关键词:
ttp://open.youtu.qq.com官网
直接234.
第一步:鉴权服务技术方案
Java代码实现如下
- import java.util.Date;
- import com.baidu.aip.util.Base64Util;
- /**
- * 获取Authorization
- * @author 小帅丶
- * @类名称 Sign
- * @remark
- * @date 2017-8-18
- */
- public class Sign {
- /**
- * Authorization方法
- * @param userQQ 开发者创建应用时的QQ号
- * @param AppID 开发者创建应用后的AppID
- * @param SecretID 开发者创建应用后的SecretID
- * @param SecretKey 开发者创建应用后的SecretKey
- * @return sign
- * @throws Exception
- */
- public static String getSign(String userQQ,String AppID,String SecretID,String SecretKey) throws Exception{
- long tnowTimes = new Date().getTime()/1000;
- long enowTimes = tnowTimes+2592000;
- String rRandomNum = HMACSHA1.genRandomNum(10);
- String param = "u=" + userQQ + "&a=" + AppID + "&k=" + SecretID + "&e="
- + enowTimes + "&t=" + tnowTimes + "&r=" + rRandomNum + "&f=";
- byte [] hmacSign = HMACSHA1.getSignature(param, SecretKey);
- byte[] all = new byte[hmacSign.length+param.getBytes().length];
- System.arraycopy(hmacSign, 0, all, 0, hmacSign.length);
- System.arraycopy(param.getBytes(), 0, all, hmacSign.length, param.getBytes().length);
- String sign = Base64Util.encode(all);
- return sign;
- }
- }
需要的HMACSHA1代码及随机数代码
- import java.util.Random;
- import javax.crypto.Mac;
- import javax.crypto.spec.SecretKeySpec;
- /**
- * HMACSHA1算法
- *
- * @author 小帅丶
- * @类名称 HMACSHA1
- * @remark
- * @date 2017-8-18
- */
- public class HMACSHA1 {
- /**
- * 算法标识
- */
- private static final String HMAC_SHA1 = "HmacSHA1";
- /**
- * 加密
- * @param data 要加密的数据
- * @param key 密钥
- * @return
- * @throws Exception
- */
- public static byte[] getSignature(String data, String key) throws Exception {
- Mac mac = Mac.getInstance(HMAC_SHA1);
- SecretKeySpec signingKey = new SecretKeySpec(key.getBytes(),
- mac.getAlgorithm());
- mac.init(signingKey);
- return mac.doFinal(data.getBytes());
- }
- /**
- * 生成随机数字
- * @param length
- * @return
- */
- public static String genRandomNum(int length){
- int maxNum = 62;
- int i;
- int count = 0;
- char[] str = {‘0‘, ‘1‘, ‘2‘, ‘3‘, ‘4‘, ‘5‘, ‘6‘, ‘7‘, ‘8‘, ‘9‘};
- StringBuffer pwd = new StringBuffer("");
- Random r = new Random();
- while(count < length){
- i = Math.abs(r.nextInt(maxNum));
- if (i >= 0 && i < str.length) {
- pwd.append(str[i]);
- count ++;
- }
- }
- return pwd.toString();
- }
- }
第二步:准备相关代码
保存SIGN 或者每次都生成一个也可以 方便测试就直接每次生成一个了
开始识别图片之前需要工具类Base64Util FileUtil
FileUtil代码
- 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();
- }
- }
- }
- }
Base64Util 代码
- /**
- * 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();
- }
- }
创建应用得到的值放在一个常量类里面
- /**
- * 常量
- * @author 小帅丶
- * @类名称 YouTuAppContants
- * @remark
- * @date 2017-8-18
- */
- public class YouTuAppContants {
- public static String AppID = "你自己的AppID ";
- public static String SecretID = "你自己的SecretID";
- public static String SecretKey = "你自己的SecretKey";
- public static String userQQ = "你自己的userQQ";
- }
还需要一个HTTPUTIL工具类
- import java.io.BufferedReader;
- import java.io.DataOutputStream;
- import java.io.IOException;
- import java.io.InputStreamReader;
- import java.net.HttpURLConnection;
- import java.net.URL;
- import java.security.KeyManagementException;
- import java.security.NoSuchAlgorithmException;
- import java.security.cert.CertificateException;
- import java.security.cert.X509Certificate;
- import javax.net.ssl.HostnameVerifier;
- import javax.net.ssl.SSLContext;
- import javax.net.ssl.SSLSession;
- import javax.net.ssl.TrustManager;
- import javax.net.ssl.X509TrustManager;
- /**
- * http 工具类
- */
- public class HttpUtilYoutu {
- private static class TrustAnyTrustManager implements X509TrustManager {
- public void checkClientTrusted(X509Certificate[] chain, String authType)
- throws CertificateException {
- }
- public void checkServerTrusted(X509Certificate[] chain, String authType)
- throws CertificateException {
- }
- public X509Certificate[] getAcceptedIssuers() {
- return new X509Certificate[] {};
- }
- }
- private static class TrustAnyHostnameVerifier implements HostnameVerifier {
- public boolean verify(String hostname, SSLSession session) {
- return true;
- }
- }
- /**
- * post方式请求服务器(https协议)
- *
- * @param url
- * 请求地址
- * @param content
- * 参数
- * @param charset
- * 编码
- * @return
- * @throws NoSuchAlgorithmException
- * @throws KeyManagementException
- * @throws IOException
- */
- public static String post(String url, String content,String charset,String sign)
- throws NoSuchAlgorithmException, KeyManagementException,
