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BookCase.java~8~
资源名称：LibraryManage.rar　[点击查看]
上传用户：toby828
上传日期：2015-06-26
资源大小：8558k
文件大小：5k
源码类别：

Jsp/Servlet

开发平台：

Java

BookCase.java~8~：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.         return mapping.findForward("error");
  36.     }
  37.  /***********************添加书架信息**************************/
  38.  private ActionForward bookCaseAdd(ActionMapping mapping, ActionForm form,
  39.                               HttpServletRequest request,
  40.                               HttpServletResponse response){
  41.         BookCaseForm bookCaseForm = (BookCaseForm) form;
  42.         System.out.println("servlet:"+request.getParameter("name"));
  43.         bookCaseForm.setName(bookCaseForm.getName());
  44.         int a=bookCaseDAO.insert(bookCaseForm);
  45.         if(a==0){
  46.             request.setAttribute("error","书架信息添加失败！");
  47.             return mapping.findForward("error");
  48.       }else if(a==2){
  49.           request.setAttribute("error","该书架信息已经添加！");
  50.           return mapping.findForward("error");
  51.       }else{
  52.           return mapping.findForward("bookcaseAdd");
  53.      }
  54.     }
  55.     /***********************查询全部书架信息**************************/
  56.     private ActionForward bookCaseQuery(ActionMapping mapping, ActionForm form,
  57.                               HttpServletRequest request,
  58.                               HttpServletResponse response){
  59.     String str=null;
  60.     request.setAttribute("bookcase",bookCaseDAO.query(str));
  61.     return mapping.findForward("bookcaseQuery");
  62.     }
  63.      /***********************查询修改书架信息**************************/
  64.      private ActionForward bookCaseModifyQuery(ActionMapping mapping, ActionForm form,
  65.                               HttpServletRequest request,
  66.                               HttpServletResponse response){
  67.          BookCaseForm bookCaseForm=(BookCaseForm)form;
  68.          bookCaseForm.setId(Integer.valueOf(request.getParameter("ID")));
  69.          request.setAttribute("bookCaseQueryif",bookCaseDAO.queryM(bookCaseForm));
  70.          return mapping.findForward("bookCaseQueryModify");
  71.      }
  72.      /***********************修改书架信息**************************/
  73.      private ActionForward bookCaseModify(ActionMapping mapping, ActionForm form,
  74.                               HttpServletRequest request,
  75.                               HttpServletResponse response){
  76.          BookCaseForm bookCaseForm=(BookCaseForm)form;
  77.          bookCaseForm.setName(request.getParameter("name"));
  78.          int ret=bookCaseDAO.update(bookCaseForm);
  79.          if(ret==0){
  80.              request.setAttribute("error","修改书架信息失败！");
  81.              return mapping.findForward("error");
  82.          }else{
  83.              return mapping.findForward("bookCaseModify");
  84.          }
  85.      }
  86.      /***********************删除书架信息**************************/
  87.      private ActionForward bookCaseDel(ActionMapping mapping, ActionForm form,
  88.                               HttpServletRequest request,
  89.                               HttpServletResponse response
  90. ){
  91.          BookCaseForm bookCaseForm=(BookCaseForm)form;
  92.          bookCaseForm.setId(Integer.valueOf(request.getParameter("ID")));
  93.          int ret=bookCaseDAO.delete(bookCaseForm);
  94.          if(ret==0){
  95.              request.setAttribute("error","删除书架信息失败！");
  96.              return mapping.findForward("error");
  97.          }else{
  98.              return mapping.findForward("bookCaseDel");
  99.          }
  100.      }
  101. }