该课程属于 JavaEE - A计划（一年有效期） 请加入后再学习
{
"id": "993",
"isDefault": "1",
"learnMode": "freeMode",
"isMember": "",
"status": "published",
"currentTaskId": "",
"isHideUnpublish": "0"
}
{
"i18nChapterName": "章",
"i18nUnitName": "节",
"i18nLessonName": "课时",
"i18nTaskName":"任务"
}
[{"itemType":"chapter","number":"1","published_number":0,"title":"\u8bfe\u7a0b\u8d44\u6599","result":"","resultStatus":"","lock":"","status":"published","taskId":"87016","isOptional":"0","type":"chapter","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"1","published_number":"1","title":"\u8bfe\u7a0b\u8d44\u6599","result":"","resultStatus":"","lock":false,"status":"published","taskId":"84528","isOptional":"0","type":"download","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"chapter","number":"2","published_number":0,"title":"\u8bfe\u7a0b\u5185\u5bb9","result":"","resultStatus":"","lock":"","status":"published","taskId":"87017","isOptional":"0","type":"chapter","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"2","published_number":"2","title":"01-\u8bfe\u7a0b\u6982\u8ff0","result":"","resultStatus":"","lock":false,"status":"published","taskId":"84529","isOptional":"0","type":"video","isTaskFree":"1","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"01:48","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"3","published_number":"3","title":"02-\u8bfe\u7a0b\u5927\u7eb2\u4ecb\u7ecd","result":"","resultStatus":"","lock":false,"status":"published","taskId":"84530","isOptional":"0","type":"video","isTaskFree":"1","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"02:39","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"4","published_number":"4","title":"03-\u7f13\u5b58\u548cMQ","result":"","resultStatus":"","lock":false,"status":"published","taskId":"84531","isOptional":"0","type":"video","isTaskFree":"1","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"07:10","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"5","published_number":"5","title":"04-\u672c\u5730\u7f13\u5b58\u548c\u5206\u5e03\u5f0f\u7f13\u5b58","result":"","resultStatus":"","lock":false,"status":"published","taskId":"84532","isOptional":"0","type":"video","isTaskFree":"1","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"06:24","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"6","published_number":"6","title":"06-redis\u5b89\u88c5","result":"","resultStatus":"","lock":false,"status":"published","taskId":"84533","isOptional":"0","type":"video","isTaskFree":"1","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"12:32","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"7","published_number":"7","title":"05-redis\u57fa\u672c\u4ecb\u7ecd","result":"","resultStatus":"","lock":false,"status":"published","taskId":"84534","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"05:34","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"8","published_number":"8","title":"07-redis\u914d\u7f6e\u6587\u4ef6","result":"","resultStatus":"","lock":false,"status":"published","taskId":"84535","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"08:27","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"9","published_number":"9","title":"08-redis\u56fe\u5f62\u754c\u9762\u5de5\u5177\u548ckey\u7684\u547d\u540d\u89c4\u8303","result":"","resultStatus":"","lock":false,"status":"published","taskId":"84536","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"05:50","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"10","published_number":"10","title":"09-\u547d\u4ee4\u5206\u7c7b-\u901a\u7528\u547d\u4ee4","result":"","resultStatus":"","lock":false,"status":"published","taskId":"84537","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"07:53","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"11","published_number":"11","title":"10-string\u7c7b\u578b\u57fa\u7840\u547d\u4ee4\u4e00","result":"","resultStatus":"","lock":false,"status":"published","taskId":"84538","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"10:14","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"12","published_number":"12","title":"11-string\u7c7b\u578b\u57fa\u7840\u547d\u4ee4\u4e8c","result":"","resultStatus":"","lock":false,"status":"published","taskId":"84539","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"08:02","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"13","published_number":"13","title":"12-string\u7c7b\u578b\u57fa\u7840\u547d\u4ee4\u4e09","result":"","resultStatus":"","lock":false,"status":"published","taskId":"84540","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"07:55","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"14","published_number":"14","title":"13-hash\u7c7b\u578b","result":"","resultStatus":"","lock":false,"status":"published","taskId":"84541","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"08:38","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"15","published_number":"15","title":"14-list\u7c7b\u578b\u4e00","result":"","resultStatus":"","lock":false,"status":"published","taskId":"84542","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"06:52","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"16","published_number":"16","title":"15-list\u7c7b\u578b\u4e8c","result":"","resultStatus":"","lock":false,"status":"published","taskId":"84543","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"07:57","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"17","published_number":"17","title":"16-list\u7c7b\u578b\u4e09","result":"","resultStatus":"","lock":false,"status":"published","taskId":"84544","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"11:37","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"18","published_number":"18","title":"17-set\u7c7b\u578b","result":