1 $(function (){
 2     wx.config({
 3         debug: true, // 开启调试模式,调用的所有api的返回值会在客户端alert出来,测试完成后需要关闭。
 4         appId: $(‘#appId‘).val(), // 必填，公众号的唯一标识
 5         timestamp: $(‘#timestamp‘).val(), // 必填，生成签名的时间戳
 6         nonceStr: $(‘#nonceStr‘).val(), // 必填，生成签名的随机串
 7         signature: $(‘#signature‘).val(),// 必填，签名（加密后，下文有实现）
 8         jsApiList: [‘chooseImage‘, ‘uploadImage‘] // 必填，需要使用的JS接口列表，开发文档上有所有接口名称，根据需要选用就好。
 9     });
10 });
11  
12  
13 function openCamera(){
14     wx.chooseImage({
15         count: 1, // 默认9
16         sizeType: [‘original‘, ‘compressed‘], // 指定是原图还是压缩图，默认都有
17         sourceType: [‘album‘, ‘camera‘], // 指定来源是相册还是相机，默认都有
18         success: function (res) {
19             var localIds = res.localIds; // 返回选定照片的本地ID列表，localId可以作为img标签的src属性显示图片
20             wx.uploadImage({
21                 localId: localIds.toString(), // 需要上传的图片的ID，由chooseImage接口获得
22                 isShowProgressTips: 1, // 进度提示
23                 success: function (res) {
24                     var mediaId = res.serverId; // 返回图片的服务器端ID，即mediaId
25                     //将获取到的 mediaId 传入后台 方法savePicture
26                     $.post(path+"/getImage/savePicture",{"mediaId":mediaId,"tmp":"填写证件的正反面参数"},function(res){
27                         //填写你自己的业务逻辑
28                     });
29                 },
30                 fail: function (res) {
31                     alertModal(‘图片上传失败，请重试‘);
32                 }
33             }); 
34         }
35     });
36 }

 1 //-------------------------初始化js-sdk--------begin----------------------------
 2         SortedMap<Object, Object> params = new TreeMap<Object, Object>();
 3         String access_token = WechatAppUtil.getAccessToken(appid,appSecret);// 建议放redis放缓存中（access_token ）
 4         String jsapi_ticket = WechatAppUtil.getJsapiTicket(access_token);
 5         String noncestr = WechatSignUtil.getNonceStr();
 6         String timestamp = WechatSignUtil.getTimestamp();
 7         params.put("noncestr", noncestr);
 8         params.put("jsapi_ticket", jsapi_ticket);
 9         params.put("timestamp", timestamp);
10         StringBuffer url = cRequest.getRequestURL();
11         Enumeration<String> headerNames = cRequest.getHeaderNames();
12             if (headerNames != null) {
13                 while (headerNames.hasMoreElements()) {
14                     String header = headerNames.nextElement();
15                     log.info("Header: {}， Value={}", header, cRequest.getHeader(header));
16                 }
17             }
18             String httpFlag = cRequest.getHeader("X-Forwarded-Proto");
19             if (httpFlag != null && httpFlag.equals("https")) {
20                 url.replace(0, 5, "https");
21             }
22             String queryString = cRequest.getQueryString();
23             log.info("queryString={}", queryString);
24             if (StringUtil.isNotEmpty(queryString)) {
25                 url.append("?").append(cRequest.getQueryString());
26             }
27         params.put("url", url.toString());
28         log.info("url---------------->:"+url.toString());
29         String sign = WechatSignUtil.createSignBySha1(params);
30         log.info("sign---------------->:"+sign);
31         //-------------------------初始化js-sdk--------end----------------------------
32         ModelAndView tView = new ModelAndView(LoginPageConstant.STAFF_REGIST2);
33         tView.addObject("appId", appid);
34         tView.addObject("timestamp", timestamp);
35         tView.addObject("nonceStr", noncestr);
36         tView.addObject("signature", sign); return tView; 

  1 /**
  2     * @Title: getAccessToken
  3     * @Description: 获取公众号access_token
  4     * @param @param appId
  5     * @param @param appSecret
  6     * @param @return    
  7     * @return String    返回类型
  8     * @throws
  9     */
 10     public static String getAccessToken(String appId,String appSecret){
 11         final String param = "grant_type=client_credential" + "&appid=" + appId + "&secret=" + appSecret;
 12         final String data = HttpClientUtil.get(GET_ACCESS_TOKEN_PATH, param);
 13         JSONObject resultJson = JSON.parseObject(data);
 14         String access_token = resultJson.getString("access_token");
 15         return access_token;
 16     }
 17     
 18     /**
 19      * 
 20     * @Title: getJsapiTicket
 21     * @Description: 获取JsapiTicket
