洗礼灵魂,修炼python(39)--面向对象编程(9)—魔法方法表
好的,不多说,大招来了,几乎完整的魔法方法:
基本的魔法方法
Normal
0
7.8 磅
0
2
false
false
false
EN-US
ZH-CN
X-NONE
/* Style Definitions */
table.MsoNormalTable
{mso-style-name:普通表格;
mso-tstyle-rowband-size:0;
mso-tstyle-colband-size:0;
mso-style-noshow:yes;
mso-style-priority:99;
mso-style-parent:"";
mso-padding-alt:0cm 5.4pt 0cm 5.4pt;
mso-para-margin:0cm;
mso-para-margin-bottom:.0001pt;
mso-pagination:widow-orphan;
font-size:10.5pt;
mso-bidi-font-size:11.0pt;
font-family:"Calibri","sans-serif";
mso-ascii-font-family:Calibri;
mso-ascii-theme-font:minor-latin;
mso-hansi-font-family:Calibri;
mso-hansi-theme-font:minor-latin;
mso-font-kerning:1.0pt;}
table.MsoTableGrid
{mso-style-name:网格型;
mso-tstyle-rowband-size:0;
mso-tstyle-colband-size:0;
mso-style-priority:59;
mso-style-unhide:no;
border:solid windowtext 1.0pt;
mso-border-alt:solid windowtext .5pt;
mso-padding-alt:0cm 5.4pt 0cm 5.4pt;
mso-border-insideh:.5pt solid windowtext;
mso-border-insidev:.5pt solid windowtext;
mso-para-margin:0cm;
mso-para-margin-bottom:.0001pt;
mso-pagination:widow-orphan;
font-size:10.5pt;
mso-bidi-font-size:11.0pt;
font-family:"Calibri","sans-serif";
mso-ascii-font-family:Calibri;
mso-ascii-theme-font:minor-latin;
mso-hansi-font-family:Calibri;
mso-hansi-theme-font:minor-latin;
mso-font-kerning:1.0pt;}
__new__(cls[, ...]) |
__new__ 是在一个对象实例化的时候所调用的第一个方法 它的第一个参数是这个类,其他的参数是用来直接传递给 __init__ 方法 __new__ 决定是否要使用该 __init__ 方法,因为 __new__ 可以调用其他类的构造方法或者直接返回别的实例对象来作为本类的实例,如果 __new__ 没有返回实例对象,则 __init__ 不会被调用 __new__ 主要是用于继承一个不可变的类型比如一个 tuple 或者 string |
__init__(self[, ...]) |
构造器,当一个实例被创建的时候调用的初始化方法 |
__del__(self) |
析构器,当一个实例被销毁的时候调用的方法 |
__call__(self[, args...]) |
允许一个类的实例像函数一样被调用:x(a, b) 调用 x.__call__(a, b) |
__len__(self) |
定义当被 len() 调用时的行为 |
__repr__(self) |
定义当被 repr() 调用时的行为 |
__str__(self) |
定义当被 str() 调用时的行为 |
__bytes__(self) |
定义当被 bytes() 调用时的行为 |
__hash__(self) |
定义当被 hash() 调用时的行为 |
__bool__(self) |
定义当被 bool() 调用时的行为,应该返回 True 或 False |
__format__(self, format_spec) |
定义当被 format() 调用时的行为 |
Normal
0
7.8 磅
0
2
false
false
false
EN-US
ZH-CN
X-NONE
/* Style Definitions */
table.MsoNormalTable
{mso-style-name:普通表格;
mso-tstyle-rowband-size:0;
mso-tstyle-colband-size:0;
mso-style-noshow:yes;
mso-style-priority:99;
mso-style-parent:"";
mso-padding-alt:0cm 5.4pt 0cm 5.4pt;
mso-para-margin:0cm;
mso-para-margin-bottom:.0001pt;
mso-pagination:widow-orphan;
font-size:10.5pt;
mso-bidi-font-size:11.0pt;
font-family:"Calibri","sans-serif";
mso-ascii-font-family:Calibri;
mso-ascii-theme-font:minor-latin;
mso-hansi-font-family:Calibri;
mso-hansi-theme-font:minor-latin;
mso-font-kerning:1.0pt;}
table.MsoTableGrid
{mso-style-name:网格型;
mso-tstyle-rowband-size:0;
mso-tstyle-colband-size:0;
mso-style-priority:59;
mso-style-unhide:no;
border:solid windowtext 1.0pt;
mso-border-alt:solid windowtext .5pt;
mso-padding-alt:0cm 5.4pt 0cm 5.4pt;
mso-border-insideh:.5pt solid windowtext;
mso-border-insidev:.5pt solid windowtext;
mso-para-margin:0cm;
mso-para-margin-bottom:.0001pt;
mso-pagination:widow-orphan;
font-size:10.5pt;
mso-bidi-font-size:11.0pt;
font-family:"Calibri","sans-serif";
mso-ascii-font-family:Calibri;
mso-ascii-theme-font:minor-latin;
mso-hansi-font-family:Calibri;
mso-hansi-theme-font:minor-latin;
mso-font-kerning:1.0pt;}
有关属性
Normal
0
7.8 磅
0
2
false
false
false
EN-US
ZH-CN
X-NONE
/* Style Definitions */
table.MsoNormalTable
{mso-style-name:普通表格;
mso-tstyle-rowband-size:0;
mso-tstyle-colband-size:0;