"","resultStatus":"","lock":false,"status":"published","taskId":"84545","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"12:33","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"19","published_number":"19","title":"18-zset\u7c7b\u578b\u4e00","result":"","resultStatus":"","lock":false,"status":"published","taskId":"84546","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"11:05","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"20","published_number":"20","title":"19-zset\u7c7b\u578b\u4e8c","result":"","resultStatus":"","lock":false,"status":"published","taskId":"84547","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"09:39","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"21","published_number":"21","title":"20-zset\u7c7b\u578b\u4e09","result":"","resultStatus":"","lock":false,"status":"published","taskId":"84548","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"10:46","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"22","published_number":"22","title":"21-geo\u7c7b\u578b","result":"","resultStatus":"","lock":false,"status":"published","taskId":"84549","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"01:45","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"23","published_number":"23","title":"22-hyperloglogs","result":"","resultStatus":"","lock":false,"status":"published","taskId":"84550","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"05:25","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"24","published_number":"24","title":"23-bitmap\u7c7b\u578b","result":"","resultStatus":"","lock":false,"status":"published","taskId":"84551","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"08:11","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"25","published_number":"25","title":"24-redis\u4e8b\u52a1\u6982\u8ff0","result":"","resultStatus":"","lock":false,"status":"published","taskId":"84552","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"04:38","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"26","published_number":"26","title":"25-redis\u4e8b\u52a1\u5b9e\u64cd","result":"","resultStatus":"","lock":false,"status":"published","taskId":"84553","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"07:18","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"27","published_number":"27","title":"26-redis-\u4e8b\u52a1\u603b\u7ed3\u53ca\u9762\u8bd5\u9898","result":"","resultStatus":"","lock":false,"status":"published","taskId":"84554","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"05:29","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"28","published_number":"28","title":"27-watch\u7684\u4f7f\u7528\u6982\u8ff0","result":"","resultStatus":"","lock":false,"status":"published","taskId":"84555","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"05:47","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"29","published_number":"29","title":"28-watch\u5b9e\u64cd","result":"","resultStatus":"","lock":false,"status":"published","taskId":"84556","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"06:31","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"30","published_number":"30","title":"29-\u6301\u4e45\u5316\u6982\u8ff0","result":"","resultStatus":"","lock":false,"status":"published","taskId":"84557","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"04:48","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"31","published_number":"31","title":"30-\u8fdb\u7a0b\u7684\u6982\u5ff5","result":"","resultStatus":"","lock":false,"status":"published","taskId":"84558","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"05:56","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"32","published_number":"32","title":"31-\u7ba1\u9053\u7b26-pid","result":"","resultStatus":"","lock":false,"status":"published","taskId":"84559","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"06:36","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"33","published_number":"33","title":"32-\u7236\u8fdb\u7a0b\u4e0e\u5b50\u8fdb\u7a0b","result":"","resultStatus":"","lock":false,"status":"published","taskId":"84560","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"08:24","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"34","published_number":"34","title":"33-\u7269\u7406\u5185\u5b58\u4e0e\u865a\u62df\u5185\u5b58","result":"","resultStatus":"","lock":false,"status":"published","taskId":"84561","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"05:59","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"35","published_number":"35","title":"34-rdb\u6301\u4e45\u5316\u539f\u7406","result":"","resultStatus":"","lock":false,"status":"published","taskId":"84562","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"05:55","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"36","published_number":"36","title":"35-fork\u548ccopy-on-write","result":"","resultStatus":"","lock":false,"status":"published","taskId":"84563","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"06:26","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"37","published_number":"37","title":"36-rdb\u6d41\u7a0b\u53ca\u539f\u7406\u5206\u6790\u603b\u7ed3","result":"","resultStatus":"","lock":false,"status":"published","taskId":"84564","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"06:26","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"38","published_number":"38","title":"37-rdb\u5b9e\u64cd","result":"","resultStatus":"","lock":false,"status":"published","taskId":"84565","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"08:06","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"39","published_number":"39","title":"38-aof\u57fa\u672c\u4f7f\u7528","result":"","resultStatus":"","lock":false,"status":"published","taskId":