package com.gdin.dome;

import java.io.BufferedReader;

import java.io.File;

import java.io.FileOutputStream;

import java.io.FileReader;

import java.io.IOException;

import org.junit.Test;public classdome5 {

@Testpublic voidfun(){try{/** 用行为读取的方式，没读取到一行数据就转化为数值*/File file= new File("C:/Users/Administrator/Desktop/test.txt");

BufferedReader reader= new BufferedReader(newFileReader(file));

FileOutputStream output= new FileOutputStream(new File("C:/Users/Administrator/Desktop/a.jpg"));int i = 0;

String s= null;//用于保存读取的 字符

long line = 1l;//每次读取1行

byte[] b= new byte[1024];while((s = reader.readLine())!= null){if(line==1){

s= "ff";

}

i= Integer.parseInt(s, 16);

output.write(i);

line++;

}

reader.close();

output.close();

}catch(IOException e) {//TODO Auto-generated catch block

e.printStackTrace();

}

}

}

View Code

package com.gdin.dome;

import java.io.BufferedReader;

import java.io.File;

import java.io.FileOutputStream;

import java.io.FileReader;

import java.io.IOException;

import org.junit.Test;

public class dome5 {

@Test

public void fun(){

try {

/*

* 用行为读取的方式，没读取到一行数据就转化为数值

*/

File file = new File("C:/Users/Administrator/Desktop/test.txt");

BufferedReader reader = new BufferedReader(new FileReader(file));

FileOutputStream output = new FileOutputStream(new File("C:/Users/Administrator/Desktop/a.jpg"));

int i = 0;

String s = null;//用于保存读取的 字符

long line = 1l;//每次读取1行

byte[] b= new byte[1024];

while((s = reader.readLine())!= null){

if(line==1){

s = "ff";

}

i = Integer.parseInt(s, 16);

output.write(i);

line++;

}

reader.close();

output.close();

} catch (IOException e) {

// TODO Auto-generated catch block

e.printStackTrace();

}

}

}