1.face++compare入門教程

face++入門教程

1. 資料地址

1.1 compareAPI 文檔

https://console.faceplusplus.com.cn/documents/4887586

1.2 compareAPI演示文檔

https://www.faceplusplus.com.cn/face-comparing/#demo

2. 代碼

2.1 詳盡代碼

package com.fjnu.facePlus;

import java.io.ByteArrayOutputStream;
import java.io.DataOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.HttpURLConnection;
import java.net.URL;
import java.net.URLDecoder;
import java.net.URLEncoder;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
import java.util.Random;
import javax.net.ssl.SSLException;


public class FaceTestCompare {
    public static void main(String[] args) {
//        File file1 = new File("/home/jiayuan/下載/霍建華.jpg");
        File file1 = new File("/home/jiayuan/下載/胡歌1.jpeg");
//        File file2 = new File("/home/jiayuan/下載/胡歌3.jpeg");
        File file2 = new File("/home/jiayuan/下載/霍建華.jpg");
        byte[] buff1 = getBytesFromFile(file1);
        byte[] buff2 = getBytesFromFile(file2);
        String url = "https://api-cn.faceplusplus.com/facepp/v3/compare";
        HashMap<String, String> map = new HashMap<>();
        HashMap<String, byte[]> byteMap = new HashMap<>();
        map.put("api_key", "");//你的KEY
        map.put("api_secret", "");//你的SECRET
        map.put("return_landmark", "1");
        map.put("return_attributes", "gender,age,smiling,headpose,facequality,blur,eyestatus,emotion,ethnicity,beauty,mouthstatus,eyegaze,skinstatus");
        byteMap.put("image_file1", buff1);
        byteMap.put("image_file2", buff2);
        try{
            byte[] bacd = post(url, map, byteMap);
            String str = new String(bacd);
            System.out.println(str);
        }catch (Exception e) {
            e.printStackTrace();
        }
    }

    private final static int CONNECT_TIME_OUT = 30000;
    private final static int READ_OUT_TIME = 50000;
    private static String boundaryString = getBoundary();
    protected static byte[] post(String url, HashMap<String, String> map, HashMap<String, byte[]> fileMap) throws Exception {
        HttpURLConnection conne;
        URL url1 = new URL(url);
        conne = (HttpURLConnection) url1.openConnection();
        conne.setDoOutput(true);
        conne.setUseCaches(false);
        conne.setRequestMethod("POST");
        conne.setConnectTimeout(CONNECT_TIME_OUT);
        conne.setReadTimeout(READ_OUT_TIME);
        conne.setRequestProperty("accept", "*/*");
        conne.setRequestProperty("Content-Type", "multipart/form-data; boundary=" + boundaryString);
        conne.setRequestProperty("connection", "Keep-Alive");
        conne.setRequestProperty("user-agent", "Mozilla/4.0 (compatible;MSIE 6.0;Windows NT 5.1;SV1)");
        DataOutputStream obos = new DataOutputStream(conne.getOutputStream());
        Iterator iter = map.entrySet().iterator();
        while(iter.hasNext()){
            Map.Entry<String, String> entry = (Map.Entry) iter.next();
            String key = entry.getKey();
            String value = entry.getValue();
            obos.writeBytes("--" + boundaryString + "\r\n");
            obos.writeBytes("Content-Disposition: form-data; name=\"" + key
                    + "\"\r\n");
            obos.writeBytes("\r\n");
            obos.writeBytes(value + "\r\n");
        }
        if(fileMap != null && fileMap.size() > 0){
            Iterator fileIter = fileMap.entrySet().iterator();
            while(fileIter.hasNext()){
                Map.Entry<String, byte[]> fileEntry = (Map.Entry<String, byte[]>) fileIter.next();
                obos.writeBytes("--" + boundaryString + "\r\n");
                obos.writeBytes("Content-Disposition: form-data; name=\"" + fileEntry.getKey()
                        + "\"; filename=\"" + encode(" ") + "\"\r\n");
                obos.writeBytes("\r\n");
                obos.write(fileEntry.getValue());
                obos.writeBytes("\r\n");
            }
        }
        obos.writeBytes("--" + boundaryString + "--" + "\r\n");
        obos.writeBytes("\r\n");
        obos.flush();
        obos.close();
        InputStream ins = null;
        int code = conne.getResponseCode();
        try{
            if(code == 200){
                ins = conne.getInputStream();
            }else{
                ins = conne.getErrorStream();
            }
        }catch (SSLException e){
            e.printStackTrace();
            return new byte[0];
        }
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        byte[] buff = new byte[4096];
        int len;
        while((len = ins.read(buff)) != -1){
            baos.write(buff, 0, len);
        }
        byte[] bytes = baos.toByteArray();
        ins.close();
        return bytes;
    }
    private static String getBoundary() {
        StringBuilder sb = new StringBuilder();
        Random random = new Random();
        for(int i = 0; i < 32; ++i) {
            sb.append("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_-".charAt(random.nextInt("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_".length())));
        }
        return sb.toString();
    }
    private static String encode(String value) throws Exception{
        return URLEncoder.encode(value, "UTF-8");
    }

    public static byte[] getBytesFromFile(File f) {
        if (f == null) {
            return null;
        }
        try {
            FileInputStream stream = new FileInputStream(f);
            ByteArrayOutputStream out = new ByteArrayOutputStream(1000);
            byte[] b = new byte[1000];
            int n;
            while ((n = stream.read(b)) != -1)
                out.write(b, 0, n);
            stream.close();
            out.close();
            return out.toByteArray();
        } catch (IOException e) {
        }
        return null;
    }


}

2.2 核心代碼

1. 需要改換的地方， 只需要改動兩處

使用時只需要替換下面兩個路徑，將其設置爲需要比對的文件即可。

這裏需要改成自己註冊後的， 註冊教程官網上有寫，下面是鏈接：創建完即可直接使用

https://console.faceplusplus.com.cn/documents/5671787

2. 代碼運行結果

這是最重要的參數，對其解釋是：

3. 總結

註冊完以後只需要改動兩處即可直接使用，教程所用圖片已經在壓縮包裏。