u76f8\u5173\u51fd\u6570\u4ecb\u7ecd_.avi","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1817969","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"11:23","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"95","published_number":"95","title":"89-libevent\u4ee3\u7801\u5206\u6790\u548c\u9605\u8bfb_.avi","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1817970","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"23:37","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"96","published_number":"96","title":"90-hello-world.c\u4ee3\u7801--\u589e\u52a0\u8bfb\u4e8b\u4ef6\u76f8\u5173\u4ee3\u7801_.avi","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1817971","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"09:41","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"97","published_number":"97","title":"91-libevent\u670d\u52a1\u7aef\u4ee3\u7801\u6d41\u7a0b\u56fe\u5206\u6790_.avi","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1817972","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"18:59","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"98","published_number":"98","title":"92-libevent\u5ba2\u6237\u7aef\u4ee3\u7801\u5206\u6790_.avi","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1817973","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"08:06","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"99","published_number":"99","title":"\u6bcf\u65e5\u4f5c\u4e1a","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1817974","isOptional":"0","type":"testpaper","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"chapter","number":"7","published_number":0,"title":"\u7b2c7\u5929\u7684\u5b66\u4e60\u5185\u5bb9\u300c\u5efa\u8bae\u6309\u8ba1\u5212\u5b8c\u6210\u6bcf\u5929\u4efb\u52a1\u300d\u4ee5\u4fdd\u8bc1\u6700\u7ec8\u76ee\u6807\u6309\u8ba1\u5212\u8fbe\u6210\uff01\uff01\uff01","result":"","resultStatus":"","lock":"","status":"published","taskId":"2228903","isOptional":"0","type":"chapter","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"100","published_number":"100","title":"93-\u5185\u5bb9\u56de\u987e_.avi","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1817975","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"20:40","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"101","published_number":"101","title":"94-\u5b66\u4e60\u76ee\u6807_.avi","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1817976","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"02:20","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"102","published_number":"102","title":"95-\u6848\u4f8b\u7684\u603b\u4f53\u5c55\u793a\u548c\u76f8\u5173\u77e5\u8bc6\u70b9\u5f52\u7eb3_.avi","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1817977","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"16:26","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"103","published_number":"103","title":"96-html\u6807\u7b7e_head_body_title_hn\u6807\u7b7e_.avi","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1817978","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"16:49","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"104","published_number":"104","title":"97-html\u6807\u7b7e_\u5217\u8868\u6807\u7b7e_.avi","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1817979","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"07:43","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"105","published_number":"105","title":"98-\u56fe\u7247\u6807\u7b7e\u548c\u8d85\u8fde\u63a5\u6807\u7b7e_.avi","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1817980","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"16:01","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"106","published_number":"106","title":"99-http\u8bf7\u6c42\u6d88\u606f\u683c\u5f0f\u8bf4\u660e_.avi","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1817981","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"16:08","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"107","published_number":"107","title":"100-get\u548cpost\u7684\u533a\u522b_.avi","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1817982","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"07:59","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"108","published_number":"108","title":"101-http\u54cd\u5e94\u6d88\u606f\u683c\u5f0f\u8bf4\u660e_.avi","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1817983","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"12:14","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"109","published_number":"109","title":"102-\u6d4f\u89c8\u5668\u548cweb\u670d\u52a1\u5668\u6574\u4f53\u529f\u80fd\u4ecb\u7ecd_.avi","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1817984","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"12:19","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"110","published_number":"110","title":"103-web\u670d\u52a1\u7aef\u5f00\u53d1\u6d41\u7a0b\u5206\u6790_.avi","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1817985","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"22:06","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"111","published_number":"111","title":"104-web\u670d\u52a1\u7aef\u4ee3\u7801\u5f00\u53d11_.avi","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1817986","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"15:53","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"112","published_number":"112","title":"105-web\u670d\u52a1\u7aef\u4ee3\u7801\u5f00\u53d12_.avi","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1817987","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"32:07","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"113","published_number":"113","title":"106-web\u670d\u52a1\u7aef\u5f00\u53d13_.avi","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1817988","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"21:57","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"114","published_number":"114","title":"\u6bcf\u65e5\u4f5c\u4e1a","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1817989","isOptional":"0","type":"testpaper","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"chapter","number":"8","published_number":0,"title":"\u7b2c8\u5929\u7684\u5b66\u4e60\u5185\u5bb9\u300c\u5efa\u8bae\u6309\u8ba1\u5212\u5b8c\u6210\u6bcf\u5929\u4efb\u52a1\u300d\u4ee5\u4fdd\u8bc1\u6700\u7ec8\u76ee\u6807\u6309\u8ba1\u5212\u8fbe\u6210\uff01\uff01\uff01","result":"","resultStatus":"","lock":"","status":"published","taskId":"2228904","isOptional":"0","type":"chapter","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"115","published_number":"115","title":"107-web\u670d\u52a1\u5668bug\u4fee\u590d\u548c\u5b8c\u5584_.avi","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1817990","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"10:24","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"116","published_number":"116","title":"108-scandir\u51fd\u6570_.avi","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1817991","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"07:43","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"117","published_number":"117","title":"109-\u7ed9web\u670d\u52a1\u5668\u6dfb\u52a0\u76ee\u5f55\u8bbf\u95ee_.avi","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1817992","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"16:34","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"118","published_number":"118","title":"110-web\u670d\u52a1\u5668\u6dfb\u52a0\u9ed8\u8ba4\u8bbf\u95ee\u8def\u5f84_.avi","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1817993","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"20:54","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"119","published_number":"119","title":"111-\u89e3\u51b3\u8bbf\u95ee\u76ee\u5f55\u4e2d\u6587\u4ef6\u7684\u95ee\u9898_.avi","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1817994","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"05:39","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"120","published_number":"120","title":"112-\u53d1\u73b0\u4e0d\u80fd\u8bbf\u95ee\u4e2d\u6587\u6587\u4ef6\u548c\u4f18\u5316\u5206\u6790_.avi","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1817995","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"14:50","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"121","published_number":"121","title":"113-\u89e3\u51b3\u4e2d\u6587\u6587\u4ef6\u8bbf\u95ee\u7684\u95ee\u9898_.avi","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1817996","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"20:14","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"122","published_number":"122","title":"114-\u89e3\u51b3SIGPIPE\u4fe1\u53f7\u95ee\u9898_.avi","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1817997","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"21:57","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"123","published_number":"123","title":"115-\u65e5\u5fd7\u76f8\u5173\u51fd\u6570\u8bb2\u89e3_.avi","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1817998","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"22:00","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"124","published_number":"124","title":"116-bufferevent\u7248\u672c\u7684web\u670d\u52a1\u5668_.avi","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1817999","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"07:40","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"125","published_number":"125","title":"\u6bcf\u65e5\u4f5c\u4e1a","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1818000","isOptional":"0","type":"testpaper","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true}]