📄 newresult.jsp
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<%@page contentType="text/html;charset=gb2312" %>
<%@page import="java.sql.*" %>
<html>
<body bgcolor="pink"><font size="1">
<%
String name=request.getParameter("name");
if(name==null)
name="";
name=new String(name.getBytes("ISO-8859-1"));
String newMath=request.getParameter("math");
if(newMath==null)
newMath="-100";
String newEnglish=request.getParameter("english");
if(newEnglish==null)
newEnglish="-100";
String newPhysics=request.getParameter("physics");
if(newPhysics==null)
newPhysics="-100";
Connection con=null;
Statement sql=null;
ResultSet rs=null;
try{
Class.forName("sun.jdbc.odbc.JdbcOdbcdriver");
}catch(ClassNotFoundException e){
}
try{
con=DriverManager.getConnection("jdbc:odbc:pubs","","");
sql=con.createStatement();
String condition1="update students set 数学成绩="+newMath+" where 姓名="+"'"+name+"'";
String condition2="update students set 英语成绩="+newEnglish+" where 姓名="+"'"+name+"'";
String condition3="update students set 物理成绩="+newPhysics+" where 姓名="+"'"+name+"'";
sql.executeUpdate(condition1);
sql.executeUpdate(condition2);
sql.executeUpdate(condition3);
out.print("<br>更新后的表中记录：");
rs=sql.executeQuery("select * from students");
out.print("<Table Border>");
out.print("<tr>");
out.print("<TH width=100>"+"学号");
out.print("<TH width=100>"+"姓名");
out.print("<TH width=50>"+"数学成绩");
out.print("<TH width=50>"+"英语成绩");
out.print("<TH width=50>"+"物理成绩");
out.print("</tr>");
while(rs.next()){
out.print("<tr>");
out.print("<TD>"+rs.getString(1)+"</TD>");
out.print("<TD>"+rs.getString(2)+"</TD>");
out.print("<TD>"+rs.getInt("数学成绩")+"</TD>");
out.print("<TD>"+rs.getInt("英语成绩")+"</TD>");
out.print("<TD>"+rs.getInt("物理成绩")+"</TD>");
out.print("</tr>");
}
out.print("</Table>");
con.close();
}catch(SQLException ee){
}
%>
</font>
</body>
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