📄 query.jsp
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<%@page contentType="text/html; charset=gbk" import="java.sql.*,java.util.*" %>
<%@page errorPage="err.jsp"%>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gbk">
<title>插入数据</title>
</head>
<body>
<%! String xuehao,name,sex,age,jiguan,department,sql; %>
<%! int i;%>
<%! Connection conn;//定义数据库连接对象 %>
<%! ResultSet rs;//定义结果集对象 %>
<%
request.setCharacterEncoding("gbk");
xuehao=request.getParameter("xuehao").trim();
name=request.getParameter("name").trim();
sex=request.getParameter("sex").trim();
age=request.getParameter("age").trim();
i=Integer.parseInt(age);
jiguan=request.getParameter("jiguan").trim();
department=request.getParameter("department").trim();
if(xuehao.length()!=8){//检查学号的位数
response.sendRedirect("err.jsp");
}
if(name.equals("")){//检查姓名是否为空
response.sendRedirect("err.jsp");
}
try{
String url ="jdbc:odbc:Driver={Microsoft Access Driver (*.mdb)};DBQ=D:/university.mdb" ;
Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
Connection conn= DriverManager.getConnection(url);
Statement stmt=conn.createStatement(1004,1008);
sql="select * from student where xuehao='"+xuehao+"'";
rs=stmt.executeQuery(sql);
if(rs.getRow()>0){
response.sendRedirect("err.jsp");
}
sql="insert into student(xuehao,name,sex,age,jiguan,dept)";
sql=sql+"values('"+xuehao+"','"+name+"','"+sex+"',"+i+",'"+jiguan+"','"+department+"')";
stmt.executeUpdate(sql);
out.println("<font size=3 color=blue>正在处理信息，请稍后......</font>");
stmt.close();
conn.close();
}
catch(Exception e){
response.sendRedirect("err.jsp");
}
%>
<script>
function e()
{alert('操作成功');
location.href="list.jsp";
}
setTimeout("e()",4000);
</script>
</body>
</html>
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