本文实例为大家分享了微信JS SDK支付的具体代码，供大家参考，具体内容如下
模型层实体类:
public class JsEntities
{
///
/// 公众号id
///
public string appId { get; set; }
///
/// 时间戳
///
public string timeStamp { get; set; }
///
/// 随机字符串
///
public string nonceStr { get; set; }
///
/// 订单详情扩展字符串
///
public string package { get; set; }
///
/// 签名类型
///
public string signType { get; set; }
///
/// 签名
///
public string paySign { get; set; }
}
public class UnifyEntities
{
///
/// 公众账号ID
///
public string appid { get; set; }
///
/// 微信支付分配的商户号
///
public string mch_id { get; set; }
///
/// 微信支付分配的终端设备号
///
public string device_info { get; set; }
///
/// 随机字符串，不长于32位
///
public string nonce_str { get; set; }
///
/// 签名
///
public string sign { get; set; }
///
/// 商品描述最大长度127
///
public string body { get; set; }
///
/// 附加数据，原样返回
///
public string attach { get; set; }
///
/// 商户系统内部的订单号,32 个字符内、可包含字母,确保在商户系统唯一,详细说明
///
public string out_trade_no { get; set; }
///
/// 订单总金额，单位为分，不能带小数点
///
public string total_fee { get; set; }
///
/// 终端IP
///
public string spbill_create_ip { get; set; }
///
/// 交易起始时间
///
public string time_start { get; set; }
///
/// 交易结束时间
///
public string time_expire { get; set; }
///
/// 接收微信支付成功通知
///
public string notify_url { get; set; }
///
/// JSAPI、NATIVE、APP
///
public string trade_type { get; set; }
///
/// 用户在商户appid下的唯一标识，trade_type为JSAPI 时，此参数必传
///
public string openid { get; set; }
///
/// 只在 trade_type 为 NATIVE 时需要填写。此id为二维码中包含的商品ID，商户自行维护。
///
public string product_id { get; set; }
}
public class UnifyReceive
{
///
/// SUCCESS/FAIL此字段是通信标识，非交易标识，交易是否成功需要查看result_code来判断
///
public string return_code { get; set; }
///
/// 返回信息，如非空，为错误原因
///
public string return_msg { get; set; }
///
/// 微信分配的公众账号ID
///
public string appid { get; set; }
///
/// 微信支付分配的商户号
///
public string mch_id { get; set; }
///
/// 随机字符串，不长于32位
///
public string nonce_str { get; set; }
///
/// 签名
///
public string sign { get; set; }
///
/// 业务结果
///
public string result_code { get; set; }
///
/// 预支付ID
///
public string prepay_id { get; set; }
///
/// 交易类型
///
public string trade_type { get; set; }
///
/// 二维码链接
///
public string code_url { get; set; }
public UnifyReceive(string xml)
{
XElement doc = XElement.Parse(xml);
return_code = doc.Element("return_code").Value;
return_msg = doc.Element("return_msg").Value;
if (return_code == "SUCCESS")
{
appid = doc.Element("appid").Value;
mch_id = doc.Element("mch_id").Value;
nonce_str = doc.Element("nonce_str").Value;
sign = doc.Element("sign").Value;
result_code = doc.Element("result_code").Value;
if (result_code == "SUCCESS")
{
trade_type = doc.Element("trade_type").Value;
prepay_id = doc.Element("prepay_id").Value;
if (trade_type == "NATIVE")
{
code_url = doc.Element("code_url").Value;
}
trade_type = doc.Element("trade_type").Value;
}
}
}
}
TestJs.aspx内容:
<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="JsPay.aspx.cs" Inherits="WeChatPayDemo.JsPay" %>
JsPay.aspx.cs代码:
public partial class JsPay : System.Web.UI.Page
{
public string openid = "";
protected void Page_Load(object sender, EventArgs e)
{
string code = Request["code"];
if (string.IsNullOrEmpty(code))
{
//如果code没获取成功，重新拉取一遍
GetAuthUrl("wxxxxxxxxxxxxxxxxxxxxxxx", "http://www.china101.net/JsPay.aspx");
}
openid = GetOpenID("wxxxxxxxxxxxxxxxxxxxxxxx", "dsdssdsdsdsdsdsdsdsdsd", JKRequest.GetQueryString("code"), () => { });
}
public string GetOpenID(string appid, string secret, string code, Action CallBack)
{
try
{
string retdata = Utils.HttpGet(string.Format("https://api.weixin.qq.com/sns/oauth2/access_token?appid={0}&secret={1}&code={2}&grant_type=authorization_code", appid, secret, code));
.LogHelper.WriteFile(retdata);
JObject jobj = (JObject)JsonConvert.DeserializeObject(retdata);
