微信企业付款开发 C#
一、第一步：需要准备的东东
<add key="sAppID" value="wxf2303b260*******"/> // 开发者应用ID ，如图一
<add key="sAppSecret" value="5b83018b0b69c4231c14a2a25*******"/> //开发者应用密钥，如图一
<add key="sPartnerKey" value="E07D38C4EC0C9B42BF808633*******"/> //商户秘钥 如图二
<add key="sPartner" value="**********"/> // 商户号 申请微信支付通过后，收到的邮件里面有， 10位的商户号
(图一)，登录地址：https://mp.weixin.qq.com/
（图二，你自己设置的32位秘钥），登录地址：https://pay.weixin.qq.com/index.php/home/login?return_url=%2F
二、第二步：安装证书，windows下面选择.p12格式的证书；取证书时一定得用 绝对路径（如：D:\wwwroot\BusinessCard\weixin\businesscard\cert\apiclient_cert.p12）
证书pkcs12格式 (apiclient_cert.p12)
三、第三步：帐户里面必须有钱，如下图
四、第四步：源码如下：
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Net;
using System.Net.Security;
using System.Security.Cryptography;
using System.Security.Cryptography.X509Certificates;
using System.Text;
using System.Web;
namespace BusinessCard.Web.Code
{
public class Class1
{
/// <summary>
/// 企业付款给个人，直接入帐到微信钱包中
/// </summary>
public static string TENPAY = "1";
public static string APPID = Vincent._WebConfig.GetAppSettingsString("sAppID"); //开发者应用ID
public static string PARTNER = Vincent._WebConfig.GetAppSettingsString("sPartner"); //商户号
public static string APPSECRET = Vincent._WebConfig.GetAppSettingsString("sAppSecret"); //开发者应用密钥
public static string PARTNER_KEY = Vincent._WebConfig.GetAppSettingsString("sPartnerKey"); //商户秘钥
public const string URL = "https://api.mch.weixin.qq.com/mmpaymkttransfers/promotion/transfers";
//服务器异步通知页面路径(流量卡)
public static string WebUrl = Vincent._WebConfig.GetAppSettingsString("WebUrl");
public static readonly string NOTIFY_URL_Card_Store = "http://" + WebUrl + "/weixinpay/WXPayNotify_URL.aspx";// ConfigurationManager.AppSettings["WXPayNotify_URL_CardStore"].ToString();
public static readonly string NOTIFY_URL_Card_User = "http://" + WebUrl + "/weixinpay/WXPayNotify_URL.aspx"; //ConfigurationManager.AppSettings["WXPayNotify_URL_CardUser"].ToString();
public static readonly string NOTIFY_URL_HB_Store = "http://" + WebUrl + "/weixinpay/WXPayNotify_URL.aspx";// ConfigurationManager.AppSettings["WXPayNotify_URL_CardStore"].ToString();
//=======【代理服务器设置】===================================
/* 默认IP和端口号分别为0.0.0.0和0，此时不开启代理（如有需要才设置）
*/
public const string PROXY_URL = "http://10.152.18.220:8080";
//=======【证书路径设置】=====================================
/* 证书路径,注意应该填写绝对路径（仅退款、撤销订单时需要）
*/
public const string SSLCERT_PATH = "weixin\\businesscard\\cert\\apiclient_cert.p12";
public static string SSLCERT_PASSWORD = PARTNER;
/// <summary>
/// 企业付款给个人
/// </summary>
/// <returns></returns>
public static string EnterprisePay(string Bill_No, string toOpenid, decimal Charge_Amt, string userName, string title)
{
//公众账号appid mch_appid 是 wx8888888888888888 String 微信分配的公众账号ID（企业号corpid即为此appId）
//商户号 mchid 是 1900000109 String(32) 微信支付分配的商户号
//设备号 device_info 否 013467007045764 String(32) 微信支付分配的终端设备号
//随机字符串 nonce_str 是 5K8264ILTKCH16CQ2502SI8ZNMTM67VS String(32) 随机字符串，不长于32位
//签名 sign 是 C380BEC2BFD727A4B6845133519F3AD6 String(32) 签名，详见签名算法
//商户订单号 partner_trade_no 是 10000098201411111234567890 String 商户订单号，需保持唯一性
//用户openid openid 是 oxTWIuGaIt6gTKsQRLau2M0yL16E String 商户appid下，某用户的openid
//校验用户姓名选项 check_name 是 OPTION_CHECK String NO_CHECK：不校验真实姓名
//FORCE_CHECK：强校验真实姓名（未实名认证的用户会校验失败，无法转账）
