java 实现微信自定义分享功能，总是报config:invalid signature.

Question

java 实现微信自定义分享功能，总是报config:invalid signature.

发布于
2016-10-24

新手上路，请多包涵

1.WeixinUtil.class
package com.weixin.util;

import java.io.BufferedReader;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.UnsupportedEncodingException;
import java.net.ConnectException;
import java.net.URL;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import java.util.Formatter;
import java.util.HashMap;
import java.util.Map;
import java.util.UUID;

import javax.net.ssl.HttpsURLConnection;
import javax.net.ssl.SSLContext;
import javax.net.ssl.SSLSocketFactory;
import javax.net.ssl.TrustManager;
import javax.servlet.http.HttpServletRequest;

import net.sf.json.JSONObject;

public class WeixinUtil {


/**
* 方法名：httpRequest</br>
* 详述：发送http请求</br>
* @param requestUrl
* @param requestMethod
* @param outputStr
* @return 说明返回值含义
* @throws 说明发生此异常的条件
 */
public static JSONObject httpRequest(String requestUrl,String requestMethod, String outputStr) {
    JSONObject jsonObject = null;
    StringBuffer buffer = new StringBuffer();
    try {
        TrustManager[] tm = { new MyX509TrustManager() };
        
        SSLContext sslContext = SSLContext.getInstance("SSL", "SunJSSE");
        sslContext.init(null, tm, new java.security.SecureRandom());
        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);
        httpUrlConn.setRequestMethod(requestMethod);
        if ("GET".equalsIgnoreCase(requestMethod))
            httpUrlConn.connect();
        if (null != outputStr) {
            OutputStream outputStream = httpUrlConn.getOutputStream();
            outputStream.write(outputStr.getBytes("UTF-8"));
            outputStream.close();
        }
        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();
        inputStream.close();
        inputStream = null;
        httpUrlConn.disconnect();
        jsonObject = JSONObject.fromObject(buffer.toString());
    } catch (ConnectException ce) {
        ce.printStackTrace();
    } catch (Exception e) {
        e.printStackTrace();
    }
    return jsonObject;
}


/**
* 方法名：getWxConfig</br>
* 详述：获取微信的配置信息 </br>
* @param request
* @return 说明返回值含义
* @throws 说明发生此异常的条件
 */
public static Map<String, Object> getWxConfig(HttpServletRequest request) {
    Map<String, Object> ret = new HashMap<String, Object>();
  
    String appId = "wxbf547a5a1d4c13f7"; // 必填，公众号的唯一标识
    String secret = "d4624c36b6795d1d99dcf0547af5443d";

    String requestUrl = request.getRequestURL().toString();
    String access_token = "";
    String jsapi_ticket = "";
    String timestamp = Long.toString(System.currentTimeMillis() / 1000); // 必填，生成签名的时间戳
    String nonceStr = UUID.randomUUID().toString(); // 必填，生成签名的随机串
    String url = "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid="+ appId + "&secret=" + secret;
    
    JSONObject json = WeixinUtil.httpRequest(url, "GET", null);
    
    if (json != null) {
        //要注意，access_token需要缓存
        access_token = json.getString("access_token");
        url = "https://api.weixin.qq.com/cgi-bin/ticket/getticket?access_token="+ access_token + "&type=jsapi";
        
        json = WeixinUtil.httpRequest(url, "GET", null);
        if (json != null) {
            jsapi_ticket = json.getString("ticket");
            
        }
    }
    String signature = "";
    // 注意这里参数名必须全部小写，且必须有序
    String sign = "jsapi_ticket=" + jsapi_ticket + "&noncestr=" + nonceStr+ "&timestamp=" + timestamp + "&url=" + requestUrl;
    try {
        MessageDigest crypt = MessageDigest.getInstance("SHA-1");
        crypt.reset();
        crypt.update(sign.getBytes("UTF-8"));
        signature = byteToHex(crypt.digest());
    } catch (NoSuchAlgorithmException e) {
        e.printStackTrace();
    } catch (UnsupportedEncodingException e) {
        e.printStackTrace();
    }
    
    ret.put("token", access_token);
    ret.put("ticket", jsapi_ticket);
    ret.put("ksy", json);
    
    ret.put("appId", appId);
    ret.put("timestamp", timestamp);
    ret.put("nonceStr", nonceStr);
    ret.put("signature", signature);
    return ret;
}


/**
* 方法名：byteToHex</br>
* 详述：字符串加密辅助方法 </br>
* @param hash
* @return 说明返回值含义
* @throws 说明发生此异常的条件
 */
private static String byteToHex(final byte[] hash) {
    Formatter formatter = new Formatter();
    for (byte b : hash) {
        formatter.format("%02x", b);
    }
    String result = formatter.toString();
    formatter.close();
    return result;

}

}

2.share.jsp
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%@page language="java" import="com.weixin.util.WeixinUtil" %>
<%-- <%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%> --%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>

