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1、获取微信js所必须的签名
1 logger.info("获取凭证.."); 2 String code=(String) SecurityUtils.getSubject().getSession().getAttribute("Sign_code"); 3 String state=(String) SecurityUtils.getSubject().getSession().getAttribute("Sign_state"); 4 logger.info(state); 5 logger.info(code); 6 String ticket = null; 7 // 存储凭证和生成时间 8 FishingSingle instance = FishingSingle.instance; 9 if (null != instance.getJsGenerateTime()) { 10 Date currentTime = new Date(); 11 // 计算时间差 12 long time = ((currentTime.getTime() - instance.getJsGenerateTime() 13 .getTime()) / 1000); 14 // ticket有效时间7200秒 15 if (time >= 7100) { 16 // 获取js凭证 17 ticket = WeixinUtil.jsApi(); 18 } else { 19 ticket = instance.getJsTicket(); 20 } 21 } else { 22 // 获取js凭证 23 ticket = WeixinUtil.jsApi(); 24 } 25 //ticket = WeixinUtil.jsApi(); 26 Map<String, Object> paramsMap = new HashMap<String, Object>(); 27 paramsMap.put("jsapi_ticket", ticket); 28 paramsMap.put("timestamp", System.currentTimeMillis()); 29 paramsMap.put("noncestr", "weixin"); 30 // 调用js的页面完成路径 31 String url=(String) MiceConfig.getContextProperty("wd_URL"); 32 if(code==null){ 33 paramsMap.put("url", url+"personal/toSign"); 34 }else{ 35 paramsMap.put("url", url+"personal/toSign?code="+code+"&state="+state); 36 } 37 38 // 排序后的结果 39 String listStr = createLinkString(paramsMap); 40 logger.info("排序后..." + listStr); 41 // SHA-1加密 42 String tmpStr = new MySecurity().encode(listStr, MySecurity.SHA_1); 43 logger.info("SHA-1加密后:" + tmpStr); 44 // 保存js需要的4个参数 45 mv.addObject("appId", WeixinUtil.appId); 46 logger.info(WeixinUtil.appId); 47 mv.addObject("timestamp", paramsMap.get("timestamp")); 48 mv.addObject("nonceStr", paramsMap.get("noncestr")); 49 mv.addObject("signature", tmpStr);
所需要的加密方法
1 /** 2 * 把数组所有元素排序,并按照“参数=参数值”的模式用“&”字符拼接成字符串 3 * 4 * @param params 5 * 需要排序并参与字符拼接的参数组 6 * @return 拼接后字符串 7 */ 8 public static String createLinkString(Map<String, Object> params) { 9 10 List<String> keys = new ArrayList<String>(params.keySet()); 11 Collections.sort(keys); 12 13 String prestr = ""; 14 15 for (int i = 0; i < keys.size(); i++) { 16 String key = keys.get(i); 17 Object value = params.get(key); 18 19 if (i == keys.size() - 1) {// 拼接时,不包括最后一个&字符 20 prestr = prestr + key + "=" + value; 21 } else { 22 prestr = prestr + key + "=" + value + "&"; 23 } 24 } 25 26 return prestr; 27 } 28 29
2、页面必须要导入微信所提供的js
1 <script type="text/javascript" src="http://res.wx.qq.com/open/js/jweixin-1.0.0.js"></script>
3、页面必须先通过签名
1 wx.config({ 2 debug : false, 3 appId : ‘${appId}‘, 4 timestamp : ${timestamp}, 5 nonceStr : ‘${nonceStr}‘, 6 signature : ‘${signature}‘, 7 jsApiList : [ ‘checkJsApi‘, ‘onMenuShareTimeline‘, 8 ‘onMenuShareAppMessage‘, ‘onMenuShareQQ‘, ‘onMenuShareWeibo‘, 9 ‘hideMenuItems‘, ‘showMenuItems‘, ‘hideAllNonBaseMenuItem‘, 10 ‘showAllNonBaseMenuItem‘, ‘translateVoice‘, ‘startRecord‘, 11 ‘stopRecord‘, ‘onRecordEnd‘, ‘playVoice‘, ‘pauseVoice‘, 12 ‘stopVoice‘, ‘uploadVoice‘, ‘downloadVoice‘, ‘chooseImage‘, 13 ‘previewImage‘, ‘uploadImage‘, ‘downloadImage‘, 14 ‘getNetworkType‘, ‘openLocation‘, ‘getLocation‘, 15 ‘hideOptionMenu‘, ‘showOptionMenu‘, ‘closeWindow‘, 16 ‘scanQRCode‘, ‘chooseWXPay‘, ‘openProductSpecificView‘, 17 ‘addCard‘, ‘chooseCard‘, ‘openCard‘ ] 18 });
4、执行一些具体的微信提供的东西
wx.ready(function() { }
5、扫一扫(在4中执行)
wx.scanQRCode({
needResult : 1, desc : ‘scanQRCode desc‘, success : function(res) { //alert(JSON.stringify(res)); //alert(res.resultStr);
//获取一个字符串数组取值
var str=res.resultStr.split(","); var str1=str[0]; var str2=str[1];
//post提交方法 $.post(‘‘,{}).success(function(data) {} } });
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原文地址:http://www.cnblogs.com/xyt-0412/p/4625051.html