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最详细的ASP.NET微信JS-SDK支付代码

来源:中文源码网    浏览: 次    日期:2018年9月2日
【下载技术文档:  最详细的ASP.NET微信JS-SDK支付代码 】


最详细的ASP.NET微信JS-SDK支付代码 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" %>










商品描述:
商品价格:
订单号:




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("http://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
///

///
///
///
public void GetAuthUrl(string appid, string redirect_url)
{
Response.Redirect(string.Format("http://open.weixin.qq.com/connect/oauth2/authorize?appid={0}&redirect_uri={1}&response_type=code&scope=snsapi_base&state=123#wechat_redirect", appid, Utils.UrlEncode(redirect_url)));
}
}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("http://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("http://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
///

///
///
public static bool IsNumeric(object expression)
{
if (expression != null)
return IsNumeric(expression.ToString()); return false; } ///
/// 判断对象是否为Int32类型的数字
///

///
///
public static bool IsNumeric(string expression)
{
if (expression != null)
{
string str = expression;
if (str.Length > 0 && str.Length <= 11 && Regex.IsMatch(str, @"^[-]?[0-9]*[.]?[0-9]*$"))
{
if ((str.Length < 10) || (str.Length == 10 && str[0] == '1') || (str.Length == 11 && str[0] == '-' && str[1] == '1'))
return true;
}
}
return false;
} ///
/// 是否为Double类型
///

///
///
public static bool IsDouble(object expression)
{
if (expression != null)
return Regex.IsMatch(expression.ToString(), @"^([0-9])[0-9]*(\.\w*)?$"); return false;
} ///
/// 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
///

///
///
public static bool IsEmail(string expression)
{
return Regex.IsMatch(expression, @"^([\w-\.]+)@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.)|(([\w-]+\.)+))([a-zA-Z]{2,4}|[0-9]{1,3})(\]?)$");
} ///
/// 判断是否手机
///

///
///
public static bool IsMobile(string expression)
{
return Regex.IsMatch(expression, @"^1[3|4|5|6|7|8|9][0-9]{9}$");
} public static bool IsPhone(string telphone)
{
Regex regex = new Regex(@"^(\d{3,4}-)?\d{6,8}$");
return regex.IsMatch(telphone);
}
#endregion #region 分割字符串
///
/// 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
///

///
public static string[] SplitString(string strContent, string strSplit, int count)
{
string[] result = new string[count];
string[] splited = SplitString(strContent, strSplit); for (int i = 0; i < count; i++)
{
if (i < splited.Length)
result[i] = splited[i];
else
result[i] = string.Empty;
} return result;
}
#endregion #region 删除最后结尾的一个逗号
///
/// 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
///
public static string StringOfChar(int strLong, string str)
{
string ReturnStr = "";
for (int i = 0; i < strLong; i++)
{
ReturnStr += str;
} return ReturnStr;
}
#endregion #region 生成日期随机码
///
/// 生成日期随机码
///

///
public static string GetRamCode()
{
#region
return DateTime.Now.ToString("yyyyMMddHHmmssffff");
#endregion
}
#endregion #region 生成随机字母或数字
///
/// 生成随机数字
///

/// 生成长度
///
public static string Number(int Length)
{
return Number(Length, false);
} ///
/// 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
///
public static string Number(int Length, bool Sleep)
{
if (Sleep)
System.Threading.Thread.Sleep(3);
string result = "";
System.Random random = new Random();
for (int i = 0; i < Length; i++)
{
result += random.Next(10).ToString();
}
return result;
}
///
/// 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
///

///
public static string GetOrderNumber()
{
string num = DateTime.Now.ToString("yyMMddHHmmss");//yyyyMMddHHmmssms
return num + Number(2).ToString();
}
private static int Next(int numSeeds, int length)
{
byte[] buffer = new byte[length];
System.Security.Cryptography.RNGCryptoServiceProvider Gen = new System.Security.Cryptography.RNGCryptoServiceProvider();
Gen.GetBytes(buffer);
uint randomResult = 0x0;//这里用uint作为生成的随机数
for (int i = 0; i < length; i++)
{
randomResult |= ((uint)buffer[i] << ((length - 1 - i) * 8));
}
return (int)(randomResult % numSeeds);
}
#endregion #region 截取字符长度
///
/// 截取字符长度
///

/// 字符
/// 长度
///
public static string CutString(string inputString, int len)
{
if (string.IsNullOrEmpty(inputString))
return "";
inputString = DropHTML(inputString);
ASCIIEncoding ascii = new ASCIIEncoding();
int tempLen = 0;
string tempString = "";
byte[] s = ascii.GetBytes(inputString);
for (int i = 0; i < s.Length; i++)
{
if ((int)s[i] == 63)
{
tempLen += 2;
}
else
{
tempLen += 1;
} try
{
tempString += inputString.Substring(i, 1);
}
catch
{
break;
} if (tempLen > len)
break;
}
//如果截过则加上半个省略号
byte[] mybyte = System.Text.Encoding.Default.GetBytes(inputString);
if (mybyte.Length > len)
tempString += "…";
return tempString;
}
#endregion #region 清除HTML标记
public static string DropHTML(string Htmlstring)
{
if (string.IsNullOrEmpty(Htmlstring)) return "";
//删除脚本
Htmlstring = Regex.Replace(Htmlstring, @"]*?>.*?", "", 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, @"