📄 newdatabase.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=white><Font size=3>

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

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

	String m=request.getParameter("math");
	if(m ==null) m ="-100";

	String e=request.getParameter("english");
	if(e ==null) e ="-100";

	String p=request.getParameter("physics");
	if(p ==null) p ="-100";

	Connection con=null;
	Statement sql=null;
	ResultSet rs=null;

	try
	{
		Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
	}catch(ClassNotFoundException e1){}
	
	try
	{
		con=DriverManager.getConnection("jdbc:odbc:sun","","");
		sql=con.createStatement();
		String condition="INSERT INTO students VALUES"+"("+"'"+number+"','"+name+"',"+m+","+e+","+p+")";
		sql.executeUpdate(condition);
%>

<P>添加新记录后的表：
<%	rs=sql.executeQuery("SELECT * FROM students ORDER BY 学号");
	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 e1){}
%>

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

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