"84566","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"07:58","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"40","published_number":"40","title":"39-aof\u91cd\u5199\u673a\u5236","result":"","resultStatus":"","lock":false,"status":"published","taskId":"84567","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"09:08","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"41","published_number":"41","title":"40-rdb\u548caof\u6df7\u5408\u4f7f\u7528","result":"","resultStatus":"","lock":false,"status":"published","taskId":"84568","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"08:00","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"42","published_number":"42","title":"41-\u5b9e\u64cd\u5bf9\u6bd4rdb-aof-\u6df7\u5408","result":"","resultStatus":"","lock":false,"status":"published","taskId":"84569","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"11:52","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"43","published_number":"43","title":"42-\u6301\u4e45\u5316\u603b\u7ed3","result":"","resultStatus":"","lock":false,"status":"published","taskId":"84570","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"07:41","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"44","published_number":"44","title":"43-\u53d1\u5e03\u548c\u8ba2\u9605","result":"","resultStatus":"","lock":false,"status":"published","taskId":"84571","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"06:31","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"45","published_number":"45","title":"44-\u4e3b\u4ece\u590d\u5236\u7684\u6982\u5ff5\u548c\u8865\u5145\u8bf4\u660e","result":"","resultStatus":"","lock":false,"status":"published","taskId":"84572","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"05:59","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"46","published_number":"46","title":"45-akf\u670d\u52a1\u62c6\u5206","result":"","resultStatus":"","lock":false,"status":"published","taskId":"84573","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"07:07","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"47","published_number":"47","title":"46-akf\u8be6\u7ec6\u8bf4\u660e","result":"","resultStatus":"","lock":false,"status":"published","taskId":"84574","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"04:47","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"48","published_number":"48","title":"47-akf\u62c6\u5206\u4e4b\u540e\u4ea7\u751f\u7684\u95ee\u9898","result":"","resultStatus":"","lock":false,"status":"published","taskId":"84575","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"08:37","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"49","published_number":"49","title":"48-\u4e3b\u4ece\u590d\u5236","result":"","resultStatus":"","lock":false,"status":"published","taskId":"84576","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"06:41","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"50","published_number":"50","title":"49-\u81ea\u52a8\u6545\u969c\u8f6c\u79fb\u5206\u6790","result":"","resultStatus":"","lock":false,"status":"published","taskId":"84577","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"05:48","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"51","published_number":"51","title":"50-\u6545\u969c\u8fc1\u79fb-\u624b\u52a8\u65b9\u5f0f-\u6d4b\u8bd5\u73af\u5883\u642d\u5efa","result":"","resultStatus":"","lock":false,"status":"published","taskId":"84578","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"06:01","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"52","published_number":"52","title":"51-\u6545\u969c\u8fc1\u79fb-\u624b\u52a8\u65b9\u5f0f-\u5b8c\u6210\u4e3b\u4ece\u590d\u5236","result":"","resultStatus":"","lock":false,"status":"published","taskId":"84579","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"10:00","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"53","published_number":"53","title":"52-\u6545\u969c\u8fc1\u79fb-\u624b\u52a8\u65b9\u5f0f-\u5b8c\u6210\u6570\u636e\u6062\u590d","result":"","resultStatus":"","lock":false,"status":"published","taskId":"84580","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"07:38","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"54","published_number":"54","title":"53-\u6545\u969c\u8fc1\u79fb-\u624b\u52a8\u65b9\u5f0f-\u5b8c\u6210\u6545\u969c\u5207\u6362","result":"","resultStatus":"","lock":false,"status":"published","taskId":"84581","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"11:31","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"55","published_number":"55","title":"54-\u6545\u969c\u8fc1\u79fb-\u624b\u52a8\u65b9\u5f0f-\u5c0f\u7ed3","result":"","resultStatus":"","lock":false,"status":"published","taskId":"84582","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"05:44","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"56","published_number":"56","title":"55-\u4e3b\u4ece\u590d\u5236\u539f\u7406\u5206\u6790-\u5b8c\u6574\u91cd\u540c\u6b65","result":"","resultStatus":"","lock":false,"status":"published","taskId":"84583","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"09:21","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"57","published_number":"57","title":"56-\u4e3b\u4ece\u590d\u5236\u539f\u7406\u5206\u6790-\u90e8\u5206\u91cd\u540c\u6b65\u53ca\u8fc7\u7a0b\u603b\u7ed3","result":"","resultStatus":"","lock":false,"status":"published","taskId":"84584","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"09:30","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"58","published_number":"58","title":"57-\u54e8\u5175-\u4e3b\u89c2\u4e0b\u7ebf\u4e0e\u5ba2\u89c2\u4e0b\u7ebf-\u4ef2\u88c1\u673a\u5236","result":"","resultStatus":"","lock":false,"status":"published","taskId":"84585","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