📄 user_modify.jsp
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<%@ page language="java" import="java.sql.*" pageEncoding="UTF-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<base href="<%=basePath%>">
<title>My JSP 'manager.jsp' starting page</title>
<meta http-equiv="pragma" content="no-cache">
<meta http-equiv="cache-control" content="no-cache">
<meta http-equiv="expires" content="0">
<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
<meta http-equiv="description" content="This is my page">
<!--
<link rel="stylesheet" type="text/css" href="styles.css">
-->
</head>
<jsp:useBean id="test1" scope="application" class="test.Connect_db"/>
<body>
<%
Connection con=test1.getConnection();
String user_class=request.getParameter("user_class1");
if(user_class==null){ %>
<jsp:forward page="select_user_class.jsp">
<jsp:param name="operater" value="modify"/>
</jsp:forward>
<%}%>
<% String sql1="select * from student";
String sql2="select * from teacher";
String sql3="select * from administrator";
if(user_class.equals("student")){
Statement stmt=con.createStatement();
ResultSet rs=stmt.executeQuery(sql1);%>
<TABLE border="1" align="center">
<TR><TH>学号</TH><TH>密码</TH><TH>姓名</TH><TH>性别</TH><TH>学期</TH>
<TH>专业</TH><TH>电话</TH><TH>学分数</TH><TH>年龄</TH><TH>政治面貌</TH><TH>操作</TH>
</TR>
<% while(rs.next())
{%>
<TR>
<TD><%=rs.getString(1)%></TD>
<TD><%=rs.getString(2)%> </TD>
<TD><%=rs.getString(3)%></TD>
<TD><%=rs.getString(4)%></TD>
<TD><%=rs.getString(5)%></TD>
<TD><%=rs.getString(6)%></TD>
<TD><%=rs.getString(7)%></TD>
<TD><%=rs.getInt(8)%></TD>
<TD><%=rs.getInt(9)%></TD>
<TD><%=rs.getString(10)%></TD>
<TD>
<a href="administrator/user_modify_display.jsp?user_id=<%=rs.getString(1)%>&user_class=<%=user_class%>" target="_blank">修改</a>
</TD>
</TR>
<% }%>
</TABLE>
<% } else if(user_class.equals("teacher")){
Statement stmt=con.createStatement();
ResultSet rs=stmt.executeQuery(sql2);%>
<TABLE border="1" align="center">
<TR><TH>教师号</TH><TH>密码</TH><TH>姓名</TH><TH>部门</TH><TH>电话</TH>
<TH>操作</TH>
</TR>
<% while(rs.next())
{%>
<TR>
<TD><%=rs.getString(1)%></TD>
<TD><%=rs.getString(2)%> </TD>
<TD><%=rs.getString(3)%></TD>
<TD><%=rs.getString(4)%></TD>
<TD><%=rs.getString(5)%></TD>
<TD>
<a href="administrator/user_modify_display.jsp?user_id=<%=rs.getString(1)%>&user_class=<%=user_class%>" target="_blank">修改</a>
</TD>
</TR>
<% }%>
</TABLE>
<% }else{
Statement stmt=con.createStatement();
ResultSet rs=stmt.executeQuery(sql3);%>
<TABLE border="1" align="center">
<TR><TH>帐号</TH><TH>密码</TH><TH>年龄</TH><TH>电话</TH><TH>姓名</TH><TH>操作</TH>
</TR>
<% while(rs.next())
{%>
<TR>
<TD><%=rs.getString(1)%></TD>
<TD><%=rs.getString(2)%> </TD>
<TD><%=rs.getInt(3)%> </TD>
<TD><%=rs.getString(4)%> </TD>
<TD><%=rs.getString(5)%> </TD>
<TD>
<a href="administrator/user_modify_display.jsp?user_id=<%=rs.getString(1)%>&user_class=<%=user_class%>" target="_blank">修改</a>
</TD>
</TR>
<% }%>
</TABLE>
<%}
con.close();
%>
</body>
</html>
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