dgango 反射
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""" 反射 由字符串反向找 变量、函数、类 """ import sys class Person(object): def __init__(self, name): self.name = name def eat(self, food): print("{} 在吃 {}".format(self.name, food)) def dream(self): print("{} 在做白日梦!".format(self.name)) print(Person) s = "person" # 字符串首字母大写 s = s.capitalize() print(s, type(s)) # 打印下当前可用的变量 print(locals()["s"]) print(locals().get("s")) # # 反射 if hasattr(sys.modules[__name__], s): print("找到了") the_class = getattr(sys.modules[__name__], s) print(the_class) obj = the_class(name="赵导") obj.eat("炒饼") # s(name="赵导") print("=" * 120) def f(): a = 1 b = 2 c = 3 print(locals()) f()