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BookCase.java~3~
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：4k
源码类别：

Jsp/Servlet

开发平台：

Java

BookCase.java~3~：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 actionMapping, ActionForm actionForm, HttpServletRequest servletRequest, HttpServletResponse servletResponse){
  39.         BookCaseForm bookCaseForm = (BookCaseForm) actionForm;
  40.         System.out.println("servlet:"+servletRequest.getParameter("name"));
  41.         bookCaseForm.setName(bookCaseForm.getName());
  42.         int a=bookCaseDAO.insert(bookCaseForm);
  43.         if(a==0){
  44.             servletRequest.setAttribute("error","书架信息添加失败！");
  45.             return actionMapping.findForward("error");
  46.       }else if(a==2){
  47.           servletRequest.setAttribute("error","该书架信息已经添加！");
  48.           return actionMapping.findForward("error");
  49.       }else{
  50.           return actionMapping.findForward("bookcaseAdd");
  51.      }
  52.     }
  53.     /***********************查询全部书架信息**************************/
  54.     private ActionForward bookCaseQuery(ActionMapping actionMapping,ActionForm actionForm,HttpServletRequest servletRequest,HttpServletResponse servletResponse){
  55.     String str=null;
  56.     servletRequest.setAttribute("bookcase",bookCaseDAO.query(str));
  57.     return actionMapping.findForward("bookcaseQuery");
  58.     }
  59.      /***********************查询修改书架信息**************************/
  60.      private ActionForward bookCaseModifyQuery(ActionMapping actionMapping,ActionForm actionForm,HttpServletRequest servletRequest,HttpServletResponse servletResponse){
  61.          BookCaseForm bookCaseForm=(BookCaseForm)actionForm;
  62.          bookCaseForm.setId(Integer.valueOf(servletRequest.getParameter("ID")));
  63.          servletRequest.setAttribute("bookCaseQueryif",bookCaseDAO.queryM(bookCaseForm));
  64.          return actionMapping.findForward("bookCaseQueryModify");
  65.      }
  66.      /***********************修改书架信息**************************/
  67.      private ActionForward bookCaseModify(ActionMapping actionMapping,ActionForm actionForm,HttpServletRequest servletRequest,HttpServletResponse servletResponse){
  68.          BookCaseForm bookCaseForm=(BookCaseForm)actionForm;
  69.          bookCaseForm.setName(servletRequest.getParameter("name"));
  70.          int ret=bookCaseDAO.update(bookCaseForm);
  71.          if(ret==0){
  72.              return actionMapping.findForward("error");
  73.          }else{
  74.              return actionMapping.findForward("bookCaseModify");
  75.          }
  76.      }
  77.      /***********************删除书架信息**************************/
  78.      private ActionForward bookCaseDel(ActionMapping actionMapping,ActionForm actionForm,HttpServletRequest servletRequest,HttpServletResponse servletResponse){
  79.          BookCaseForm bookCaseForm=(BookCaseForm)actionForm;
  80.          bookCaseForm.setId(Integer.valueOf(servletRequest.getParameter("ID")));
  81.          int ret=bookCaseDAO.delete(bookCaseForm);
  82.          if(ret==0){
  83.              return actionMapping.findForward("error");
  84.          }else{
  85.              return actionMapping.findForward("bookCaseDel");
  86.          }
  87.      }
  88. }