diff --git a/account/decorators.py b/account/decorators.py
new file mode 100644
index 00000000..6b108960
--- /dev/null
+++ b/account/decorators.py
@@ -0,0 +1,24 @@
+# coding=utf-8
+from django.http import HttpResponse
+from django.shortcuts import render
+
+from utils.shortcuts import error_response
+from .models import User
+
+
+def login_required(func):
+    def check(*args, **kwargs):
+        # 在class based views 里面，args 有两个元素，一个是self, 第二个才是request，
+        # 在function based views 里面，args 只有request 一个参数
+        request = args[-1]
+        if request.user.is_authenticated():
+            return func(*args, **kwargs)
+        if request.is_ajax():
+            return error_response(u"请先登录")
+        else:
+            return render(request, "utils/error.html", {"error": u"请先登录"})
+    return check
+
+
+def admin_required():
+    pass
diff --git a/account/test_urls.py b/account/test_urls.py
new file mode 100644
index 00000000..40667215
--- /dev/null
+++ b/account/test_urls.py
@@ -0,0 +1,12 @@
+# coding=utf-8
+from django.conf.urls import include, url
+
+from .tests import LoginRequiredCBVTestWithArgs, LoginRequiredCBVTestWithoutArgs
+
+
+urlpatterns = [
+    url(r'^test/fbv/1/$', "account.tests.login_required_FBV_test_without_args"),
+    url(r'^test/fbv/(?P<problem_id>\d+)/$', "account.tests.login_required_FBC_test_with_args"),
+    url(r'^test/cbv/1/$', LoginRequiredCBVTestWithoutArgs.as_view()),
+    url(r'^test/cbv/(?P<problem_id>\d+)/$', LoginRequiredCBVTestWithArgs.as_view()),
+]
diff --git a/account/tests.py b/account/tests.py
index 90e5d125..83226b70 100644
--- a/account/tests.py
+++ b/account/tests.py
@@ -1,10 +1,16 @@
 # coding=utf-8
+import json
+
 from django.core.urlresolvers import reverse
 from django.test import TestCase, Client
+from django.http import HttpResponse
 
 from rest_framework.test import APITestCase, APIClient
+from rest_framework.views import APIView
+from rest_framework.response import Response
 
 from .models import User
+from .decorators import login_required
 
 
 class UserLoginTest(TestCase):
@@ -98,4 +104,75 @@ class UserChangePasswordAPITest(APITestCase):
     def test_username_does_not_exist(self):
         data = {"username": "test1", "old_password": "aaabbb", "new_password": "aaaddd"}
         response = self.client.post(self.url, data=data)
-        self.assertEqual(response.data["code"], 1)
\ No newline at end of file
+        self.assertEqual(response.data["code"], 1)
+
+
+@login_required
+def login_required_FBV_test_without_args(request):
+    return HttpResponse("function based view test1")
+
+
+@login_required
+def login_required_FBC_test_with_args(request, problem_id):
+    return HttpResponse(problem_id)
+
+
+class LoginRequiredCBVTestWithoutArgs(APIView):
+    @login_required
+    def get(self, request):
+        return HttpResponse("class based view login required test1")
+
+class LoginRequiredCBVTestWithArgs(APIView):
+    @login_required
+    def get(self, request, problem_id):
+        return HttpResponse(problem_id)
+
+
+class LoginRequiredDecoratorTest(TestCase):
+    urls = 'account.test_urls'
+
+    def setUp(self):
+        self.client = Client()
+        user = User.objects.create(username="test")
+        user.set_password("test")
+        user.save()
+
+    def test_fbv_without_args(self):
+        # 没登陆
+        response = self.client.get("/test/fbv/1/")
+        self.assertTemplateUsed(response, "utils/error.html")
+
+        # 登陆后
+        self.client.login(username="test", password="test")
+        response = self.client.get("/test/fbv/1/")
+        self.assertEqual(response.content, "function based view test1")
+
+    def test_fbv_with_args(self):
+        # 没登陆
+        response = self.client.get("/test/fbv/1024/")
+        self.assertTemplateUsed(response, "utils/error.html")
+
+        # 登陆后
+        self.client.login(username="test", password="test")
+        response = self.client.get("/test/fbv/1024/")
+        self.assertEqual(response.content, "1024")
+
+    def test_cbv_without_args(self):
+        # 没登陆
+        response = self.client.get("/test/cbv/1/")
+        self.assertTemplateUsed(response, "utils/error.html")
+
+        # 登陆后
+        self.client.login(username="test", password="test")
+        response = self.client.get("/test/cbv/1/")
+        self.assertEqual(response.content, "class based view login required test1")
+
+    def test_cbv_with_args(self):
+        # 没登陆
+        response = self.client.get("/test/cbv/1024/", HTTP_X_REQUESTED_WITH='XMLHttpRequest')
+        self.assertEqual(json.loads(response.content), {"code": 1, "data": u"请先登录"})
+
+        # 登陆后
+        self.client.login(username="test", password="test")
+        response = self.client.get("/test/cbv/1024/")
+        self.assertEqual(response.content, "1024")