Update clear_cache.py

src/DjangoBlog/blog/management/commands/clear_cache.py

@@ -3,9 +3,9 @@ from django.core.management.base import BaseCommand
 from djangoblog.utils import cache
 
 
-class Command(BaseCommand):
-    help = 'clear the whole cache'
+class Command(BaseCommand):  #ZNY 定义清除缓存命令类，继承BaseCommand
+    help = 'clear the whole cache'  #ZNY 命令帮助信息：清除整个缓存
 
-    def handle(self, *args, **options):
-        cache.clear()
-        self.stdout.write(self.style.SUCCESS('Cleared cache\n'))
+    def handle(self, *args, **options):  #ZNY 命令处理主方法
+        cache.clear()  #ZNY 调用Django缓存接口清除所有缓存
+        self.stdout.write(self.style.SUCCESS('Cleared cache\n'))  #ZNY 输出成功信息到标准输出