Java 百度智能云（身份证识别）

第一步:是要拿到access_token这个秘钥。

参数

值

access_token

通过API Key和Secret Key获取的access_token,参考“Access Token获取

”

AIP：https://aip.baidubce.com/oauth/2.0/token?grant_type=client_credentials

static final OkHttpClient HTTP_CLIENT = new OkHttpClient().newBuilder().build();
        MediaType mediaType = MediaType.parse("application/json");
        okhttp3.RequestBody body = okhttp3.RequestBody.create(mediaType, "&client_id="+API_KEY+"&client_secret="+SECRET_KEY);
        Request request = new Request.Builder()
                .url("https://aip.baidubce.com/oauth/2.0/token?grant_type=client_credentials")
                .method("POST", body)
                .addHeader("Content-Type", "application/json")
                .addHeader("Accept", "application/json")
                .build();
        Response response = null;
        try {
            response = HTTP_CLIENT.newCall(request).execute();
        } catch (IOException e) {
            throw new RuntimeException(e);
        }
        //只会调用一次
//        System.out.println(response.body().string());
        try {
            JSONObject jsonObject = JSONObject.parseObject(response.body().string());
            String accessToken = jsonObject.getString("access_token");
            System.out.println("accessToken="+accessToken);

第二步:上传身份证，验证身份证

请求参数:

 // 请求url
                String url = "https://aip.baidubce.com/rest/2.0/ocr/v1/idcard";
                //图片地址
                String filePath = pats;
                System.out.println("filePath=" + filePath);
//            String filePath = "C://Users/29291/Desktop/12.png";
                //String filePath = "https://gulimall-vues.oss-cn-chengdu.aliyuncs.com/11.jpg";
                byte[] imgData = FileUtil.readFileByBytes(filePath);
                String imgStr = Base64Util.encode(imgData);
                String imgParam = URLEncoder.encode(imgStr, "UTF-8");
                //拼接参数
                String param = "id_card_side=" + "back" + "&image=" + imgParam + "&detect_risk=" + "true";
                // 注意这里仅为了简化编码每一次请求都去获取access_token，线上环境access_token有过期时间， 客户端可自行缓存，过期后重新获取。
                String accessTokens = accessToken;
                String result = HttpUtils.post(url, accessTokens, param);
                System.out.println("result=" + result);
                JSONObject jsonObjects = JSONObject.parseObject(result);
                String riskType = jsonObjects.getString("risk_type");
                System.out.println("riskType=" + riskType);
                if (!riskType.equals("normal")) {
                    new File(pats).delete();
                    System.out.println("请上传有效身份证");
                    return R.error("请上传有效身份证");
                }
                //身份证信息
                String name = jsonObjects.getJSONObject("words_result").getJSONObject("姓名").getString("words");
                System.out.println("name=" + name);
                //判断信息是否一致
                if (!name.equals(fullName)) {
                    new File(pats).delete();
                    return R.error("信息错误，请重新认证");
                }
                String nation = jsonObjects.getJSONObject("words_result").getJSONObject("民族").getString("words");
                String address = jsonObjects.getJSONObject("words_result").getJSONObject("住址").getString("words");
                String card = jsonObjects.getJSONObject("words_result").getJSONObject("公民身份号码").getString("words");
                String birthday = jsonObjects.getJSONObject("words_result").getJSONObject("出生").getString("words");
                String sex = jsonObjects.getJSONObject("words_result").getJSONObject("性别").getString("words");
                new File(pats).delete();
                Courier courier1=new Courier();
                courier1.setIdentityStatus("1");
                courier1.setCourierId(courierId);
                courierService.updateCourier(courier1);

参数	是否必选	类型	可选值范围	说明
image	和url二选一	string	-	图像数据，base64编码后进行urlencode，要求base64编码和urlencode后大小不超过4M，最短边至少15px，最长边最大4096px,支持jpg/jpeg/png/bmp格式
url	和image二选一	string	-	图片完整URL，URL长度不超过1024字节，URL对应的图片base64编码后大小不超过4M，最短边至少15px，最长边最大4096px,支持jpg/jpeg/png/bmp格式，当image字段存在时url字段失效请注意关闭URL防盗链
id_card_side	是	string	front/back	-front：身份证含照片的一面 -back：身份证带国徽的一面自动检测身份证正反面，如果传参指定方向与图片相反，支持正常识别，返回参数image_status字段为"reversed_side"
detect_risk	否	string	true/false	是否开启身份证风险类型(身份证复印件、临时身份证、身份证翻拍、修改过的身份证)检测功能，默认不开启，即：false。 - true：开启，请查看返回参数risk_type； - false：不开启
detect_quality	否	string	true/false	是否开启身份证质量类型(边框/四角不完整、头像或关键字段被遮挡/马赛克)检测功能，默认不开启，即：false。 - true：开启，请查看返回参数card_quality； - false：不开启
detect_photo	否	string	true/false	是否检测头像内容，默认不检测。可选值：true-检测头像并返回头像的 base64 编码及位置信息
detect_card	否	string	true/false	是否检测身份证进行裁剪，默认不检测。可选值：true-检测身份证并返回证照的 base64 编码及位置信息

