📄 zhuce.jsp
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<%@ page language="java" import="java.sql.*" pageEncoding="gbk"%>
<html>
<head>
<title></title>
</head>
<body>
<%
Connection conn=null;
Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
String strconn="jdbc:odbc:sun";
conn=DriverManager.getConnection(strconn,"","");
String name=request.getParameter("name");
String pass=request.getParameter("pass");
Statement stmt=conn.createStatement(ResultSet.TYPE_SCROLL_INSENSITIVE,ResultSet.CONCUR_READ_ONLY);
ResultSet rs=stmt.executeQuery("select loginname from login where loginname= '"+name+"'");
if(rs.next())
{
out.println("<center><font color=red size=5>该用户名已经被占用!请重新输入新的用户名!</font></center>");
response.setHeader("Refresh","3;URL=zhuce.html");
}
else
{
stmt.executeUpdate("insert into login values ('"+name+"','"+pass+"')" );
out.println("<center>恭喜您!已经成功注册!您的用户名为:<h2><font color=red>"+name+"</font></h2>请牢记!</center>");
response.setHeader("Refresh","3;URL=login.html");}
conn.close();
%>
</body>
</html>
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