private void GetOpenidAndAccessTokenFromCode(string code)
{
try
{
//构造获取openid及access_token的url
WxPayData data = new WxPayData();
data.SetValue("appid", WxPayConfig.APPID);
data.SetValue("secret", WxPayConfig.APPSECRET);
data.SetValue("code", code);
data.SetValue("grant_type", "authorization_code");
string url = "https://api.weixin.qq.com/sns/oauth2/access_token?" + data.ToUrl();
//请求url以获取数据
string result = HttpService.Get(url);
//保存access_token，用于收货地址获取
JsonData jd = JsonMapper.ToObject(result);
_accessToken = (string)jd["access_token"];
//获取用户openid
_openId = (string)jd["openid"];
LogHelper.CreateLog(string.Format("WxPayController.GetOpenidAndAccessTokenFromCode openid:{0}\r\naccess_token:{1}", _openId, _accessToken), "wxdebug");
}
catch (Exception ex)
{
LogHelper.WriteLog(ex, "~/logs/GeneralLog");
throw new WxPayException(ex.ToString());
}
}
public ActionResult WxPayIndex()
{
var shopcarViewModel = Session["Car"] as ShopCarViewModel;
if (shopcarViewModel == null)
return RedirectToAction("CheckInfoTicket", "Booking");
_totalFee = Convert.ToInt32(shopcarViewModel.UserInfo.SumPrice * 100).ToString();
LogHelper.CreateLog("进入WxPayIndex" + Request.QueryString["code"], "wxdebug");
if (!string.IsNullOrEmpty(Request.QueryString["code"]))
{
Session["Car"] = null;
var orderId = shopcarViewModel.OrderId;
string code = Request.QueryString["code"];
LogHelper.CreateLog(string.Format("WxPayController.WxPayIndex code:{0}", code), "wxdebug");
GetOpenidAndAccessTokenFromCode(code);
var wxjsParam = PrePay(orderId);
try
{
PrePayModel prePayModel = JsonConvert.DeserializeObject<PrePayModel>(wxjsParam);
if (prePayModel != null)
{
// var wxJsApiParam = string.Format(@"timestamp:{0},nonceStr:'{1}',package:'{2}'
// ,signType:'{3}',paySign:'{4}'", prePayModel.TimeStamp, prePayModel.NonceStr,
// prePayModel.PackAge,
// prePayModel.SignType, prePayModel.PaySign);
// LogHelper.CreateLog(wxJsApiParam, "wxdebug");
ViewData["timestamp2"] = prePayModel.TimeStamp;
ViewData["nonceStr2"] = prePayModel.NonceStr;
ViewData["package2"] = prePayModel.PackAge;
ViewData["signType2"] = prePayModel.SignType;
ViewData["paySign2"] = prePayModel.PaySign;
}
}
catch (Exception ex)
{
LogHelper.CreateLog(ex.StackTrace, "wxdebug");
}
var wxConfigResult = Jssdk.GetWxConfigResult(WxPayConfig.APPID, WxPayConfig.APPSECRET, Request.Url.AbsoluteUri);
ViewData["appid"] = wxConfigResult.appid;
ViewData["timestamp"] = wxConfigResult.timestamp;
ViewData["noncestr"] = wxConfigResult.noncestr;
ViewData["signature"] = wxConfigResult.signature;
}
else
{
//构造网页授权获取code的URL
string host = Request.Url.Host;
string path = Request.Path;
string redirect_uri = HttpUtility.UrlEncode("http://" + host + path);
WxPayData data = new WxPayData();
data.SetValue("appid", WxPayConfig.APPID);
data.SetValue("redirect_uri", redirect_uri);
data.SetValue("response_type", "code");
data.SetValue("scope", "snsapi_base");
data.SetValue("state", "STATE" + "#wechat_redirect");
data.SetValue("showwxpaytitle", "1");
string url = "https://open.weixin.qq.com/connect/oauth2/authorize?" + data.ToUrl();
LogHelper.CreateLog(string.Format("WxPayController.WxPayIndex Will Redirect to URL :{0} ", url), "wxdebug");
try
{
//触发微信返回code码
Response.Redirect(url);//Redirect函数会抛出ThreadAbortException异常，不用处理这个异常
}
catch (System.Threading.ThreadAbortException)
{
}
}
return View();
}
/**
*
* 获取收货地址js函数入口参数,详情请参考收货地址共享接口：http://pay.weixin.qq.com/wiki/doc/api/jsapi.php?chapter=7_9
* @return string 共享收货地址js函数需要的参数，json格式可以直接做参数使用
*/
private string GetEditAddressParameters()
{
string parameter = "";
try
{
string host = Request.Url.Host;
string path = Request.Path;
string queryString = Request.Url.Query;
//这个地方要注意，参与签名的是网页授权获取用户信息时微信后台回传的完整url
string url = "http://" + host + path + queryString;
//构造需要用SHA1算法加密的数据
WxPayData signData = new WxPayData();
signData.SetValue("appid", WxPayConfig.APPID);
signData.SetValue("url", url);
signData.SetValue("timestamp", WxPayApi.GenerateTimeStamp());
signData.SetValue("noncestr", WxPayApi.GenerateNonceStr());
signData.SetValue("accesstoken", _accessToken);
string param = signData.ToUrl();
//Log.Debug(this.GetType().ToString(), "SHA1 encrypt param : " + param);
//SHA1加密
string addrSign = FormsAuthentication.HashPasswordForStoringInConfigFile(param, "SHA1");
//Log.Debug(this.GetType().ToString(), "SHA1 encrypt result : " + addrSign);
//获取收货地址js函数入口参数
WxPayData afterData = new WxPayData();
afterData.SetValue("appId", WxPayConfig.APPID);
afterData.SetValue("scope", "jsapi_address");
afterData.SetValue("signType", "sha1");
afterData.SetValue("addrSign", addrSign);
afterData.SetValue("timeStamp", signData.GetValue("timestamp"));
afterData.SetValue("nonceStr", signData.GetValue("noncestr"));
//转为json格式
parameter = afterData.ToJson();
//Log.Debug(this.GetType().ToString(), "Get EditAddressParam : " + parameter);
}
catch (Exception ex)
{
//Log.Error(this.GetType().ToString(), ex.ToString());
throw new WxPayException(ex.ToString());
}
return parameter;
}
