redirect_uri 参数错误 回调域 外网可以访问的

protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {

String backUrl = "17pa992873.51mypc.cn/OF365ChairsChair/callBack";

String url = "https://open.weixin.qq.com/connect/qrconnect?appid="+Auth.APPID

+ "&redirect_uri="+URLEncoder.encode(backUrl)

+ "&response_type=code"

+ "&scope=snsapi_login"

+ "&state=STATE#wechat_redirect";

// String url = "https://open.weixin.qq.com/connect/oauth2/authorize?appid="+Auth.APPID

// + "&redirect_uri="+URLEncoder.encode(backUrl)

// + "&response_type=code"

// + "&scope=snsapi_userinfo"

// + "&state=STATE#wechat_redirect";

resp.sendRedirect(url);

}

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