manager.java

图书馆管理系统,从我们导师的实验室(国家重点实验室)带出来的,不过是我们自己开发的,已经提交,没有问题!站长采纳,可别说是偶传的噢!

package booksys;


import java.sql.*;
import java.io.*;
import java.util.*;

public class manager extends reader{
	BufferedReader in;
		
	public manager(){
		}
		
	public manager(int userid,String usernm){
		}
		
	public void welcome() throws SQLException,ClassNotFoundException,IOException,Exception{
		System.out.println("1、增加书 2、删除书 3、查看读者 4、借书 5、还书 6、退出");
		in = new BufferedReader(new InputStreamReader(System.in));
		String maselect = in.readLine();
		if(maselect.equals("1")){
			users.manager1.addbook();
			}
			
		if(maselect.equals("2")){
			System.out.println("不允许删除，请继续选择：");
			users.manager1.welcome();
			}
		
		if(maselect.equals("3")){
			System.out.print("请输入用户昵称：");
			String userid = in.readLine();
			boolean seleuser = users.searchuser(userid);
			if(seleuser) {				
				reader mread1=reader.selectreader(userid);
				System.out.println(mread1);
				}
			else {
				System.out.println("该用户不存在！");
			}
			this.welcome();
			}
			
		if(maselect.equals("6")){
			System.exit(0);
			}
		}
		
	
	public boolean change(){
		return true;
		}
	
	public void check(){
		}
			
	private void searchuser(String field,String data){
		}
		
	private void addbook() throws Exception{
		boolean insert=false;
		System.out.print("请输入书名：");
		String booknm = in.readLine();
		System.out.print("请输入出版社：");
		String publishernm = in.readLine();
		Vector ins=books.checknewbook(booknm);
		if(ins.size()>0) insert=true;
		if(insert){
			System.out.println("书已添加，请继续选择：");
			this.welcome();
			}
		else{
			System.out.println("书添加失败，请继续选择：");
			this.welcome();
			}
		}
		
	private boolean deletebook(int bookid){
		return true;
		}
	}