【Java开源代码栏目提醒】:网学会员为需要Java开源代码的朋友们搜集整理了BookCase.java相关资料,希望对各位网友有所帮助!
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.BookCaseForm;
import org.apache.struts.action.Action;
import com.dao.BookCaseDAO;
public class BookCase extends Action {
private BookCaseDAO bookCaseDAO=null;
public BookCase(){
this.bookCaseDAO=new BookCaseDAO();
}
public ActionForward perform(ActionMapping mapping, ActionForm form,
HttpServletRequest request,
HttpServletResponse response) {
String action =request.getParameter("action");
System.out.println("\nbookCase*********************action="+action);
if(action==null||"".equals(action)){
return mapping.findForward("error");
}else if("bookCaseAdd".equals(action)){
return bookCaseAdd(mapping,form,request,response);
}else if("bookCaseQuery".equals(action)){
return bookCaseQuery(mapping,form,request,response);
}else if("bookCaseModifyQuery".equals(action)){
return bookCaseModifyQuery(mapping,form,request,response);
}else if("bookCaseModify".equals(action)){
return bookCaseModify(mapping,form,request,response);
}else if("bookCaseDel".equals(action)){
return bookCaseDel(mapping,form,request,response);
}
request.setAttribute("error","操作失败!");
return mapping.findForward("error");
}
/***********************添加书架信息**************************/
private ActionForward bookCaseAdd(ActionMapping mapping, ActionForm form,
HttpServletRequest request,
HttpServletResponse response){
BookCaseForm bookCaseForm = (BookCaseForm) form;
System.out.println("servlet:"+request.getParameter("name"));
bookCaseForm.setName(bookCaseForm.getName());
int a=bookCaseDAO.insert(bookCaseForm);
if(a==0){
request.setAttribute("error","书架信息添加失败!");
return mapping.findForward("error");
}else if(a==2){
request.setAttribute("error","该书架信息已经添加!");
return mapping.findForward("error");
}else{
return mapping.findForward("bookcaseAdd");
}
}
/***********************查询全部书架信息**************************/
private ActionForward bookCaseQuery(ActionMapping mapping, ActionForm form,
HttpServletRequest request,
HttpServletResponse response){
String str=null;
request.setAttribute("bookcase",bookCaseDAO.query(str));
return mapping.findForward("bookcaseQuery");
}
/***********************
查询修改书架信息**************************/
private ActionForward bookCaseModifyQuery(ActionMapping mapping, ActionForm form,
HttpServletRequest request,
HttpServletResponse response){
BookCaseForm bookCaseForm=(BookCaseForm)form;
bookCaseForm.setId(Integer.valueOf(request.getParameter("ID")));
request.setAttribute("bookCaseQueryif",bookCaseDAO.queryM(bookCaseForm));
return mapping.findForward("bookCaseQueryModify");
}
/***********************修改书架信息**************************/
private ActionForward bookCaseModify(ActionMapping mapping, ActionForm form,
HttpServletRequest request,
HttpServletResponse response){
BookCaseForm bookCaseForm=(BookCaseForm)form;
bookCaseForm.setName(request.getParameter("name"));
int ret=bookCaseDAO.update(bookCaseForm);
if(ret==0){
request.setAttribute("error","修改书架信息失败!");
return mapping.findForward("error");
}else{
return mapping.findForward("bookCaseModify");
}
}
/***********************删除书架信息**************************/
private ActionForward bookCaseDel(ActionMapping mapping, ActionForm form,
HttpServletRequest request,
HttpServletResponse response
){
BookCaseForm bookCaseForm=(BookCaseForm)form;
bookCaseForm.setId(Integer.valueOf(request.getParameter("ID")));
int ret=bookCaseDAO.delete(bookCaseForm);
if(ret==0){
request.setAttribute("error","删除书架信息失败!");
return mapping.findForward("error");
}else{
return mapping.findForward("bookCaseDel");
}
}
}