string openid = jobj.Value("openid");
return openid;
}
catch (Exception)
{
CallBack();
return "";
}
// return GetUserInfo(access_token, openid);
}
///
/// 获取鉴权地址
///
///
///
///
WxPay.ashx代码:
////// WxPay 的摘要说明 /// public class WxPay : IHttpHandler { ////// 公众账号ID /// private string appid = "wxxxxxxxxxxxxxxxx"; ////// 商户号 /// private string mch_id = "12333333333"; ////// 通知url /// private string notify_url = "http://www.china101.net/Notify2.aspx"; ////// 密钥 /// private string key = "chinapagexxxxxxxxxxxxx"; public void ProcessRequest(HttpContext context) { string action = JKRequest.GetQueryString("action"); switch (action) { case "unifysign": GetUnifySign(context); break; case "jspayparam": GetJsPayParam(context); break; case "nativedynamic": GetPayQr(context); break; } } #region 获取js支付参数 void GetJsPayParam(HttpContext context) { JsEntities jsEntities = new JsEntities() { appId = appid, nonceStr = .Utils.GetRandom(), package = string.Format("prepay_id={0}", GetPrepayId(context)), signType = "MD5", timeStamp = .Utils.ConvertDateTimeInt(DateTime.Now).ToString() }; string url, sign; string xmlStr = .Utils.GetUnifyRequestXml(jsEntities, key, out url, out sign); LogHelper.WriteFile(xmlStr); jsEntities.paySign = sign; context.Response.Write(JsonConvert.SerializeObject(jsEntities)); } #endregion #region 获取预支付ID //-------------------------------------------------------------------------- string GetPrepayId(HttpContext context) { string xml; GetUnifySign(context, out xml); LogHelper.WriteFile("GetPrepayId---71--" + xml); UnifyReceive unifyReceive = new UnifyReceive(.Utils.HttpPost("https://api.mch.weixin.qq.com/pay/unifiedorder", xml)); LogHelper.WriteFile("unifyReceive---73--" + unifyReceive.prepay_id); return unifyReceive.prepay_id; } #endregion #region 获取统一签名 void GetUnifySign(HttpContext context) { string xml; context.Response.Write(GetUnifySign(context, out xml)); } #endregion #region 获取统一签名 string GetUnifySign(HttpContext context, out string xml) { string url, sign; xml = WxPayHelper.Utils.GetUnifyUrlXml (GetUnifyEntities(context), key, out url, out sign); return sign; } #endregion #region 获取二维码 void GetPayQr(HttpContext context) { string url = GetPayUrl(context); WxPayHelper.Utils.GetQrCode(url); } #endregion #region 获取二维码链接 string GetPayUrl(HttpContext context) { string xml; GetUnifySign(context, out xml); WxPayHelper.Utils.WriteTxt(xml); UnifyReceive unifyReceive = new UnifyReceive(WxPayHelper.Utils.HttpPost("https://api.mch.weixin.qq.com/pay/unifiedorder", xml)); return unifyReceive.code_url; } #endregion #region 获取统一支付接口参数对象 UnifyEntities GetUnifyEntities(HttpContext context) { string msgid = JKRequest.GetQueryString("msgid"); LogHelper.WriteFile("115---------"+msgid); UnifyEntities unify = new UnifyEntities { appid = appid, body = JKRequest.GetQueryString("body"), mch_id = mch_id, nonce_str = WxPayHelper.Utils.GetRandom(), out_trade_no = JKRequest.GetQueryString("out_trade_no"), notify_url = notify_url, spbill_create_ip = JKRequest.GetIP(), trade_type = JKRequest.GetQueryString("trade_type"), total_fee = JKRequest.GetQueryString("total_fee") }; if (unify.trade_type == "NATIVE") { unify.product_id = msgid; } else { unify.openid = msgid; } return unify; } #endregion public bool IsReusable { get { return false; } } }
Utils.cs代码:
public class Utils
{
#region MD5加密
public static string MD5(string pwd)
{
MD5 md5 = new MD5CryptoServiceProvider();
byte[] data = System.Text.Encoding.Default.GetBytes(pwd);
byte[] md5data = md5.ComputeHash(data);
md5.Clear();
string str = "";
for (int i = 0; i < md5data.Length; i++)
{
str += md5data[i].ToString("x").PadLeft(2, '0');
}
return str;
}
///
/// 获取文件的md5
///
/// 文件路径，url路径
/// md5字符串