 22     * @param @param access_token
 23     * @param @return    
 24     * @return String    返回类型
 25     * @throws
 26      */
 27     public static String getJsapiTicket(String access_token){
 28         final String param = "access_token="+access_token+ "&type=jsapi";
 29         final String data = HttpClientUtil.get(GET_JSAPI_TICKET, param);
 30         JSONObject resultJson = JSON.parseObject(data);
 31         String jsapi_ticket = resultJson.getString("ticket");
 32         return jsapi_ticket;
 33     }/**
 34      * 
 35     * @Title: getNonceStr
 36     * @Description: 生成随机字符串
 37     * @param @return    
 38     * @return String    返回类型
 39     * @throws
 40      */
 41     public static String getNonceStr() {
 42         String currT = getCurrTime();  
 43         String strT = currT.substring(8, currT.length());  
 44         String strRandom = buildRandom(4) + "";  
 45         return strT + strRandom;
 46     }
 47  
 48  
 49     /**
 50      * 
 51     * @Title: buildRandom
 52     * @Description: 生成随机数
 53     * @param @param length
 54     * @param @return    
 55     * @return int    返回类型
 56     * @throws
 57      */
 58     public static int buildRandom(int length) {  
 59         int mm= 1;  
 60         double random = Math.random();  
 61         if (random < 0.1) {  
 62             random = random + 0.1;  
 63         }  
 64         for (int i = 0; i < length; i++) {  
 65             mm= mm* 10;  
 66         }  
 67         return (int) ((random * mm));  
 68     }
 69  
 70  
 71     /**
 72      * 
 73     * @Title: getCurrTime
 74     * @Description: 获取当前时间
 75     * @param @return    
 76     * @return String    返回类型
 77     * @throws
 78      */
 79      public static String getCurrTime() {  
 80             Date date = new Date();  
 81             SimpleDateFormat of= new SimpleDateFormat("yyyyMMddHHmmss");  
 82             String s = of.format(date);  
 83             return s;  
 84      } 
 85     
 86     /**
 87      * 
 88     * @Title: createSignBySha1
 89     * @Description: 生成签名
 90     * @param @param params
 91     * @param @return    
 92     * @return String    返回类型
 93     * @throws
 94      */
 95     @SuppressWarnings("rawtypes")
 96     public static String createSignBySha1(SortedMap<Object, Object> params) {
 97         StringBuffer sb = new StringBuffer();
 98         Set es = params.entrySet();
 99         Iterator it = es.iterator();
100         while (it.hasNext()) {
101             Map.Entry entry = (Map.Entry) it.next();
102             String k = (String) entry.getKey();
103             String v = (String) entry.getValue();
104             if (v != null && !v.equals("")) {
105                 sb.append(k + "=" + v + "&");
106             }
107         } 
108         String result = sb.toString().substring(0, sb.toString().length()-1);
109         return getSHA1(result);
110     }
111     /**
112      * 
113     * @Title: getTimestamp
114     * @Description: 获取时间戳(秒)
115     * @param @return    参数
116     * @return String    返回类型
117     * @throws
118      */
119     public static String getTimestamp() {
120         return String.valueOf(System.currentTimeMillis() / 1000);
121         }
122     
123     
124     /**
125      * 
126     * @Title: getSHA1
127     * @Description: SHA1签名生成
128     * @param @param str
129     * @param @return    参数
130     * @return String    返回类型
131     * @throws
132      */
133      public static String getSHA1(String str){
134         StringBuffer hexstr = new StringBuffer();
135         try {
136             MessageDigest md = MessageDigest.getInstance("SHA-1");
137             md.update(str.getBytes());
138                 byte[] digest = md.digest();
139                 String shaHex = "";
140                 for (int i = 0; i < digest.length; i++) {
141                     shaHex = Integer.toHexString(digest[i] & 0xFF);
142                     if (shaHex.length() < 2) {
143                         hexstr.append(0);
144                     }
145                     hexstr.append(shaHex);
146                 }
147         } catch (NoSuchAlgorithmException e) {
148             e.printStackTrace();
149         }
150         return hexstr.toString();
151     }

  1 /**
  2      * 
  3     * @Title: savePicture
  4     * @Description: 接收图片
  5     * @param @param request
  6     * @param @return    
  7     * @return String    返回类型
