struts2拦截器实现用户登录管理



struts2拦截器实现用户登录管理

struts2拦截器实现用户登录管理

ManagerInterceptor.java

 

Java代码  收藏代码
  1. package dsh.bikegis.interceptor;
  3. import javax.servlet.http.HttpServletRequest;
  4. import javax.servlet.http.HttpSession;
  6. import org.apache.struts2.ServletActionContext;
  8. import com.opensymphony.xwork2.ActionInvocation;
  9. import com.opensymphony.xwork2.ActionSupport;
  10. import com.opensymphony.xwork2.interceptor.AbstractInterceptor;
  12. import dsh.bikegis.action.ManagerLoginAction;
  14. /**
  15.  * 管理員登錄控制的攔截器
  16.  * @author NanGuoCan
  17.  *
  18.  */
  19. public class ManagerInterceptor extends AbstractInterceptor {
  20.     private static final long serialVersionUID = 5722672508679011124L;
  22.     public String intercept(ActionInvocation invocation) throws Exception {
  23.         HttpServletRequest request = ServletActionContext.getRequest();
  24.         HttpSession session = request.getSession(true);
  25.         String username = (String) session.getAttribute(“userName”);
  26.         ActionSupport action = (ActionSupport) invocation.getAction();
  28.         if (action instanceof ManagerLoginAction)
  29.             return invocation.invoke();
  31.         if (username != null && !username.equals(“”))
  32.             return invocation.invoke();
  33.         else {
  34.             return ”login”;
  35.         }
  37.     }
  38. }

 

ManagerLoginActionImpl.java

 

Java代码  收藏代码
  1. package dsh.bikegis.action.impl;
  3. import com.opensymphony.xwork2.ActionSupport;
  5. import dsh.bikegis.action.ManagerLoginAction;
  6. import dsh.bikegis.model.User;
  7. import dsh.bikegis.service.ManagerLoginService;
  8. import dsh.bikegis.system.SysAction;
  10. public class ManagerLoginActionImpl extends SysAction implements ManagerLoginAction {
  12.     /**
  13.      * 管理員登錄Action的實現部分
  14.      */
  15.     private static final long serialVersionUID = 1L;
  16.     private User user;
  17.     private ManagerLoginService loginService;
  18.     private String errMesg;
  19.     /**
  20.      * 管理員登錄
  21.      */
  22.     @Override
  23.     public String login() {
  24.         if(!(this.validateLogin()))
  25.             return ActionSupport.ERROR;
  26.         try {
  27.             if (this.loginService.login(user)) {// 登錄成功
  28.                 request.getSession().setAttribute(“userName”,
  29.                         user.getUsername());
  30.                 request.getSession().setAttribute(“id”, user.getId());
  31.                 if (user.getUsername().equals(“manager”)) {
  32.                     request.getSession().setAttribute(“ROLE”, ”manager”);
  33.                 }
  34.                 return SUCCESS;
  35.             } else {
  36.                 this.errMesg = ”帳號或密码错误”;
  37.                 return ERROR;
  38.             }
  40.         } catch (Exception e) {
  41.             e.printStackTrace();
  42.             this.errMesg = ”帳號或密码错误”;
  43.             return ERROR;
  44.         }
  45.     }
  46.     /**
  47.      * 管理员登录 验证
  48.      * @return
  49.      * 驗證成功返回true，否則返回false
  50.      */
  51.     @Override
  52.     public boolean validateLogin() {
  53.         if (user == null) {
  54.             this.errMesg =”未能取得用戶信息”;
  55.             return false;
  56.         }
  57.         if (user.getUsername() == null || user.getUsername().equals(“”)) {
  58.             this.errMesg = ”帳號不能為空”;
  59.             return false;
  60.         }
  61.         if (user.getUserpsw() == null || user.getUserpsw().equals(“”)) {
  62.             this.errMesg = ”密碼不能為空”;
  63.             return false;
  64.         }
  65.         return true;
  66.     }
  68.     public User getUser() {
  69.         return user;
  70.     }
  71.     public void setUser(User user) {
  72.         this.user = user;
  73.     }
  74.     public ManagerLoginService getLoginService() {
  75.         return loginService;
  76.     }
  77.     public void setLoginService(ManagerLoginService loginService) {
  78.         this.loginService = loginService;
  79.     }
  80.     public String getErrMesg() {
  81.         return errMesg;
  82.     }
  83.     public void setErrMesg(String errMesg) {
  84.         this.errMesg = errMesg;
  85.     }
  88. }

struts.xml

 

Xml代码  收藏代码
  1. <!DOCTYPE struts PUBLIC
  2.   ”-//Apache Software Foundation//DTD Struts Configuration 2.0//EN”
  3.   ”http://struts.apache.org/dtds/struts-2.0.dtd”>
  4. <struts>
  5.     <!– 用戶操作類的Action –>
  6.     <package name=”adminmanage” namespace=”/manage” extends=”bikeGIS”>
  7.         <interceptors>
  8.             <!– 是否登录 –>
  9.             <interceptor name=”adminLogin”
  10.                 class=”dsh.bikegis.interceptor.ManagerInterceptor”></interceptor>
  11.             <interceptor-stack name=”adminmanageStack”>
  12.                 <interceptor-ref name=”bikeGISstack”></interceptor-ref>
  13.                 <interceptor-ref name=”adminLogin”></interceptor-ref>
  14.             </interceptor-stack>
  15.         </interceptors>
  16.         <default-interceptor-ref name=”adminmanageStack”></default-interceptor-ref>
  18.         <global-results>
  19.             <!– 重新登錄 –>
  20.             <result name=”login” type=”redirectAction”>
  21.                 <param name=”actionName”>index</param>
  22.                 <param name=”namespace”>/manage</param>
  23.             </result>
  24.         </global-results>
  26.         <action name=”index” class=”loginAction”>
  27.             <result>/manage/index.jsp</result>
  28.         </action>
  30.         <!– 用戶登錄 –>
  31.         <action name=”loginAction” class=”loginAction” method=”login”>
  32.             <result type=”redirect”>/manage/frame.action</result>
  33.             <result name=”error”>/manage/index.jsp</result>
  34.             <result name=”input”>/manage/index.jsp</result>
  35.         </action>
  38.         <!– 用戶退出 –>
  39.         <action name=”loginOut” class=”userAction” method=”loginOut”>
  40.             <result name=”success”>/manage/index.jsp</result>
  41.         </action>
  43.         <!– 修改密碼 –>
  44.         <action name=”modifyPswAction” class=”userAction” method=”modifyUserPsw”>
  45.             <result name=”success” type=”redirect” >/manage/main.action</result>
  46.             <result name=”error” >/manage/user/modifypsw.jsp</result>
  47.         </action>
  49.     </package>
  51. </struts>