//OPTION_CHECK：针对已实名认证的用户才校验真实姓名（未实名认证用户不校验，可以转账成功）
//收款用户姓名 re_user_name 可选 马花花 String 收款用户真实姓名。
// 如果check_name设置为FORCE_CHECK或OPTION_CHECK，则必填用户真实姓名
//金额 amount 是 10099 int 企业付款金额，单位为分
//企业付款描述信息 desc 是 理赔 String 企业付款操作说明信息。必填。
//Ip地址 spbill_create_ip 是 192.168.0.1 String(32) 调用接口的机器Ip地址
Bill_No = PARTNER + getTimestamp() + Bill_No; //订单号组成 商户号 + 随机时间串 + 记录ID
//设置package订单参数
SortedDictionary<string, string> dic = new SortedDictionary<string, string>();
string total_fee = (Charge_Amt * 100).ToString("f0");
string wx_nonceStr = Guid.NewGuid().ToString().Replace("-", ""); //Interface_WxPay.getNoncestr();
dic.Add("mch_appid", APPID);
dic.Add("mchid", PARTNER);//财付通帐号商家
//dic.Add("device_info", "013467007045711");//可为空
dic.Add("nonce_str", wx_nonceStr);
dic.Add("partner_trade_no", Bill_No);
dic.Add("openid", toOpenid);
dic.Add("check_name", "NO_CHECK");
dic.Add("amount", total_fee);
dic.Add("desc", title);//商品描述
dic.Add("spbill_create_ip", "211.149.234.224"); //用户的公网ip，不是商户服务器IP
//生成签名
string get_sign = BuildRequest(dic, PARTNER_KEY);
Vincent._Log.SaveMessage("第一步 get_sign：" + get_sign);
string _req_data = "<xml>";
_req_data += "<mch_appid>" + APPID + "</mch_appid>";
_req_data += "<mchid>" + PARTNER + "</mchid>";
_req_data += "<nonce_str>" + wx_nonceStr + "</nonce_str>";
_req_data += "<partner_trade_no>" + Bill_No + "</partner_trade_no>";
_req_data += "<openid>" + toOpenid + "</openid>";
_req_data += "<check_name>NO_CHECK</check_name>";
_req_data += "<amount>" + total_fee + "</amount>";
_req_data += "<desc>" + title + "</desc>";
_req_data += "<spbill_create_ip>211.149.234.224</spbill_create_ip>";
_req_data += "<sign>" + get_sign + "</sign>";
_req_data += "</xml>";
Vincent._Log.SaveMessage("企业付款生成的xml：" + _req_data.Trim());
var result = HttpPost(URL, _req_data.Trim(), true, 300);
//var result = HttpPost(URL, _req_data, Encoding.UTF8);
Vincent._Log.SaveMessage("返回结果：" + result);
return result;
//ReturnValue retValue = StreamReaderUtils.StreamReader(URL, Encoding.UTF8.GetBytes(_req_data), System.Text.Encoding.UTF8, true);
//Vincent._Log.SaveMessage("返回结果：" + retValue.ErrorCode);
//return retValue.ErrorCode;
}
public static string getTimestamp()
{
TimeSpan ts = DateTime.UtcNow - new DateTime(1970, 1, 1, 0, 0, 0, 0);
return Convert.ToInt64(ts.TotalSeconds).ToString();
}
public static string BuildRequest(SortedDictionary<string, string> sParaTemp, string key)
{
//获取过滤后的数组
Dictionary<string, string> dicPara = new Dictionary<string, string>();
dicPara = FilterPara(sParaTemp);
//组合参数数组
string prestr = CreateLinkString(dicPara);
//拼接支付密钥
string stringSignTemp = prestr + "&key=" + key;
Vincent._Log.SaveMessage("生成签名的参数：" + stringSignTemp);
//获得加密结果
string myMd5Str = GetMD5(stringSignTemp.Trim());
//返回转换为大写的加密串
return myMd5Str.ToUpper();
}
/// <summary>
/// 除去数组中的空值和签名参数并以字母a到z的顺序排序
/// </summary>
/// <param name="dicArrayPre">过滤前的参数组</param>
/// <returns>过滤后的参数组</returns>
public static Dictionary<string, string> FilterPara(SortedDictionary<string, string> dicArrayPre)
{
Dictionary<string, string> dicArray = new Dictionary<string, string>();
foreach (KeyValuePair<string, string> temp in dicArrayPre)
{
if (temp.Key != "sign" && !string.IsNullOrEmpty(temp.Value))
{
dicArray.Add(temp.Key, temp.Value);
}
}
return dicArray;
