ADD file via upload

src/main/java/com/common/config/MyInterceptor.java

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+package com.example.common.config;
+
+import com.example.entity.Account;
+import org.springframework.web.servlet.HandlerInterceptor;
+import org.springframework.web.servlet.ModelAndView;
+
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+/**
+ * 拦截器
+ * @author nsw
+ */
+public class MyInterceptor implements HandlerInterceptor {
+
+    @Override
+    public boolean preHandle(HttpServletRequest request, HttpServletResponse
+            response, Object handler) throws Exception {
+        Account user = (Account) request.getSession().getAttribute("user");
+        if (user == null) {
+            // 重定向到登录页
+            response.sendRedirect("/end/page/login.html");
+            return false;
+        }
+        return true;
+    }
+    @Override
+    public void postHandle(HttpServletRequest request, HttpServletResponse
+            response, Object handler, ModelAndView modelAndView) throws Exception {
+    }
+    @Override
+    public void afterCompletion(HttpServletRequest request, HttpServletResponse
+            response, Object handler, Exception ex) throws Exception {
+    }
+}