  8     * @throws
  9      */
 10     @ResponseBody
 11     @RequestMapping("/savePicture")
 12     public String savePicture(HttpServletRequest request) {
 13         String mediaId = request.getParameter("mediaId");
 14         String tmp = request.getParameter("tmp");
 15         String filename = saveImageToDisk(mediaId,tmp,request);
 16         log.info("filename----------->:"+filename);
 17         return "success";
 18     }
 19     
 20     /**
 21      * 
 22     * @Title: saveImageToDisk
 23     * @Description: 存盘
 24     * @param @param mediaId
 25     * @param @return    
 26     * @return String    返回类型
 27     * @throws
 28      */
 29     private String saveImageToDisk(String mediaId,String tmp,HttpServletRequest request){
 30         String filename = "";
 31         InputStream inputStream = getMedia(mediaId);
 32         byte[] data = new byte[1024];
 33         int len = 0;
 34         FileOutputStream fileOutputStream = null;
 35         try {
 36             //服务器存图路径
 37             String path = request.getServletContext().getRealPath("你需要存放的服务器路径");
 38             filename = System.currentTimeMillis() + WechatSignUtil.getNonceStr() + ".jpg";
 39             fileOutputStream = new FileOutputStream(path + filename);
 40             while ((len = inputStream.read(data)) != -1) {
 41                 fileOutputStream.write(data, 0, len);
 42             }
 43             WeChatUser idCardMsg = getIdCardMsg(tmp,path + filename);
 44         } catch (IOException e) {
 45             e.printStackTrace();
 46         } finally {
 47             if (inputStream != null) {
 48                 try {
 49                     inputStream.close();
 50                 } catch (IOException e) {
 51                     e.printStackTrace();
 52                 }
 53             }
 54             if (fileOutputStream != null) {
 55                 try {
 56                     fileOutputStream.close();
 57                 } catch (IOException e) {
 58                     e.printStackTrace();
 59                 }
 60             }
 61         }
 62         return filename;
 63     }
 64     
 65     /**
 66      * 
 67     * @Title: getMedia
 68     * @Description: 获取图片
 69     * @param @param mediaId
 70     * @param @return    参数
 71     * @return InputStream    返回类型
 72     * @throws
 73      */
 74     private InputStream getMedia(String mediaId) {
 75         String url = "https://api.weixin.qq.com/cgi-bin/media/get";
 76         String access_token = WechatAppUtil.getAccessToken("**********","*************");
 77         String params = "access_token=" + access_token + "&media_id=" + mediaId;
 78            InputStream is = null;
 79            try {
 80             String urlNameString = url + "?" + params;
 81                URL urlGet = new URL(urlNameString);
 82                HttpURLConnection http = (HttpURLConnection) urlGet.openConnection();
 83                http.setRequestMethod("GET"); // 必须是get方式请求
 84                http.setRequestProperty("Content-Type","application/x-www-form-urlencoded");
 85                http.setDoOutput(true);
 86                http.setDoInput(true);
 87                http.connect();
 88                // 获取文件转化为byte流
 89                is = http.getInputStream();
 90            } catch (Exception e) {
 91                e.printStackTrace();
 92            }
 93         return is;
 94     }
 95     
 96     /**
 97      * 
 98     * @Title: getIdCardMsg
 99     * @Description: 
100     * @param @param tmp 
101     * @param @param imgUrl 图片路径
102     * @param @return    
103     * @return WeChatUser    返回类型
104     * @throws
105      */
106     private WeChatUser getIdCardMsg(String tmp,String imgUrl){
107     // 初始化一个AipOcr
108         AipOcr client = new AipOcr(APP_ID, API_KEY, SECRET_KEY);
109     // 可选：设置网络连接参数
110         client.setConnectionTimeoutInMillis(2000);
111         client.setSocketTimeoutInMillis(60000);
112         // 传入可选参数调用接口
113     HashMap<String, String> options = new HashMap<String, String>();
114     options.put("detect_direction", "true");
115     options.put("detect_risk", "false");
116     String idCardSide = tmp;
117     // 参数为图片路径
118     String image = imgUrl;
119     JSONObject res = client.idcard(image, idCardSide, options);
120     具体返回信息处理请参考开发文档:https://cloud.baidu.com/doc/OCR/OCR-Java-SDK.html#.E6.8E.A5.E5.8F.A3.E8.83.BD.E5.8A.9B
121     }