前台MD5加密代码
/*
* A JavaScript implementation of the RSA Data Security, Inc. MD5 Message
* Digest Algorithm, as defined in RFC 1321.
* Version 2.1 Copyright (C) Paul Johnston 1999 - 2002.
* Other contributors: Greg Holt, Andrew Kepert, Ydnar, Lostinet
* Distributed under the BSD License
* See http://pajhome.org.uk/crypt/md5 for more info.
*//*
* Configurable variables. You may need to tweak these to be compatible with
* the server-side, but the defaults work in most cases.
*/
var hexcase = 0; /* hex output format. 0 - lowercase; 1 - uppercase */
var b64pad = ""; /* base-64 pad character. "=" for strict RFC compliance */
var chrsz = 8; /* bits per input character. 8 - ASCII; 16 - Unicode *//*
* These are the functions you'll usually want to call
* They take string arguments and return either hex or base-64 encoded strings
*/
function hex_md5(s){ return binl2hex(core_md5(str2binl(s), s.length * chrsz));}
function b64_md5(s){ return binl2b64(core_md5(str2binl(s), s.length * chrsz));}
function str_md5(s){ return binl2str(core_md5(str2binl(s), s.length * chrsz));}
function hex_hmac_md5(key, data) { return binl2hex(core_hmac_md5(key, data)); }
function b64_hmac_md5(key, data) { return binl2b64(core_hmac_md5(key, data)); }
function str_hmac_md5(key, data) { return binl2str(core_hmac_md5(key, data)); }/*
* Perform a simple self-test to see if the VM is working
*/
function md5_vm_test()
{
return hex_md5("abc") == "900150983cd24fb0d6963f7d28e17f72";
}/*
* Calculate the MD5 of an array of little-endian words, and a bit length
*/
function core_md5(x, len)
{
/* append padding */
x[len >> 5] |= 0x80 << ((len) % 32);
x[(((len + 64) >>> 9) << 4) + 14] = len; var a = 1732584193;
var b = -271733879;
var c = -1732584194;
var d = 271733878; for(var i = 0; i < x.length; i += 16)
{
var olda = a;
var oldb = b;
var oldc = c;
var oldd = d; a = md5_ff(a, b, c, d, x[i+ 0], 7 , -680876936);
d = md5_ff(d, a, b, c, x[i+ 1], 12, -389564586);
c = md5_ff(c, d, a, b, x[i+ 2], 17, 606105819);
b = md5_ff(b, c, d, a, x[i+ 3], 22, -1044525330);
a = md5_ff(a, b, c, d, x[i+ 4], 7 , -176418897);
d = md5_ff(d, a, b, c, x[i+ 5], 12, 1200080426);
c = md5_ff(c, d, a, b, x[i+ 6], 17, -1473231341);
b = md5_ff(b, c, d, a, x[i+ 7], 22, -45705983);
a = md5_ff(a, b, c, d, x[i+ 8], 7 , 1770035416);
d = md5_ff(d, a, b, c, x[i+ 9], 12, -1958414417);
c = md5_ff(c, d, a, b, x[i+10], 17, -42063);
b = md5_ff(b, c, d, a, x[i+11], 22, -1990404162);
a = md5_ff(a, b, c, d, x[i+12], 7 , 1804603682);
d = md5_ff(d, a, b, c, x[i+13], 12, -40341101);
c = md5_ff(c, d, a, b, x[i+14], 17, -1502002290);