string GetMD5HashFromFile(string filepath)
{
try
{
WebClient wc = new WebClient();
var file = wc.OpenRead(new Uri(filepath));
System.Security.Cryptography.MD5 md5 = new System.Security.Cryptography.MD5CryptoServiceProvider();
byte[] retVal = md5.ComputeHash(file);
file.Close();
StringBuilder sb = new StringBuilder();
for (int i = 0; i < retVal.Length; i++)
{
sb.Append(retVal[i].ToString("x2"));
}
return sb.ToString();
}
catch (Exception ex)
{
throw new Exception("GetMD5HashFromFile() fail,error:" + ex.Message);
}
}
#endregion
#region 对象转换处理
///
/// 判断对象是否为Int32类型的数字
///
///
///
/// 判断对象是否为Int32类型的数字
///
///
///
/// 是否为Double类型
///
///
///
/// 检测是否符合email格式
///
/// 要判断的email字符串
/// 判断结果
public static bool IsValidEmail(string strEmail)
{
return Regex.IsMatch(strEmail, @"^[\w\.]+([-]\w+)*@[A-Za-z0-9-_]+[\.][A-Za-z0-9-_]");
}
public static bool IsValidDoEmail(string strEmail)
{
return Regex.IsMatch(strEmail, @"^@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.)|(([\w-]+\.)+))([a-zA-Z]{2,4}|[0-9]{1,3})(\]?)$");
}
///
/// 检测是否是正确的Url
///
/// 要验证的Url
/// 判断结果
public static bool IsURL(string strUrl)
{
return Regex.IsMatch(strUrl, @"^(http|https)\://([a-zA-Z0-9\.\-]+(\:[a-zA-Z0-9\.&%\$\-]+)*@)*((25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[1-9])\.(25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[1-9]|0)\.(25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[1-9]|0)\.(25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[0-9])|localhost|([a-zA-Z0-9\-]+\.)*[a-zA-Z0-9\-]+\.(com|edu|gov|int|mil|net|org|biz|arpa|info|name|pro|aero|coop|museum|[a-zA-Z]{1,10}))(\:[0-9]+)*(/($|[a-zA-Z0-9\.\,\?\'\\\+&%\$#\=~_\-]+))*$");
}
///
/// 将字符串转换为数组
///
/// 字符串
/// 字符串数组
public static string[] GetStrArray(string str)
{
return str.Split(new char[',']);
}
///
/// 将数组转换为字符串
///
/// List
/// 分隔符
/// String
public static string GetArrayStr(List list, string speater)
{
StringBuilder sb = new StringBuilder();
for (int i = 0; i < list.Count; i++)
{
if (i == list.Count - 1)
{
sb.Append(list[i]);
}
else
{
sb.Append(list[i]);
sb.Append(speater);
}
}
return sb.ToString();
}
///
/// object型转换为bool型
///
/// 要转换的字符串
/// 缺省值
/// 转换后的bool类型结果
public static bool StrToBool(object expression, bool defValue)
{
if (expression != null)
return StrToBool(expression, defValue);
return defValue;
}
///
/// string型转换为bool型
///
/// 要转换的字符串
/// 缺省值
/// 转换后的bool类型结果
public static bool StrToBool(string expression, bool defValue)
{
if (expression != null)
{
if (string.Compare(expression, "true", true) == 0)
return true;
else if (string.Compare(expression, "false", true) == 0)
return false;
}
return defValue;
}
///
/// 将对象转换为Int32类型
///
/// 要转换的字符串
/// 缺省值
/// 转换后的int类型结果
public static int ObjToInt(object expression, int defValue)
{
if (expression != null)
return StrToInt(expression.ToString(), defValue);
return defValue;
}
///
/// 将字符串转换为Int32类型
///
/// 要转换的字符串
/// 缺省值
/// 转换后的int类型结果
public static int StrToInt(string expression, int defValue)
{
if (string.IsNullOrEmpty(expression) || expression.Trim().Length >= 11 || !Regex.IsMatch(expression.Trim(), @"^([-]|[0-9])[0-9]*(\.\w*)?$"))
return defValue;
int rv;
if (Int32.TryParse(expression, out rv))
return rv;
return Convert.ToInt32(StrToFloat(expression, defValue));
}
///
/// Object型转换为decimal型
///
/// 要转换的字符串
/// 缺省值
/// 转换后的decimal类型结果
public static decimal ObjToDecimal(object expression, decimal defValue)
{
if (expression != null)
return StrToDecimal(expression.ToString(), defValue);
return defValue;
}
///
/// string型转换为decimal型
///
/// 要转换的字符串
/// 缺省值
/// 转换后的decimal类型结果
public static decimal StrToDecimal(string expression, decimal defValue)
{
if ((expression == null) || (expression.Length > 10))
return defValue;
