userregisterservlet.java

用jsp,tomcat,mysql

package mypack;

import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.ServletConfig;
import javax.servlet.ServletException;

import mypack.*;


import java.io.IOException;



public class UserRegisterServlet extends HttpServlet {
    
    public void init() {
        ServletConfig config = getServletConfig();
        String maxTries;
        String autoSave;
        maxTries = config.getInitParameter("MaxTries");
        autoSave = config.getInitParameter("AutoSave");
    }

    public void doPost(HttpServletRequest request, HttpServletResponse response)
            throws IOException, ServletException{
            	
               
      try{   
        Customer customer= new Customer();
        Cdstore cdstore=new Cdstore();
        customer.setUsername(request.getParameter("username"));
        customer.setPassword(request.getParameter("password"));
        customer.setTel(request.getParameter("tel"));
        customer.setEmail(request.getParameter("email"));


        //检验用户唯一性
      if (cdstore.checkMemberExist(customer.getUsername())) 
        {
           
			response.sendRedirect("reg_failed.jsp");
        }
        //用户注册
        else if (cdstore.addUser(customer)) 
        {
           
			response.sendRedirect("reg_sucess.jsp");
        } else
			response.sendRedirect("reg_failed.jsp");
    }
    
  
  catch(Exception e)
  {
  }



}
}