📄 poll_method.jsp
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<%@ page language="java" contentType="text/html; charset=gb2312" pageEncoding="gb2312"%>
<%@page import ="java.util.*"%>
<%@page import ="com.bookshop.dao.*"%>
<%@page import ="com.util.*"%>
<%request.setCharacterEncoding("GBK");%>
<%@page import ="com.bookshop.dto.*"%>
<jsp:useBean id="poll" class="com.bookshop.dto.poll_dto" scope="request"/>
<jsp:setProperty name="poll" property="*"/>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>Insert title here</title>
</head>
<body>
<%
String action =request.getParameter("action");
poll_dao dao=new poll_dao();
if(action!=null&&action.equals("delete")){
String id=request.getParameter("id");
System.out.print(id+"-------------");
int n=dao.delete(id);
if(n>0)
out.print("<script>alert('删除成功');window.location.href='pollManage.jsp';</script>");
else
out.print("sorry");
}
if(action!=null&&action.equals("add")){
int n=dao.add(poll);
if(n>0)
out.print("<script>alert('添加成功');window.location.href='pollManage.jsp';</script>");
else
out.print("sorry");
}
%>
</body>
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