Skip to content

Commit 89fe72e

Browse files
coder-pigcoder-pig
committed
Push Code
1 parent 93c2530 commit 89fe72e

File tree

10 files changed

+242
-0
lines changed

10 files changed

+242
-0
lines changed

‎Chapter 9/9_1.py

Lines changed: 30 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,30 @@
1+
"""
2+
定义类与示例
3+
"""
4+
5+
6+
class Bird:
7+
"""
8+
鸟类
9+
"""
10+
kind = '动物'
11+
name = "鸟"
12+
13+
def __init__(self, name, wings):
14+
self.name = name
15+
self.wings = wings
16+
17+
def can_fly(self, can):
18+
print("%s有 %s 的翅膀，%s飞翔" % (self.name, self.wings, '能' if can else '不能'))
19+
20+
21+
if __name__ == '__main__':
22+
eagle = Bird("老鹰", "长而宽阔")
23+
duck = Bird("鸭子", "较短")
24+
eagle.can_fly(True)
25+
duck.can_fly(False)
26+
27+
print("类访问类变量：%s" % Bird.kind)
28+
print("类访问变类量：%s" % Bird.name)
29+
print("实例访问类变量：%s" % eagle.kind)
30+
print("实例访问同名变量：%s" % duck.name)

‎Chapter 9/9_10.py

Lines changed: 34 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,34 @@
1+
"""
2+
组合代码示例
3+
"""
4+
5+
6+
class Book:
7+
def __init__(self, num):
8+
self.num = num
9+
10+
11+
class Phone:
12+
def __init__(self, num):
13+
self.num = num
14+
15+
16+
class Wallet:
17+
def __init__(self, num):
18+
self.num = num
19+
20+
21+
class Bag:
22+
def __init__(self, x, y, z):
23+
self.book = Book(x)
24+
self.phone = Phone(y)
25+
self.wallet = Wallet(z)
26+
27+
def show_bag(self):
28+
print("您的背包里有：【书本】* %d 【手机】* %d 【钱包】* %d" %
29+
(self.book.num, self.phone.num, self.wallet.num))
30+
31+
32+
if __name__ == '__main__':
33+
bag = Bag(3, 2, 1)
34+
bag.show_bag()

‎Chapter 9/9_2.py

Lines changed: 15 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,15 @@
1+
"""
2+
类函数示例
3+
"""
4+
5+
6+
class A:
7+
@classmethod
8+
def fun_a(cls):
9+
print(type(cls), cls)
10+
11+
12+
if __name__ == '__main__':
13+
A.fun_a()
14+
a = A()
15+
a.fun_a()

‎Chapter 9/9_3.py

Lines changed: 13 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,13 @@
1+
"""
2+
成员函数代码示例
3+
"""
4+
5+
6+
class B:
7+
def fun_b(self):
8+
print("Call fun_b()")
9+
10+
if __name__ == '__main__':
11+
b = B()
12+
b.fun_b()
13+
B.fun_b(b)

‎Chapter 9/9_4.py

Lines changed: 12 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,12 @@
1+
"""
2+
静态函数示例
3+
"""
4+
class C:
5+
@staticmethod
6+
def fun_c():
7+
print("Call fun_c()")
8+
9+
if __name__ == '__main__':
10+
C.fun_c()
11+
c = C()
12+
c.fun_c()

‎Chapter 9/9_5.py

Lines changed: 19 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,19 @@
1+
"""
2+
访问控制代码示例
3+
"""
4+
5+
6+
class People:
7+
sex = 1 # 类属性
8+
__skill = "敲代码" # 私有类属性，只能类内部访问，外部无法访问
9+
_hello = 1
10+
11+
def speak(self):
12+
print("我是一个人，技能是：%s" % self.__skill, end='\t')
13+
14+
15+
people = People()
16+
people.speak()
17+
people.sex = -1
18+
print("性别：" + ("男" if people.sex == 1 else "女"))
19+
print("访问私有属性：%s" % people._People__skill)

‎Chapter 9/9_6.py

Lines changed: 30 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,30 @@
1+
"""
2+
类动态绑定属性与函数示例
3+
"""
4+
5+
6+
class A:
7+
def __init__(self, id_):
8+
self.id_ = id_
9+
10+
11+
# 定义一个用于动态绑定的函数
12+
def set_name(self, name):
13+
print("调用了动态绑定的函数")
14+
self.name = name
15+
16+
17+
if __name__ == '__main__':
18+
# 动态绑定一个属性
19+
A.kind = "人类"
20+
# 动态绑定一个函数
21+
A.set_name = set_name
22+
a = A(1)
23+
# 类访问动态绑定的属性
24+
print(A.kind)
25+
# 实例访问动态绑定的属性
26+
print(a.kind)
27+
# 类访问动态绑定的函数
28+
A.set_name(a,'123')
29+
# 实例访问动态绑定的函数
30+
a.set_name('321')

‎Chapter 9/9_7.py

Lines changed: 30 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,30 @@
1+
"""
2+
类实例动态绑定属性与函数示例
3+
"""
4+
from types import MethodType
5+
6+
7+
class B:
8+
def __init__(self, id_):
9+
self.id_ = id_
10+
11+
12+
# 定义一个用于动态绑定的函数
13+
def set_name(self, name):
14+
print("调用了动态绑定的函数")
15+
self.name = name
16+
17+
18+
if __name__ == '__main__':
19+
b_1 = B('1')
20+
# 动态为实例1绑定一个属性
21+
b_1.kind = "人类"
22+
# 动态为实例1绑定一个函数
23+
b_1.set_name = MethodType(set_name, b_1)
24+
# 实例1设置动态绑定的属性与函数
25+
print(b_1.kind)
26+
b_1.set_name('123')
27+
28+
# 另一个类实例调用动态绑定的属性
29+
b_2 = B('2')
30+
print(b_2.kind)

‎Chapter 9/9_8.py

Lines changed: 33 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,33 @@
1+
"""
2+
单继承代码示例
3+
"""
4+
5+
6+
class Bird:
7+
def __init__(self, name):
8+
self.name = name
9+
10+
def can_fly(self, can):
11+
self.can = can
12+
13+
def __str__(self):
14+
return self.name + ("能够" if self.can == True else "不能够") + "飞翔。"
15+
16+
17+
class Duck(Bird):
18+
# 子类扩展父类中的方法
19+
def set_color(self, color):
20+
self.color = color
21+
22+
# 重写父类中里的方法
23+
def __str__(self):
24+
return self.color + "的" + self.name + ("能够" if self.can == True else "不能够") + "飞翔，" + "会游泳。"
25+
26+
if __name__ == '__main__':
27+
duck = Duck("小鸭子")
28+
duck.can_fly(False)
29+
duck.set_color("黄色")
30+
print(duck)
31+
# # 实例化一个父类对象
32+
bird = Bird('鸟')
33+
bird.can_swin()

‎Chapter 9/9_9.py

Lines changed: 26 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,26 @@
1+
"""
2+
多继承代码示例
3+
"""
4+
5+
6+
class A:
7+
def show_A(self):
8+
print('父类A')
9+
10+
11+
class B:
12+
def show_B(self):
13+
print('父类B')
14+
15+
16+
# 定义一个子类，继承A和B类
17+
class C(A, B):
18+
def show_C(self):
19+
print('子类C')
20+
21+
if __name__ == '__main__':
22+
c = C()
23+
c.show_A()
24+
c.show_B()
25+
c.show_C()
26+
print(C.__mro__)

0 commit comments

Comments
 (0)