java 百度api人脸识别功能（人脸识别+详细案例+接口及所需工具类）

最近开发过程中需要用到人脸识别认证功能，然后就用的是百度API接口进行开发，起初设想用直接用人脸识别还是用注册到百度人脸库识别两种方法，为了简化开发直接就用了第一种方式；

直接上业务逻辑代码吧；

• pom.xml

 <!-- https://mvnrepository.com/artifact/org.apache.httpcomponents/httpclient -->
        <dependency>
            <groupId>org.apache.httpcomponents</groupId>
            <artifactId>httpclient</artifactId>
            <version>4.5.3</version>
        </dependency>
         <dependency>
            <groupId>com.alibaba</groupId>
            <artifactId>fastjson</artifactId>
            <version>1.2.36</version>
        </dependency>
        <dependency>
            <groupId>com.baidu.aip</groupId>
            <artifactId>java-sdk</artifactId>
            <version>4.12.0</version>
        </dependency>
        <!-- https://mvnrepository.com/artifact/com.google.code.gson/gson -->
        <dependency>
            <groupId>com.google.code.gson</groupId>
            <artifactId>gson</artifactId>
            <version>2.8.5</version>
        </dependency>

• 工具类

FileUtil工具类

package uitil;

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();
            }
        }
    }

}

HttpUtil工具类

package uitil;

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

Base64Util工具类

package uitil;
/**
 * 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);

                        }
                        break;
                }

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

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

        return to.toString();
    }
}

GsonUtils工具类是解析json的工具类，我没有用他的，我用的是阿里的json的jar包解析的，你们想用也可以用

package uitil;

import com.google.gson.Gson;
import com.google.gson.GsonBuilder;
import com.google.gson.JsonParseException;

import java.lang.reflect.Type;
/**
 * Json工具类.
 */
public class GsonUtils {
    
    
    private static Gson gson = new GsonBuilder().create();

    public static String toJson(Object value) {
    
    
        return gson.toJson(value);
    }

    public static <T> T fromJson(String json, Class<T> classOfT) throws JsonParseException {
    
    
        return gson.fromJson(json, classOfT);
    }

    public static <T> T fromJson(String json, Type typeOfT) throws JsonParseException {
    
    
        return (T) gson.fromJson(json, typeOfT);
    }

}

**

• controller类

package uitil.controller;

import com.alibaba.fastjson.JSONObject;
import uitil.Base64Util;
import uitil.FileUtil;
import uitil.GsonUtils;
import uitil.HttpUtil;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import static uitil.controller.FaceController.getAuth;

/**
 * @author : 宋银义
 * @date : 2020-07-02 17:41
 **/
public class FaceMatch {
    
    
    /**
     * 重要提示代码中所需工具类
     * FileUtil,Base64Util,HttpUtil,GsonUtils请从
     * https://ai.baidu.com/file/658A35ABAB2D404FBF903F64D47C1F72
     * https://ai.baidu.com/file/C8D81F3301E24D2892968F09AE1AD6E2
     * https://ai.baidu.com/file/544D677F5D4E4F17B4122FBD60DB82B3
     * https://ai.baidu.com/file/470B3ACCA3FE43788B5A963BF0B625F3
     * 下载
     */
    public static String match(String ak, String sk, String imgPath1, String imgPath2) {
    
    
        // 请求url
        String url = "https://aip.baidubce.com/rest/2.0/face/v3/match";
        try {
    
    
            // 【本地文件1地址】
            byte[] bytes1 = FileUtil.readFileByBytes(imgPath1);
            // 【本地文件2地址】
            byte[] bytes2 = FileUtil.readFileByBytes(imgPath2);
            String image1 = Base64Util.encode(bytes1);
            String image2 = Base64Util.encode(bytes2);
            System.err.println("img:=="+image1);
            List<Map<String, Object>> images = new ArrayList<>();

            Map<String, Object> map1 = new HashMap<>();
            map1.put("image", image1);
            map1.put("image_type", "BASE64");
            map1.put("face_type", "LIVE");
            map1.put("quality_control", "LOW");
            map1.put("liveness_control", "NONE");

