Python hasattr判断是否存在属性

tuntun · tuntun · commit ef9c484d431f · 2015-12-01T11:50:05.000+08:00
diff --git a/hasattr.py b/hasattr.py
@@ -0,0 +1,26 @@
+# -*- coding: utf-8 -*-
+
+# Python hasattr&#21028;&#26029;&#26159;&#21542;&#23384;&#22312;&#23646;&#24615;
+
+class Test:
+
+    product11 = ['d']
+
+    def __init__(self):
+        pass
+
+    def product(self, a, b):
+        return a * b
+
+    def is_exists(self):
+       print(hasattr(self, 'product'))
+
+
+test = Test()
+test.is_exists()
+
+
+"""
+dir(test):
+['__doc__', '__init__', '__module__', 'is_exists', 'product', 'product11']
+"""
