```javascript
WXAPI.cmsPage('key')
```
即可读取后台发布的单页面数据：
如上图的编号，就是接口需要传入的 `key`
返回示例：
```json
{
"code": 0,
"data": {
"extJson": {},
"info": {
"content": "
1
",
"dateAdd": "2021-10-09 14:46:09",
"id": 9065,
"key": "1",
"title": "1",
"type": 0,
"userId": 2
}
},
"msg": "success"
}
```
+ content 文本编辑器的内容
+ title 标题
+ extJson 后台设置的扩展属性