returnbookservice.java

Eclips3.2 + mysql5.5 用Struts2编写的图书管理系统

package com.service;

import com.dao.BookDAO;
import com.dao.LendDAO;

/**
 * 
 * 还书业务类
 *
 */
public class ReturnBookService {
	public static boolean returnBookService(int lendid,int bookid){
		LendDAO lendDAO = new LendDAO();
		BookDAO bookDAO = new BookDAO();
		try {
			//将被还书籍记录做上状态记号
			lendDAO.returnBook(lendid);
			//书籍被还后,数量+1
			bookDAO.numAdd(bookid);
			//检查书籍下次是否可借
			bookDAO.bookStat(bookid);
		} catch (RuntimeException e) {
			// TODO Auto-generated catch block
			return false;
		}
		return true;
	}
}