/// <summary>
/// 根据返回的XML创建WeXinPayAPIResponseEntity
/// </summary>
/// <param name="orderInfoXmlStr">订单XML</param>
/// <returns></returns>
public static WeXinPayAPIResponseEntity Create(string orderInfoXmlStr)
{
WeXinPayAPIResponseEntity entity = null;
if (string.IsNullOrEmpty(orderInfoXmlStr) == false)
{
//加载返回的XML
XmlDocument doc = new XmlDocument();
doc.LoadXml(orderInfoXmlStr);
XmlElement root = doc.DocumentElement;
//获取WeXinPayAPIResponseEntity所有的属性
var props = typeof(WeXinPayAPIResponseEntity).GetProperties();
var propDict = new Dictionary <string, System.Reflection.PropertyInfo>();
foreach (var pop in props)
{
propDict.Add(pop.Name, pop);
}
entity = new WeXinPayAPIResponseEntity();
//遍历设置WeXinPayAPIResponseEntity的值
foreach (XmlElement cNode in root.ChildNodes)
{
string nodeName = cNode.Name;
if (propDict.ContainsKey(nodeName) == true)
{
propDict[nodeName].SetValue(entity, cNode.InnerText, null);
}
}
}
return(entity);
}
//调用支付接口
private void Pay(WeXinPayAPIResponseEntity resultEntity)
{
if (resultEntity.return_code == "SUCCESS")
{
if (resultEntity.result_code == "SUCCESS")
{
//参数说明详见 https://pay.weixin.qq.com/wiki/doc/api/app/app.php?chapter=9_12
Smobiler.Plugins.WeiXinPayEntity appPayEntity = new Smobiler.Plugins.WeiXinPayEntity()
{
nonceStr = resultEntity.nonce_str,
package = "Sign=WXPay",
partnerId = resultEntity.mch_id,
prepayId = resultEntity.prepay_id,
timeStamp = ((int)((DateTime.Now.ToUniversalTime().Ticks - 621355968000000000) / 10000000)).ToString()
};
//按签名规范重新生成签名，注意package的值格式为Sign=WXPay
//https://pay.weixin.qq.com/wiki/doc/api/app/app.php?chapter=4_3
string signTempStr = string.Format("appid={0}&noncestr={1}&package={2}&partnerid={3}&prepayid={4}×tamp={5}&key={6}", resultEntity.appid, appPayEntity.nonceStr, appPayEntity.package, appPayEntity.partnerId, appPayEntity.prepayId, appPayEntity.timeStamp, key);
var md5 = new System.Security.Cryptography.MD5CryptoServiceProvider();
appPayEntity.sign = BitConverter.ToString(md5.ComputeHash(System.Text.Encoding.UTF8.GetBytes(signTempStr))).Replace("-", "");
//调用支付功能
this.weiXin1.pay(appPayEntity, (obj, args) =>
{
if (args.isError == true)
{
MessageBox.Show(string.Format("APP Pay Error: {0}", args.error));
}
else
{
//如果没有返回错误，代表支付成功，那么这里直接去查询订单状态
//一定要以具体查询的结果为准，不要以APP的返回状态为准
//https://pay.weixin.qq.com/wiki/doc/api/app/app.php?chapter=9_2
Toast("支付成功!");
}
});
}
else
{
throw new Exception("WeXinPayAPIResponseError " + resultEntity.err_code + "/" + resultEntity.err_code_des);
}
}
else
{
throw new Exception("WeXinPayAPIResponseError " + resultEntity.return_msg);
}
}
/// <summary>
/// https://pay.weixin.qq.com/wiki/doc/api/app/app.php?chapter=9_1
/// 调起支付时，需要先调用微信接口生成预付单，获取到prepay_id后将参数再次签名传输给APP发起支付
/// </summary>
private WeXinPayAPIResponseEntity UnifiedOrder()
{
HttpWebRequest myHttpWebRequest = (HttpWebRequest)HttpWebRequest.Create(unifieOrderUrl);
myHttpWebRequest.Method = "POST";
myHttpWebRequest.ContentType = "application/x-www-form-urlencoded;charset=utf-8";
SortedDictionary <string, string> payDict = new SortedDictionary <string, string>();
payDict.Add("appid", appid); //应用ID
payDict.Add("mch_id", mch_id); //商户号
payDict.Add("device_info", this.Client.DeviceID); //设备号
payDict.Add("nonce_str", System.Guid.NewGuid().ToString("N")); //随机字符串
payDict.Add("body", "请支持0.01元"); //商品描述
payDict.Add("out_trade_no", out_trade_no); //外部订单编号
payDict.Add("total_fee", "1"); //金额，单位是分，100代表为1元
payDict.Add("spbill_create_ip", this.Client.IPEndPoint.Address.ToString()); //获取客户端的IP地址
payDict.Add("notify_url", "http://www.weixin.qq.com/wxpay/pay.php"); //由于notify_url为必须的字段，如果有通知地址就填写一个，如果没有的话，可随意填写一个
payDict.Add("trade_type", "APP"); //这里固定为APP
string payXmlStr = CreateRequestXML(payDict);
byte[] encodedBytes = Encoding.UTF8.GetBytes(payXmlStr);
myHttpWebRequest.ContentLength = encodedBytes.Length;
Stream requestStream = myHttpWebRequest.GetRequestStream();
requestStream.Write(encodedBytes, 0, encodedBytes.Length);
requestStream.Close();
//获取结果
HttpWebResponse result = (HttpWebResponse)myHttpWebRequest.GetResponse();
string resultStr = "";
if (result.StatusCode == HttpStatusCode.OK)
{
using (Stream mystream = result.GetResponseStream())
{
using (StreamReader reader = new StreamReader(mystream))
{
resultStr = reader.ReadToEnd();
}
}
}
return(WeXinPayAPIResponseEntity.Create(resultStr));
}