- IOException {
- SSLContext sc = SSLContext.getInstance("SSL");
- sc.init(null, new TrustManager[] { new TrustAnyTrustManager() },
- new java.security.SecureRandom());
- URL console = new URL(url);
- Integer length = content.length();
- HttpURLConnection conn = (HttpURLConnection) console.openConnection();
- //文档要求填写的Header参数
- conn.setRequestProperty("Host", "api.youtu.qq.com");
- conn.setRequestProperty("Content-Length",length.toString());
- conn.setRequestProperty("Content-Type", "text/json");
- conn.setRequestProperty("Authorization", sign);
- //文档要求填写的Header参数
- conn.setDoOutput(true);
- conn.connect();
- DataOutputStream out = new DataOutputStream(conn.getOutputStream());
- out.write(content.getBytes(charset));
- // 刷新、关闭
- out.flush();
- out.close();
- BufferedReader in = null;
- in = new BufferedReader(
- new InputStreamReader(conn.getInputStream(), charset));
- String result = "";
- String getLine;
- while ((getLine = in.readLine()) != null) {
- result += getLine;
- }
- in.close();
- System.err.println("result:" + result);
- return result;
- }
- }
第三步:测试一下人脸检测接口
请求示例类:
- import com.xiaoshuai.test.Base64Util;
- import com.xiaoshuai.test.FileUtil;
- public class DetectFace {
- //人脸检测接口
- public static String DETECTFACE_URL="http://api.youtu.qq.com/youtu/api/detectface";
- public static void main(String[] args) throws Exception {
- String imagePath = "G:/test2.jpg";
- System.out.println(getDetectFace(imagePath));
- }
- /**
- * 检测图中人脸信息
- * @param imagePath 图片路径
- * @return
- * @throws Exception
- */
- public static String getDetectFace(String imagePath) throws Exception{
- //得到Authorization
- String sign = Sign.getSign(YouTuAppContants.userQQ,
- YouTuAppContants.AppID, YouTuAppContants.SecretID,
- YouTuAppContants.SecretKey);
- byte[] imgData = FileUtil.readFileByBytes(imagePath);
- String image = Base64Util.encode(imgData);;
- String param = "{"app_id":""+YouTuAppContants.AppID+"","image":""+image+""}";
- String result = HttpUtilYoutu.post(DETECTFACE_URL, param, "UTF-8",sign);
- System.out.println(result);
- return result;
- }
- }
看看返回的内容:
- {"session_id":"","image_height":280,"image_width":359,"face":[{"face_id":"2188093443753939350","x":128,"y":127,"height":106.0,"width":106.0,"pitch":6,"roll":3,"yaw":-2,"age":23,"gender":94,"glass":true,"expression":34,"beauty":80,"face_shape":{"face_profile":[{"x":139,"y":160},{"x":139,"y":170},{"x":140,"y":180},{"x":143,"y":189},{"x":146,"y":199},{"x":150,"y":208},{"x":156,"y":217},{"x":162,"y":225},{"x":170,"y":232},{"x":179,"y":236},{"x":189,"y":238},{"x":199,"y":235},{"x":207,"y":230},{"x":214,"y":222},{"x":221,"y":214},{"x":225,"y":205},{"x":229,"y":195},{"x":231,"y":185},{"x":232,"y":174},{"x":233,"y":164},{"x":232,"y":155}],"left_eye":[{"x":152,"y":159},{"x":156,"y":161},{"x":161,"y":163},{"x":166,"y":162},{"x":171,"y":160},{"x":167,"y":157},{"x":162,"y":156},{"x":157,"y":157}],"right_eye":[{"x":216,"y":156},{"x":212,"y":159},{"x":208,"y":160},{"x":203,"y":160},{"x":198,"y":158},{"x":202,"y":155},{"x":206,"y":154},{"x":211,"y":154}],"left_eyebrow":[{"x":143,"y":148},{"x":151,"y":148},{"x":159,"y":148},{"x":166,"y":148},{"x":174,"y":147},{"x":167,"y":142},{"x":158,"y":141},{"x":150,"y":142}],"right_eyebrow":[{"x":224,"y":145},{"x":216,"y":145},{"x":208,"y":145},{"x":200,"y":146},{"x":192,"y":146},{"x":199,"y":141},{"x":208,"y":139},{"x":217,"y":139}],"mouth":[{"x":170,"y":209},{"x":175,"y":214},{"x":180,"y":218},{"x":187,"y":219},{"x":194,"y":217},{"x":200,"y":213},{"x":204,"y":207},{"x":199,"y":203},{"x":192,"y":201},{"x":186,"y":203},{"x":180,"y":202},{"x":174,"y":205},{"x":175,"y":210},{"x":181,"y":211},{"x":187,"y":211},{"x":193,"y":210},{"x":198,"y":209},{"x":198,"y":207},{"x":193,"y":208},{"x":187,"y":209},{"x":180,"y":207},{"x":175,"y":207}],"nose":[{"x":184,"y":184},{"x":183,"y":160},{"x":180,"y":166},{"x":177,"y":173},{"x":174,"y":180},{"x":170,"y":188},{"x":178,"y":191},{"x":185,"y":192},{"x":192,"y":190},{"x":199,"y":186},{"x":194,"y":179},{"x":191,"y":172},{"x":187,"y":166}]}}],"errorcode":0,"errormsg":"OK"}
- "face_id": "2188093443753939350",
- "x": 128,
- "y": 127,
- "height": 106,
- "width": 106,
- "pitch": 6,
- "roll": 3,
- "yaw": -2,
- "age": 23,//年龄 [0~100]
- "gender": 94,//性别 [0/(female)~100(male)]
- "glass": true,//是否有眼镜 [true,false]
- "expression": 34,//微笑[0(normal)~50(smile)~100(laugh)]
- "beauty": 80,//魅力 [0~100]
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