 // 请求url
                String url = "https://aip.baidubce.com/rest/2.0/ocr/v1/idcard";
                //图片地址
                String filePath = pats;
                System.out.println("filePath=" + filePath);
//            String filePath = "C://Users/29291/Desktop/12.png";
                //String filePath = "https://gulimall-vues.oss-cn-chengdu.aliyuncs.com/11.jpg";
                byte[] imgData = FileUtil.readFileByBytes(filePath);
                String imgStr = Base64Util.encode(imgData);
                String imgParam = URLEncoder.encode(imgStr, "UTF-8");
                //拼接参数
                String param = "id_card_side=" + "back" + "&image=" + imgParam + "&detect_risk=" + "true";
                // 注意这里仅为了简化编码每一次请求都去获取access_token，线上环境access_token有过期时间， 客户端可自行缓存，过期后重新获取。
                String accessTokens = accessToken;
                String result = HttpUtils.post(url, accessTokens, param);
                System.out.println("result=" + result);
                JSONObject jsonObjects = JSONObject.parseObject(result);
                String riskType = jsonObjects.getString("risk_type");
                System.out.println("riskType=" + riskType);
                if (!riskType.equals("normal")) {
                    new File(pats).delete();
                    System.out.println("请上传有效身份证");
                    return R.error("请上传有效身份证");
                }
                //身份证信息
                String name = jsonObjects.getJSONObject("words_result").getJSONObject("姓名").getString("words");
                System.out.println("name=" + name);
                //判断信息是否一致
                if (!name.equals(fullName)) {
                    new File(pats).delete();
                    return R.error("信息错误，请重新认证");
                }
                String nation = jsonObjects.getJSONObject("words_result").getJSONObject("民族").getString("words");
                String address = jsonObjects.getJSONObject("words_result").getJSONObject("住址").getString("words");
                String card = jsonObjects.getJSONObject("words_result").getJSONObject("公民身份号码").getString("words");
                String birthday = jsonObjects.getJSONObject("words_result").getJSONObject("出生").getString("words");
                String sex = jsonObjects.getJSONObject("words_result").getJSONObject("性别").getString("words");
                new File(pats).delete();
                Courier courier1=new Courier();
                courier1.setIdentityStatus("1");
                courier1.setCourierId(courierId);
                courierService.updateCourier(courier1);

package com.td.utils;

import java.io.BufferedReader;
import java.io.DataOutputStream;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.URL;
import java.util.List;
import java.util.Map;

/**
 * http 工具类
 */
public class HttpUtils {

    public static String post(String requestUrl, String accessToken, String params)
            throws Exception {
        String contentType = "application/x-www-form-urlencoded";
        return HttpUtils.post(requestUrl, accessToken, contentType, params);
    }

    public static String post(String requestUrl, String accessToken, String contentType, String params)
            throws Exception {
        String encoding = "UTF-8";
        if (requestUrl.contains("nlp")) {
            encoding = "GBK";
        }
        return HttpUtils.post(requestUrl, accessToken, contentType, params, encoding);
    }

    public static String post(String requestUrl, String accessToken, String contentType, String params, String encoding)
            throws Exception {
        String url = requestUrl + "?access_token=" + accessToken;
        return HttpUtils.postGeneralUrl(url, contentType, params, encoding);
    }

    public static String postGeneralUrl(String generalUrl, String contentType, String params, String encoding)
            throws Exception {
        URL url = new URL(generalUrl);
        // 打开和URL之间的连接
        HttpURLConnection connection = (HttpURLConnection) url.openConnection();
        connection.setRequestMethod("POST");
        // 设置通用的请求属性
        connection.setRequestProperty("Content-Type", contentType);
        connection.setRequestProperty("Connection", "Keep-Alive");
        connection.setUseCaches(false);
        connection.setDoOutput(true);
        connection.setDoInput(true);

        // 得到请求的输出流对象
        DataOutputStream out = new DataOutputStream(connection.getOutputStream());
        out.write(params.getBytes(encoding));
        out.flush();
        out.close();

