adduser_jsp.java

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package org.apache.jsp;

import javax.servlet.*;
import javax.servlet.http.*;
import javax.servlet.jsp.*;
import java.sql.*;

public final class adduser_jsp extends org.apache.jasper.runtime.HttpJspBase
    implements org.apache.jasper.runtime.JspSourceDependent {

  private static java.util.Vector _jspx_dependants;

  public java.util.List getDependants() {
    return _jspx_dependants;
  }

  public void _jspService(HttpServletRequest request, HttpServletResponse response)
        throws java.io.IOException, ServletException {

    JspFactory _jspxFactory = null;
    PageContext pageContext = null;
    HttpSession session = null;
    ServletContext application = null;
    ServletConfig config = null;
    JspWriter out = null;
    Object page = this;
    JspWriter _jspx_out = null;


    try {
      _jspxFactory = JspFactory.getDefaultFactory();
      response.setContentType("text/html;charset=gb2312");
      pageContext = _jspxFactory.getPageContext(this, request, response,
      			null, true, 8192, true);
      application = pageContext.getServletContext();
      config = pageContext.getServletConfig();
      session = pageContext.getSession();
      out = pageContext.getOut();
      _jspx_out = out;

      out.write("\r\n\r\n");

String username=request.getParameter("Username");
String password=request.getParameter("Password");
String password2=request.getParameter("Password2");
String email=request.getParameter("Email");
if(username==null||username.equals(""))
{
 out.println("请输入姓名!!!<br>");
 out.println("<A href=register.html>返回</A><br>");
}
if(password==null||password2==null||password.equals("")||password2.equals("")||!password.equals(password2))
{
 out.println("密码输入非法!!!<br>");
 out.println("<A href=register.html>返回</A><br>");
}
if(email==null||email.equals(""))
{
 out.println("请输入电子邮件<br>");
 out.println("<A href=register.html>返回</A><br>");
}
try{
  Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
  String URL="jdbc:odbc:book";
  Connection conn=DriverManager.getConnection(URL);
  Statement stmt=conn.createStatement();
  String sql="select * from UserInfo";
  ResultSet rs=stmt.executeQuery(sql);
  int i=0;
  while(rs.next())
  {
  if(username.equals(rs.getString("UserName")))
  {
  out.println("用户名已存在");
  i++;
  break;
  }
  }
  if(i==0&&username!=null&&!username.equals("")&&password!=null&&password2!=null&&!password.equals("")&&!password2.equals("")&&password.equals(password2)&&email!=null&&!email.equals(""))
  {
  String s="insert into UserInfo values('"+username+"','"+password+"','"+email+"')";
  stmt.executeUpdate(s);
  out.println("注册成功");
  }
  rs.close();
  stmt.close();
  conn.close();
  }
  catch(ClassNotFoundException ex){
  
  }
  catch(SQLException ex){
  
  }

      out.write('\r');
      out.write('\n');
    } catch (Throwable t) {
      if (!(t instanceof SkipPageException)){
        out = _jspx_out;
        if (out != null && out.getBufferSize() != 0)
          out.clearBuffer();
        if (pageContext != null) pageContext.handlePageException(t);
      }
    } finally {
      if (_jspxFactory != null) _jspxFactory.releasePageContext(pageContext);
    }
  }
}