b = md5_ff(b, c, d, a, x[i+15], 22, 1236535329); a = md5_gg(a, b, c, d, x[i+ 1], 5 , -165796510);
d = md5_gg(d, a, b, c, x[i+ 6], 9 , -1069501632);
c = md5_gg(c, d, a, b, x[i+11], 14, 643717713);
b = md5_gg(b, c, d, a, x[i+ 0], 20, -373897302);
a = md5_gg(a, b, c, d, x[i+ 5], 5 , -701558691);
d = md5_gg(d, a, b, c, x[i+10], 9 , 38016083);
c = md5_gg(c, d, a, b, x[i+15], 14, -660478335);
b = md5_gg(b, c, d, a, x[i+ 4], 20, -405537848);
a = md5_gg(a, b, c, d, x[i+ 9], 5 , 568446438);
d = md5_gg(d, a, b, c, x[i+14], 9 , -1019803690);
c = md5_gg(c, d, a, b, x[i+ 3], 14, -187363961);
b = md5_gg(b, c, d, a, x[i+ 8], 20, 1163531501);
a = md5_gg(a, b, c, d, x[i+13], 5 , -1444681467);
d = md5_gg(d, a, b, c, x[i+ 2], 9 , -51403784);
c = md5_gg(c, d, a, b, x[i+ 7], 14, 1735328473);
b = md5_gg(b, c, d, a, x[i+12], 20, -1926607734); a = md5_hh(a, b, c, d, x[i+ 5], 4 , -378558);
d = md5_hh(d, a, b, c, x[i+ 8], 11, -2022574463);
c = md5_hh(c, d, a, b, x[i+11], 16, 1839030562);
b = md5_hh(b, c, d, a, x[i+14], 23, -35309556);
a = md5_hh(a, b, c, d, x[i+ 1], 4 , -1530992060);
d = md5_hh(d, a, b, c, x[i+ 4], 11, 1272893353);
c = md5_hh(c, d, a, b, x[i+ 7], 16, -155497632);
b = md5_hh(b, c, d, a, x[i+10], 23, -1094730640);
a = md5_hh(a, b, c, d, x[i+13], 4 , 681279174);
d = md5_hh(d, a, b, c, x[i+ 0], 11, -358537222);
c = md5_hh(c, d, a, b, x[i+ 3], 16, -722521979);
b = md5_hh(b, c, d, a, x[i+ 6], 23, 76029189);
a = md5_hh(a, b, c, d, x[i+ 9], 4 , -640364487);
d = md5_hh(d, a, b, c, x[i+12], 11, -421815835);
c = md5_hh(c, d, a, b, x[i+15], 16, 530742520);
b = md5_hh(b, c, d, a, x[i+ 2], 23, -995338651); a = md5_ii(a, b, c, d, x[i+ 0], 6 , -198630844);
d = md5_ii(d, a, b, c, x[i+ 7], 10, 1126891415);
c = md5_ii(c, d, a, b, x[i+14], 15, -1416354905);
b = md5_ii(b, c, d, a, x[i+ 5], 21, -57434055);
a = md5_ii(a, b, c, d, x[i+12], 6 , 1700485571);
d = md5_ii(d, a, b, c, x[i+ 3], 10, -1894986606);
c = md5_ii(c, d, a, b, x[i+10], 15, -1051523);
b = md5_ii(b, c, d, a, x[i+ 1], 21, -2054922799);
a = md5_ii(a, b, c, d, x[i+ 8], 6 , 1873313359);
d = md5_ii(d, a, b, c, x[i+15], 10, -30611744);
c = md5_ii(c, d, a, b, x[i+ 6], 15, -1560198380);
b = md5_ii(b, c, d, a, x[i+13], 21, 1309151649);
a = md5_ii(a, b, c, d, x[i+ 4], 6 , -145523070);
d = md5_ii(d, a, b, c, x[i+11], 10, -1120210379);
c = md5_ii(c, d, a, b, x[i+ 2], 15, 718787259);
b = md5_ii(b, c, d, a, x[i+ 9], 21, -343485551); a = safe_add(a, olda);
b = safe_add(b, oldb);
c = safe_add(c, oldc);
d = safe_add(d, oldd);
}
return Array(a, b, c, d);}/*
* These functions implement the four basic operations the algorithm uses.
