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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.void;
import com.actionForm.BookForm;
import org.apache.struts.action.Action;
import com.dao.BookDAO;
import java.util.Date;
public class Book extends Action {
private BookDAO bookDAO = null;
public Book() {
this.bookDAO = new BookDAO();
}
public void execute(ActionMapping mapping, ActionForm form,
HttpServletRequest request,
HttpServletResponse response) {
String action =request.getParameter("action");
System.out.println("\nbook*********************action="+action);
if(action==null||"".equals(action)){
request.setAttribute("error","您的操作有误！");
request.getRequestDispatcher("error.jsp").forward(request, response);
}else if("bookAdd".equals(action)){
return bookAdd(request,response);
}else if("bookQuery".equals(action)){
return bookQuery(request,response);
}else if("bookModifyQuery".equals(action)){
return bookModifyQuery(request,response);
}else if("bookModify".equals(action)){
return bookModify(request,response);
}else if("bookDel".equals(action)){
return bookDel(request,response);
}else if("bookDetail".equals(action)){
return bookDetail(request,response);
}else if("bookifQuery".equals(action)){
return bookifQuery(request,response);
}
request.setAttribute("error","操作失败！");
request.getRequestDispatcher("error.jsp").forward(request, response);
}
/***********************添加图书信息**************************/
private void bookAdd(ActionMapping mapping, ActionForm form,
HttpServletRequest request,
HttpServletResponse response){
BookForm bookForm = (BookForm) form;
bookForm.setBarcode(bookForm.getBarcode());
bookForm.setBookName(bookForm.getBookName());
bookForm.setTypeId(bookForm.getTypeId());
bookForm.setAuthor(bookForm.getAuthor());
bookForm.setTranslator(bookForm.getTranslator());
bookForm.setIsbn(bookForm.getIsbn());
bookForm.setPrice(bookForm.getPrice());
bookForm.setPage(bookForm.getPage());
bookForm.setBookcaseid(bookForm.getBookcaseid());
//获取系统日期
Date date1=new Date();
java.sql.Date date=new java.sql.Date(date1.getTime());
bookForm.setInTime(date.toString());
bookForm.setOperator(bookForm.getOperator());
int a=bookDAO.insert(bookForm);
if(a==1){
return mapping.findForward("bookAdd");
}else if(a==2){
request.setAttribute("error","该图书信息已经添加！");
request.getRequestDispatcher("error.jsp").forward(request, response);
}else{
request.setAttribute("error","图书信息添加失败！");
request.getRequestDispatcher("error.jsp").forward(request, response);
}
}
/***********************查询全部图书信息**************************/
private void bookQuery(ActionMapping mapping, ActionForm form,
HttpServletRequest request,
HttpServletResponse response){
String str=null;
request.setAttribute("book",bookDAO.query(str)); //将查询结果保存到book中
return mapping.findForward("bookQuery"); //转到显示图书信息列表页面
}
/***********************条件查询图书信息**************************/
private void bookifQuery(ActionMapping mapping, ActionForm form,
HttpServletRequest request,
HttpServletResponse response){
String str=null;
if(request.getParameter("f")!=null){
str = request.getParameter("f") + " like '%" +
request.getParameter("key") + "%";
}
request.setAttribute("ifbook",bookDAO.query(str));
System.out.print("条件查询图书信息时的str:"+str);
return mapping.findForward("bookifQuery");
}
/***********************查询修改图书信息**************************/
private void bookModifyQuery(ActionMapping mapping, ActionForm form,
HttpServletRequest request,
HttpServletResponse response){
BookForm bookForm=(BookForm)form;
System.out.println("查询修改图书信息："+request.getParameter("ID"));
bookForm.setId(Integer.valueOf(request.getParameter("ID")));
request.setAttribute("bookQueryif",bookDAO.queryM(bookForm));
return mapping.findForward("bookQueryModify");
}
/***********************查询图书详细信息**************************/
private void bookDetail(ActionMapping mapping, ActionForm form,
HttpServletRequest request,
HttpServletResponse response){
BookForm bookForm=(BookForm)form;
bookForm.setId(Integer.valueOf(request.getParameter("ID")));
request.setAttribute("bookDetail",bookDAO.queryM(bookForm));
return mapping.findForward("bookDeatil");
}
/***********************修改图书信息**************************/
private void bookModify(ActionMapping mapping, ActionForm form,
HttpServletRequest request,
HttpServletResponse response){
BookForm bookForm=(BookForm)form; //实例化BookForm类
bookForm.setBarcode(bookForm.getBarcode()); //获取并设置条形码属性
bookForm.setBookName(bookForm.getBookName());
bookForm.setTypeId(bookForm.getTypeId());
bookForm.setAuthor(bookForm.getAuthor());
bookForm.setTranslator(bookForm.getTranslator());
bookForm.setIsbn(bookForm.getIsbn());
bookForm.setPrice(bookForm.getPrice());
bookForm.setPage(bookForm.getPage());
bookForm.setBookcaseid(bookForm.getBookcaseid());
bookForm.setInTime(bookForm.getInTime());
bookForm.setOperator(bookForm.getOperator());
int ret=bookDAO.update(bookForm); //调用修改图书信息的方法update()
if(ret==0){
request.setAttribute("error","修改图书信息失败！");
request.getRequestDispatcher("error.jsp").forward(request, response); //转到错误提示页面
}else{
return mapping.findForward("bookModify"); //转到修改成功页面
}
}
/***********************删除图书信息**************************/
private void bookDel(ActionMapping mapping, ActionForm form,
HttpServletRequest request,
HttpServletResponse response){
BookForm bookForm=(BookForm)form;
bookForm.setId(Integer.valueOf(request.getParameter("ID")));
int ret=bookDAO.delete(bookForm);
if(ret==0){
request.setAttribute("error","删除图书信息失败！");
request.getRequestDispatcher("error.jsp").forward(request, response);
}else{
return mapping.findForward("bookDel");
}
}
}