public void GetOpenidAndAccessToken()
{
if (!string.IsNullOrEmpty(page.Request.QueryString["code"]))
{
//获取code码,以获取openid和access_token
string code = page.Request.QueryString["code"];
GetOpenidAndAccessTokenFromCode(code);
}
else
{
//构造网页授权获取code的URL
string host = page.Request.Url.Host;
string path = page.Request.Path;
string redirect_uri = HttpUtility.UrlEncode("http://" + host + path);
WxPayData data = new WxPayData();
data.SetValue("appid", appid);
data.SetValue("redirect_uri", redirect_uri);
data.SetValue("response_type", "code");
data.SetValue("scope", "snsapi_base");
data.SetValue("state", "STATE" + "#wechat_redirect");
string url = "https://open.weixin.qq.com/connect/oauth2/authorize?" + data.ToUrl();
try
{
//触发微信返回code码
page.Response.Redirect(url);//Redirect函数会抛出ThreadAbortException异常,不用处理这个异常
}
catch(System.Threading.ThreadAbortException ex)
{
}
}
}
protected void Page_Load(object sender, EventArgs e) { Log.Info(this.GetType().ToString(), "page load"); if (!IsPostBack) { JsApiPay jsApiPay = new JsApiPay(this); try { //调用【网页授权获取用户信息】接口获取用户的openid和access_token jsApiPay.GetOpenidAndAccessToken(); //获取收货地址js函数入口参数 wxEditAddrParam = jsApiPay.GetEditAddressParameters(); ViewState["openid"] = jsApiPay.openid; } catch (Exception ex) { Response.Write("<span style='color:#FF0000;font-size:20px'>" + "页面加载出错,请重试" + "</span>"); Button1.Visible = false; Button2.Visible = false; Label1.Visible = false; Label2.Visible = false; } } }