Java-Entwicklung der WeChat-Sharing-to-Moments-Funktion

package com.wiimedia.controller;
 
 
import java.io.IOException;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Arrays;
import java.util.Date;
 
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
 
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
 
import com.google.gson.Gson;
import com.wiimedia.model.Ticket;
import com.wiimedia.service.ArticleSolrService;
import com.wiimedia.service.TicketRepository;
import com.wiimedia.service.TicketRepositorySolr;
import com.wiimedia.utils.GetRandomStr;
import com.wiimedia.utils.SignatureBean;
import com.wiimedia.utils.weixin.WeixinUtil;
/**
 * 
 * 
 *<p>Project:mryl_phone_v2</p> 
 * 
 *<p>Package:com.wiimedia.controller</p> 
 * 
 *<p>Description:微信分享Controller</p>
 *
 *<p>Company:Wiimedia</p>
 *
 *@Athor:SongJia
 *
 *@Date:2016-7-15 上午09:34:10
 *
 */
 
@Controller
@RequestMapping("/WeixinshareController/Api/Inteface")
public class WeixinshareController {
 @Autowired
 private TicketRepositorySolr ticketRepositorySolr;
 
 @RequestMapping("/getSignature")
 public String getSignature( HttpServletRequest request,
   HttpServletResponse response) throws IOException, ParseException{
  //获取签名页面链接
  String url = request.getParameter("url");
  SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
  //从数据库中获取标签，并检查标签是否过期
  Ticket oldticket = ticketRepositorySolr.getTicketById("20160114wiimediamrylsong1152");
  if(oldticket==null){//第一次访问，标签不存在。
   executeTicket(response,"1",url,format);
   return null;
  }else{//标签存在，判断标签是否超时
   String oldAcquiretime = oldticket.getAcquiretime();
   long difference=format.parse(format.format(new Date())).getTime()-format.parse(oldAcquiretime).getTime();
   if(difference>7100000){//标签超时,重新到微信服务器请求标签超时时间为7200秒（7200000毫秒）
    executeTicket(response,"2",url,format);
    return null; 
   }else{//标签未超时
    /** 
     * 注意事项           
     * 1.签名用的noncestr和timestamp必须与wx.config中的nonceStr和timestamp相同。
     * 2.签名用的url必须是调用JS接口页面的完整URL。      
     * 3.出于安全考虑，开发者必须在服务器端实现签名的逻辑。 
     * 
     ****根据第1点要求   signature 配置的时候很容易出错，需要把生成 Ticket的 noncestr和 timestamp传给客户端***
     */
    String signature = signature(oldticket.getTicket(),oldticket.getTimestamp(),oldticket.getNoncestr(),url);
    SignatureBean signatureBean = new SignatureBean();
    signatureBean.setNoncestr(oldticket.getNoncestr());
    signatureBean.setSignature(signature);
    signatureBean.setTimestamp(oldticket.getTimestamp());
    signatureBean.setUrl(url);
    response.setContentType("text/html;charset=UTF-8");
    response.getWriter().print(new Gson().toJson(signatureBean));
    return null; 
   } 
  }
 
 
 }
 /**
  * 
  *<p>Project:mryl_phone_v2</p> 
  * 
  *<p>:mryl_phone_v2</p> 
  * 
  *<p>Description:更新和获取ticket的方法，因为用的solr所以更新和新增是一样的ID无则添加，有责更新</p>
  *
  *<p>Company:Wiimedia</p>
  *
  *@Athor:SongJia
  *
  *@Date:2016-7-15 上午09:45:00 
  *
  */
 public void executeTicket(HttpServletResponse response,String flag,String url,SimpleDateFormat format) throws IOException{
 
