WeChat ?? ?? ??

??? ???:

1. WeChat ?? ??? ??

2. Baidu BAE ??? ??

1. ?? ???? ??

WeChat ?? ???? ????? ??? ???? ?????.

??? ????? ?? ??? ?????. ?? ?? ??? ?? ?? ?? ??? ?? ?? ??? ??? ??? ? ????. ??, ?? ?? ??? ??? ?????? ?? ?? ??? ??? ???? ????. WeChat? ???? ??? ???? ??? ??? ?????. ??? ??? ????? ?? ??? ?????.

??? ?? ??? ?? ??? ?? ??????~

WeChat? ????? ?????? ????? URL ??? ???? ???. WeChat ??? ??? ?? ? ??? ??? ?? ????? ???? ? ??? ???. ???? ???? ???? ???? ?? ??? ? ?? ??? ?? Baidu? ?????. Bae, ?? IP? ??? ??? ? ? ????. Baidu ???? ????? svn ? ??? ???????. ??? ??????? ???? ???, ??? ??? ???? ????, ??? ??? ???? ???? ?? ???? ?? ????? ???. ??? ??? ? ???? ??? ?? ??? ?????. ?? ??? Liu Feng ???? ????? ??? ????

package com.vlive.action.connector;  
import java.io.IOException;  
import java.io.PrintWriter;  
import javax.servlet.ServletException;  
import javax.servlet.http.HttpServlet;  
import javax.servlet.http.HttpServletRequest;  
import javax.servlet.http.HttpServletResponse;  
import com.vlive.utils.SignUtil;  
public class URlresponse extends HttpServlet{  
    @Override  
    protected void doGet(HttpServletRequest req, HttpServletResponse resp)  
            throws ServletException, IOException {  
         // 微信加密簽名    
        String signature = req.getParameter("signature");    
        // 時間戳    
        String timestamp = req.getParameter("timestamp");    
        // 隨機數(shù)    
        String nonce = req.getParameter("nonce");    
        // 隨機字符串    
        String echostr = req.getParameter("echostr");    
        PrintWriter out = resp.getWriter();    
        // 通過檢驗signature對請求進行校驗，若校驗成功則原樣返回echostr，表示接入成功，否則接入失敗    
        if (SignUtil.checkSignature(signature, timestamp, nonce)) {    
            out.print(echostr);    
        }    
        out.close();    
        out = null;    
    }  
}

? ???? SignUtil checkSignature ???? ?????:

• package com.vlive.utils;  
  import java.security.MessageDigest;  
  import java.security.NoSuchAlgorithmException;  
  import java.util.Arrays;  
  public class SignUtil {  
      private static String token="vlive";  
      public static boolean checkSignature(String signature, String timestamp, String nonce) {    
          String[] arr = new String[] { token, timestamp, nonce };    
          // 將token、timestamp、nonce三個參數(shù)進行字典序排序    
          Arrays.sort(arr);    
          StringBuilder content = new StringBuilder();    
          for (int i = 0; i < arr.length; i++) {    
              content.append(arr[i]);    
          }    
          MessageDigest md = null;    
          String tmpStr = null;    
          try {    
              md = MessageDigest.getInstance("SHA-1");    
              // 將三個參數(shù)字符串拼接成一個字符串進行sha1加密    
              byte[] digest = md.digest(content.toString().getBytes());    
              tmpStr = byteToStr(digest);    
          } catch (NoSuchAlgorithmException e) {    
              e.printStackTrace();    
          }    
          content = null;    
          // 將sha1加密后的字符串可與signature對比，標(biāo)識該請求來源于微信    
          return tmpStr != null ? tmpStr.equals(signature.toUpperCase()) : false;    
      }    
       /**  
       * 將字節(jié)數(shù)組轉(zhuǎn)換為十六進制字符串  
       *   
       * @param byteArray  
       * @return  
       */    
      private static String byteToStr(byte[] byteArray) {    
          String strDigest = "";    
          for (int i = 0; i < byteArray.length; i++) {    
              strDigest += byteToHexStr(byteArray[i]);    
          }    
          return strDigest;    
      }    
      /**  
       * 將字節(jié)轉(zhuǎn)換為十六進制字符串  
       *   
       * @param mByte  
       * @return  
       */    
      private static String byteToHexStr(byte mByte) {    
          char[] Digit = { &#39;0&#39;, &#39;1&#39;, &#39;2&#39;, &#39;3&#39;, &#39;4&#39;, &#39;5&#39;, &#39;6&#39;, &#39;7&#39;, &#39;8&#39;, &#39;9&#39;, &#39;A&#39;, &#39;B&#39;, &#39;C&#39;, &#39;D&#39;, &#39;E&#39;, &#39;F&#39; };    
          char[] tempArr = new char[2];    
          tempArr[0] = Digit[(mByte >>> 4) & 0X0F];    
          tempArr[1] = Digit[mByte & 0X0F];    
          String s = new String(tempArr);    
          return s;    
      }    
  }

  
  ??? web.xml

  <?xml version="1.0" encoding="UTF-8"?>  
  <web-app version="2.5"   
      xmlns="http://java.sun.com/xml/ns/javaee"   
      xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"   
      xsi:schemaLocation="http://java.sun.com/xml/ns/javaee   
      http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd">  
    <display-name></display-name>   
    <servlet>    
          <servlet-name>URlresponse</servlet-name>    
          <servlet-class>    
             com.vlive.action.connector.URlresponse    
          </servlet-class>    
      </servlet>    
      <!-- url-pattern中配置的/coreServlet用于指定該Servlet的訪問路徑 -->    
      <servlet-mapping>    
          <servlet-name>URlresponse</servlet-name>    
          <url-pattern>/urlresponse</url-pattern>    
      </servlet-mapping>    
    <welcome-file-list>  
      <welcome-file>index.jsp</welcome-file>  
    </welcome-file-list>  
  </web-app>

  ???.

  
  

  ?? ??? ??? ??? ? ????
  • ?? URL? ??? ???? ???? ? ? ????. ~

    
    

  ? ??? WeChat ?? ?? ??? ??? ?? ??? ?? ?????. ??? ??? PHP ??? ????? ?? ?? ??? ?????!