json cq 码 添加 说明

docs/cqhttp.md

@@ -170,6 +170,16 @@ Type: `xml`
 
 ###json消息支持
 
+Type: `json`
+
+范围: **发送**
+
+参数:
+
+| 参数名 | 类型   | 说明                                                         |
+| ------ | ------ | ------------------------------------------------------------ |
+| data     | string | json内容，json的所有字符串记得实体化处理|
+
 json中的字符串需要进行转义：
 
 >","=>`,`、
@@ -182,6 +192,11 @@ json中的字符串需要进行转义：
 
 否则无法正确得到解析
 
+示例json 的cq码：
+```test
+[CQ:json,data={"app":"com.tencent.miniapp","desc":"","view":"notification","ver":"0.0.0.1","prompt":"[应用]","appID":"","sourceName":"","actionData":"","actionData_A":"","sourceUrl":"","meta":{"notification":{"appInfo":{"appName":"全国疫情数据统计","appType":4,"appid":1109659848,"iconUrl":"http:\/\/gchat.qpic.cn\/gchatpic_new\/719328335\/-2010394141-6383A777BEB79B70B31CE250142D740F\/0"},"data":[{"title":"确诊","value":"80932"},{"title":"今日确诊","value":"28"},{"title":"疑似","value":"72"},{"title":"今日疑似","value":"5"},{"title":"治愈","value":"60197"},{"title":"今日治愈","value":"1513"},{"title":"死亡","value":"3140"},{"title":"今**亡","value":"17"}],"title":"中国加油，武汉加油","button":[{"name":"病毒：SARS-CoV-2，其导致疾病命名 COVID-19","action":""},{"name":"传染源：新冠肺炎的患者。无症状感染者也可能成为传染源。","action":""}],"emphasis_keyword":""}},"text":"","sourceAd":""}]
+```
+
 ## API
 
 ### 设置群名