JavaWeb——课程管理系统（1）jsp界面---18.11.29

zoukankan html css js c++ java

JavaWeb——课程管理系统（1）jsp界面---18.11.29

add.jsp

<%@page import="com.jaovo.msg.Util.ValidateUtil"%>
<%@page import="com.jaovo.msg.Util.UserException"%>
<%@page import="com.jaovo.msg.dao.UserDaoImpl"%>
<%@page import="com.jaovo.msg.model.User"%>
<%@ 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>
<%
//接收客户端传递过来的参数
String name = request.getParameter("name");
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[]{"name","time","jieci","college","tid","tname","number"});
if(!validate){
%>
<jsp:forward page="addInput.jsp"></jsp:forward>
<%
}
User user = new User();
user.setName(name);
user.setTime(time);
user.setJieci(jieci);
user.setCollege(college);
user.setTid(tid);
user.setTname(tname);
user.setNumber(number);
UserDaoImpl userDao = new UserDaoImpl();
try{
userDao.add(user);
//重定向
response.sendRedirect("index.jsp");//跳转
%>

<%
}catch(UserException e){
%>
<h2 style="color:red ; font-size:50px">发生错误 : <%=e.getMessage() %></h2>
<%
}
%>
</html>

addInput.jsp

<%@page import="com.jaovo.msg.Util.ValidateUtil"%>
<%@page import="java.util.Map"%>
<%@ 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>用户添加页面</title>
</head>
<body>
<%-- <%Map<String,String> errorMsg = (Map<String,String>)request.getAttribute("errorMsg"); --%>
<%-- %> --%>

<form action="add.jsp" method="get">
  <table align="center" border="1" width="500">
   <tr>
    <td>课程名称 : </td>
    <td>
     <input type="text" name="name" />
     <%
//       if(errorMsg != null){
//        if(errorMsg.get("name") != null){
//         out.println( errorMsg.get("name"));
//        }
//       }

     %>
     <%=ValidateUtil.showError(request, "name") %>
    </td>
   </tr>
    <tr>
       <td>上课时间:</td>
       <td>
        <input type="text" name="time" />
        <%
//       if(errorMsg != null){
//        if(errorMsg.get("time") != null){
//         out.println( errorMsg.get("time"));
//        }
//       }

     %>
     <%=ValidateUtil.showError(request, "time") %>
       </td>
      </tr>
      <tr>
       <td>课程节次:</td>
       <td>
        <input type="text" name="jieci" />
        <%
//       if(errorMsg != null){
//        if(errorMsg.get("jieci") != null){
//         out.println( errorMsg.get("jieci"));
//        }
//       }

     %>
     <%=ValidateUtil.showError(request, "jieci") %>
       </td>
      </tr>
      <tr>
       <td>所属学院:</td>
       <td>
        <input type="text" name="college" />
        <%
//       if(errorMsg != null){
//        if(errorMsg.get("college") != null){
//         out.println( errorMsg.get("college"));
//        }
//       }

     %>
     <%=ValidateUtil.showError(request, "college") %>
       </td>
      </tr>
      <tr>
       <td>教师工号:</td>
       <td>
        <input type="text" name="tid" />
        <%
//       if(errorMsg != null){
//        if(errorMsg.get("tid") != null){
//         out.println( errorMsg.get("tid"));
//        }
//       }

     %>
     <%=ValidateUtil.showError(request, "tid") %>
       </td>
      </tr>
      <tr>
       <td>教师姓名:</td>
       <td>
        <input type="text" name="tname" />
        <%
//       if(errorMsg != null){
//        if(errorMsg.get("tname") != null){
//         out.println( errorMsg.get("tname"));
//        }
//       }

     %>
     <%=ValidateUtil.showError(request, "tname") %>
       </td>
      </tr>
      <tr>
       <td>限制人数:</td>
       <td>
        <input type="text" name="number" />
        <%
//       if(errorMsg != null){
//        if(errorMsg.get("number") != null){
//         out.println( errorMsg.get("number"));
//        }
//       }

     %>
     <%=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>

delete.jsp

<%@page import="com.jaovo.msg.Util.DaoFactory"%>
<%@page import="com.jaovo.msg.dao.UserDaoImpl"%>
<%@ 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">
<%
int id = Integer.parseInt(request.getParameter("id"));
//工厂模式
UserDaoImpl userDao = DaoFactory.getDaoImpl();
userDao.delete(id);
response.sendRedirect("./index.jsp");
%>

index.jsp

<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>首页</title>
<style>
.a{
  font-size: 26px;
  margin-top: 20px;
}
</style>
</head>
<body>
<div align="center">
  <h1 style="color: red;">欢迎来到课程系统</h1>
  <div class="a">
   <a href="addInput.jsp">增</a>
  </div>
  <div class="a">
   <a href="list.jsp">删</a>
  </div>
  <div class="a">
   <a href="list.jsp">改</a>
  </div>
  <div class="a">
   <a href="list.jsp">查</a>
  </div>

</div>
</body>
</html>

list.jsp

<%@page import="com.jaovo.msg.model.User"%>
<%@page import="java.util.List"%>
<%@page import="com.jaovo.msg.dao.UserDaoImpl"%>
<%@ 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>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>用户展示界面</title>
</head>
<%
UserDaoImpl userDao = new UserDaoImpl();
List<User> users = userDao.load();
%>
<body>
<table align="center" border="1" width="500">
  <tr>
   <td>课程编号</td>
   <td>课程名称</td>
   <td>开课时间</td>
   <td>开课节次</td>
   <td>所属学院</td>
   <td>教师工号</td>
   <td>教师名称</td>
   <td>限制人数</td>
  </tr>
  <%
   for( User user : users ){
  %>
  <tr>
   <td> <%=user.getId() %></td>
   <td> <%=user.getName() %></td>
   <td> <%=user.getTime() %></td>
   <td> <%=user.getJieci() %></td>
   <td> <%=user.getCollege() %></td>
   <td> <%=user.getTid() %></td>
   <td> <%=user.getTname() %></td>
   <td> <%=user.getNumber() %></td>
   <td> <a href="delete.jsp?id=<%=user.getId() %>" >删除</a></td>
   <td> <a href="updateInput.jsp?id=<%=user.getId() %>" >修改</a></td>

  </tr>
  <%
   }

  %>

</table>
</body>
</html>

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>

查看全文

相关阅读:
836. Rectangle Overlap
背包问题---01背包最优方案总数(原理剖析代码实现)
背包问题---01背包(原理,伪代码,编程实现)
DP---基本思想具体实现经典题目 POJ1160 POJ1037
DP---(POJ1159 POJ1458 POJ1141)
DP--HDU 1003（最大子串和）
DP----入门的一些题目(POJ1088 POJ1163 POJ1050)
DFS(DP)---POJ 1014(Dividing)
博弈---斐波那契博弈
 元素相加交换另解&puts的一个用法

原文地址：https://www.cnblogs.com/mitang0-0/p/10308316.html