JavaWeb——课程管理系统(1)jsp界面---18.11.29
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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> ? ?
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