前言

中奖几率小要死，而且还要花费时间来抽，所以写他个程序，1秒内抽他个上百次。

效果

代码

package com.hxl;

import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONObject;
import okhttp3.*;
import org.jetbrains.annotations.NotNull;

import javax.swing.*;
import java.awt.*;
import java.io.IOException;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.Map;
import java.util.concurrent.ArrayBlockingQueue;
import java.util.concurrent.Executor;
import java.util.concurrent.ThreadPoolExecutor;
import java.util.concurrent.TimeUnit;

import static java.awt.Image.SCALE_DEFAULT;

public class JueJin extends JFrame {
    private Executor threadPoolExecutor = new ThreadPoolExecutor(5, 5, 5,
            TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(500));
    private JPanel imageUIPanel;
    private OkHttpClient okHttpClient;
    private String cookie;

    public JueJin() throws HeadlessException {
        initUI();
        initHttp();
        this.setSize(600, 400);
        this.setVisible(true);
        this.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
        setLocationRelativeTo(null);
        showCookieInputDialog();
    }

    private void initHttp() {
        okHttpClient = new OkHttpClient();
    }

    private int getCurPoint() {
        try {
            Response response = okHttpClient.newCall(new Request.Builder()
                    .url("https://api.juejin.cn/growth_api/v1/get_cur_point")
                    .get()
                    .header("cookie", this.cookie)
                    .build()).execute();
            Map map = JSON.parseObject(response.body().string(), Map.class);
            return Integer.parseInt(map.get("data") + "");
        } catch (IOException e) {
            e.printStackTrace();
        }
        return 0;
    }

    private Runnable createRunnable() {
        return () -> {
            try {
                Response response = okHttpClient.newCall(new Request.Builder()
                        .url("https://api.juejin.cn/growth_api/v1/lottery/draw")
                        .header("cookie", cookie)
                        .post(RequestBody.create("{}", MediaType.parse("application/json")))
                        .build()).execute();
                Result result = JSON.parseObject(response.body().string(), Result.class);
                addImage(result.getData().getLotteryImage());
            } catch (IOException e) {
                e.printStackTrace();
            }
        };
    }

    private void start(int count) {
        for (int i = 0; i < count; i++) {
            threadPoolExecutor.execute(createRunnable());
        }
    }

    private void showCookieInputDialog() {
        new CookieInputDialog(cookie -> {
            this.cookie = cookie;
            int curPoint = getCurPoint();
            start(curPoint / 200);
        });
    }

    private void initUI() {
        imageUIPanel = new JPanel();
        imageUIPanel.setLayout(new GridLayout(0, 4));
        JScrollPane scrollbar = new JScrollPane(imageUIPanel);
        getContentPane().add(scrollbar);

    }

    public static ImageIcon createImageIcon(Image image) {
        Image scaledInstance = image.getScaledInstance(60, 60, SCALE_DEFAULT);
        return new ImageIcon(scaledInstance);
    }

    private void addImage(String imgUrl) {
        Image image = null;
        try {
            image = Toolkit.getDefaultToolkit().getImage(new URL(imgUrl));
            JLabel jLabel = new JLabel(createImageIcon(image));
            imageUIPanel.add(jLabel);
            imageUIPanel.revalidate();
        } catch (MalformedURLException e) {
            e.printStackTrace();
        }
    }

    public static void main(String[] args) {
        new JueJin();
    }
}
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Cookie输入对话框

package com.hxl;

import javax.swing.*;
import java.awt.event.KeyAdapter;
import java.awt.event.KeyEvent;

public class CookieInputDialog extends JDialog {
    private ICookieCallback iCookieCallback;

    private JTextField jTextField;
    public CookieInputDialog(ICookieCallback iCookieCallback) {
        this.iCookieCallback = iCookieCallback;
        setTitle("Cookie输入");
        setModalityType(ModalityType.APPLICATION_MODAL);
         jTextField = new JTextField();
        getContentPane().add(jTextField);
        setSize(300, 100);
        init(jTextField);
        setLocationRelativeTo(null);
        setVisible(true);
    }

    private void init(JTextField field) {
        field.addKeyListener(new KeyAdapter() {
            @Override
            public void keyReleased(KeyEvent e) {
                if (e.getKeyCode() == 10) {
                    close();
                }
            }

        });
    }

    private void close() {
        iCookieCallback.onCookie(jTextField.getText());
        dispose();
    }

    public interface ICookieCallback {
        public void onCookie(String cookie);
    }
}
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Result中包含抽奖结果。

package com.hxl;


public class Result {

    private Integer errNo;
    private String errMsg;
    private DataDTO data;

    public Integer getErrNo() {
        return errNo;
    }

    public void setErrNo(Integer errNo) {
        this.errNo = errNo;
    }

    public String getErrMsg() {
        return errMsg;
    }

    public void setErrMsg(String errMsg) {
        this.errMsg = errMsg;
    }

    public DataDTO getData() {
        return data;
    }

    public void setData(DataDTO data) {
        this.data = data;
    }

    public static class DataDTO {
        private Integer id;
        private String lotteryId;
        private String lotteryName;
        private Integer lotteryType;
        private String lotteryImage;
        private String historyId;

        public Integer getId() {
            return id;
        }

        public void setId(Integer id) {
            this.id = id;
        }

        public String getLotteryId() {
            return lotteryId;
        }

        public void setLotteryId(String lotteryId) {
            this.lotteryId = lotteryId;
        }

        public String getLotteryName() {
            return lotteryName;
        }

        public void setLotteryName(String lotteryName) {
            this.lotteryName = lotteryName;
        }

        public Integer getLotteryType() {
            return lotteryType;
        }

        public void setLotteryType(Integer lotteryType) {
            this.lotteryType = lotteryType;
        }

        public String getLotteryImage() {
            return lotteryImage;
        }

        public void setLotteryImage(String lotteryImage) {
            this.lotteryImage = lotteryImage;
        }

        public String getHistoryId() {
            return historyId;
        }

        public void setHistoryId(String historyId) {
            this.historyId = historyId;
        }
    }
}
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