微信端图片上传方式2

调用微信接口JS-SDK方式

前台代码:

<div class="link_cameraB">
            <img class="link_camera" data-up="img" src="img/all/link_camera.png" id="infoByOCR" onclick="photo(1)"   >点击时调用方法photo(type)
</div>

JS代码

 function link_init() {
    CompareVersion();
    var wxopenid = getcookie("wxopenid");
    var access_code = GetQueryString("code");
    if (wxopenid == "" || wxopenid == null || wxopenid == "null") {
        var fromurl = location.href;
        if (access_code == null) {
            var url = "https://open.weixin.qq.com/connect/oauth2/authorize?appid="
                    + getAppId()
                    + "&redirect_uri="
                    + encodeURIComponent(fromurl)
                    + "&response_type=code&scope=snsapi_base&state=STATE%23wechat_redirect&connect_redirect=1#wechat_redirect";
            location.href = url;
        } else {
            $.ajax({
                type : "get",
                url : "/suyi/open/getOpenId.shtml",
                async : false,
                cache : false,
                data : {
                    code : access_code
                },
                dataType : "json",
                success : function(result) {
                    if (result != null && result.result == 1) {
                        addcookie("wxopenid", result.openId, 360000);
                        $("#openId").val(result.openId);
                        init();
                    } else {
                        location.href = fromurl;
                    }
                }
            });
        }
    } else {
        $("#openId").val(wxopenid);
        init();
    }//用于微信openid的获取 

    var link = location.href;
    $.ajax({
        type : "get",
        url : "/suyi/open/getSign.shtml",
        async : false,
        cache : false,
        data : {
            link : link
        },
        dataType : "json",
        success : function(result) {
            if (result != null && result.result == 1) {
                wx.config({
                    debug : false,
                    appId : result.appId,
                    timestamp : result.sign.timestamp,
                    nonceStr : result.sign.nonceStr,
                    signature : result.sign.signature,
                    jsApiList : [ "checkJsApi", "onMenuShareTimeline",
                            "onMenuShareAppMessage", "onMenuShareQQ",
                            "onMenuShareWeibo", "onMenuShareQZone",
                            "hideMenuItems", "showMenuItems",
                            "hideAllNonBaseMenuItem", "showAllNonBaseMenuItem",
                            "translateVoice", "startRecord", "stopRecord",
                            "onVoiceRecordEnd", "playVoice", "onVoicePlayEnd",
                            "pauseVoice", "stopVoice", "uploadVoice",
                            "downloadVoice", "chooseImage", "previewImage",
                            "uploadImage", "downloadImage", "getNetworkType",
                            "openLocation", "getLocation", "hideOptionMenu",
                            "showOptionMenu", "closeWindow", "scanQRCode",
                            "chooseWXPay", "openProductSpecificView",
                            "addCard", "chooseCard", "openCard" ]
                });
            } else {
                alert("u9875u9762u52a0u8f7du5931u8d25");
            }
        },
        error : function(data) {
            alert("u8fdeu63a5u5931u8d25uff01");
        }
    });
}　　//获得微信接口一些功能的授权
            
function init() {
    // fastclick,使移动端点击没有延迟
    FastClick.attach(document.body);
    
}
function photo(type) {
    var images = {
        localId : [],
        serverId : []
    };
    wx.chooseImage({
        count : 1,
        sizeType : [ "original", "compressed" ],
        sourceType : [ "album", "camera" ],
        success : function(res) {
            var localIds = res.localIds;
            images.localId = res.localIds;
            var i = 0, length = images.localId.length;
            function upload() {
                wx.uploadImage({
                    localId : images.localId[i].toString(),
                    success : function(res) {
                        i++;
                        images.serverId.push(res.serverId);
                        var indata = {
                            "media_id" : res.serverId,
                            114                         };
                        $.post("/suyi/open/getPhoto.shtml", indata, function(
                                data) {
                            if (data.result == 0) {
                                alert("u63d0u4ea4u5931u8d25");
                            } else if(data.result==1) {
                              var path = data.path  //获得传回来的地址
                            } 137                             
                        }, "json");
                        if (i < length) {
                            upload();
                        }
                    },
                    fail : function(res) {
                        alert(JSON.stringify(res));
                    }
                });
            }
            upload();
        }
    });
}

后台代码：

// TODO 微信端上传图片
    @RequestMapping(value = "/getPhoto", method = RequestMethod.POST)
    @ResponseBody
    public Object getPhoto(String media_id,String ocr,HttpServletRequest request,
            HttpServletResponse response) throws NoSuchAlgorithmException {
        String requestUrl = "https://api.weixin.qq.com/cgi-bin/media/get?access_token="
                + WeixinUtil.getAccessToken() + "&media_id=" + media_id;
        InputStream inputStream = null;
        String saveFileName = null;
        PrintWriter writer = null;
        JSONObject obj = new JSONObject();
        try {
            writer = response.getWriter();
            URL url = new URL(requestUrl);
            HttpURLConnection httpUrlConn = (HttpURLConnection) url
                    .openConnection();
            httpUrlConn.setDoOutput(false);
            httpUrlConn.setDoInput(true);
            httpUrlConn.setUseCaches(false);
            httpUrlConn.setRequestMethod("POST");
            httpUrlConn.connect();
            // 将返回的输入流转换成字符串
            inputStream = httpUrlConn.getInputStream();
            byte[] data = new byte[1024];
            int len = 0;
            FileOutputStream fileOutputStream = null;
            saveFileName = System.currentTimeMillis()
                    + RandomStringUtils.random(6, true, true) + ".jpg";
            Date date = new Date();
            String datePath = format.format(date);
            String upload = "D:\suyi\photo\" + datePath + "\";
            String path = upload + saveFileName;
            File dir = new File(upload);
            if (!dir.exists()) {
                FileUtils.forceMkdir(dir);
            }
            try {
                fileOutputStream = new FileOutputStream(path);
                while ((len = inputStream.read(data)) != -1) {
                    fileOutputStream.write(data, 0, len);
                }
                fileOutputStream.flush();
            } catch (IOException e) {
                e.printStackTrace();
            } finally {
                if (inputStream != null) {
                    try {
                        inputStream.close();
                    } catch (IOException e) {
                        e.printStackTrace();
                    }
                    
                }
                if (fileOutputStream != null) {
                    try {
                        fileOutputStream.close();
                    } catch (IOException e) {
                        e.printStackTrace();
                    }
                }
            }
            String Path="/suyi/showImage?imgId=" + datePath + "_"
                    + saveFileName;
            obj.put("result", 1);
            obj.put("path", Path);
            
        } catch (Exception e) {
            e.printStackTrace();
            obj.put("result", 0);
        } finally {
            writer.print(obj);
            if (writer != null) {
                writer.close();
            }
        }
        return null;
    }