网图下载

yuan947022015 / 2023-08-24 / 原文

网图下载

import org.apache.commons.io.FileUtils;

import java.io.File;
import java.io.IOException;
import java.net.URL;

// 联系Thread，实现多线程同步下载图片
public class TestThread2 extends Thread {
    private String url; //地址
    private String name;//文件名

    public TestThread2(String url, String name) {
        this.url = url;
        this.name = name;
    }

    // 下载图片线程执行体
    @Override
    public void run() {
        WebDownLoader webDownloader = new WebDownLoader();
        webDownloader.downLoader(url, name);
        System.out.println("下载了文件名为：" + name);
    }

    public static void main(String[] args) {
        TestThread2 t1 = new TestThread2("https://img0.baidu.com/it/u=3021883569,1259262591&fm=253&app=120&size=w931&n=0&f=JPEG&fmt=auto?sec=1692982800&t=5858b3800995bb2c1af459caaab34932", "1.jpg");
        TestThread2 t2 = new TestThread2("https://img0.baidu.com/it/u=3021883569,1259262591&fm=253&app=120&size=w931&n=0&f=JPEG&fmt=auto?sec=1692982800&t=5858b3800995bb2c1af459caaab34932", "2.jpg");
        TestThread2 t3 = new TestThread2("https://img0.baidu.com/it/u=3021883569,1259262591&fm=253&app=120&size=w931&n=0&f=JPEG&fmt=auto?sec=1692982800&t=5858b3800995bb2c1af459caaab34932", "3.jpg");
        t1.start();
        t2.start();
        t3.start();
    }
    public static void downLoader(String url, String name) {

        try {
            FileUtils.copyURLToFile(new URL(url), new File(name));
        } catch (IOException e) {
            e.printStackTrace();
            System.out.println("Io异常，downloader出现问题");
        }
    }
}
    // 下载器
class WebDownLoader {
        // 下载方法
        public void downLoader(String url, String name) {
            try {
                FileUtils.copyURLToFile(new URL(url), new File(name));
            } catch (IOException e) {
                e.printStackTrace();
                System.out.println("Io异常，downloader出现问题");
            }
        }
}