checkeditnameservlet.java

oa办公系统

package cn.jx.ecjtu.oa.servlets.users;

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.jx.ecjtu.oa.ps.pojo.LoginUser;
import cn.jx.ecjtu.oa.services.ServiceFactory;
import cn.jx.ecjtu.oa.services.SysUserService;

public class CheckEditNameServlet extends HttpServlet {

	/**
	 * Destruction of the servlet. <br>
	 */
	public void destroy() {
		super.destroy(); // Just puts "destroy" string in log
		// Put your code here
	}

	/**
	 * The doGet method of the servlet. <br>
	 *
	 * This method is called when a form has its tag value method equals to get.
	 * 
	 * @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 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 {
		PrintWriter out=response.getWriter(); 
		String loginName=request.getParameter("loginName");
		String userloginName=request.getParameter("userloginName");
		if(loginName.equals(null)!=true&&loginName.trim().equals("")!=true){
			LoginUser loginUser1=userService.getLoginUserInfo(loginName);
			LoginUser loginUser2=userService.getLoginUserInfo(userloginName);
			if(loginUser1!=null){
				if(loginName.equals(userloginName)){
					out.write("用户名可以注册!");
				}
				else{
					out.write("用户名重复");
				}
			}else{
				out.write("用户名可以注册");
			}
		}else{
			out.write("登录用户名不能为空");
		}
		
	}

	/**
	 * Initialization of the servlet. <br>
	 *
	 * @throws ServletException if an error occure
	 */
	private SysUserService userService;
	public void init() throws ServletException {
		this.userService=(SysUserService)ServiceFactory.getService(SysUserService.class);
	}

}