📄 byname1.jsp

📁 可以让初学者有一个感性的认识

💻 JSP

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<HTML>
<%@page contentType="text/html;charset=GB2312"%>
<%@page import="java.sql.*" %>

<BODY bgcolor=cyan><Font size=3>

<%	String name=request.getParameter("R");
	if(name==null)name="";
	byte b[]=name.getBytes("ISO-8859-1");
	name=new String(b);

	String xingming,number;
	int math,english,physics;

	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:sun","","");
		sql=con.createStatement();
		String condition="SELECT * FROM students ORDER BY "+name;
		rs=sql.executeQuery(condition);
		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("<TH width=50>" +"总成绩");
			out.print("</TR>");
			while(rs.next())
			{
				out.print("<TR>");
					number=rs.getString(1);
					out.print("<TD>"+number+"</TD>");
					xingming=rs.getString(2);
					out.print("<TD>"+xingming+"</TD>");
					math=rs.getInt("数学成绩");
					out.print("<TD>"+math+"</TD>");
					english=rs.getInt("英语成绩");
					out.print("<TD>"+english+"</TD>");
					physics=rs.getInt("物理成绩");
					out.print("<TD>"+physics+"</TD>");
					int total=math+english+physics;
					out.print("<TH>"+total+"</TH>");
				out.print("</TR>");
			}
		out.print("</Table>");
		con.close();
	}catch(SQLException e1){}
%>

</FONT>
</BODY>
</HTML>

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