#!/usr/bin/env python3 # -*- coding: utf-8 -*- """ Created on Mon Feb 22 08:35:42 2021@author: myhaspl """class Point:def __new__(cls,x=0,y=0):'new調(diào)用此方法后，再調(diào)用__init__構(gòu)造函數(shù)，可在此方法中對(duì)父類的__new__方法進(jìn)行調(diào)用'print("new")return object.__new__(cls)def __init__(self,x=0,y=0):print("init")self.set(x,y)def set(self,x,y):"設(shè)置點(diǎn)對(duì)象的坐標(biāo)值"self.x=xself.y=ydef setFromPoint(self,point):"""從另一個(gè)相同的類對(duì)象設(shè)置本類對(duì)象的坐標(biāo)值。"""self.x=point.xself.y=point.yb=Point(10,20) print(b.x) print(b.y) b.set(101, 102) print(b.x) print(b.y)a=Point() print(a.x) print(a.y) a.setFromPoint(b) print(a.x) print(a.y)

文檔字符串用于注釋文檔
1、‘’或“”完成單行文檔注釋
2、""" “”"完成多行文檔注釋
3、使用help查看文檔

help(Point) Help on class Point in module __main__:class Point(builtins.object)| Point(x=0, y=0)| | Methods defined here:| | __init__(self, x=0, y=0)| Initialize self. See help(type(self)) for accurate signature.| | set(self, x, y)| 設(shè)置點(diǎn)對(duì)象的坐標(biāo)值| | setFromPoint(self, point)| 從另一個(gè)相同的類對(duì)象設(shè)置| 本類對(duì)象的坐標(biāo)值。| | ----------------------------------------------------------------------| Static methods defined here:| | __new__(cls, x=0, y=0)| new調(diào)用此方法后，再調(diào)用__init__構(gòu)造函數(shù)，可在此方法中對(duì)父類的__new__方法進(jìn)行調(diào)用| | ----------------------------------------------------------------------| Data descriptors defined here:| | __dict__| dictionary for instance variables (if defined)| | __weakref__| list of weak references to the object (if defined)

總結(jié)

以上是生活随笔為你收集整理的python精要（66）—类（3）－文档字符串，注释文档的全部?jī)?nèi)容，希望文章能夠幫你解決所遇到的問(wèn)題。

如果覺(jué)得生活随笔網(wǎng)站內(nèi)容還不錯(cuò)，歡迎將生活随笔推薦給好友。