a.txt 文本內容如下：

name=user
age=34
image=aa.PNG
url=E:\\

package cn.com.test05;import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.InputStream;
import java.io.OutputStream;class Person{String  name;int  age;String image;byte[] imageB;String url;public String getName() {return name;}public void setName(String name) {System.out.println(Thread.currentThread().getName());this.name = name;}public int getAge() {return age;}public void setAge(int age) {this.age = age;}public String getImage() {return image;}public void setImage(String image) {this.image = image;}public byte[] getImageB() {return imageB;}public void setImageB(byte[] imageB) {this.imageB = imageB;}public String getUrl() {return url;}public void setUrl(String url) {this.url = url;}public String toString(){return "我叫"+name+"=="+age+"===="+image;}
}
public class t03 {public static void main(String[] args) throws Exception {Person p= new Person();t03.get(p);System.out.println(p);out(p);}public static void out(Person p) throws Exception{File f = new File(p.url+"a.txt");OutputStream out= new FileOutputStream(f);out.write(p.toString().getBytes());outImage(p.getUrl(),p.getImage(),p.getImageB());out.close();}public static  void outImage(String url,String image,byte[] b) throws Exception{File f = new File(url+image);OutputStream out= new FileOutputStream(f);out.write(b);out.close();}public static void get(Person p) throws Exception{File f = new File("F:\\a.txt");InputStream in= new FileInputStream(f);byte[] b=new byte[(int) f.length()];in.read(b);String str = new String(b);System.out.println(str);String[] s = str.split("\r\n");p.setName(getValue(s[0]));p.setAge(Integer.parseInt(getValue(s[1])));p.setImage(getValue(s[2]));p.setUrl(getValue(s[3]));p.setImageB(getImageB(getValue(s[2])));in.close();}public static byte[] getImageB(String str) throws Exception{File f = new File("F:\\"+str);InputStream in= new FileInputStream(f);byte[] b=new byte[(int) f.length()];in.read(b);in.close();return b;}public static String getValue(String str){return str.split("=")[1];}
}

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轉載于:https://www.cnblogs.com/anholt/p/3656176.html

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