*/
function md5_cmn(q, a, b, x, s, t)
{
return safe_add(bit_rol(safe_add(safe_add(a, q), safe_add(x, t)), s),b);
}
function md5_ff(a, b, c, d, x, s, t)
{
return md5_cmn((b & c) | ((~b) & d), a, b, x, s, t);
}
function md5_gg(a, b, c, d, x, s, t)
{
return md5_cmn((b & d) | (c & (~d)), a, b, x, s, t);
}
function md5_hh(a, b, c, d, x, s, t)
{
return md5_cmn(b ^ c ^ d, a, b, x, s, t);
}
function md5_ii(a, b, c, d, x, s, t)
{
return md5_cmn(c ^ (b | (~d)), a, b, x, s, t);
}/*
* Calculate the HMAC-MD5, of a key and some data
*/
function core_hmac_md5(key, data)
{
var bkey = str2binl(key);
if(bkey.length > 16) bkey = core_md5(bkey, key.length * chrsz); var ipad = Array(16), opad = Array(16);
for(var i = 0; i < 16; i++)
{
ipad[i] = bkey[i] ^ 0x36363636;
opad[i] = bkey[i] ^ 0x5C5C5C5C;
} var hash = core_md5(ipad.concat(str2binl(data)), 512 + data.length * chrsz);
return core_md5(opad.concat(hash), 512 + 128);
}/*
* Add integers, wrapping at 2^32. This uses 16-bit operations internally
* to work around bugs in some JS interpreters.
*/
function safe_add(x, y)
{
var lsw = (x & 0xFFFF) + (y & 0xFFFF);
var msw = (x >> 16) + (y >> 16) + (lsw >> 16);
return (msw << 16) | (lsw & 0xFFFF);
}/*
* Bitwise rotate a 32-bit number to the left.
*/
function bit_rol(num, cnt)
{
return (num << cnt) | (num >>> (32 - cnt));
}/*
* Convert a string to an array of little-endian words
* If chrsz is ASCII, characters >255 have their hi-byte silently ignored.
*/
function str2binl(str)
{
var bin = Array();
var mask = (1 << chrsz) - 1;
for(var i = 0; i < str.length * chrsz; i += chrsz)
bin[i>>5] |= (str.charCodeAt(i / chrsz) & mask) << (i%32);
return bin;
}/*
* Convert an array of little-endian words to a string
*/
function binl2str(bin)
{
var str = "";
var mask = (1 << chrsz) - 1;
for(var i = 0; i < bin.length * 32; i += chrsz)
str += String.fromCharCode((bin[i>>5] >>> (i % 32)) & mask);
return str;
}/*
* Convert an array of little-endian words to a hex string.
*/
function binl2hex(binarray)
{
var hex_tab = hexcase ? "0123456789ABCDEF" : "0123456789abcdef";
var str = "";
for(var i = 0; i < binarray.length * 4; i++)
{
str += hex_tab.charAt((binarray[i>>2] >> ((i%4)*8+4)) & 0xF) +
hex_tab.charAt((binarray[i>>2] >> ((i%4)*8 )) & 0xF);
}
return str;
}/*
* Convert an array of little-endian words to a base-64 string
*/
function binl2b64(binarray)
{
var tab = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
var str = "";
for(var i = 0; i < binarray.length * 4; i += 3)
{
var triplet = (((binarray[i >> 2] >> 8 * ( i %4)) & 0xFF) << 16)
| (((binarray[i+1 >> 2] >> 8 * ((i+1)%4)) & 0xFF) << 8 )
| ((binarray[i+2 >> 2] >> 8 * ((i+2)%4)) & 0xFF);
for(var j = 0; j < 4; j++)
{
if(i * 8 + j * 6 > binarray.length * 32) str += b64pad;
else str += tab.charAt((triplet >> 6*(3-j)) & 0x3F);
}
}
return str;
}module.exports = {
hex_md5: hex_md5
}
前端发起支付接口
/*
发起微信支付
*/
var md5 = require('md5.js')
function wxPay(data, CallBack) {
var appInstance = getApp()