}
//组合参数数组
public static string CreateLinkString(Dictionary<string, string> dicArray)
{
StringBuilder prestr = new StringBuilder();
foreach (KeyValuePair<string, string> temp in dicArray)
{
prestr.Append(temp.Key + "=" + temp.Value + "&");
}
int nLen = prestr.Length;
prestr.Remove(nLen - 1, 1);
return prestr.ToString();
}
//加密
public static string GetMD5(string pwd)
{
MD5 md5Hasher = MD5.Create();
byte[] data = md5Hasher.ComputeHash(Encoding.UTF8.GetBytes(pwd));
StringBuilder sBuilder = new StringBuilder();
for (int i = 0; i < data.Length; i++)
{
sBuilder.Append(data[i].ToString("x2"));
}
return sBuilder.ToString();
}
public static string HttpPost(string postUrl, string paramData, Encoding dataEncode)
{
string ret = string.Empty;
try
{
byte[] byteArray = dataEncode.GetBytes(paramData); //转化
HttpWebRequest webReq = (HttpWebRequest)WebRequest.Create(new Uri(postUrl));
webReq.Method = "POST";
webReq.ContentType = "application/x-www-form-urlencoded";
webReq.ContentLength = byteArray.Length;
Stream newStream = webReq.GetRequestStream();
newStream.Write(byteArray, 0, byteArray.Length);//写入参数
newStream.Close();
HttpWebResponse response = (HttpWebResponse)webReq.GetResponse();
StreamReader sr = new StreamReader(response.GetResponseStream(), Encoding.Default);
ret = sr.ReadToEnd();
sr.Close();
response.Close();
newStream.Close();
}
catch (Exception ex)
{
Vincent._Log.SaveMessage("Post提交异常：" + ex.Message);
}
return ret;
}
public static bool CheckValidationResult(object sender, X509Certificate certificate, X509Chain chain, SslPolicyErrors errors)
{
//直接确认，否则打不开
return true;
}
/// <summary>
/// post提交支付
/// </summary>
/// <param name="xml"></param>
/// <param name="url"></param>
/// <param name="isUseCert">是否使用证书</param>
/// <param name="timeout"></param>
/// <returns></returns>
public static string HttpPost(string url, string xml, bool isUseCert, int timeout)
{
System.GC.Collect();//垃圾回收，回收没有正常关闭的http连接
string result = "";//返回结果
HttpWebRequest request = null;
HttpWebResponse response = null;
Stream reqStream = null;
try
{
//设置最大连接数
ServicePointManager.DefaultConnectionLimit = 200;
//设置https验证方式
if (url.StartsWith("https", StringComparison.OrdinalIgnoreCase))
{
ServicePointManager.ServerCertificateValidationCallback =
new RemoteCertificateValidationCallback(CheckValidationResult);
}
/***************************************************************
* 下面设置HttpWebRequest的相关属性
* ************************************************************/
request = (HttpWebRequest)WebRequest.Create(url);
request.Method = "POST";
request.Timeout = timeout * 1000;
//设置代理服务器
//WebProxy proxy = new WebProxy(); //定义一个网关对象
//proxy.Address = new Uri(PROXY_URL); //网关服务器端口:端口
//request.Proxy = proxy;
//设置POST的数据类型和长度
request.ContentType = "text/xml";
byte[] data = System.Text.Encoding.UTF8.GetBytes(xml);
request.ContentLength = data.Length;
//是否使用证书
if (isUseCert)
{
string path = HttpContext.Current.Request.PhysicalApplicationPath;
//X509Certificate2 cert = new X509Certificate2(path + SSLCERT_PATH, SSLCERT_PASSWORD);
//将上面的改成
X509Certificate2 cert = new X509Certificate2(path + SSLCERT_PATH, SSLCERT_PASSWORD, X509KeyStorageFlags.PersistKeySet | X509KeyStorageFlags.MachineKeySet);//线上发布需要添加
request.ClientCertificates.Add(cert);
