2020.11.23收获

update.jsp
 
<%@page import="com.jaovo.msg.model.User"%>
<%@page import="com.jaovo.msg.Util.DaoFactory"%>
<%@page import="com.jaovo.msg.dao.IUserDao"%>
<%@page import="com.jaovo.msg.Util.ValidateUtil"%>
<%@ 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">
<%
 //获取客户端传递过来的参数
 int id = Integer.parseInt(request.getParameter("id"));
 String time = request.getParameter("time");
 String jieci = request.getParameter("jieci");
 String college = request.getParameter("college");
 String tid = request.getParameter("tid");
 String tname = request.getParameter("tname");
 String number = request.getParameter("number");
 
 boolean validate = ValidateUtil.validateNull(request, new String[]{"age","major"});
 if(!validate){
%> 
 <jsp:forward page="updateInput.jsp"></jsp:forward> 
<%
 }
 IUserDao userDao = DaoFactory.getDaoImpl();
 User user = userDao.load(id);
 
 user.setTime(time);
 user.setJieci(jieci);
 user.setCollege(college);
 user.setTid(tid);
 user.setTname(tname);
 user.setNumber(number);
 
 userDao.update(user);
 
 response.sendRedirect("index.jsp");
%>
 
updateInput.jsp
 
<%@page import="com.jaovo.msg.Util.ValidateUtil"%>
<%@page import="com.jaovo.msg.model.User"%>
<%@page import="com.jaovo.msg.Util.DaoFactory"%>
<%@page import="com.jaovo.msg.dao.IUserDao"%>
<%@ 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">
<html>
<head>
<title>用户修改页面</title>
</head>
<body>
 <%
  //获取客户端传递过来的参数
  int id = Integer.parseInt(request.getParameter("id"));
  IUserDao userDao = DaoFactory.getDaoImpl();
  User user = userDao.load(id);
 %>
 <form action="update.jsp" method="get">
  <table align="center" border="1" width="500">
   <input type="hidden" name="id" value="<%=user.getId() %>" />
   <tr>
    <td>课程名称 : </td>
    <td>
     <input type="text" name="name" value="<%=user.getName() %>" />
     <%=ValidateUtil.showError(request, "name") %>
    </td>
   </tr>
    <tr>
       <td>开课时间:</td>
       <td>
        <input type="text" name="time" value="<%=user.getTime() %>" />
        <%=ValidateUtil.showError(request, "time") %>
       </td>
      <tr>
    <td>开课节次 : </td>
    <td>
     <input type="text" name="jieci" value="<%=user.getJieci() %>" />
     <%=ValidateUtil.showError(request, "jieci") %>
    </td>
   </tr>
   <tr>
    <td>所属学院 : </td>
    <td>
     <input type="text" name="college" value="<%=user.getCollege() %>" />
     <%=ValidateUtil.showError(request, "college") %>
    </td>
   </tr>
   <tr>
    <td>教师工号 : </td>
    <td>
     <input type="text" name="tid" value="<%=user.getTid() %>" />
     <%=ValidateUtil.showError(request, "tid") %>
    </td>
   </tr>
   <tr>
    <td>教师姓名 : </td>
    <td>
     <input type="text" name="tname" value="<%=user.getTname() %>" />
     <%=ValidateUtil.showError(request, "tname") %>
    </td>
   </tr>
   <tr>
    <td>限制人数 : </td>
    <td>
     <input type="text" name="number" value="<%=user.getNumber() %>" />
     <%=ValidateUtil.showError(request, "number") %>
    </td>
   </tr>
      <tr align="center">
       <td colspan="2">
        <input type="submit" value="提交" />
        <input type="reset" value="重置" />
       </td>
      </tr>
  </table>
 </form>
</body>
</html>
原文地址:https://www.cnblogs.com/ltw222/p/14067720.html