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coder-pig · coder-pig · commit faa02c3a7c79 · 2018-07-11T20:36:00.000+08:00
diff --git a/Chapter 6/6_12_1.py b/Chapter 6/6_12_1.py
@@ -0,0 +1,36 @@
+"""
+装饰器代码示例
+"""
+import time
+
+
+def 计时(配料="珍珠"):
+    def decorator(func):
+        def inner():
+            print("加入配料：%s" % 配料 )
+            start = time.time()
+            func()
+            end = time.time()
+            print("耗时", end - start)
+            return func
+        return inner
+
+    return decorator
+
+
+@计时(配料='波霸')
+def 波霸奶茶():
+    time.sleep(1)
+    print("制作一杯波霸奶茶")
+
+
+@计时(配料='椰果')
+def 四季奶绿():
+    time.sleep(2)
+    print("制作一杯四季奶绿")
+
+
+if __name__ == '__main__':
+    波霸奶茶()
+    print()
+    四季奶绿()
diff --git a/Chapter 6/6_12_2.py b/Chapter 6/6_12_2.py
@@ -0,0 +1,38 @@
+"""
+多个装饰器装饰函数的执行顺序示例
+"""
+
+
+def func_a(func):
+    def decorator():
+        func()
+        print("Call func_a")
+
+    return decorator
+
+
+def func_b(func):
+    def decorator():
+        func()
+        print("Call func_b")
+
+    return decorator
+
+
+def func_c(func):
+    def decorator():
+        func()
+        print("Call func_c")
+
+    return decorator
+
+
+@func_a
+@func_b
+@func_c
+def func_t():
+    pass
+
+
+if __name__ == '__main__':
+    func_t()
diff --git a/Chapter 6/6_12_3.py b/Chapter 6/6_12_3.py
@@ -0,0 +1,21 @@
+"""
+函数装饰函数
+"""
+
+
+def func_func(func):
+    def decorator(a, b):
+        print("函数修饰的函数名：", func.__name__)
+        result = func(a, b)
+        return result
+
+    return decorator
+
+
+@func_func
+def func_add(a, b):
+    return a + b
+
+
+if __name__ == '__main__':
+    print(func_add(1, 2))
diff --git a/Chapter 6/6_12_4.py b/Chapter 6/6_12_4.py
@@ -0,0 +1,24 @@
+"""
+函数装饰类代码示例
+"""
+
+
+def func_class(cls):
+    def decorator(name):
+        print("函数修饰的类：", cls.__name__, name)
+        return cls(name)
+
+    return decorator
+
+
+@func_class
+class A:
+    def __init__(self, n):
+        self.n = n
+
+    def show(self):
+        print("a = " + self.n)
+
+
+a = A('123')
+a.show()
diff --git a/Chapter 6/6_12_5.py b/Chapter 6/6_12_5.py
@@ -0,0 +1,21 @@
+"""
+类装饰函数代码示例
+"""
+
+
+class class_func:
+    def __init__(self, _func):
+        self._func = _func
+
+    def __call__(self, name):
+        print("类装饰的方法名：", self._func.__name__, name)
+        return self._func(name)
+
+
+@class_func
+def func(a):
+    return a
+
+
+if __name__ == '__main__':
+    print(func('123'))
diff --git a/Chapter 6/6_12_6.py b/Chapter 6/6_12_6.py
@@ -0,0 +1,26 @@
+"""
+类装饰类代码示例
+"""
+
+
+class class_class:
+    def __init__(self, _cls):
+        self._cls = _cls
+
+    def __call__(self, name):
+        print("类装饰的类的类名：", self._cls.__name__, name)
+        return self._cls(name)
+
+
+@class_class
+class A:
+    def __init__(self, a):
+        self.a = a
+
+    def show(self):
+        print('self.a = ', self.a)
+
+
+if __name__ == '__main__':
+    a = A('123')
+    a.show()
