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BookCase.java~2~
Package: LibraryManage.rar　[view]
Upload User: toby828
Upload Date: 2015-06-26
Package Size: 8558k
Code Size: 5k
Category:

Jsp/Servlet

Development Platform:

Java

BookCase.java~2~：Code Content
  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 actionMapping,
  18.                                  ActionForm actionForm,
  19.                                  HttpServletRequest servletRequest,
  20.                                  HttpServletResponse servletResponse) {
  21.     String action =servletRequest.getParameter("action");
  22.     System.out.println("nbookCase*********************action="+action);
  23.     if(action==null||"".equals(action)){
  24.         return actionMapping.findForward("error");
  25.     }else if("bookCaseAdd".equals(action)){
  26.         return bookCaseAdd(actionMapping,actionForm,servletRequest,servletResponse);
  27.     }else if("bookCaseQuery".equals(action)){
  28.         return bookCaseQuery(actionMapping,actionForm,servletRequest,servletResponse);
  29.     }else if("bookCaseModifyQuery".equals(action)){
  30.         return bookCaseModifyQuery(actionMapping,actionForm,servletRequest,servletResponse);
  31.     }else if("bookCaseModify".equals(action)){
  32.         return bookCaseModify(actionMapping,actionForm,servletRequest,servletResponse);
  33.     }else if("bookCaseDel".equals(action)){
  34.         return bookCaseDel(actionMapping,actionForm,servletRequest,servletResponse);
  35.     }
  36.     return actionMapping.findForward("error");
  37.     }
  38.  /***********************添加书架信息**************************/
  39.     private ActionForward bookCaseAdd(ActionMapping actionMapping, ActionForm actionForm, HttpServletRequest servletRequest, HttpServletResponse servletResponse){
  40.         BookCaseForm bookCaseForm = (BookCaseForm) actionForm;
  41.         System.out.println("servlet:"+servletRequest.getParameter("name"));
  42.         bookCaseForm.setName(bookCaseForm.getName());
  43.         int a=bookCaseDAO.insert(bookCaseForm);
  44.         if(a==0){
  45.             servletRequest.setAttribute("error","书架信息添加失败！");
  46.             return actionMapping.findForward("error");
  47.       }else if(a==2){
  48.           servletRequest.setAttribute("error","该书架信息已经添加！");
  49.           return actionMapping.findForward("error");
  50.       }else{
  51.           return actionMapping.findForward("bookcaseAdd");
  52.      }
  53.     }
  54.     /***********************查询全部书架信息**************************/
  55.     private ActionForward bookCaseQuery(ActionMapping actionMapping,ActionForm actionForm,HttpServletRequest servletRequest,HttpServletResponse servletResponse){
  56.     String str=null;
  57.     servletRequest.setAttribute("bookcase",bookCaseDAO.query(str));
  58.     return actionMapping.findForward("bookcaseQuery");
  59.     }
  60.      /***********************查询修改书架信息**************************/
  61.      private ActionForward bookCaseModifyQuery(ActionMapping actionMapping,ActionForm actionForm,HttpServletRequest servletRequest,HttpServletResponse servletResponse){
  62.          BookCaseForm bookCaseForm=(BookCaseForm)actionForm;
  63.          bookCaseForm.setId(Integer.valueOf(servletRequest.getParameter("ID")));
  64.          servletRequest.setAttribute("bookCaseQueryif",bookCaseDAO.queryM(bookCaseForm));
  65.          return actionMapping.findForward("bookCaseQueryModify");
  66.      }
  67.      /***********************修改书架信息**************************/
  68.      private ActionForward bookCaseModify(ActionMapping actionMapping,ActionForm actionForm,HttpServletRequest servletRequest,HttpServletResponse servletResponse){
  69.          BookCaseForm bookCaseForm=(BookCaseForm)actionForm;
  70.          bookCaseForm.setName(servletRequest.getParameter("name"));
  71.          int ret=bookCaseDAO.update(bookCaseForm);
  72.          if(ret==0){
  73.              return actionMapping.findForward("error");
  74.          }else{
  75.              return actionMapping.findForward("bookCaseModify");
  76.          }
  77.      }
  78.      /***********************删除书架信息**************************/
  79.      private ActionForward bookCaseDel(ActionMapping actionMapping,ActionForm actionForm,HttpServletRequest servletRequest,HttpServletResponse servletResponse){
  80.          BookCaseForm bookCaseForm=(BookCaseForm)actionForm;
  81.          bookCaseForm.setId(Integer.valueOf(servletRequest.getParameter("ID")));
  82.          int ret=bookCaseDAO.delete(bookCaseForm);
  83.          if(ret==0){
  84.              return actionMapping.findForward("error");
  85.          }else{
  86.              return actionMapping.findForward("bookCaseDel");
  87.          }
  88.      }
  89. }