var url = appInstance.globalData.apiurl
url += "Weixin/SendwxPay"
wx.request({
url: url,
data: data,
header: {
'content-type': 'application/json'
},
success: function (res) {
console.log('md5:' + md5.hex_md5("123456"))
console.log('appId:' + res.data.data.appId)
console.log('key:' + res.data.data.Key)
console.log('timeStamp:' + res.data.data.timeStamp)
console.log('nonceStr:' + res.data.data.nonceStr)
console.log('package:' + res.data.data.package)
console.log('paySign:' + res.data.data.paySign) var singValue = ""
singValue += "appId=" + res.data.data.appId
singValue += "&nonceStr=" + res.data.data.nonceStr
singValue += "&package=prepay_id=" + res.data.data.package
singValue += "&signType=MD5"
singValue += "&timeStamp=" + res.data.data.timeStamp
singValue += "&key=" + res.data.data.Key console.log(singValue)
var paySign = md5.hex_md5(singValue)
paySign = paySign.toUpperCase()
console.log(paySign)
wx.hideLoading()
wx.requestPayment({
'timeStamp': res.data.data.timeStamp,
'nonceStr': res.data.data.nonceStr,
'package': 'prepay_id=' + res.data.data.package,
'signType': 'MD5',
'paySign': paySign,
'success': function (res) {
CallBack(res)
},
'fail': function (res) {
CallBack(res)
}
})
}
})
}
1.预支付需要的付款实体类
public class PayModel
{ /// <summary>
/// 小程序appID
/// </summary>
public String appid { get; set; } /// <summary>
/// 商户号
/// </summary>
public String mch_id { get; set; } /// <summary>
/// 设备号
/// 终端设备号(门店号或收银设备ID)，注意：PC网页或公众号内支付请传"WEB
/// 示例值:013467007045764
/// </summary>
public String device_info { get; set; } /// <summary>
/// 随机字符串，不长于32位
/// 随机字符串算法地址:https://pay.weixin.qq.com/wiki/doc/api/wxa/wxa_api.php?chapter=4_3
/// </summary>
public String nonce_str { get; set; } /// <summary>
/// 签名
/// 生成签名算法地址:https://pay.weixin.qq.com/wiki/doc/api/wxa/wxa_api.php?chapter=4_3
/// </summary>
public String sign { get; set; } /// <summary>
/// 签名类型，目前支持HMAC-SHA256和MD5，默认为MD5
/// </summary>
public String sign_type { get; set; } /// <summary>
/// 商品描述
/// 例：腾讯-游戏
/// </summary>
public String body { get; set; } /// <summary>
/// 商品详情（不必填）
/// </summary>
public String detail { get; set; } /// <summary>
/// 附加数据
/// 附加数据，在查询API和支付通知中原样返回，该字段主要用于商户携带订单的自定义数据
/// </summary>
public String attach { get; set; } /// <summary>
/// 商户订单号
/// 商户支付的订单号由商户自定义生成，微信支付要求商户订单号保持唯一性（建议根据当前系统时间加随机序列来生成订单号）。
/// 重新发起一笔支付要使用原订单号，避免重复支付；已支付过或已调用关单、撤销（请见后文的API列表）的订单号不能重新发起支付。
/// </summary>
public String out_trade_no { get; set; } /// <summary>
/// 货币类型
/// 默认值：CNY
/// </summary>
public String fee_type { get; set; } /// <summary>
/// 付款金额
/// 默认值：(分)
/// </summary>
public Int32 total_fee { get; set; } /// <summary>
/// 终端IP
/// </summary>
public String spbill_create_ip { get; set; } /// <summary>
/// 交易起始时间
/// 订单生成时间，格式为yyyyMMddHHmmss，如2009年12月25日9点10分10秒表示为20091225091010
/// </summary>
public String time_start { get; set; } /// <summary>
/// 交易结束时间
/// 订单失效时间，格式为yyyyMMddHHmmss，如2009年12月27日9点10分10秒表示为20091227091010
/// 注意：最短失效时间间隔必须大于5分钟
