用markdown写文档


# 自定义双向消息说明文档

## 一、变量说明
---------------
  -  {courseId}    课程ID
  -  {userName}    用户名
  -  {tisClientId}     聊天服务ID
  -  {schoolId}      幼儿园ID
  -  {timestamp}    时间戳
  -  {state}        1为是，0为否 
  -  {layout}       "wis"为图片，"vod"为点播视频，"teacher"为讲师直播视频，"student"为学生直播视频
## 二、加入会话
---------------
  -  topic1: live/{courseId}
  -  topic2: live/{courseId}/{tisClientId}_{userName}
  -  topic3: live/{courseId}/{schoolId}

## 三、消息说明
---------------

  * 删除聊天

{
“msgType”: “deleteTisHistory”,
“extra”: “{tisClientId}{userName}{timestamp}” // tismsg的extra字段
}

* 全体禁言

{
“msgType”: “bannedAll”,
“state”: {state}
}

* 禁言列表

{
“msgType”: “bannedList”,
“list”: [“{userName}_{courseId}”]
}

* 切换布局

{
“msgType”: “switchLayout”,
“layout”: {layout}
}

* 上课/下课

{
“msgType”: “switchClass”,
“state”: {state}
}

* 图片

{
“msgType”: “wis”,
“url”: “http://yt-dev.oss-cn-hangzhou.aliyuncs.com/dev/wangxiao/image/resource/203/doc/0b5077a9-140f-4c9a-b918-efe1f8909ae2.pdf-0.jpg“
}

* 音频

{
“msgType”: “aod”,
“state”: {state},
“url”: “http://yt-dev.oss-cn-hangzhou.aliyuncs.com/dev/wangxiao/image/resource/172/audio/0499a172-a1e6-4ea9-91b5-aa11d33504d1.mp3“,
“currentTime”: 3.385044,
“volume”: 1
}

* 视频

{
“msgType”: “vod”,
“state”: {state},
“url”: “http://21746.long-vod.cdn.aodianyun.com/u/21746/mp4/640x360/360-f93bd4443b3512bd8d91b1c79b8bc6fd.mp4“,
“currentTime”: 3.385044,
“volume”: 1
}

* 答题

{
“msgType”: “question”,
“state”: {state},
“params”: {
“stem”: {
“text”: “test444 中国四大名著有哪些？”,
“type”: “text”,
“image”: null
},
“type”: “MCQ_MULTIPLE_ANSWER”,
“weights”: 4,
“analysis”: null,
“answerKeys”: [{
“key”: “A”,
“weight”: 1,
“alternativeKeys”: null
}, {
“key”: “B”,
“weight”: 1,
“alternativeKeys”: null
}, {
“key”: “C”,
“weight”: 1,
“alternativeKeys”: null
}, {
“key”: “D”,
“weight”: 1,
“alternativeKeys”: null
}],
“answerChoices”: [{
“id”: “A”,
“text”: “水浒传”,
“type”: “text”,
“image”: null
}, {
“id”: “B”,
“text”: “三国演义”,
“type”: “text”,
“image”: null
}, {
“id”: “C”,
“text”: “红楼梦”,
“type”: “text”,
“image”: null
}, {
“id”: “D”,
“text”: “西游记”,
“type”: “text”,
“image”: null
}, {
“id”: “E”,
“text”: “”,
“type”: “text”,
“image”: null
}, {
“id”: “F”,
“text”: “”,
“type”: “text”,
“image”: null
}],
“answerAutoGradingStrategy”: “AnswerChoiceMatchStrategy”,
“id”: “0dff10c2-644a-43e5-b620-e609af68c154”,
“createTime”: 1527647539452,
“lastUpdateTime”: 1527647539452,
“deleteTime”: null,
“appKey”: “c0cc57fee3f143fbbcdfa59d8ec6a0c2”,
“ownerIdentityProvider”: “yitong.com”,
“ownerUserId”: “20003”,
“urn”: “TM135”,
“contentType”: “x-question”,
“storage”: “https://yt-dev.oss-cn-hangzhou.aliyuncs.com/dev/media/c0cc57fee3f143fbbcdfa59d8ec6a0c2/x-question/2018/05/30/67bef033-b863-4959-88bb-3718615149f1/“,
“storageSize”: null,
“sortKey”: 2018053010321900000,
“name”: null,
“description”: null,
“score”: 1,
“index”: 4
},
“myROPId”: 51
}