        // 建立实际的连接
        connection.connect();
        // 获取所有响应头字段
        Map<String, List<String>> headers = connection.getHeaderFields();
        // 遍历所有的响应头字段
        for (String key : headers.keySet()) {
            System.err.println(key + "--->" + headers.get(key));
        }
        // 定义 BufferedReader输入流来读取URL的响应
        BufferedReader in = null;
        in = new BufferedReader(
                new InputStreamReader(connection.getInputStream(), encoding));
        String result = "";
        String getLine;
        while ((getLine = in.readLine()) != null) {
            result += getLine;
        }
        in.close();
        System.err.println("result:" + result);
        return result;
    }
}

package com.td.utils;

import java.io.*;

/**
 * 文件读取工具类
 */
public class FileUtil {

    /**
     * 读取文件内容，作为字符串返回
     */
    public static String readFileAsString(String filePath) throws IOException {
        File file = new File(filePath);
        if (!file.exists()) {
            throw new FileNotFoundException(filePath);
        }

        if (file.length() > 1024 * 1024 * 1024) {
            throw new IOException("File is too large");
        }

        StringBuilder sb = new StringBuilder((int) (file.length()));
        // 创建字节输入流
        FileInputStream fis = new FileInputStream(filePath);
        // 创建一个长度为10240的Buffer
        byte[] bbuf = new byte[10240];
        // 用于保存实际读取的字节数
        int hasRead = 0;
        while ( (hasRead = fis.read(bbuf)) > 0 ) {
            sb.append(new String(bbuf, 0, hasRead));
        }
        fis.close();
        return sb.toString();
    }

    /**
     * 根据文件路径读取byte[] 数组
     */
    public static byte[] readFileByBytes(String filePath) throws IOException {
        File file = new File(filePath);
        if (!file.exists()) {
            throw new FileNotFoundException(filePath);
        } else {
            ByteArrayOutputStream bos = new ByteArrayOutputStream((int) file.length());
            BufferedInputStream in = null;

            try {
                in = new BufferedInputStream(new FileInputStream(file));
                short bufSize = 1024;
                byte[] buffer = new byte[bufSize];
                int len1;
                while (-1 != (len1 = in.read(buffer, 0, bufSize))) {
                    bos.write(buffer, 0, len1);
                }

                byte[] var7 = bos.toByteArray();
                return var7;
            } finally {
                try {
                    if (in != null) {
                        in.close();
                    }
                } catch (IOException var14) {
                    var14.printStackTrace();
                }

                bos.close();
            }
        }
    }
}

package com.td.utils;

/**
 * Base64 工具类
 */
public class Base64Util {
    private static final char last2byte = (char) Integer.parseInt("00000011", 2);
    private static final char last4byte = (char) Integer.parseInt("00001111", 2);
    private static final char last6byte = (char) Integer.parseInt("00111111", 2);
    private static final char lead6byte = (char) Integer.parseInt("11111100", 2);
    private static final char lead4byte = (char) Integer.parseInt("11110000", 2);
    private static final char lead2byte = (char) Integer.parseInt("11000000", 2);
    private static final char[] encodeTable = new char[]{'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z', 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z', '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', '+', '/'};

    public Base64Util() {
    }

    public static String encode(byte[] from) {
        StringBuilder to = new StringBuilder((int) ((double) from.length * 1.34D) + 3);
        int num = 0;
        char currentByte = 0;

        int i;
        for (i = 0; i < from.length; ++i) {
            for (num %= 8; num < 8; num += 6) {
                switch (num) {
                    case 0:
                        currentByte = (char) (from[i] & lead6byte);
                        currentByte = (char) (currentByte >>> 2);
                    case 1:
                    case 3:
                    case 5:
                    default:
                        break;
                    case 2:
                        currentByte = (char) (from[i] & last6byte);
                        break;
                    case 4:
                        currentByte = (char) (from[i] & last4byte);
                        currentByte = (char) (currentByte << 2);
                        if (i + 1 < from.length) {
                            currentByte = (char) (currentByte | (from[i + 1] & lead2byte) >>> 6);
                        }
                        break;
                    case 6:
                        currentByte = (char) (from[i] & last2byte);
                        currentByte = (char) (currentByte << 4);
                        if (i + 1 < from.length) {
                            currentByte = (char) (currentByte | (from[i + 1] & lead4byte) >>> 4);
                        }
                }

                to.append(encodeTable[currentByte]);
            }
        }

        if (to.length() % 4 != 0) {
            for (i = 4 - to.length() % 4; i > 0; --i) {
                to.append("=");
            }
        }

        return to.toString();
    }
}

Java 百度智能云（身份证识别）

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