/// </summary>
public String time_expire { get; set; } /// <summary>
/// 商品标记
/// 商品标记，代金券或立减优惠功能的参数
/// </summary>
public String goods_tag { get; set; } /// <summary>
/// 通知地址
/// </summary>
public String notify_url { get; set; } /// <summary>
/// 交易类型
/// 小程序默认值:JSAPI
/// </summary>
public String trade_type { get; set; } /// <summary>
/// 指定支付方式
/// no_credit--指定不能使用信用卡支付
/// </summary>
public String limit_pay { get; set; } /// <summary>
/// 支付人的openID
/// </summary>
public String openid { get; set; } /// <summary>
/// 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
/// </summary>
public String key { get; set; } }
2.给该实体进行赋值
var wxconfig = dbContext.GXL_WxConfig.FirstOrDefault(x => x.ManuID == PayNotifyModel.ManuId);
//生成预支付的订单编号
string orderNum = Utils.GetOrderNumber();
PayModel paymodel = new PayModel();
paymodel.appid = wxconfig.AppId;
paymodel.body = "消费-付款";
paymodel.fee_type = "CNY";
paymodel.key = wxconfig.PayKey;
paymodel.limit_pay = "no_credit";//不能使用信用卡支付,目前禁止,到时候和客户确定,开通权限
paymodel.mch_id = wxconfig.MchId;
paymodel.nonce_str = Utils.GetRandomString(, true, true, true, false, "");
paymodel.notify_url = "https://www.fujinapp.cn/api/gxl/Weixin/Notify_url";//支付成功回调页面
paymodel.openid = openId;
paymodel.out_trade_no = orderNum;//给微信支付的订单号,避免重复
paymodel.sign_type = "MD5";
paymodel.spbill_create_ip = "112.94.224.190";//考虑还要做一个获取IP地址的功能
paymodel.time_start = DateTime.Now.ToString("yyyyMMddHHmmss");//支付时间
paymodel.time_expire = DateTime.Now.AddDays().ToString("yyyyMMddHHmmss");//支付结束时间 目前暂定是一天
paymodel.total_fee = PayNotifyModel.total_fee;//支付金额 通过订单id获取支付金额 然后进行转化
paymodel.trade_type = "JSAPI";
paymodel.attach = Newtonsoft.Json.JsonConvert.SerializeObject(PayNotifyModel);//支付成功带回来的
3.将绑定好数据的实体对象丢到付款方法里面去
/// <summary>
/// 付款信息
/// </summary>
/// <param name="openID">付款人</param>
/// <param name="paymodel">配置付款model信息</param>
/// <returns></returns>
public static PayReturnData SendPay(PayModel paymodel)
{
#region 1.填充数据
Dictionary<string, string> dics = new Dictionary<string, string>();
dics.Add("appid", paymodel.appid);
dics.Add("mch_id", paymodel.mch_id);
dics.Add("nonce_str", paymodel.nonce_str);
dics.Add("body", paymodel.body);
dics.Add("attach", paymodel.attach);
dics.Add("out_trade_no", paymodel.out_trade_no);
dics.Add("total_fee", paymodel.total_fee.ToString());
dics.Add("notify_url", paymodel.notify_url);
dics.Add("trade_type", paymodel.trade_type);
dics.Add("openid", paymodel.openid);
dics.Add("spbill_create_ip", paymodel.spbill_create_ip); //string sign = GetSignString(dics, paymodel.key);
string sign = Utils.getParamSrc(dics);
sign = sign + "&key=" + paymodel.key;
sign = Utils.MD5Encrypt(sign, Encoding.UTF8);
dics.Add("sign", sign);
paymodel.sign = sign;
#endregion #region 2.生成xml数据var sb = new StringBuilder();
sb.Append("<xml>");
foreach (var d in dics)
{
sb.Append("<" + d.Key + ">" + d.Value + "</" + d.Key + ">");
}
sb.Append("</xml>");
#endregion #region 3.发起预支付
CookieCollection coo = new CookieCollection();