<%-- <base href="<%=basePath%>"> --%>
<title>微信分享测试</title>
<meta http-equiv="pragma" content="no-cache">
<meta http-equiv="cache-control" content="no-cache">
<meta http-equiv="expires" content="0">    
<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
<meta http-equiv="description" content="This is my page">

<%

    Map<String,Object>  ret = new HashMap<String,Object> ();
    ret=WeixinUtil.getWxConfig(request);
    request.setAttribute("appId", ret.get("appId"));
    request.setAttribute("timestamp", ret.get("timestamp"));
    request.setAttribute("nonceStr", ret.get("nonceStr"));
    request.setAttribute("signature", ret.get("signature"));
    //自测参数
    request.setAttribute("ticket", ret.get("ticket"));
    request.setAttribute("token", ret.get("token"));
    request.setAttribute("ksy", ret.get("ksy"));
    request.setAttribute("ksy1", ret);
    %>  
<!--封装微信接口 -->
<%-- <%@include file="wxjshead.jsp"%> --%>
<!--引入js文件  -->
<!-- <script type="text/javascript" src="share.js"></script> -->
<style type="text/css">
    a:link {
     text-decoration: none;
    }
</style>

</head>

<body>

   <a href="javascript:void(0);" onclick="shareFriend()"><h1>点我进行分享</h1></a>
   <h1>${ticket}+"*1"</h1>   
   <h1>${token}+"*2"</h1>
   <h1>"json数据"${ksy}+"*3json"</h1>
   <h1>"ret数据"${ksy1}+"*4"</h1>

</body>
<script type="text/javascript" src="http://res.wx.qq.com/open/js/...
<script type="text/javascript">

alert("start");

// 微信信息的以及调用的配置
wx.config({

debug: true, 
appId: '${appId}', 
timestamp: '${timestamp}', 
nonceStr: '${nonceStr}', 
signature: '${signature}',
jsApiList: ['chooseImage','onMenuShareTimeline', 'onMenuShareAppMessage','onMenuShareQQ','onMenuShareWeibo','onMenuShareQZone']

});

wx.ready(function(){

alert("wx.ready");
/* wx.checkJsApi({
    jsApiList: ['onMenuShareAppMessage'], // 需要检测的JS接口列表，所有JS接口列表见附录2,
    success: function(res) {
        // 以键值对的形式返回，可用的api值true，不可用为false
        // 如：{"checkResult":{"chooseImage":true},"errMsg":"checkJsApi:ok"}
        $.scojs_message(JSON.stringify(res),$.scojs_message.TYPE_OK);
    }
}); */
//wx.hideOptionMenu();
// 获取“分享到朋友圈”按钮点击状态及自定义分享内容接口
wx.onMenuShareTimeline({
    title: '第八篇 ：微信公众平台开发实战Java版之如何网页授权获取用户基本信息', // 分享标题
    link:"http://www.cnblogs.com/liuhongfeng/p/5099149.html",
    imgUrl: "http://images.cnblogs.com/cnblogs_com/liuhongfeng/737147/o_1442809977405.jpg", // 分享图标
    success: function () { 
         // 用户确认分享后执行的回调函数
         alert("成功分享到朋友圈");
    },
    cancel: function () { 
        // 用户取消分享后执行的回调函数
    },
    fail: function (res) {
        alert('分享到朋友圈失败');
    }
});
// 获取“分享给朋友”按钮点击状态及自定义分享内容接口
wx.onMenuShareAppMessage({
    title: '第七篇 ：微信公众平台开发实战Java版之如何获取微信用户基本信息', // 分享标题
    desc: "第七篇 ：微信公众平台开发实战Java版之如何获取微信用户基本信息", // 分享描述
    link:"http://www.cnblogs.com/liuhongfeng/p/5057167.html",
    imgUrl: "http://images.cnblogs.com/cnblogs_com/liuhongfeng/737147/o_QQ%E5%9B%BE%E7%89%8720151118180508.png", // 分享图标
    type: 'link', // 分享类型,music、video或link，不填默认为link
    success: function () { 
        // 用户确认分享后执行的回调函数
        alert("成功分享给朋友");
     },
     cancel: function () { 
        // 用户取消分享后执行的回调函数
     },
     fail: function (res) {
            alert('分享给朋友失败');
     }
     
});

//获取“分享到QQ”按钮点击状态及自定义分享内容接口

wx.onMenuShareQQ({
    title: '第六篇 ：微信公众平台开发实战Java版之如何自定义微信公众号菜单', // 分享标题
    desc: '第六篇 ：微信公众平台开发实战Java版之如何自定义微信公众号菜单', // 分享描述
    link: 'http://www.cnblogs.com/liuhongfeng/p/4857312.html', // 分享链接
    imgUrl: 'http://images.cnblogs.com/cnblogs_com/liuhongfeng/737147/o_qrcode_for_gh_228cd30523bc_258.jpg', // 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
    }
});

});
</script>
</html>

微信

java 分享

阅读 4.5k

1 个回答

得票最新

行走在赤道

5k21827

发布于
2016-10-24

估计是签名所使用的url不一样。
微信所使用的签名url是location.href.split('#')[0]这个值。

撰写回答