            Map<String, Object> map2 = new HashMap<>();
            map2.put("image", image2);
            map2.put("image_type", "BASE64");
            map2.put("face_type", "LIVE");
            map2.put("quality_control", "LOW");
            map2.put("liveness_control", "NONE");

            images.add(map1);
            images.add(map2);

            String param = GsonUtils.toJson(images);

            // 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。
            // 【调用鉴权接口获取的token】
            String accessToken = getAuth();

            String result = HttpUtil.post(url, accessToken, "application/json", param);
            return result;
        } catch (Exception e) {
    
    
            e.printStackTrace();
        }
        return null;
    }

    public static void main(String[] args) {
    
    
        String filePath = "C:\\Users\\Administrator\\Downloads\\";
        String ak = "PSce6Sxxx";
        String sk = "fvzwcYociG2xx";
        String imgPath1 = filePath + "2.jpg";
        String imgPath2 = filePath + "3.jpg";
        String result1 = FaceMatch.match(ak, sk, imgPath1, imgPath2);
        System.out.println("对比结果为：" + result1);
        JSONObject jsonObject = JSONObject.parseObject(result1);
        String result = jsonObject.getString("result");
        if (result != null) {
    
    
            JSONObject jsonObject1 = JSONObject.parseObject(result);
            String score = jsonObject1.getString("score");
            System.err.println("score:=="+score);
            }
//        System.out.println("相似度："+score);
        }

}

上面就是我的第一种方式，下面是用百度Api人脸库的方式

• controller类

package uitil.controller;

import com.alibaba.fastjson.JSONArray;
import com.alibaba.fastjson.JSONObject;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;
import uitil.GsonUtils;
import uitil.HttpUtil;
import javax.servlet.http.HttpServletRequest;
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.URL;
import java.util.Date;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

@Controller
public class FaceController {
    
    
    public static  final String API_Key = "FT0WbhAaxxx";
    public static  final String Secret_Key = "OVC2rxIROkWxxxx";
    String img1 = 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";
    @GetMapping("/faceRegister")
    @ResponseBody
    public String FaceRegister(HttpServletRequest request){
    
    
        System.out.println("---------faceregister-------");
        String image = request.getParameter("base");
        System.out.println(image);
        String result = add(img1);
        System.out.println("-----人脸注册成功");
        return result;
    }
    @RequestMapping("/facelogin")
    @ResponseBody
    public HashMap<String, String>  FaceLogin(HttpServletRequest request){
    
    
        String image = request.getParameter("base");
        HashMap<String, String> map = new HashMap<>();
        String msg = faceSearch(img1);
        JSONObject jsonObject = JSONObject.parseObject(msg);
        String result = jsonObject.getString("result");
        if (result!=null){
    
    
            JSONObject jsonObject1 = JSONObject.parseObject(result);
            String user_list = jsonObject1.getString("user_list");
            System.err.println("msg:==="+user_list);
            JSONArray jsonArray = JSONObject.parseArray(user_list);

            //遍历方式1
            int size = jsonArray.size();
            for (int i = 0; i < size; i++){
    
    
                JSONObject jsonObject3 = jsonArray.getJSONObject(i);
                System.out.println("score:"+jsonObject3.getString("score")+"=======user_id:"+jsonObject3.getString("user_id"));
                map.put("score",jsonObject3.getString("score"));
                map.put("success","true");
            }
        }else {
    
    
            map.put("score","");
            map.put("success","false");
        }
//        System.out.println("相似度："+score);
        return map;
    }

    /**
     * 重要提示代码中所需工具类
     * FileUtil,Base64Util,HttpUtil,GsonUtils请从
     * https://ai.baidu.com/file/658A35ABAB2D404FBF903F64D47C1F72
     * https://ai.baidu.com/file/C8D81F3301E24D2892968F09AE1AD6E2
     * https://ai.baidu.com/file/544D677F5D4E4F17B4122FBD60DB82B3
     * https://ai.baidu.com/file/470B3ACCA3FE43788B5A963BF0B625F3
     * 下载
     * map.put(“image”, img1);
     * 注意我们传入的参数img1 已经在前台传输的过程中转化为base64
     */
    public static String faceSearch(String img1) {
    
