📄 query.jsp
字号:
<%@ page contentType="text/html; charset=gb2312" language="java" import="java.sql.*" errorPage="" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>无标题文档</title>
</head>
<body>
<form action="query.jsp" method="post">
<table width="401"bgcolor="pink" border="0" align="center">
<tr>
<td width="106">输入学生的学号:</td>
<td width="170"><label>
<input type="text" name="number" />
</label></td>
<td width="103"><label>
<input type="submit" name="Submit" value="提交查询内容" />
</label></td>
</tr>
</table>
</form>
<font size='5'>
<%
String num = request.getParameter("number")==null?"":request.getParameter("number");
Connection con = null;
Statement st = null;
ResultSet rs = null;
try {
Class.forName("com.microsoft.jdbc.sqlserver.SQLServerDriver");
con = DriverManager.getConnection("jdbc:microsoft:sqlserver://127.0.0.1:1433;DatabaseName=student", "sa", "");
st = con.createStatement();
String sql = "select number,course,score from course where number='"+num+"'";
rs = st.executeQuery(sql);
%>
<center>
<table bgcolor="pink" border="1">
<tr>
<td>学号</td><td>课程</td><td>成绩</td>
</tr>
<%
while (rs.next()) {
%>
<tr>
<td><%=rs.getInt("number")%></td>
<td><%=rs.getString("course")%></td>
<td><%=rs.getString("score")%></td>
</tr>
<%
}
%>
</table></center>
<%
} catch (Exception e) {
out.print("数据库操作出错:" + e);
} finally {
if (rs != null)
rs.close();
if (st != null)
st.close();
if (con != null)
con.close();
}
%>
</font>
</body>
</html>
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