图片去重java_关于图片去重

package mytest;

import java.io.File;

import java.io.FileInputStream;

import java.io.IOException;

import java.util.Iterator;

import java.util.TreeSet;

public class CreateFile {

/**

* @param args

* @throws IOException

*/

public static void main(String[] args) throws IOException {

File f2=new File("D:\\mt4");

try {

findSingleFile(f2);//参数是被检测的文件不能带有文件夹

} catch (Exception e) {

e.printStackTrace();

}

}

public static void findSingleFile(File file) throws Exception {

File []files1=file.listFiles();

TreeSet tchongfu=new TreeSet();

int count = 0 ;

for(int x=0;x

for(int y=x+1;y

if(files1[x].length()==files1[y].length()){

synchronized(file.getClass()){

byte[] data1 = new byte[(int) files1[x].length()];

byte[] data2 = new byte[(int) files1[y].length()];

Boolean flag=false;

FileInputStream rfis1 = new FileInputStream(files1[x]);

FileInputStream rfis2 = new FileInputStream(files1[y]);

//分别将两个文件的内容读入缓冲区

rfis1.read(data1);

rfis2.read(data2);

for (int i=0; i

//只要有一个字节不同，两个文件就不一样

if (data1[i] == data2[i]) {

flag=true;

continue;

}

else{

flag=false;

break;

}

}

if(flag){

count ++;

rfis1.close();

rfis2.close();

tchongfu.add(files1[y]);

}

}

}

}

}

delFile(tchongfu);

}

private static void delFile(TreeSet ts) throws Exception{

Iterator it =ts.iterator();

while(it.hasNext()){

String sss=((File)it.next()).getName();

(new File("D:\\mt4\\" + sss)).delete();

System.out.println(sss);

}

}

}