📄 change_query.jsp
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<%@page contentType="text/html; charset=gb2312" language="java" import="java.sql.*,java.util.*" %>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<title>修改记录</title>
</head>
<body>
<%! String xuehao,name,sex,age,jiguan,department,url,sql; %>
<%! int i;%>
<%! Connection conn;//定义数据库连接对象 %>
<%! Statement stmt;//定义SQL语句对象 %>
<%
xuehao=request.getParameter("xuehao").trim();
name=request.getParameter("name").trim();
name=new String(name.getBytes("ISO-8859-1"));
sex=request.getParameter("sex").trim();
sex=new String(sex.getBytes("ISO-8859-1"));
age=request.getParameter("age").trim();
i=Integer.parseInt(age);
jiguan=request.getParameter("jiguan").trim();
jiguan=new String(jiguan.getBytes("ISO-8859-1"));
department=request.getParameter("department").trim();
department=new String(department.getBytes("ISO-8859-1"));
if(name.equals("")){
response.sendRedirect("err.jsp");
}
try{
Class.forName("com.microsoft.jdbc.sqlserver.SQLServerDriver").newInstance();
url="jdbc:microsoft:sqlserver://localhost:1433;DatabaseName=university";
conn=DriverManager.getConnection(url,"admin","123456");//建立与数据库的连接
stmt=conn.createStatement();
sql="update student set name='"+name+"',sex='"+sex+"',age='"+i+"',jiguan='"+jiguan+"',dept='"+department+"' where xuehao='"+xuehao+"'";
stmt.executeUpdate(sql);
out.println("<font size=3 color=blue>正在修改记录，请稍后......</font><meta http-equiv='refresh' content='2;url=list.jsp'>");
stmt.close();
conn.close();
}
catch(Exception e){
response.sendRedirect("err.jsp");
}
%>
</body>
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