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138 lines
4.3 KiB
138 lines
4.3 KiB
using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Linq;
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using System.Net;
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using System.Security.Cryptography;
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using System.Text;
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using System.Web;
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using System.Xml;
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/// <summary>
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/// WX_Util 的摘要说明
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/// </summary>
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public class WX_Util
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{
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public static string getRandomStr()
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{
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return Guid.NewGuid().ToString().Replace("-", "");
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}
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public static string extract(string str, string key)
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{
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SortedDictionary<string, string> map = new SortedDictionary<string, string>();
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XmlDocument xmlDoc = new XmlDocument();
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xmlDoc.LoadXml(str);
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XmlNode xmlNode = xmlDoc.FirstChild;//获取到根节点<xml>
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XmlNodeList nodes = xmlNode.ChildNodes;
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foreach (XmlNode xn in nodes)
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{
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XmlElement xe = (XmlElement)xn;
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if (key.Equals(xe.Name))
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{
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return xe.InnerText;
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}
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}
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return "";
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}
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public static ReturnBean submit(SortedDictionary<string, string> map, string key)
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{
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string str = null;
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HttpWebRequest request = (HttpWebRequest)WebRequest.Create("https://api.mch.weixin.qq.com/pay/unifiedorder");
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request.Method = "POST";
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Stream requestStream = request.GetRequestStream();
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StreamWriter streamWriter = new StreamWriter(requestStream);
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streamWriter.Write(getXML(map, key));
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streamWriter.Flush();
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HttpWebResponse response = (HttpWebResponse)request.GetResponse();
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Stream responseStream = response.GetResponseStream();
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StreamReader streamReader = new StreamReader(responseStream);
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str = streamReader.ReadToEnd();
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streamWriter.Close();
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streamReader.Close();
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WX_Util.log(str);
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return new ReturnBean(str);
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}
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public static void log(string str)
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{
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System.IO.FileStream file = new System.IO.FileStream(HttpContext.Current.Server.MapPath("/upload/log.txt"), System.IO.FileMode.Append);
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System.IO.StreamWriter writer = new System.IO.StreamWriter(file);
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writer.WriteLine(str + "\n\r");
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writer.Close();
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}
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public static string getXML(SortedDictionary<string, string> map, string key)
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{
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string xml = "<xml>";
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xml += "<sign>" + sign(map, key) + "</sign>";
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foreach (KeyValuePair<string, string> pair in map)
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{
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if (pair.Value != null)
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{
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if (pair.Value.GetType() == typeof(int))
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{
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xml += "<" + pair.Key + ">" + pair.Value + "</" + pair.Key + ">";
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}
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else if (pair.Value.GetType() == typeof(string))
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{
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xml += "<" + pair.Key + ">" + "<![CDATA[" + pair.Value + "]]></" + pair.Key + ">";
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}
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}
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}
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xml += "</xml>";
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return xml;
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}
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public static string sign(SortedDictionary<string, string> map, string key)
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{
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string strb = "";
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foreach (KeyValuePair<string, string> pair in map)
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{
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if (pair.Key != "sign" && pair.Value != "")
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{
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strb += pair.Key + "=" + pair.Value + "&";
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}
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}
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strb += "key=" + key;
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return md5(strb);
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}
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public static string md5(string str)
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{
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var md5 = MD5.Create();
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var bs = md5.ComputeHash(Encoding.UTF8.GetBytes(str));
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var sb = new StringBuilder();
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foreach (byte b in bs)
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{
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sb.Append(b.ToString("x2"));
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}
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//所有字符转为大写
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return sb.ToString().ToUpper();
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}
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public static string getRequestStr(HttpRequest request)
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{
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System.IO.Stream s = request.InputStream;
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int count = 0;
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byte[] buffer = new byte[1024];
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StringBuilder builder = new StringBuilder();
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while ((count = s.Read(buffer, 0, 1024)) > 0)
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{
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builder.Append(Encoding.UTF8.GetString(buffer, 0, count));
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}
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s.Flush();
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s.Close();
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s.Dispose();
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return builder.ToString();
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}
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public WX_Util()
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{
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//
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// TODO: 在此处添加构造函数逻辑
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//
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}
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}
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