logingaction.java

自己制作的联通CRM,支持客户分类,管理,升级,积分管理等等..

/*
 * Generated by MyEclipse Struts
 * Template path: templates/java/JavaClass.vtl
 */
package com.jn0801.login.action;

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

import javax.print.attribute.standard.Severity;
import javax.servlet.ServletContext;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.actions.DispatchAction;

import com.jn0801.login.form.LogingForm;
import com.jn0801.login.systemuser.SystemuaerDAO;
import com.jn0801.login.systemuser.SystemuserBean;

/**
 * MyEclipse Struts Creation date: 08-12-2008
 * 
 * XDoclet definition:
 * 
 * @struts.action path="/loging" name="logingForm" input="/form/loging.jsp"
 *                parameter="tag" scope="request" validate="true"
 */
public class LogingAction extends DispatchAction {
	/*
	 * Generated Methods
	 */

	/**
	 * Method execute
	 * 
	 * @param mapping
	 * @param form
	 * @param request
	 * @param response
	 * @return ActionForward
	 * @throws IOException
	 */
	public ActionForward check(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response)
			throws IOException {
		LogingForm logingForm = (LogingForm) form;

		boolean flog = false;
		PrintWriter out = null;
		HttpSession session = request.getSession();
		String code = logingForm.getCode();
		String code1 = (String) session.getAttribute("rand");
		ServletContext application = this.servlet.getServletContext();

		try {
			out = response.getWriter();
		} catch (IOException e1) {
			e1.printStackTrace();
		}
		SystemuserBean systemuserbean = new SystemuserBean();
		SystemuaerDAO system = new SystemuaerDAO();
		systemuserbean = system.searchUser(logingForm.getUsername());

		if (systemuserbean == null) {
			out
					.println("<script>alert('用户名不存在！');window.history.back();</script>");
			return null;
		} else if (!systemuserbean.getPassword().equals(
				logingForm.getPassword())) {
			out
					.println("<script>alert('密码错误！！！！');window.history.back();</script>");
			return null;
		} else if (!code.equals(code1)) {
			session.removeAttribute("rand");
			out
					.println("<script>alert('验证码错误！！！！');window.history.back();</script>");
			return null;
		}

		List list = (List) application.getAttribute("userbean");
		if (list != null) {
			for (int i = 0; i < list.size(); i++) {
				SystemuserBean systemuserbean1 = (SystemuserBean) list.get(i);
				if (systemuserbean1.getUsername().equals(
						logingForm.getUsername())) {

					flog = true;
					break;
				}

			}
		}

		if (flog == false) {

			session.setAttribute("userbean", systemuserbean);
			if (application.getAttribute("userbean") != null) {
				List onlineList = (List) application.getAttribute("userbean");
				onlineList.add(systemuserbean);
				application.setAttribute("userbean", onlineList);
			} else {
				List onlineList = new ArrayList();
				onlineList.add(systemuserbean);
				application.setAttribute("userbean", onlineList);
			}

			response.sendRedirect(request.getContextPath() + "/show/main.jsp");

		} else {
			out
					.println("<script>alert('用户已在线！');window.history.back();</script>");
		}

		return null;

	}
	
	public ActionForward exit1(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {
		HttpSession session  = request.getSession();
		ServletContext application = this.getServlet().getServletContext();
		SystemuserBean userBean = (SystemuserBean) session.getAttribute("userbean");//取出取用户名
		String username = userBean.getUsername();
		session.invalidate();//清空用户session
		List list = (List) application.getAttribute("userbean");
		if (list != null) {
			for (int i = 0; i < list.size(); i++) {
				SystemuserBean systemuserbean1 = (SystemuserBean) list.get(i);
				if (systemuserbean1.getUsername().equals(
						username)) {
					list.remove(i);
				}

			}
		}
		application.setAttribute("userbean", list);
		//清空保留在application作用域中的用户信息
		

		
		try {
			response.sendRedirect(request.getContextPath()
					+ "/index.jsp");
		} catch (IOException e) {
			e.printStackTrace();
		}
		return null;
	}
}