decimal intValue = defValue;
if (expression != null)
{
bool IsDecimal = Regex.IsMatch(expression, @"^([-]|[0-9])[0-9]*(\.\w*)?$");
if (IsDecimal)
decimal.TryParse(expression, out intValue);
}
return intValue;
}
///
/// Object型转换为float型
///
/// 要转换的字符串
/// 缺省值
/// 转换后的int类型结果
public static float ObjToFloat(object expression, float defValue)
{
if (expression != null)
return StrToFloat(expression.ToString(), defValue);
return defValue;
}
///
/// string型转换为float型
///
/// 要转换的字符串
/// 缺省值
/// 转换后的int类型结果
public static float StrToFloat(string expression, float defValue)
{
if ((expression == null) || (expression.Length > 10))
return defValue;
float intValue = defValue;
if (expression != null)
{
bool IsFloat = Regex.IsMatch(expression, @"^([-]|[0-9])[0-9]*(\.\w*)?$");
if (IsFloat)
float.TryParse(expression, out intValue);
}
return intValue;
}
///
/// 将对象转换为日期时间类型
///
/// 要转换的字符串
/// 缺省值
/// 转换后的int类型结果
public static DateTime StrToDateTime(string str, DateTime defValue)
{
if (!string.IsNullOrEmpty(str))
{
DateTime dateTime;
if (DateTime.TryParse(str, out dateTime))
return dateTime;
}
return defValue;
}
///
/// 将对象转换为日期时间类型
///
/// 要转换的字符串
/// 转换后的int类型结果
public static DateTime StrToDateTime(string str)
{
return StrToDateTime(str, DateTime.Now);
}
///
/// 将对象转换为日期时间类型
///
/// 要转换的对象
/// 转换后的int类型结果
public static DateTime ObjectToDateTime(object obj)
{
return StrToDateTime(obj.ToString());
}
///
/// 将对象转换为日期时间类型
///
/// 要转换的对象
/// 缺省值
/// 转换后的int类型结果
public static DateTime ObjectToDateTime(object obj, DateTime defValue)
{
return StrToDateTime(obj.ToString(), defValue);
}
///
/// 将对象转换为字符串
///
/// 要转换的对象
/// 转换后的string类型结果
public static string ObjectToStr(object obj)
{
if (obj == null)
return "";
return obj.ToString().Trim();
}
///
/// 判断是否邮箱
///
///
///
/// 判断是否手机
///
///
///
/// 分割字符串
///
public static string[] SplitString(string strContent, string strSplit)
{
if (!string.IsNullOrEmpty(strContent))
{
if (strContent.IndexOf(strSplit) < 0)
return new string[] { strContent };
return Regex.Split(strContent, Regex.Escape(strSplit), RegexOptions.IgnoreCase);
}
else
return new string[0] { };
}
///
/// 分割字符串
///
///
/// 删除最后结尾的一个逗号
///
public static string DelLastComma(string str)
{
if (str.Length < 1)
{
return "";
}
return str.Substring(0, str.LastIndexOf(","));
}
#endregion
#region 删除最后结尾的指定字符后的字符
///
/// 删除最后结尾的指定字符后的字符
///
public static string DelLastChar(string str, string strchar)
{
if (string.IsNullOrEmpty(str))
return "";
if (str.LastIndexOf(strchar) >= 0 && str.LastIndexOf(strchar) == str.Length - 1)
{
return str.Substring(0, str.LastIndexOf(strchar));
}
return str;
}
#endregion
#region 生成指定长度的字符串
///
/// 生成指定长度的字符串,即生成strLong个str字符串
///
/// 生成的长度
/// 以str生成字符串
///
/// 生成日期随机码
///
///
/// 生成随机数字
///
/// 生成长度
///
/// 生成随机数字
///
/// 生成长度
/// 是否要在生成前将当前线程阻止以避免重复
///
/// 生成随机字母字符串(数字字母混和)
///
/// 待生成的位数
public static string GetCheckCode(int codeCount)
{
string str = string.Empty;
int rep = 0;
long num2 = DateTime.Now.Ticks + rep;
rep++;
Random random = new Random(((int)(((ulong)num2) & 0xffffffffL)) | ((int)(num2 >> rep)));
for (int i = 0; i < codeCount; i++)
{
char ch;
int num = random.Next();
if ((num % 2) == 0)
{
ch = (char)(0x30 + ((ushort)(num % 10)));
}
else
{
ch = (char)(0x41 + ((ushort)(num % 0x1a)));
}
str = str + ch.ToString();
}
return str;
}
///
/// 根据日期和随机码生成订单号
///
///
/// 截取字符长度
///
/// 字符
/// 长度
/// ]*?>.*?", "", RegexOptions.IgnoreCase);
//删除HTML
Htmlstring = Regex.Replace(Htmlstring, @"<(.[^>]*)>", "", RegexOptions.IgnoreCase);
Htmlstring = Regex.Replace(Htmlstring, @"([\r\n])[\s]+", "", RegexOptions.IgnoreCase);
Htmlstring = Regex.Replace(Htmlstring, @"-->", "", RegexOptions.IgnoreCase);
Htmlstring = Regex.Replace(Htmlstring, @"