ckstu.java

我实习时候的设计

package cn.yxh.servlet;

import java.io.IOException;
import java.io.PrintWriter;
import cn.yxh.dao.*;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

public class CKstu extends HttpServlet {

	public void doGet(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {

		doPost(request,response);
	}

	/**
	 * The doPost method of the servlet. <br>
	 *
	 * This method is called when a form has its tag value method equals to post.
	 * 
	 * @param request the request send by the client to the server
	 * @param response the response send by the server to the client
	 * @throws ServletException if an error occurred
	 * @throws IOException if an error occurred
	 */
	public void doPost(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {

		request.setCharacterEncoding("GB2312");
		String studentid=request.getParameter("studentid");
		String password=request.getParameter("password");
		String name=request.getParameter("name");
		String sex=request.getParameter("sex");
		String department=request.getParameter("department");
	
		int x=new LoginDAO().ckStu(studentid);
		if(x>0)
		{
			//用户名已经存在，注册失败
			response.sendRedirect("/xuanke/sturegerror.jsp");
		}
		else
		{
			//注册成功
			new LoginDAO().saveStu(studentid, password, name, sex, department);
			response.sendRedirect("/xuanke/sturegok.jsp");
		}
	}

}