usermanageservlet.java

用JSP开发的考勤系统 编译器为myeclipse

package kq.servlet;

import java.io.IOException;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.List;

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

import kq.model.Config;
import kq.model.bean.UserManageBean;
import kq.model.datatype.User;

public class UserManageServlet extends HttpServlet {

	/**
	 * Constructor of the object.
	 */
	public UserManageServlet() {
		super();
	}

	/**
	 * 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 {

		response.setContentType("text/html");
		request.setAttribute("errMsg", "");
		request.getRequestDispatcher(Config.PAGE_ADDUSER).forward(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 {

		response.setContentType("text/html");
		String action = request.getParameter("action");
		if(action == null){
			response.getOutputStream().println("服务器不接受对当前资源（login Servlet）的未带参数的请求。");
			response.getOutputStream().close();
		}
		else if(action.equalsIgnoreCase("addUser")){
			addUser(request,response);
		}
		else if(action.equals("showUser")){
			
		}
		else{
			
		}
	}
	
	public void addUser(HttpServletRequest request,HttpServletResponse response)
			throws ServletException, IOException{
		
		UserManageBean userManager = UserManageBean.getInstance();
		
		if(!UserManageBean.validateEmail(request.getParameter("userName"))){
			request.setAttribute("errMsg", "输入的用户名不合法");
			request.getRequestDispatcher(Config.PAGE_ADDUSER).forward(request, response);
			return;
		}
		else if(userManager.existUser(request.getParameter("userName"))){
			request.setAttribute("errMsg", "输入的用户名已存在");
			request.getRequestDispatcher(Config.PAGE_ADDUSER).forward(request, response);
			return;
		}
		
		User user = new User();
		user.setUsername(request.getParameter("userName"));
		user.setRealName(request.getParameter("realName"));
		user.setPassword(request.getParameter("passWord"));
		String[] roles = request.getParameterValues("role");
		List<String> roleList = new ArrayList<String>();
		for(int i=0;i<roles.length;i++){
			roleList.add(roles[i]);
		}
		user.setRole(roleList);
		user.setDepartment(request.getParameter("department"));
		if(userManager.addUser(user))
			request.setAttribute("errMsg", "添加新用户成功");
		else
			request.setAttribute("errMsg", "添加新用户未成功！请联系管理员！");
		request.getRequestDispatcher(Config.PAGE_ADDUSER).forward(request, response);
	}

	/**
	 * Initialization of the servlet. <br>
	 *
	 * @throws ServletException if an error occurs
	 */
	public void init() throws ServletException {
		// Put your code here
	}

}