阿里云OCR身份证信息识别

阿里云OCR身份证信息识别

这里使用的是base64

public JSONObject getCard(MultipartFile file) {
        String host = "https://ccic.market.alicloudapi.com";
        String path = "/discern/idcard";
        String method = "POST";
        String appcode = "自己的appCode";

        //生成文件的唯一id
        String fileId =  UUID.randomUUID().toString().replace("-","");

        //获取文件后缀
        String fileSuffix = file.getName().substring(file.getName().lastIndexOf(".")+1);

		//生成文件的最终名称
        String finalName = fileId + "." + fileSuffix;

        try {
            //保存文件到指定目录
            String fileSavePath = "D:/upload/";
            File newFile = new File(fileSavePath + finalName);
            file.transferTo(newFile);
            //url = "http://127.0.0.1/static/" + finalName;
            //System.out.println(url);
            String filePath = fileSavePath + finalName;
            String base64 = ImageToBase64(filePath);
            Map headers = new HashMap();
            //最后在header中的格式(中间是英文空格)为Authorization:APPCODE 83359fd73fe94948385f570e3c139105
            headers.put("Authorization", "APPCODE " + appcode);
            //根据API的要求，定义相对应的Content-Type
            headers.put("Content-Type", "application/json; charset=UTF-8");
            Map querys = new HashMap();
            String bodys = "{\"Base64Data\":"+'"'+ base64 +'"'+ ",\"Category\":\"front\"}";
            //String bodys ="{\"ImageUrl\":"+'"'+ url +'"'+",\"Category\":\"front\"}";

            //System.out.println(bodys);

            try {
                /**
                 * 重要提示如下:
                 * HttpUtils请从
                 * https://github.com/aliyun/api-gateway-demo-sign-java/blob/master/src/main/java/com/aliyun/api/gateway/demo/util/HttpUtils.java
                 * 下载
                 *
                 * 相应的依赖请参照
                 * https://github.com/aliyun/api-gateway-demo-sign-java/blob/master/pom.xml
                 */
                HttpResponse response = HttpUtils.doPost(host, path, method, headers, querys, bodys);
                JSONObject jsonObject = JSONObject.parseObject(EntityUtils.toString(response.getEntity()));
                //Object json = JSONObject.toJSON(code);
                System.out.println(jsonObject);
                return jsonObject;
            } catch (Exception e) {
                e.printStackTrace();
            }
        } catch (IOException e) {
            e.printStackTrace();
        }
        return null;
    }

    /**
     * 本地图片转换Base64的方法
     *
     * @param imgPath     
     * @return
     */

    private static String ImageToBase64(String imgPath) {
        byte[] data = null;
        // 读取图片字节数组
        try {
            InputStream in = new FileInputStream(imgPath);
            data = new byte[in.available()];
            in.read(data);
            in.close();
        } catch (IOException e) {
            e.printStackTrace();
        }
        // 对字节数组Base64编码
        BASE64Encoder encoder = new BASE64Encoder();
        // 返回Base64编码过的字节数组字符串
        //System.out.println("本地图片转换Base64:" + encoder.encode(Objects.requireNonNull(data)));
        return encoder.encode(Objects.requireNonNull(data));
    }