  //获取签名随即字符串
  GetRandomStr randomStr = new GetRandomStr();
  String noncestr = randomStr.getRandomString(15);
  //获取签名时间戳
  String timestamp = Long.toString(System.currentTimeMillis());
  //请求accessToken
  String accessTokenUrl ="https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=您的APPID&secret=您的密匙";
  String tokenJson = WeixinUtil.httpRequest(accessTokenUrl, "GET", null);
  Gson gson = new Gson();
  ShareAccess_Token token = gson.fromJson(tokenJson, ShareAccess_Token.class);
  String to= token.getAccess_token();
  //获取标签
  String urlTicket ="https://api.weixin.qq.com/cgi-bin/ticket/getticket?access_token="+to+"&type=jsapi";
  String ticketJson = WeixinUtil.httpRequest(urlTicket, "GET", null);
  Ticket ticket = gson.fromJson(ticketJson, Ticket.class);
  String t = ticket.getTicket();
  //String uuid = UUID.randomUUID().toString().trim().replaceAll("-", "");
  //我的Ticket ID是写死的
  String acquiretime = format.format(new Date());
  ticket.setTid("20160114wiimediamrylsong1152");
  ticket.setAcquiretime(acquiretime);
  ticket.setTimestamp(timestamp);
  ticket.setNoncestr(noncestr);
  //因为用的SOLR所以更新和添加的方法是一样的，可以根据自己具体需求进行修改，本文不再贴出代码.
  if(flag.equals("2")){
   ticketRepositorySolr.addTicketToSolr(ticket); 
  }else{
   ticketRepositorySolr.addTicketToSolr(ticket);
  }
  /** 
   * 注意事项           
   * 1.签名用的noncestr和timestamp必须与wx.config中的nonceStr和timestamp相同。
   * 2.签名用的url必须是调用JS接口页面的完整URL。      
   * 3.出于安全考虑，开发者必须在服务器端实现签名的逻辑。 
   * 
   *根据第1点要求   signature 配置的时候很容易出错，需要把生成 Ticket的 noncestr和 timestamp传给客户端*
   */
  String signature = signature(t,timestamp,noncestr,url);
  SignatureBean signatureBean = new SignatureBean();
  signatureBean.setNoncestr(noncestr);
  signatureBean.setSignature(signature);
  signatureBean.setTimestamp(timestamp);
  signatureBean.setUrl(url);
  response.setContentType("text/html;charset=UTF-8");
  response.getWriter().print(new Gson().toJson(signatureBean));
 }
 
 /**
  * 
  *<p>Project:mryl_phone_v2</p> 
  * 
  *<p>:mryl_phone_v2</p> 
  * 
  *<p>Description:根据标签,时间戳,密匙,URL进行签名</p>
  *
  *<p>Company:Wiimedia</p>
  *
  *@Athor:SongJia
  *
  *@Date:2016-7-15 上午09:37:13 
  *
  */
 private String signature(String jsapi_ticket, String timestamp, String noncestr, String url) {
  jsapi_ticket = "jsapi_ticket=" + jsapi_ticket;
  timestamp = "timestamp=" + timestamp;
  noncestr = "noncestr=" + noncestr;
  url = "url=" + url;
  String[] arr = new String[] { jsapi_ticket, timestamp, noncestr, url };
  // 将token、timestamp、nonce,url参数进行字典序排序
  Arrays.sort(arr);
  StringBuilder content = new StringBuilder();
  for (int i = 0; i < arr.length; i++) {
   content.append(arr[i]);
   if (i != arr.length - 1) {
    content.append("&");
   }
  }
  MessageDigest md = null;
  String tmpStr = null;
 
  try {
   md = MessageDigest.getInstance("SHA-1");
   // 将三个参数字符串拼接成一个字符串进行sha1加密
   byte[] digest = md.digest(content.toString().getBytes());
   tmpStr = byteToStr(digest);
  } catch (NoSuchAlgorithmException e) {
   e.printStackTrace();
  }
 
  content = null;
  return tmpStr;
 }
 /**
  * 将字节转换为十六进制字符串
  * 
  * @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;
 }
 /**
  * 将字节数组转换为十六进制字符串
  * 
  * @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;
 }
 
 
 class ShareAccess_Token{
  private String access_token;
  private String expires_in;
  public String getAccess_token() {
   return access_token;
  }
  public void setAccess_token(String accessToken) {
   access_token = accessToken;
  }
  public String getExpires_in() {
   return expires_in;
  }
  public void setExpires_in(String expiresIn) {
   expires_in = expiresIn;
  }
 
 }
}

<script type="text/javascript">
   var url = window.location.href;
   var articleId = "";
   var shareTitle="明日医疗资讯";
   var shareImgUrl="";
   var userinfo = localStorage.getItem("_userinfo");
   var timestamp;
   var noncestr;
   var signature;
   //获取签名
    $.ajax({
      type: "GET",
      url: "WeixinshareController/Api/Inteface/getSignature",
      //data:{timestamp:timestamp,noncestr:noncestr,url:url},
      data:{url:url},
      success: function(data){
        var objData=JSON.parse(data); 
        timestamp=objData.timestamp; 
        noncestr=objData.noncestr; 
        signature=objData.signature;
         console.log(objData);
         wxShare();
      }
     });
   function wxShare(){
   wx.config({
    debug: false, // 开启调试模式,调用的所有api的返回值会在客户端alert出来，若要查看传入的参数，可以在pc端打开，参数信息会通过log打出，仅在pc端时才会打印。
    appId: &#39;您的appid&#39;, // 和获取Ticke的必须一样------必填，公众号的唯一标识
    timestamp:timestamp, // 必填，生成签名的时间戳
    nonceStr: noncestr, // 必填，生成签名的随机串
    signature: signature,// 必填，签名，见附录1
    jsApiList: [
    &#39;onMenuShareAppMessage&#39;
    ] // 必填，需要使用的JS接口列表，所有JS接口列表见附录2
   });
   }
   wx.ready(function(){
     //config信息验证后会执行ready方法，所有接口调用都必须在config接口获得结果之后，
     //config是一个客户端的异步操作，所以如果需要在页面加载时就调用相关接口，则须把相关
     //接口放在ready函数中调用来确保正确执行。对于用户触发时才调用的接口，则可以直接调用，不需要放在ready函数中。
 
