private static string genPackageSign(WXPrePost postParams)
{
//拼接排序list
Dictionary <string, string> packageParams = new Dictionary <string, string>();
packageParams.Add("appid", postParams.appid);
packageParams.Add("body", postParams.body);
packageParams.Add("detail", postParams.detail);
packageParams.Add("mch_id", postParams.mch_id);
packageParams.Add("nonce_str", postParams.nonce_str);
packageParams.Add("notify_url", postParams.notify_url);
packageParams.Add("out_trade_no", postParams.out_trade_no);
packageParams.Add("spbill_create_ip", postParams.spbill_create_ip);
packageParams.Add("total_fee", postParams.total_fee + "");
packageParams.Add("trade_type", postParams.trade_type);
StringBuilder sb = new StringBuilder();
foreach (var packageParam in packageParams)
{
sb.Append(packageParam.Key);
sb.Append('=');
sb.Append(packageParam.Value);
sb.Append('&');
}
sb.Append("key=");
sb.Append(PartnerKey);//key设置路径：微信商户平台(pay.weixin.qq.com)-->账户设置-->API安全-->密钥设置
//这里又用到了从实例代码复制的MD5 可以去上面copy
String packageSign = MD5Tool.GetMD5(sb.ToString()).ToUpper();
return(packageSign);
}
//-----------------------微信下单代码----------------------
//微信统一下单
public static WeChatOrderInfo WeChatPlaceOrder(float money)
{
WXPrePost post = new WXPrePost();
post.appid = Pay_App_Id;
post.mch_id = PartnerId;
post.nonce_str = genNonceStr(32); //随机字符串 **1 不超过32位
post.body = "商品购买"; //商品标题
post.detail = "用于购买商品"; //详细信息
post.out_trade_no = TopUpComponent.GetTradeNo(); //商户订单号 **2
post.total_fee = (int)(money * 100); //单位是分
post.spbill_create_ip = "127.0.0.1"; //ip地址 **3
post.notify_url = GetOuterPostAddress(); //这里是后台接受支付结果通知的url地址
post.trade_type = "APP";
post.sign = genPackageSign(post); //签名
Dictionary <string, string> firstSignParams = getFirstSignParams(post);
string xmlParams = toXml(firstSignParams);
string callStr = HttpPost.Post(PlaceOrderUrl, xmlParams);
// Console.WriteLine("收到下单回调:");
// Console.WriteLine(callStr);
XElement xe = XElement.Parse(callStr);
string prepayId = xe.Element("prepay_id").Value;
string nonceStr = xe.Element("nonce_str").Value;
// Console.WriteLine("prepay_id:"+ prepayId);
// Console.WriteLine("nonce_str:" + nonceStr);
return(WeChatOrderInfoFactory.Creator(prepayId, nonceStr, post.out_trade_no));
}
private static Dictionary <string, string> getFirstSignParams(WXPrePost postParams)
{
Dictionary <string, string> packageParams = new Dictionary <string, string>();
packageParams.Add("appid", postParams.appid);
packageParams.Add("body", postParams.body);
packageParams.Add("detail", postParams.detail);
packageParams.Add("mch_id", postParams.mch_id);
packageParams.Add("nonce_str", postParams.nonce_str);
packageParams.Add("notify_url", postParams.notify_url);
packageParams.Add("out_trade_no", postParams.out_trade_no);
packageParams.Add("spbill_create_ip", postParams.spbill_create_ip);
packageParams.Add("total_fee", postParams.total_fee + "");
packageParams.Add("trade_type", postParams.trade_type);
packageParams.Add("sign", postParams.sign);
return(packageParams);
}
