开通博客赚积分
发布资源赚积分
分类

源码开发语言/平台
当前位置：首页 > 源码/资料 > 图形图象 > 查看源码
BookCase.java
资源名称：Library.rar　[点击查看]
上传用户：ycdfsj258
上传日期：2022-08-04
资源大小：1094k
文件大小：5k
源码类别：

图形图象

开发平台：

Java

BookCase.java：源码内容
  1. package com.action;
  3. import org.apache.struts.action.ActionMapping;
  4. import org.apache.struts.action.ActionForm;
  5. import javax.servlet.http.HttpServletRequest;
  6. import javax.servlet.http.HttpServletResponse;
  7. import org.apache.struts.action.ActionForward;
  8. import com.actionForm.BookCaseForm;
  9. import org.apache.struts.action.Action;
  10. import com.dao.BookCaseDAO;
  12. public class BookCase extends Action {
  13.     private BookCaseDAO bookCaseDAO=null;
  14.     public BookCase(){
  15.         this.bookCaseDAO=new BookCaseDAO();
  16.     }
  17.     public ActionForward perform(ActionMapping mapping, ActionForm form,
  18.                                  HttpServletRequest request,
  19.                                  HttpServletResponse response) {
  20.     String action =request.getParameter("action");
  21.     System.out.println("nbookCase*********************action="+action);
  22.     if(action==null||"".equals(action)){
  23.         return mapping.findForward("error");
  24.     }else if("bookCaseAdd".equals(action)){
  25.         return bookCaseAdd(mapping,form,request,response);
  26.     }else if("bookCaseQuery".equals(action)){
  27.         return bookCaseQuery(mapping,form,request,response);
  28.     }else if("bookCaseModifyQuery".equals(action)){
  29.         return bookCaseModifyQuery(mapping,form,request,response);
  30.     }else if("bookCaseModify".equals(action)){
  31.         return bookCaseModify(mapping,form,request,response);
  32.     }else if("bookCaseDel".equals(action)){
  33.         return bookCaseDel(mapping,form,request,response);
  34.     }
  35.         request.setAttribute("error","操作失败！");
  36.         return mapping.findForward("error");
  37.     }
  38.  /***********************添加书架信息**************************/
  39.  private ActionForward bookCaseAdd(ActionMapping mapping, ActionForm form,
  40.                               HttpServletRequest request,
  41.                               HttpServletResponse response){
  42.         BookCaseForm bookCaseForm = (BookCaseForm) form;
  43.         System.out.println("servlet:"+request.getParameter("name"));
  44.         bookCaseForm.setName(bookCaseForm.getName());
  45.         int a=bookCaseDAO.insert(bookCaseForm);
  46.         if(a==0){
  47.             request.setAttribute("error","书架信息添加失败！");
  48.             return mapping.findForward("error");
  49.       }else if(a==2){
  50.           request.setAttribute("error","该书架信息已经添加！");
  51.           return mapping.findForward("error");
  52.       }else{
  53.           return mapping.findForward("bookcaseAdd");
  54.      }
  55.     }
  56.     /***********************查询全部书架信息**************************/
  57.     private ActionForward bookCaseQuery(ActionMapping mapping, ActionForm form,
  58.                               HttpServletRequest request,
  59.                               HttpServletResponse response){
  60.     String str=null;
  61.     request.setAttribute("bookcase",bookCaseDAO.query(str));
  62.     return mapping.findForward("bookcaseQuery");
  63.     }
  64.      /***********************查询修改书架信息**************************/
  65.      private ActionForward bookCaseModifyQuery(ActionMapping mapping, ActionForm form,
  66.                               HttpServletRequest request,
  67.                               HttpServletResponse response){
  68.          BookCaseForm bookCaseForm=(BookCaseForm)form;
  69.          bookCaseForm.setId(Integer.valueOf(request.getParameter("ID")));
  70.          request.setAttribute("bookCaseQueryif",bookCaseDAO.queryM(bookCaseForm));
  71.          return mapping.findForward("bookCaseQueryModify");
  72.      }
  73.      /***********************修改书架信息**************************/
  74.      private ActionForward bookCaseModify(ActionMapping mapping, ActionForm form,
  75.                               HttpServletRequest request,
  76.                               HttpServletResponse response){
  77.          BookCaseForm bookCaseForm=(BookCaseForm)form;
  78.          bookCaseForm.setName(request.getParameter("name"));
  79.          int ret=bookCaseDAO.update(bookCaseForm);
  80.          if(ret==0){
  81.              request.setAttribute("error","修改书架信息失败！");
  82.              return mapping.findForward("error");
  83.          }else{
  84.              return mapping.findForward("bookCaseModify");
  85.          }
  86.      }
  87.      /***********************删除书架信息**************************/
  88.      private ActionForward bookCaseDel(ActionMapping mapping, ActionForm form,
  89.                               HttpServletRequest request,
  90.                               HttpServletResponse response
  91. ){
  92.          BookCaseForm bookCaseForm=(BookCaseForm)form;
  93.          bookCaseForm.setId(Integer.valueOf(request.getParameter("ID")));
  94.          int ret=bookCaseDAO.delete(bookCaseForm);
  95.          if(ret==0){
  96.              request.setAttribute("error","删除书架信息失败！");
  97.              return mapping.findForward("error");
  98.          }else{
  99.              return mapping.findForward("bookCaseDel");
  100.          }
  101.      }
  102. }