    //----------“分享给朋友”
    wx.onMenuShareAppMessage({
     title: "明日医疗资讯", // 分享标题
     desc: shareTitle, // 分享描述
     link: url, // 分享链接
     imgUrl: shareImgUrl, // 分享图标
     type: &#39;&#39;, // 分享类型,music、video或link，不填默认为link
     dataUrl: &#39;&#39;, // 如果type是music或video，则要提供数据链接，默认为空
     success: function () { 
      // 用户确认分享后执行的回调函数、
     },
     cancel: function () { 
      // 用户取消分享后执行的回调函数
     }
    });
    //------------"分享到朋友圈"
    wx.onMenuShareTimeline({
     title: &#39;明日医疗资讯&#39;, // 分享标题
     link: &#39;&#39;, // 分享链接
     imgUrl: shareImgUrl, // 分享图标
     success: function () { 
      // 用户确认分享后执行的回调函数
     },
     cancel: function () { 
      // 用户取消分享后执行的回调函数
     }
    });
    //-------------分享到QQ
    wx.onMenuShareQQ({
     title: &#39;明日医疗资讯&#39;, // 分享标题
     desc: shareTitle, // 分享描述
     link: &#39;&#39;, // 分享链接
     imgUrl: shareImgUrl, // 分享图标
     success: function () { 
      // 用户确认分享后执行的回调函数
     },
     cancel: function () { 
      // 用户取消分享后执行的回调函数
     }
    });
    //-------------分享到QQ空间
    wx.onMenuShareQZone({
     title: &#39;明日医疗资讯&#39;, // 分享标题
     desc: shareTitle, // 分享描述
     link: &#39;&#39;, // 分享链接
     imgUrl: shareImgUrl, // 分享图标
     success: function () { 
      // 用户确认分享后执行的回调函数
     },
     cancel: function () { 
      // 用户取消分享后执行的回调函数
     }
    });
 
   });

package com.wiimedia.model;
 
 
public class Ticket{
 private String tid;
 private String ticket; 
 private String errcode;
 private String errmsg; 
 private String expires_in;
 private String acquiretime;
 private String noncestr;
 private String timestamp;
 
 public Ticket(String tid, String ticket, String errcode, String errmsg,
   String expiresIn, String acquiretime, String noncestr,
   String timestamp) {
  super();
  this.tid = tid;
  this.ticket = ticket;
  this.errcode = errcode;
  this.errmsg = errmsg;
  expires_in = expiresIn;
  this.acquiretime = acquiretime;
  this.noncestr = noncestr;
  this.timestamp = timestamp;
 }
 public String getTid() {
  return tid;
 }
 public void setTid(String tid) {
  this.tid = tid;
 }
 public String getTicket() {
  return ticket;
 }
 public void setTicket(String ticket) {
  this.ticket = ticket;
 }
 public String getErrcode() {
  return errcode;
 }
 public void setErrcode(String errcode) {
  this.errcode = errcode;
 }
 public String getErrmsg() {
  return errmsg;
 }
 public void setErrmsg(String errmsg) {
  this.errmsg = errmsg;
 }
 public String getExpires_in() {
  return expires_in;
 }
 public void setExpires_in(String expiresIn) {
  expires_in = expiresIn;
 }
 public String getAcquiretime() {
  return acquiretime;
 }
 public void setAcquiretime(String acquiretime) {
  this.acquiretime = acquiretime;
 }
 public String getNoncestr() {
  return noncestr;
 }
 public void setNoncestr(String noncestr) {
  this.noncestr = noncestr;
 }
 public String getTimestamp() {
  return timestamp;
 }
 public void setTimestamp(String timestamp) {
  this.timestamp = timestamp;
 }
 
