主要用于自定义菜单指向的自有网页地址获取微信号信息，设置OAuth授权转向至/oauthServlet地址，若配置正确即可获取用户openid及用户基本资料等信息。-Mainly used for custom menu point to their own web address WeChat ID information, authorized to set the request to/oauthServlet address, if configured properly availab