tools.java

j2se项目 家庭成员管理系统 核心算法 无界面版 无数据库

package Family_Manager;


import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;


public class Tools {

	public static void addFamily(Family fam) {
		try {
			FileOutputStream fos=new FileOutputStream(""+fam.getName());
			DataOutputStream dos=new DataOutputStream(fos);
			try {
				dos.writeUTF(fam.getName());
				dos.writeUTF(fam.getSex());
				dos.writeInt(fam.getAge());
				dos.writeUTF(fam.getSf());
			} catch (IOException e) {
				
				e.printStackTrace();
			}
			
			
		} catch (FileNotFoundException e) {
			
			e.printStackTrace();
		}
	
	}
	public static Family SearchByName(String name){
		Family fam=new Family(name);
		
		FileInputStream fis;
		try {
			fis = new FileInputStream(name+"");
			DataInputStream dis=new DataInputStream(fis);
			try {
				dis.readUTF();
				fam.setSex(dis.readUTF());
				fam.setAge(dis.readInt());
				fam.setSf(dis.readUTF());
			} catch (IOException e) {
				
				System.out.println("数据损坏");
				fam=null;
			}
			
		} catch (FileNotFoundException e) {
		
			System.out.println("没有此成员");
			fam=null;
		}
		
		
		
		return fam;
	}

}