book.java

一套完整的图书管理系统

package com.action;

import org.apache.struts.action.ActionMapping;
import org.apache.struts.action.ActionForm;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.struts.action.ActionForward;
import com.actionForm.BookForm;
import org.apache.struts.action.Action;
import com.dao.BookDAO;
import java.util.Date;

public class Book extends Action {
    private BookDAO bookDAO = null;
    public Book() {
        this.bookDAO = new BookDAO();
    }

    public ActionForward execute(ActionMapping mapping, ActionForm form,
                                 HttpServletRequest request,
                                 HttpServletResponse response) {
        String action =request.getParameter("action");
        System.out.println("\nbook*********************action="+action);
        if(action==null||"".equals(action)){
            request.setAttribute("error","您的操作有误！");
            return mapping.findForward("error");
        }else if("bookAdd".equals(action)){
            return bookAdd(mapping,form,request,response);
        }else if("bookQuery".equals(action)){
            return bookQuery(mapping,form,request,response);
        }else if("bookModifyQuery".equals(action)){
            return bookModifyQuery(mapping,form,request,response);
        }else if("bookModify".equals(action)){
            return bookModify(mapping,form,request,response);
        }else if("bookDel".equals(action)){
            return bookDel(mapping,form,request,response);
        }else if("bookDetail".equals(action)){
            return bookDetail(mapping,form,request,response);
        }else if("bookifQuery".equals(action)){
            return bookifQuery(mapping,form,request,response);
        }
        request.setAttribute("error","操作失败！");
        return mapping.findForward("error");
    }
    /***********************添加图书信息**************************/
    private ActionForward bookAdd(ActionMapping mapping, ActionForm form,
                              HttpServletRequest request,
                              HttpServletResponse response){
           BookForm bookForm = (BookForm) form;
           bookForm.setBarcode(bookForm.getBarcode());
           bookForm.setBookName(bookForm.getBookName());
           bookForm.setTypeId(bookForm.getTypeId());
           bookForm.setAuthor(bookForm.getAuthor());
           bookForm.setTranslator(bookForm.getTranslator());
           bookForm.setIsbn(bookForm.getIsbn());
           bookForm.setPrice(bookForm.getPrice());
           bookForm.setPage(bookForm.getPage());
           bookForm.setBookcaseid(bookForm.getBookcaseid());    
           //获取系统日期
           Date date1=new Date();
           java.sql.Date date=new java.sql.Date(date1.getTime());
           bookForm.setInTime(date.toString());
           bookForm.setOperator(bookForm.getOperator());
           int a=bookDAO.insert(bookForm);
           if(a==1){
               return mapping.findForward("bookAdd");
         }else if(a==2){
             request.setAttribute("error","该图书信息已经添加！");
             return mapping.findForward("error");
         }else{
             request.setAttribute("error","图书信息添加失败！");
             return mapping.findForward("error");
        }
       }
       /***********************查询全部图书信息**************************/
       private ActionForward bookQuery(ActionMapping mapping, ActionForm form,
                                 HttpServletRequest request,
                                 HttpServletResponse response){
       String str=null;
       request.setAttribute("book",bookDAO.query(str));	//将查询结果保存到book中
       return mapping.findForward("bookQuery");		//转到显示图书信息列表页面
       }
       /***********************条件查询图书信息**************************/
       private ActionForward bookifQuery(ActionMapping mapping, ActionForm form,
                                 HttpServletRequest request,
                                 HttpServletResponse response){
       String str=null;
       if(request.getParameter("f")!=null){
           str = request.getParameter("f") + " like '%" +
                        request.getParameter("key") + "%";
       }
       request.setAttribute("ifbook",bookDAO.query(str));
       System.out.print("条件查询图书信息时的str:"+str);
       return mapping.findForward("bookifQuery");
       }
        /***********************查询修改图书信息**************************/
        private ActionForward bookModifyQuery(ActionMapping mapping, ActionForm form,
                                 HttpServletRequest request,
                                 HttpServletResponse response){
            BookForm bookForm=(BookForm)form;
            System.out.println("查询修改图书信息："+request.getParameter("ID"));
            bookForm.setId(Integer.valueOf(request.getParameter("ID")));
            request.setAttribute("bookQueryif",bookDAO.queryM(bookForm));
            return mapping.findForward("bookQueryModify");
        }
        /***********************查询图书详细信息**************************/
        private ActionForward bookDetail(ActionMapping mapping, ActionForm form,
                                 HttpServletRequest request,
                                 HttpServletResponse response){
            BookForm bookForm=(BookForm)form;
            bookForm.setId(Integer.valueOf(request.getParameter("ID")));
            request.setAttribute("bookDetail",bookDAO.queryM(bookForm));
            return mapping.findForward("bookDeatil");
        }
        /***********************修改图书信息**************************/
        private ActionForward bookModify(ActionMapping mapping, ActionForm form,
                                 HttpServletRequest request,
                                 HttpServletResponse response){
            BookForm bookForm=(BookForm)form;		//实例化BookForm类
            bookForm.setBarcode(bookForm.getBarcode());	//获取并设置条形码属性
            bookForm.setBookName(bookForm.getBookName());
            bookForm.setTypeId(bookForm.getTypeId());
            bookForm.setAuthor(bookForm.getAuthor());
            bookForm.setTranslator(bookForm.getTranslator());
            bookForm.setIsbn(bookForm.getIsbn());
            bookForm.setPrice(bookForm.getPrice());
            bookForm.setPage(bookForm.getPage());
            bookForm.setBookcaseid(bookForm.getBookcaseid());
            bookForm.setInTime(bookForm.getInTime());
            bookForm.setOperator(bookForm.getOperator());
            int ret=bookDAO.update(bookForm);			//调用修改图书信息的方法update()
            if(ret==0){
                request.setAttribute("error","修改图书信息失败！");
                return mapping.findForward("error");		//转到错误提示页面
            }else{
                return mapping.findForward("bookModify");	//转到修改成功页面
            }
        }
        /***********************删除图书信息**************************/
        private ActionForward bookDel(ActionMapping mapping, ActionForm form,
                                 HttpServletRequest request,
                                 HttpServletResponse response){
            BookForm bookForm=(BookForm)form;
            bookForm.setId(Integer.valueOf(request.getParameter("ID")));
            int ret=bookDAO.delete(bookForm);
            if(ret==0){
                request.setAttribute("error","删除图书信息失败！");
                return mapping.findForward("error");
            }else{
                return mapping.findForward("bookDel");
            }
        }
}