Vincent._Log.SaveMessage("证书路径：" + (path + SSLCERT_PATH));
//Vincent._Log.SaveMessage("WxPayApi:PostXml used cert");
}
//往服务器写入数据
reqStream = request.GetRequestStream();
reqStream.Write(data, 0, data.Length);
reqStream.Close();
//获取服务端返回
response = (HttpWebResponse)request.GetResponse();
//获取服务端返回数据
StreamReader sr = new StreamReader(response.GetResponseStream(), Encoding.UTF8);
result = sr.ReadToEnd().Trim();
sr.Close();
}
catch (System.Threading.ThreadAbortException e)
{
Vincent._Log.SaveMessage("HttpService:Thread - caught ThreadAbortException - resetting.");
Vincent._Log.SaveMessage("Exception message:" + e.Message);
System.Threading.Thread.ResetAbort();
}
catch (WebException e)
{
Vincent._Log.SaveMessage("HttpService" + e.ToString());
if (e.Status == WebExceptionStatus.ProtocolError)
{
Vincent._Log.SaveMessage("HttpService:StatusCode : " + ((HttpWebResponse)e.Response).StatusCode);
Vincent._Log.SaveMessage("HttpService:StatusDescription : " + ((HttpWebResponse)e.Response).StatusDescription);
}
throw new Exception(e.ToString());
}
catch (Exception e)
{
Vincent._Log.SaveMessage("HttpService" + e.ToString());
throw new Exception(e.ToString());
}
finally
{
//关闭连接和流
if (response != null)
{
response.Close();
}
if (request != null)
{
request.Abort();
}
}
return result;
}
/// <summary>
/// 处理http GET请求，返回数据
/// </summary>
/// <param name="url">请求的url地址</param>
/// <returns>http GET成功后返回的数据，失败抛WebException异常</returns>
public static string Get(string url)
{
System.GC.Collect();
string result = "";
HttpWebRequest request = null;
HttpWebResponse response = null;
//请求url以获取数据
try
{
//设置最大连接数
ServicePointManager.DefaultConnectionLimit = 200;
//设置https验证方式
if (url.StartsWith("https", StringComparison.OrdinalIgnoreCase))
{
ServicePointManager.ServerCertificateValidationCallback =
new RemoteCertificateValidationCallback(CheckValidationResult);
}
/***************************************************************
* 下面设置HttpWebRequest的相关属性
* ************************************************************/
request = (HttpWebRequest)WebRequest.Create(url);
request.Method = "GET";
//设置代理
WebProxy proxy = new WebProxy();
proxy.Address = new Uri(PROXY_URL);
request.Proxy = proxy;
//获取服务器返回
response = (HttpWebResponse)request.GetResponse();
//获取HTTP返回数据
StreamReader sr = new StreamReader(response.GetResponseStream(), Encoding.UTF8);
result = sr.ReadToEnd().Trim();
sr.Close();
}
catch (System.Threading.ThreadAbortException e)
{
Vincent._Log.SaveMessage("HttpService:Thread - caught ThreadAbortException - resetting.");
Vincent._Log.SaveMessage("Exception message: " + e.Message);
System.Threading.Thread.ResetAbort();
}
catch (WebException e)
{
Vincent._Log.SaveMessage("HttpService" + e.ToString());
if (e.Status == WebExceptionStatus.ProtocolError)
{
Vincent._Log.SaveMessage("HttpService:StatusCode : " + ((HttpWebResponse)e.Response).StatusCode);
Vincent._Log.SaveMessage("HttpService:StatusDescription : " + ((HttpWebResponse)e.Response).StatusDescription);
}
throw new Exception(e.ToString());
}
catch (Exception e)
{
Vincent._Log.SaveMessage("HttpService" + e.ToString());
throw new Exception(e.ToString());
}
finally
{
//关闭连接和流
if (response != null)
{
response.Close();
}
if (request != null)
{
request.Abort();
}
}
return result;
}
}
}
