cktea.java

我实习时候的设计

package cn.yxh.servlet;

import java.io.IOException;
import java.io.PrintWriter;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import cn.yxh.dao.*;
public class CKtea 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 teacherid=request.getParameter("teacherid");
		String password=request.getParameter("password");
		String teachername=request.getParameter("teachername");
		String sex=request.getParameter("sex");
		String zhicheng=request.getParameter("zhicheng");
		String department=request.getParameter("department");
		int a=new LoginDAO().ckTea(teacherid);
		if(a>0)
		{
			//用户名已经存在，注册失败
			response.sendRedirect("/xuanke/tearegerror.jsp");
		}
		else
		{
			//注册成功
			new LoginDAO().saveTea(teacherid, password, teachername, sex, zhicheng, department);
			response.sendRedirect("/xuanke/tearegok.jsp");
		}
	}

}