Encoding en = Encoding.GetEncoding("UTF-8");
HttpWebResponse response = Request.CreatePostHttpResponse("https://api.mch.weixin.qq.com/pay/unifiedorder", sb.ToString(), en);
//打印返回值
Stream stream = response.GetResponseStream(); //获取响应的字符串流
StreamReader sr = new StreamReader(stream); //创建一个stream读取流
string html = sr.ReadToEnd(); //从头读到尾，放到字符串html
var xml = new XmlDocument();
xml.LoadXml(html);
//处理返回的值
DataSet ds = new DataSet();
StringReader stram = new StringReader(html);
XmlTextReader reader = new XmlTextReader(stram);
ds.ReadXml(reader);
string return_code = ds.Tables[].Rows[]["return_code"].ToString();
PayReturnData payDataModel = new PayReturnData();
if (return_code.ToUpper() == "SUCCESS")
{
//通信成功
string result_code = ds.Tables[].Rows[]["result_code"].ToString();//业务结果
if (result_code.ToUpper() == "SUCCESS")
{
Log4Helper.ErrorInfo("GXL", "支付请求完成");
string pid = ds.Tables[].Rows[]["prepay_id"].ToString();
payDataModel.paySign = paymodel.sign;
payDataModel.signType = paymodel.sign_type;
payDataModel.timeStamp = Utils.GetTimeStamp();
payDataModel.package = pid;
//payDataModel.nonceStr = GetRandomString(32, true, true, true, false, "");
payDataModel.nonceStr = paymodel.nonce_str;
payDataModel.appId = paymodel.appid;
payDataModel.Key = paymodel.key;
}
}
return payDataModel;
#endregion
}
4.相应的方法类
#region 小程序
/// <summary>
/// 获取时间戳
/// </summary>
/// <returns></returns>
public static string GetTimeStamp()
{
TimeSpan ts = DateTime.UtcNow - new DateTime(, , , , , , );
return Convert.ToInt64(ts.TotalSeconds).ToString();
}
/// <summary>
/// 拼接：Dictionary &拼接
/// </summary>
/// <param name="paramsMap"></param>
/// <returns></returns>
public static String getParamSrc(Dictionary<string, string> paramsMap)
{
var vDic = (from objDic in paramsMap orderby objDic.Key ascending select objDic);
StringBuilder str = new StringBuilder();
foreach (KeyValuePair<string, string> kv in vDic)
{
string pkey = kv.Key;
string pvalue = kv.Value;
str.Append(pkey + "=" + pvalue + "&");
} String result = str.ToString().Substring(, str.ToString().Length - );
return result;
}
/// <summary>
/// MD5 加密
/// </summary>
/// <param name="input"> 待加密的字符串 </param>
/// <param name="encoding"> 字符编码 </param>
/// <returns></returns>
public static string MD5Encrypt(string input, Encoding encoding)
{
return HashEncrypt(MD5.Create(), input, encoding);
}
/// <summary>
/// 哈希加密算法
/// </summary>
/// <param name="hashAlgorithm"> 所有加密哈希算法实现均必须从中派生的基类 </param>
/// <param name="input"> 待加密的字符串 </param>
/// <param name="encoding"> 字符编码 </param>
/// <returns></returns>
private static string HashEncrypt(HashAlgorithm hashAlgorithm, string input, Encoding encoding)
{
var data = hashAlgorithm.ComputeHash(encoding.GetBytes(input)); return BitConverter.ToString(data).Replace("-", "");
} /// <summary>
/// 获取时间差 返回秒
/// </summary>
/// <param name="DateTime1"></param>
/// <param name="DateTime2"></param>
/// <returns></returns>
