📄 returnback_c.jsp
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<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<%@page import="dal.RentDao"%>
<%@page import="domain.Rent"%>
<%@page import="java.sql.Timestamp"%><html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
</head>
<body>
<%
String action=request.getParameter("action");
String rentId=request.getParameter("rentId");
String allPrice=request.getParameter("allprice");
boolean value=false;
RentDao dao=new RentDao();
System.out.println(action);
System.out.println(rentId);
if(action!=null&&"back".equals(action)&&rentId!=null&&!"".equals(rentId)){
Rent r=new Rent();
r.setRentId(Integer.valueOf(rentId));
r.setBacktime(new Timestamp(System.currentTimeMillis()));
r.setAllprice(Double.valueOf(allPrice));
value=dao.updataFlag(r);
}
if(value){
request.setAttribute("msg", "保存成功!");
request.getRequestDispatcher("OK.jsp").forward(request,response);
}else{
request.setAttribute("msg", "保存失败,请重试!");
request.getRequestDispatcher("wrong.jsp").forward(request,response);
}
%>
</body>
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