Java进阶文件输入输出实操(图片拷贝)
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把某个目录下的全部图片,全部拷贝到另外一个目录
package test;
import domee.chapter6_7.B;
import java.io.*;
public class Ex10_10 {
public static void main(String[] args) throws IOException {
String dir = “C:\Users\123\Desktop\test”;
creatFile(dir);
File file = new File(dir+“\img”);
File[] files = file.listFiles();
for (File file1 : files){
String name = file1.getName();
System.out.println(name);
copy(file.getAbsolutePath()+“”+name,dir+“\copy”+name);
}} public static void creatFile(String dir){ File file = new File(dir+"\copy"); file.mkdir(); } public static void copy(String from,String to)throws IOException { InputStream inputStream = new FileInputStream(from); OutputStream outputStream = new FileOutputStream(to); BufferedInputStream bufferedInputStream = new BufferedInputStream(inputStream); BufferedOutputStream bufferedOutputStream = new BufferedOutputStream(outputStream); byte[] bytes = new byte[inputStream.available()]; int size ; while ( (size = inputStream.read(bytes))!= -1){ bufferedOutputStream.write(bytes,0,size); } bufferedInputStream.close(); bufferedOutputStream.close(); }
}
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Java进阶文件输入输出实操(图片拷贝)
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