/// <summary>
/// 查询微信支付订单信息
/// </summary>
/// <param name="appid"></param>
/// <param name="out_trade_no"></param>
/// <returns></returns>
public WeiXinOderInfo ReqQueryOrder(string appId, string appKey, string mchId, string out_trade_no)
{
WeiXinOderInfo oder = null;
if (!string.IsNullOrEmpty(appId) && !string.IsNullOrEmpty(appKey) && !string.IsNullOrEmpty(mchId))
{
//初始化
Hashtable hs = new Hashtable();
hs.Add("appid", appId);
hs.Add("mch_id", mchId);
hs.Add("nonce_str", PayUtil.GetNoncestr().ToLower());
hs.Add("out_trade_no", out_trade_no);
string sign = PayUtil.CreateMd5Sign(hs, appKey, HttpContext.Current.Request.ContentEncoding.BodyName);
PayUtil.SaveLog("ReqQueryOrder sign：", sign);
hs.Add("sign", sign);
string data = PayUtil.ParseXML(hs);
PayUtil.SaveLog("ReqQueryOrder package（XML）：", data);
string orderQueryResponseXml = PayUtil.Send(data, "https://api.mch.weixin.qq.com/pay/orderquery");
PayUtil.SaveLog("ReqQueryOrder package（Back_XML）：", orderQueryResponseXml);
oder = PayUtil.XmlDeSerialize <WeiXinOderInfo>(orderQueryResponseXml, System.Text.Encoding.UTF8);
}
return(oder);
}
/// <summary>
/// 获取当前用户的微信 OpenId，如果知道用户的OpenId请不要使用该函数
/// </summary>
private void GetUserOpenId(PayModel payModel, string redirect_uri)
{
if (!string.IsNullOrEmpty(payModel.AppId) && !string.IsNullOrEmpty(payModel.AppKey) && !string.IsNullOrEmpty(payModel.AppSecret))
{
HttpRequest Request = HttpContext.Current.Request;
HttpResponse Response = HttpContext.Current.Response;
string code = Request.QueryString["code"];
if (string.IsNullOrEmpty(code))
{
string code_url = string.Format("https://open.weixin.qq.com/connect/oauth2/authorize?appid={0}&redirect_uri={1}&response_type=code&scope=snsapi_base&state=lk#wechat_redirect", payModel.AppId, redirect_uri);
Response.Redirect(code_url);
}
else
{
#region =======获取支付用户 OpenID=========
string url = string.Format("https://api.weixin.qq.com/sns/oauth2/access_token?appid={0}&secret={1}&code={2}&grant_type=authorization_code", payModel.AppId, payModel.AppSecret, code);
string returnStr = PayUtil.Send("", url);
PayUtil.SaveLog("获取token返回信息：", returnStr);
var obj = JsonConvert.DeserializeObject <OpenModel>(returnStr);
url = string.Format("https://api.weixin.qq.com/sns/oauth2/refresh_token?appid={0}&grant_type=refresh_token&refresh_token={1}", payModel.AppId, obj.refresh_token);
returnStr = PayUtil.Send("", url);
obj = JsonConvert.DeserializeObject <OpenModel>(returnStr);
PayUtil.SaveLog("用户access_token/openid：", obj.access_token + "/" + obj.openid);
//url = string.Format("https://api.weixin.qq.com/sns/userinfo?access_token={0}&openid={1}", obj.access_token, obj.openid);
//returnStr = HttpUtil.Send("", url);
//PayUtil.SaveLog("用户信息：" , returnStr);
UserOpenId = obj.openid;
#endregion
}
}
else
{
PayUtil.SaveLog("获取用户的微信用户OpenId失败", "参数->AppId:" + payModel.AppId + ";AppKey:" + payModel.AppKey + ";AppSecret:" + payModel.AppSecret);
}
}