public static double DateDiffIsSecond(DateTime DateTime1, DateTime DateTime2)
{
string dateDiff = null;
TimeSpan ts = DateTime1.Subtract(DateTime2).Duration();
return ts.TotalSeconds;
}
///<summary>
///生成随机字符串
///</summary>
///<param name="length">目标字符串的长度</param>
///<param name="useNum">是否包含数字，1=包含，默认为包含</param>
///<param name="useLow">是否包含小写字母，1=包含，默认为包含</param>
///<param name="useUpp">是否包含大写字母，1=包含，默认为包含</param>
///<param name="useSpe">是否包含特殊字符，1=包含，默认为不包含</param>
///<param name="custom">要包含的自定义字符，直接输入要包含的字符列表</param>
///<returns>指定长度的随机字符串</returns>
public static string GetRandomString(int length, bool useNum, bool useLow, bool useUpp, bool useSpe, string custom)
{
byte[] b = new byte[];
new System.Security.Cryptography.RNGCryptoServiceProvider().GetBytes(b);
Random r = new Random(BitConverter.ToInt32(b, ));
string s = null, str = custom;
if (useNum == true) { str += ""; }
if (useLow == true) { str += "abcdefghijklmnopqrstuvwxyz"; }
if (useUpp == true) { str += "ABCDEFGHIJKLMNOPQRSTUVWXYZ"; }
if (useSpe == true) { str += "!\"#$%&'()*+,-./:;<=>?@[\\]^_`{|}~"; }
for (int i = ; i < length; i++)
{
s += str.Substring(r.Next(, str.Length - ), );
}
return s;
} public static byte[] StreamToBytes(Stream stream)
{
List<byte> bytes = new List<byte>();
int temp = stream.ReadByte();
while (temp != -)
{
bytes.Add((byte)temp);
temp = stream.ReadByte();
}
return bytes.ToArray();
} public static void PreservationCodeImage(string path, byte[] imgByte)
{
System.IO.File.WriteAllBytes(@"" + path + "", imgByte);
} /// <summary>
/// MD5加密
/// </summary>
/// <param name="encypStr">加密字符串</param>
/// <param name="charset">编码方式</param>
/// <returns></returns>
public static string GetMD5(string encypStr, string charset)
{
string retStr;
MD5CryptoServiceProvider m5 = new MD5CryptoServiceProvider(); //创建md5对象
byte[] inputBye;
byte[] outputBye; //使用GB2312编码方式把字符串转化为字节数组．
try
{
inputBye = Encoding.GetEncoding(charset).GetBytes(encypStr);
}
catch (Exception ex)
{
inputBye = Encoding.GetEncoding("GB2312").GetBytes(encypStr);
}
outputBye = m5.ComputeHash(inputBye); retStr = System.BitConverter.ToString(outputBye);
retStr = retStr.Replace("-", "").ToUpper();
return retStr;
}
#endregion
5.返回出去的实体对象
/// <summary>
/// 预支付返回的数据
/// </summary>
public class PayReturnData
{
/// <summary>
/// 小程序Key
/// </summary>
public String Key { get; set; } /// <summary>
/// 小程序编号
/// </summary>
public String appId { get; set; } /// <summary>
/// 时间戳从1970年1月1日00:00:00至今的秒数,即当前的时间
/// </summary>
public String timeStamp { get; set; } /// <summary>
/// 随机字符串，不长于32位
/// </summary>
public String nonceStr { get; set; } /// <summary>
/// 统一下单接口返回的 prepay_id 参数值，提交格式如：prepay_id=wx2017033010242291fcfe0db70013231072
/// </summary>
public String package { get; set; } /// <summary>
/// 签名算法，暂支持 MD5
/// </summary>
public String signType { get; set; } /// <summary>
/// 签名
/// </summary>
public String paySign { get; set; } }
注：返回出来的实体对象一定要序列化返回出去。然后在前端有相应的处理。
核心代码已经写完了。其它跟业务相关的内容需要自己补充。
