上传图片
package com.hp.zuoye01;import java.io.File;import java.io.FileInputStream;import java.io.FileOutputStream;import java.io.IOException;public class QQUpload extends Thread {public static void main(String[] args) {ChildThreadObject a = new ChildThreadObject();a.start();}static class ChildThreadObject extends Thread {@Overridepublic void run() {System.out.println("图片开始上传");for (int i = 1; i <= 5; i++) {fileA();System.out.println(i * 10 + "%");try {ChildThreadObject.sleep(1);} catch (Exception e) {e.printStackTrace();}}System.out.println("图片上传完毕");super.run();}}public static void fileA() {File file = new File("D:/img");//E:/imgFile file2 = new File("D:/aaa");//E:/img2FileInputStream fi = null;FileOutputStream fo = null;File[] f1 = file.listFiles();for (int j = 0; j < f1.length; j++) {try {fi = new FileInputStream(f1[j]);File out = new File(file2, f1[j].getName());fo = new FileOutputStream(out);int a = 0;while ((a = fi.read()) != -1) {fo.write(a);}} catch (Exception e) {e.printStackTrace();} finally {try {fo.close();fi.close();} catch (IOException e) {e.printStackTrace();}}}}}
模拟QQ相册上传图片（上传指定文件夹下所有的图片） 多线程上传（每个图片开辟一个子线程）
