feat: add interceptor

src/main/java/cn/edu/cqwu/repair/interceptor/AdminInterceptor.java

@@ -0,0 +1,24 @@
+package cn.edu.cqwu.repair.interceptor;
+
+import org.springframework.web.servlet.HandlerInterceptor;
+
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import javax.servlet.http.HttpSession;
+
+/**
+ * @author xtaod
+ */
+public class AdminInterceptor implements HandlerInterceptor {
+    @Override
+    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
+        HttpSession session = request.getSession();
+        if (session != null && session.getAttribute("adminUser") != null) {
+            return true;
+        } else {
+            request.setAttribute("adminLoginMess", "*请先登录！");
+            request.getRequestDispatcher("/manage.jsp").forward(request, response);
+        }
+        return false;
+    }
+}

src/main/java/cn/edu/cqwu/repair/interceptor/StuInterceptor.java

@@ -0,0 +1,24 @@
+package cn.edu.cqwu.repair.interceptor;
+
+import org.springframework.web.servlet.HandlerInterceptor;
+
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import javax.servlet.http.HttpSession;
+
+/**
+ * @author xtaod
+ */
+public class StuInterceptor implements HandlerInterceptor {
+    @Override
+    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
+        HttpSession session = request.getSession();
+        if (session != null && session.getAttribute("stu") != null) {
+            return true;
+        } else {
+            request.setAttribute("stuLoginMess", "*请先登录！");
+            request.getRequestDispatcher("/index.jsp").forward(request, response);
+        }
+        return false;
+    }
+}

src/main/java/cn/edu/cqwu/repair/interceptor/WorkerInterceptor.java

@@ -0,0 +1,24 @@
+package cn.edu.cqwu.repair.interceptor;
+
+import org.springframework.web.servlet.HandlerInterceptor;
+
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import javax.servlet.http.HttpSession;
+
+/**
+ * @author xtaod
+ */
+public class WorkerInterceptor implements HandlerInterceptor {
+    @Override
+    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
+        HttpSession session = request.getSession();
+        if (session != null && session.getAttribute("workerUser") != null) {
+            return true;
+        } else {
+            request.setAttribute("workerLoginMess", "*请先登录！");
+            request.getRequestDispatcher("/worker_login.jsp").forward(request, response);
+        }
+        return false;
+    }
+}

src/main/resources/springmvc.xml

@@ -33,4 +33,19 @@
     </bean>
 
     <mvc:default-servlet-handler />
+    
+    <mvc:interceptors>
+        <mvc:interceptor>
+            <mvc:mapping path="/stu/**"/>
+            <bean class="cn.edu.cqwu.repair.interceptor.StuInterceptor" />
+        </mvc:interceptor>
+        <mvc:interceptor>
+            <mvc:mapping path="/worker/**"/>
+            <bean class="cn.edu.cqwu.repair.interceptor.WorkerInterceptor" />
+        </mvc:interceptor>
+        <mvc:interceptor>
+            <mvc:mapping path="/admin/**"/>
+            <bean class="cn.edu.cqwu.repair.interceptor.AdminInterceptor" />
+        </mvc:interceptor>
+    </mvc:interceptors>
 </beans>