后台权限拦截器编写

电玩女神 2022-06-13 02:26 160阅读 0赞

package cn.itcast.shop.Interceptor;
    
    import org.apache.struts2.ServletActionContext;
    
    import cn.itcast.shop.vo.AdminUser;
    
    import com.opensymphony.xwork2.ActionInvocation;
    import com.opensymphony.xwork2.ActionSupport;
    import com.opensymphony.xwork2.interceptor.MethodFilterInterceptor;
    
    /**
     * 后台用户登录权限拦截器（Action文件拦截,在action中配置拦截）
     * 
     * @author 吕小刚
     * @version V1.0
     * 
     */
    // 继承AbstractInterceptor子类MethodFilterInterceptor拦截器
    @SuppressWarnings("serial")
    public class PrivilegeInterceptor extends MethodFilterInterceptor {
    
    	@Override
    	// 执行拦截的方法
    	protected String doIntercept(ActionInvocation actionInvocation) throws Exception {
    		// 判断Session中是否保存了后台用户信息
    		AdminUser adminUser = (AdminUser) ServletActionContext.getRequest().getSession().getAttribute("adminUser");
    		if (adminUser == null) {
    			// 没有登录进行访问
    			// 对继承过ActionSupport类里面的方法进行拦截
    			ActionSupport actionSupport = (ActionSupport) actionInvocation.getAction();
    			actionSupport.addFieldError("loginFail", "亲!你还没有登录!没有访问权限!");
    			return "loginFail";
    		} else {
    			// 已经登录过
    			return actionInvocation.invoke();
    		}
    	}
    
    }

<?xml version="1.0" encoding="UTF-8" ?>
    <!DOCTYPE struts PUBLIC
    	"-//Apache Software Foundation//DTD Struts Configuration 2.3//EN"
    	"http://struts.apache.org/dtds/struts-2.3.dtd">
    
    <struts>
    	
    	<constant name="struts.i18n.encoding" value="UTF-8" />
    	
    	<constant name="struts.ui.theme" value="simple" />
    	
    	<constant name="struts.action.extension" value="action" />
    	
    	<constant name="struts.devMode" value="true" />
    
    	<package name="shop" namespace="/" extends="struts-default">
    		
    		<interceptors>
    			<interceptor name="privilegeInterceptor"
    				class="cn.itcast.shop.Interceptor.PrivilegeInterceptor" />
    		</interceptors>
    
    		
    		<global-results>
    			<result name="msg">/WEB-INF/jsp/msg.jsp</result>
    			<result name="login">/WEB-INF/jsp/login.jsp</result>
    			
    			<result name="loginFail">/admin/index.jsp</result>
    		</global-results>
    
    
    		
    		<action name="index" class="indexAction">
    			<result name="index">/WEB-INF/jsp/index.jsp</result>
    		</action>
    
    		
    		<action name="user_*" class="userAction" method="{1}">
    			<result name="registPage">/WEB-INF/jsp/regist.jsp</result>
    			<result name="input">/WEB-INF/jsp/{1}.jsp</result>
    			<result name="loginPage">/WEB-INF/jsp/login.jsp</result>
    			<result name="loginSuccess" type="redirectAction">index</result>
    			<result name="loginout" type="redirectAction">index</result>
    		</action>
    
    		
    		<action name="checkImg" class="checkImgAction">
    		</action>
    
    		
    		<action name="product_*" class="productAction" method="{1}">
    			<result name="findById">/WEB-INF/jsp/product.jsp</result>
    			
    			<result name="findBycId">/WEB-INF/jsp/productList.jsp</result>
    			
    			<result name="findBycsId">/WEB-INF/jsp/productList.jsp</result>
    		</action>
    
    		
    		<action name="cart_*" class="cartAction" method="{1}">
    			<result name="addCart">/WEB-INF/jsp/cart.jsp</result>
    			<result name="clearCart" type="redirectAction">cart_addCart</result>
    			<result name="removerCart" type="redirectAction">cart_addCart</result>
    			<result name="myCart" type="redirectAction">cart_addCart</result>
    		</action>
    
    		
    		<action name="order_*" class="orderAction" method="{1}">
    			<result name="saveSuccess">/WEB-INF/jsp/order.jsp</result>
    			<result name="findByUserIdSuccess">/WEB-INF/jsp/orderList.jsp</result>
    			<result name="findByOrderId">/WEB-INF/jsp/order.jsp</result>
    		</action>
    
    		
    		<action name="adminUser_*" class="adminUserAction" method="{1}">
    			<result name="loginFail">/admin/index.jsp</result>
    			<result name="loginSuccess" type="redirect">/admin/home.jsp</result>
    		</action>
    
    		
    		<action name="adminCategory_*" class="adminCategoryAction"
    			method="{1}">
    			<result name="findAll">/admin/category/list.jsp</result>
    			<result name="addUI">/admin/category/add.jsp</result>
    			<result name="addSuccess" type="redirectAction">adminCategory_findAll.action
    			</result>
    			<result name="deleteSuccess" type="redirectAction">adminCategory_findAll.action
    			</result>
    			<result name="editUI">/admin/category/edit.jsp</result>
    			<result name="editSuccess" type="redirectAction">adminCategory_findAll.action
    			</result>
    
    			
    			<interceptor-ref name="privilegeInterceptor"></interceptor-ref>
    			<interceptor-ref name="defaultStack"></interceptor-ref>
    		</action>
    
    		
    		<action name="adminCategorySecond_*" class="adminCategorySecondAction"
    			method="{1}">
    			<result name="findAll">/admin/categorySecond/list.jsp</result>
    			<result name="addUI">/admin/categorySecond/add.jsp</result>
    			<result name="addSuccess" type="redirectAction">adminCategorySecond_findAll.action?page=1
    			</result>
    			<result name="deleteSuccess" type="redirectAction">adminCategorySecond_findAll.action?page=1
    			</result>
    			<result name="editUI">/admin/categorySecond/edit.jsp</result>
    			<result name="editSuccess" type="redirectAction">adminCategorySecond_findAll.action?page=1
    			</result>
    
    			
    			<interceptor-ref name="privilegeInterceptor"></interceptor-ref>
    			<interceptor-ref name="defaultStack"></interceptor-ref>
    		</action>
    
    		
    		<action name="adminProduct_*" class="adminProductAction"
    			method="{1}">
    			<result name="findAll">/admin/product/list.jsp</result>
    			<result name="addUI">/admin/product/add.jsp</result>
    			<result name="addSuccess" type="redirectAction">adminProduct_findAll.action?page=1
    			</result>
    			<result name="deleteSuccess" type="redirectAction">adminProduct_findAll.action?page=1
    			</result>
    			<result name="editUI">/admin/product/edit.jsp</result>
    			<result name="editSuccess" type="redirectAction">adminProduct_findAll.action?page=1
    			</result>
    
    			
    			<interceptor-ref name="privilegeInterceptor"></interceptor-ref>
    			<interceptor-ref name="defaultStack"></interceptor-ref>
    		</action>
    
    		
    		<action name="adminOrder_*" class="adminOrderAction" method="{1}">
    			<result name="findAll">/admin/order/list.jsp</result>
    			<result name="findOrderItem">/admin/order/orderItem.jsp</result>
    			<result name="editStateSuccess" type="redirectAction">adminOrder_findAll.action?page=1
    			</result>
    
    			
    			<interceptor-ref name="privilegeInterceptor"></interceptor-ref>
    			<interceptor-ref name="defaultStack"></interceptor-ref>
    		</action>
    	</package>
    
    </struts>