"06:39","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"59","published_number":"59","title":"58-\u54e8\u5175-\u81ea\u52a8\u6545\u969c\u8fc1\u79fb\u5b9e\u6218","result":"","resultStatus":"","lock":false,"status":"published","taskId":"84586","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"09:44","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"60","published_number":"60","title":"59-\u54e8\u5175\u914d\u7f6e\u6587\u4ef6","result":"","resultStatus":"","lock":false,"status":"published","taskId":"84587","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"03:41","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"61","published_number":"61","title":"60-\u4e3b\u4ece\u590d\u5236\u548c\u9ad8\u53ef\u7528\u89e3\u51b3\u7684\u95ee\u9898\u548c\u672a\u89e3\u51b3\u7684\u95ee\u9898","result":"","resultStatus":"","lock":false,"status":"published","taskId":"84588","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"02:40","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"62","published_number":"62","title":"61-\u4ee3\u7406-\u5206\u533a\u65b9\u6848\u6982\u8ff0","result":"","resultStatus":"","lock":false,"status":"published","taskId":"84589","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"06:20","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"63","published_number":"63","title":"62-\u5ba2\u6237\u7aef\u89e3\u51b3\u65b9\u6848-\u968f\u673a\u7b97\u6cd5","result":"","resultStatus":"","lock":false,"status":"published","taskId":"84590","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"03:28","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"64","published_number":"64","title":"63-\u5ba2\u6237\u7aef\u89e3\u51b3\u65b9\u6848-\u4e00\u81f4\u6027hash\u7b97\u6cd5-\u54c8\u5e0c\u73af","result":"","resultStatus":"","lock":false,"status":"published","taskId":"84591","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"10:44","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"65","published_number":"65","title":"64-\u5ba2\u6237\u7aef\u89e3\u51b3\u65b9\u6848\u7f3a\u70b9","result":"","resultStatus":"","lock":false,"status":"published","taskId":"84592","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"05:09","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"66","published_number":"66","title":"65-\u670d\u52a1\u5668\u7aef\u89e3\u51b3\u65b9\u6848-\u4ee3\u7406","result":"","resultStatus":"","lock":false,"status":"published","taskId":"84593","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"05:46","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"67","published_number":"67","title":"66-\u9884\u5206\u533a\u5b9e\u73b0\u539f\u7406","result":"","resultStatus":"","lock":false,"status":"published","taskId":"84594","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"05:27","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"68","published_number":"68","title":"67-cluster-\u5b9e\u73b0\u539f\u7406\u5206\u6790","result":"","resultStatus":"","lock":false,"status":"published","taskId":"84595","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"06:02","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"69","published_number":"69","title":"68-redis\u4ee3\u7406-twemproxy\u5b9e\u64cd","result":"","resultStatus":"","lock":false,"status":"published","taskId":"84596","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"14:21","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"70","published_number":"70","title":"69-cluster\u5b9e\u64cd-\u73af\u5883\u642d\u5efa\u53ca\u7b80\u5355\u6d4b\u8bd5","result":"","resultStatus":"","lock":false,"status":"published","taskId":"84597","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"08:31","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"71","published_number":"71","title":"70-cluster\u5b9e\u64cd-hashtag\u4f7f\u7528","result":"","resultStatus":"","lock":false,"status":"published","taskId":"84598","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"05:45","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"72","published_number":"72","title":"71-cluster\u5b9e\u64cd-\u6570\u636e\u91cd\u65b0\u5206\u7247","result":"","resultStatus":"","lock":false,"status":"published","taskId":"84599","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"08:31","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"73","published_number":"73","title":"72-\u7f13\u5b58\u7684\u5f15\u5165","result":"","resultStatus":"","lock":false,"status":"published","taskId":"84600","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"05:17","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"74","published_number":"74","title":"73-\u7f13\u5b58\u96ea\u5d29","result":"","resultStatus":"","lock":false,"status":"published","taskId":"84601","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"04:23","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"75","published_number":"75","title":"74-\u7f13\u5b58\u7a7f\u900f\u548c\u7f13\u5b58\u51fb\u7a7f","result":"","resultStatus":"","lock":false,"status":"published","taskId":"84602","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"05:35","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"76","published_number":"76","title":"75-\u5e03\u9686\u8fc7\u6ee4\u5668","result":"","resultStatus":"","lock":false,"status":"published","taskId":"84603","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"05:16","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"77","published_number":"77","title":"76-redis6.x\u4ece\u5165\u95e8\u5230\u5b9e\u6218-\u7406\u8bba\u7bc7\u8bfe\u7a0b\u603b\u7ed3","result":"","resultStatus":"","lock":false,"status":"published","taskId":"84604","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"01:25","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true}]
