registe.java

使用servlet写的简单网上书店

package c;


import java.io.IOException;
import java.sql.Connection;
import java.sql.SQLException;

import javax.servlet.ServletConfig;
import javax.servlet.ServletContext;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import javax.sql.DataSource;

import utils.UsersUtil;
import entity.Users;

public class Registe extends HttpServlet {
	private DataSource ds;
	private Connection con;
	public void init(ServletConfig config) throws ServletException {
		ServletContext context=config.getServletContext();
		ds=(DataSource)context.getAttribute("DataSource");
	}

	protected void service(HttpServletRequest req, HttpServletResponse res) throws ServletException, IOException {
		try {
			con=ds.getConnection();
			
			String username=req.getParameter("username");
			String password=req.getParameter("password");
			
			UsersUtil userUtil=new UsersUtil(con);
			Users user=new Users();
			user.setUsername(username);
			user.setPassword(password);
			if(userUtil.register(user))
			res.sendRedirect("../registeSuccess.html");
		} catch (SQLException e) {
			e.printStackTrace();
		}
	}
	public void dbOperate(){
		
	}
	public void destroy() {
		super.destroy(); 
		con=null;
	}
}