package com.zhi.lianxi1;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.util.Calendar;
import java.util.Scanner;
//使用多线程实现文件的复制功能，
//并在控制台显示复制的进度，进度以百分比表示。
//例如：把文件A复制到E盘某文件夹下，
//在控制台上显示“文件已复制10%”，“文件已复制20%”……“文件已复制100%”，“复制完成！”
public class Lianxi extends Thread{
public void run(){
Scanner sc =new Scanner(System.in);
System.out.println("请输入文件源目录:");
String str=sc.next();
FileReader f = null;
try {
f = new FileReader(str);
} catch (FileNotFoundException e) {
e.printStackTrace();
}
System.out.println("请输入拷贝目录的路径：");
String str1=sc.next();
File newfile = new File(str1);
File oldfile = new File(str);
String name = newfile+"\\"+oldfile.getName();
FileWriter w = null;
try {
w = new FileWriter(name);
} catch (IOException e) {
e.printStackTrace();
}
int i;
String s="";
try {
while((i=f.read())!=-1){
try {
w.write(i);
} catch (IOException e) {
e.printStackTrace();
}
}
} catch (IOException e1) {
e1.printStackTrace();
}
try {
w.close();
} catch (IOException e) {
e.printStackTrace();
}
try {
f.close();
} catch (IOException e) {
e.printStackTrace();
}
System.out.println(Thread.currentThread().getName()+"已复制成功");
}
}
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package com.zhi.lianxi1; import java.io.FileNotFoundException; import java.io.FileReader; import java.util.Scanner; public class Lianxi2 extends Thread{ public void run() { Scanner sc =new Scanner(System.in); System.out.println("请输入文件源目录:"); String str=sc.next(); try { FileReader f = new FileReader(str); } catch (FileNotFoundException e) { e.printStackTrace(); } System.out.println("请输入拷贝目录的路径："); String str1=sc.next(); } }
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package com.zhi.lianxi1; public class Text { public static void main(String[] args) { Lianxi li = new Lianxi(); li.start(); } }
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