    
        // 请求url
        String url = "https://aip.baidubce.com/rest/2.0/face/v3/search";
        try {
    
    
            Map<String, Object> map = new HashMap<>();
            map.put("image", img1);
            map.put("liveness_control", "NONE");
            //Face_upload为当初人脸组的名字
            map.put("group_id_list", "syy123");
            map.put("image_type", "BASE64");
            map.put("quality_control", "LOW");

            String param = GsonUtils.toJson(map);

            // 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 accessToken = getAuth();

            String result = HttpUtil.post(url, accessToken, "application/json", param);
            System.out.println(result);

            return result;
        } catch (Exception e) {
    
    
            e.printStackTrace();
        }
        return null;
    }

    public static String getAuth() {
    
    
        // 官网获取的 API Key 更新为你注册的
        String clientId = API_Key;
        // 官网获取的 Secret Key 更新为你注册的
        String clientSecret = Secret_Key;
        return getAuth(clientId, clientSecret);
    }

    /**
     * 获取API访问token
     * 该token有一定的有效期，需要自行管理，当失效时需重新获取.
     * @param ak - 百度云官网获取的 API Key
     * @param sk - 百度云官网获取的 Securet Key
     * @return assess_token 示例：
     * "24.460da4889caad24cccdb1fea17221975.2592000.1491995545.282335-1234567"
     */
    public static String getAuth(String ak, String sk) {
    
    
        // 获取token地址
        String authHost = "https://aip.baidubce.com/oauth/2.0/token?";
        String getAccessTokenUrl = authHost
                // 1. grant_type为固定参数
                + "grant_type=client_credentials"
                // 2. 官网获取的 API Key
                + "&client_id=" + ak
                // 3. 官网获取的 Secret Key
                + "&client_secret=" + sk;
        try {
    
    
            URL realUrl = new URL(getAccessTokenUrl);
            // 打开和URL之间的连接
            HttpURLConnection connection = (HttpURLConnection) realUrl.openConnection();
            connection.setRequestMethod("GET");
            connection.connect();
            // 获取所有响应头字段
            Map<String, List<String>> map = connection.getHeaderFields();
            // 遍历所有的响应头字段
            for (String key : map.keySet()) {
    
    
                System.err.println(key + "--->" + map.get(key));
            }
            // 定义 BufferedReader输入流来读取URL的响应
            BufferedReader in = new BufferedReader(new InputStreamReader(connection.getInputStream()));
            String result = "";
            String line;
            while ((line = in.readLine()) != null) {
    
    
                result += line;
            }
            /**
             * 返回结果示例
             */
            System.err.println("result:" + result);
            JSONObject jsonObject = JSONObject.parseObject(result);
            String access_token = jsonObject.getString("access_token");
            return access_token;
        } catch (Exception e) {
    
    
            System.err.printf("获取token失败！");
            e.printStackTrace(System.err);
        }
        return null;
    }
    public static String add(String img1) {
    
    
        // 请求url
        long time = new Date().getTime();
        String url = "https://aip.baidubce.com/rest/2.0/face/v3/faceset/user/add";
        try {
    
    
            Map<String, Object> map = new HashMap<>();
            map.put("image", img1);
            //Face_upload为当初人脸组的名字
            map.put("group_id", "syy123");
            //user2为指定上传的名称可任意
            map.put("user_id", time);
            map.put("user_info", time);

            map.put("image_type", "BASE64");


            String param = GsonUtils.toJson(map);

            // 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 accessToken = getAuth();

            String result = HttpUtil.post(url, accessToken, "application/json", param);
            System.out.println(result);
            return result;
        } catch (Exception e) {
    
    
            e.printStackTrace();
        }
        return null;
    }
}

以上是两种方式的人脸识别，根据自己的业务需求去选!!!