jsp的导出 我这代码错哪。。。。。求大神帮忙
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8" import="java.sql.*"%>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>普通话水平测试报名系统</title>
</head>
<body>
<center>
<p> </p>
<p> </p>
<p> </p>
<p class="STYLE1">报名信息查询</p>
<form method="post" action="xx-ym.jsp">
<p> </p>
<p>
<input type="submit" name="Submit" value="返回">
</p>
</form>
<table height="40" border="1" align="center" >
<tr>
<td width="40" style="display:none;">报名序号</td>
<td width="100">学号</td>
<td width="100">姓名</td>
<td width="100">学院</td>
<td width="100">专业</td>
<td width="100">班级</td>
<td width="150">身份证号码</td>
<td width="40">性别</td>
<td width="100">出生年月</td>
<td width="100">籍贯</td>
<td width="80">名族</td>
<td width="90">联系电话</td>
</tr>
</table>
</center>
<%
request.setCharacterEncoding("UTF-8");
String bj=request.getParameter("a1");
String driverClass="com.mysql.jdbc.Driver";
String url="jdbc:mysql://localhost:3306/atao";
String uname="root";
String upass="958672";
Connection conn=null;
Class.forName(driverClass);
conn=DriverManager.getConnection(url,uname,upass);
PreparedStatement stmt=conn.prepareStatement("select * from student where classes=?");
stmt.setString(1,bj);
ResultSet rs=stmt.executeQuery();
while(rs.next()){
%>
<center>
<%
String exportToExcel = request.getParameter("exportToExcel");
if (exportToExcel != null
&& exportToExcel.toString().equalsIgnoreCase("YES")) {
response.setContentType("application/vnd.ms-excel");
response.setHeader("Content-Disposition", "inline; filename="
+ "excel.xls");
}
%>
<form action="" method="post">
<table height="40" border="1" align="center" >
<tr>
<td width="40" style="display:none;"> <%=rs.getString(12)%>
</td>
<td width="100"><%=rs.getString(1) %>
</td>
<td width="100"> <%=rs.getString(2) %>
</td>
<td width="100"> <%=rs.getString(3) %>
</td>
<td width="100"> <%=rs.getString(4) %>
</td>
<td width="100"> <%=rs.getString(5) %>
</td>
<td width="150"> <%=rs.getString(6) %>
</td>
<td width="40"> <%=rs.getString(7) %>
</td>
<td width="100"> <%=rs.getString(8) %>
</td>
<td width="100"> <%=rs.getString(9) %>
</td>
<td width="80"> <%=rs.getString(10) %>
</td>
<td width="90"> <%=rs.getString(11) %>
</td>
</table>
<p align="right">
<%
if (exportToExcel == null) {
%>
<a href="ycx-conf.jsp?exportToExcel=YES">Export to Excel</a>
<%
}
%>
</center>
<% }
rs.close();
stmt.close();
conn.close();
%>
</tr>
</p>
<p> </p>
<p> </p>
</form>
</body>
</html>
兜兜的麦兜0回答
随时随地看视频慕课网APP
Html/CSS
Java