Java開發者必須了解：百度AI介面在智慧教育專案中的實際應用

import com.baidu.aip.ocr.AipOcr;
import org.json.JSONObject;
 
public class OCRDemo {
 
    // 设置APPID/AK/SK
    public static final String APP_ID = "your_app_id";
    public static final String API_KEY = "your_api_key";
    public static final String SECRET_KEY = "your_secret_key";
 
    public static void main(String[] args) {
        // 初始化AipOcr
        AipOcr client = new AipOcr(APP_ID, API_KEY, SECRET_KEY);
 
        // 设置网络连接参数
        client.setConnectionTimeoutInMillis(2000);
        client.setSocketTimeoutInMillis(60000);
 
        // 读取图片字节数组
        byte[] image = FileUtil.readFileByBytes("test.jpg");
 
        // 调用接口进行文字识别
        JSONObject res = client.basicGeneral(image, new HashMap<String, String>());
 
        // 解析识别结果
        JSONArray words = res.getJSONArray("words_result");
        for (int i = 0; i < words.length(); i++) {
            JSONObject word = words.getJSONObject(i);
            System.out.println(word.getString("words"));
        }
    }
}

import com.baidu.aip.speech.AipSpeech;
import org.json.JSONObject;
 
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
 
public class ASRDemo {
 
    // 设置APPID/AK/SK
    public static final String APP_ID = "your_app_id";
    public static final String API_KEY = "your_api_key";
    public static final String SECRET_KEY = "your_secret_key";
 
    public static void main(String[] args) {
        // 初始化AipSpeech
        AipSpeech client = new AipSpeech(APP_ID, API_KEY, SECRET_KEY);
 
        // 设置网络连接参数
        client.setConnectionTimeoutInMillis(2000);
        client.setSocketTimeoutInMillis(60000);
 
        // 读取语音文件
        File file = new File("test.wav");
        byte[] voice;
        try {
            FileInputStream fis = new FileInputStream(file);
            voice = new byte[(int) file.length()];
            fis.read(voice);
            fis.close();
        } catch (IOException e) {
            e.printStackTrace();
            return;
        }
 
        // 调用接口进行语音识别
        JSONObject res = client.asr(voice, "wav", 16000, null);
 
        // 解析识别结果
        JSONArray result = res.getJSONArray("result");
        System.out.println(result.getString(0));
    }
}

import com.baidu.aip.face.AipFace;
import org.json.JSONObject;
 
import java.util.HashMap;
 
public class FaceDemo {
 
    // 设置APPID/AK/SK
    public static final String APP_ID = "your_app_id";
    public static final String API_KEY = "your_api_key";
    public static final String SECRET_KEY = "your_secret_key";
 
    public static void main(String[] args) {
        // 初始化AipFace
        AipFace client = new AipFace(APP_ID, API_KEY, SECRET_KEY);
 
        // 设置网络连接参数
        client.setConnectionTimeoutInMillis(2000);
        client.setSocketTimeoutInMillis(60000);
 
        // 读取图片字节数组
        byte[] image = FileUtil.readFileByBytes("test.jpg");
 
        // 设置人脸识别参数
        HashMap<String, String> options = new HashMap<>();
        options.put("face_field", "age,gender,emotion");
        options.put("max_face_num", "2");
        options.put("face_type", "LIVE");
 
        // 调用接口进行人脸识别
        JSONObject res = client.detect(image, null, options);
 
        // 解析识别结果
        JSONArray faceList = res.getJSONArray("face_list");
        for (int i = 0; i < faceList.length(); i++) {
            JSONObject face = faceList.getJSONObject(i);
            JSONObject emotion = face.getJSONObject("emotion");
            int age = face.getInt("age");
            String gender = face.getString("gender");
            System.out.println("年龄：" + age);
            System.out.println("性别：" + gender);
            System.out.println("情绪：" + emotion.toString());
        }
    }
}