 
}

package com.wiimedia.utils;
 
import java.util.Random;
 
public class GetRandomStr {
 /**
  * 
  *<p>Project:mryl_phone_v2</p> 
  * 
  *<p>:mryl_phone_v2</p> 
  * 
  *<p>Description:生成随即字符串 </p>
  *
  *<p>Company:Wiimedia</p>
  *
  *@Athor:SongJia
  *
  *@Date:2016-7-14 上午11:14:46 
  *
  */
 public String getRandomString(int length) {
  String base = "abcdefghijklmnopqrstuvwxyz0123456789"; 
  Random random = new Random(); 
  StringBuffer sb = new StringBuffer(); 
  for (int i = 0; i < length; i++) { 
   int number = random.nextInt(base.length()); 
   sb.append(base.charAt(number)); 
  } 
  return sb.toString(); 
  }
}

package com.wiimedia.utils;
 
public class SignatureBean {
 private String noncestr;
 private String url;
 private String timestamp;
 private String signature;
 public String getNoncestr() {
  return noncestr;
 }
 public void setNoncestr(String noncestr) {
  this.noncestr = noncestr;
 }
 public String getUrl() {
  return url;
 }
 public void setUrl(String url) {
  this.url = url;
 }
 public String getTimestamp() {
  return timestamp;
 }
 public void setTimestamp(String timestamp) {
  this.timestamp = timestamp;
 }
 public String getSignature() {
  return signature;
 }
 public void setSignature(String signature) {
  this.signature = signature;
 }
 
}

package com.wiimedia.utils.weixin;
import java.io.BufferedReader;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.net.ConnectException;
import java.net.URL;
 
import javax.net.ssl.HttpsURLConnection;
import javax.net.ssl.SSLContext;
import javax.net.ssl.SSLSocketFactory;
import javax.net.ssl.TrustManager;
 
/**
  * 
  *<p>Project:mryl_phone_v2</p> 
  * 
  *<p>:mryl_phone_v2</p> 
  * 
  *<p>Description:公众平台接口工具类</p>
  *
  *<p>Company:Wiimedia</p>
  *
  *@Athor:SongJia
  *
  *@Date:2016-7-15 上午09:37:13 
  *
  */
public class WeixinUtil {
 
 /** 
  * 发起https请求并获取结果 
  * 
  * @param requestUrl 请求地址 
  * @param requestMethod 请求方式（GET、POST） 
  * @param outputStr 提交的数据 
  * @return JSONObject(通过JSONObject.get(key)的方式获取json对象的属性值) 
  */
 public static String httpRequest(String requestUrl, String requestMethod, String outputStr) { 
 
  StringBuffer buffer = new StringBuffer(); 
  try { 
   // 创建SSLContext对象，并使用我们指定的信任管理器初始化 
   TrustManager[] tm = { new MyX509TrustManager() }; 
   SSLContext sslContext = SSLContext.getInstance("SSL", "SunJSSE"); 
   sslContext.init(null, tm, new java.security.SecureRandom()); 
   // 从上述SSLContext对象中得到SSLSocketFactory对象 
   SSLSocketFactory ssf = sslContext.getSocketFactory(); 
 
   URL url = new URL(requestUrl); 
   HttpsURLConnection httpUrlConn = (HttpsURLConnection) url.openConnection(); 
   httpUrlConn.setSSLSocketFactory(ssf); 
 
   httpUrlConn.setDoOutput(true); 
   httpUrlConn.setDoInput(true); 
   httpUrlConn.setUseCaches(false); 
   // 设置请求方式（GET/POST） 
   httpUrlConn.setRequestMethod(requestMethod); 
 
   if ("GET".equalsIgnoreCase(requestMethod)) 
    httpUrlConn.connect(); 
 
   // 当有数据需要提交时 
   if (null != outputStr) { 
    OutputStream outputStream = httpUrlConn.getOutputStream(); 
    // 注意编码格式，防止中文乱码 
    outputStream.write(outputStr.getBytes("UTF-8")); 
    outputStream.close(); 
   } 
 
   // 将返回的输入流转换成字符串 
   InputStream inputStream = httpUrlConn.getInputStream(); 
   InputStreamReader inputStreamReader = new InputStreamReader(inputStream, "utf-8"); 
   BufferedReader bufferedReader = new BufferedReader(inputStreamReader); 
 
   String str = null; 
   while ((str = bufferedReader.readLine()) != null) { 
    buffer.append(str); 
   } 
   bufferedReader.close(); 
   inputStreamReader.close(); 
   // 释放资源 
   inputStream.close(); 
   inputStream = null; 
   httpUrlConn.disconnect(); 
   return buffer.toString(); 
  } catch (ConnectException ce) { 
   ce.printStackTrace(); 
  } catch (Exception e) { 
   e.printStackTrace();
  } 
  return ""; 
 }
}