mso-style-noshow:yes;
mso-style-priority:99;
mso-style-parent:"";
mso-padding-alt:0cm 5.4pt 0cm 5.4pt;
mso-para-margin:0cm;
mso-para-margin-bottom:.0001pt;
mso-pagination:widow-orphan;
font-size:10.5pt;
mso-bidi-font-size:11.0pt;
font-family:"Calibri","sans-serif";
mso-ascii-font-family:Calibri;
mso-ascii-theme-font:minor-latin;
mso-hansi-font-family:Calibri;
mso-hansi-theme-font:minor-latin;
mso-font-kerning:1.0pt;}
table.MsoTableGrid
{mso-style-name:网格型;
mso-tstyle-rowband-size:0;
mso-tstyle-colband-size:0;
mso-style-priority:59;
mso-style-unhide:no;
border:solid windowtext 1.0pt;
mso-border-alt:solid windowtext .5pt;
mso-padding-alt:0cm 5.4pt 0cm 5.4pt;
mso-border-insideh:.5pt solid windowtext;
mso-border-insidev:.5pt solid windowtext;
mso-para-margin:0cm;
mso-para-margin-bottom:.0001pt;
mso-pagination:widow-orphan;
font-size:10.5pt;
mso-bidi-font-size:11.0pt;
font-family:"Calibri","sans-serif";
mso-ascii-font-family:Calibri;
mso-ascii-theme-font:minor-latin;
mso-hansi-font-family:Calibri;
mso-hansi-theme-font:minor-latin;
mso-font-kerning:1.0pt;}
__getattr__(self, name) |
定义当用户试图获取一个不存在的属性时的行为 |
__getattribute__(self, name) |
定义当该类的属性被访问时的行为 |
__setattr__(self, name, value) |
定义当一个属性被设置时的行为 |
__delattr__(self, name) |
定义当一个属性被删除时的行为 |
__dir__(self) |
定义当 dir() 被调用时的行为 |
__get__(self, instance, owner) |
定义当描述符的值被取得时的行为 |
__set__(self, instance, value) |
定义当描述符的值被改变时的行为 |
__delete__(self, instance) |
定义当描述符的值被删除时的行为 |
比较操作符
Normal
0
7.8 磅
0
2
false
false
false
EN-US
ZH-CN
X-NONE
/* Style Definitions */
table.MsoNormalTable
{mso-style-name:普通表格;
mso-tstyle-rowband-size:0;
mso-tstyle-colband-size:0;
mso-style-noshow:yes;
mso-style-priority:99;
mso-style-parent:"";
mso-padding-alt:0cm 5.4pt 0cm 5.4pt;
mso-para-margin:0cm;
mso-para-margin-bottom:.0001pt;
mso-pagination:widow-orphan;
font-size:10.5pt;
mso-bidi-font-size:11.0pt;
font-family:"Calibri","sans-serif";
mso-ascii-font-family:Calibri;
mso-ascii-theme-font:minor-latin;
mso-hansi-font-family:Calibri;
mso-hansi-theme-font:minor-latin;
mso-font-kerning:1.0pt;}
table.MsoTableGrid
{mso-style-name:网格型;
mso-tstyle-rowband-size:0;
mso-tstyle-colband-size:0;
mso-style-priority:59;
mso-style-unhide:no;
border:solid windowtext 1.0pt;
mso-border-alt:solid windowtext .5pt;
mso-padding-alt:0cm 5.4pt 0cm 5.4pt;
mso-border-insideh:.5pt solid windowtext;
mso-border-insidev:.5pt solid windowtext;
mso-para-margin:0cm;
mso-para-margin-bottom:.0001pt;
mso-pagination:widow-orphan;
font-size:10.5pt;
mso-bidi-font-size:11.0pt;
font-family:"Calibri","sans-serif";
mso-ascii-font-family:Calibri;
mso-ascii-theme-font:minor-latin;
mso-hansi-font-family:Calibri;
mso-hansi-theme-font:minor-latin;
mso-font-kerning:1.0pt;}
__lt__(self, other) |
定义小于号的行为:x < y 调用 x.__lt__(y) |
__le__(self, other) |
定义小于等于号的行为:x <= y 调用 x.__le__(y) |
__eq__(self, other) |
定义等于号的行为:x == y 调用 x.__eq__(y) |
__ne__(self, other) |
定义不等号的行为:x != y 调用 x.__ne__(y) |
__gt__(self, other) |
定义大于号的行为:x > y 调用 x.__gt__(y) |
__ge__(self, other) |
定义大于等于号的行为:x >= y 调用 x.__ge__(y) |
算数运算符
Normal
0
7.8 磅
0
2
false
false
false
EN-US
ZH-CN
X-NONE
/* Style Definitions */
table.MsoNormalTable
{mso-style-name:普通表格;
mso-tstyle-rowband-size:0;
mso-tstyle-colband-size:0;
mso-style-noshow:yes;
mso-style-priority:99;
mso-style-parent:"";
mso-padding-alt:0cm 5.4pt 0cm 5.4pt;
mso-para-margin:0cm;
mso-para-margin-bottom:.0001pt;
mso-pagination:widow-orphan;
font-size:10.5pt;
mso-bidi-font-size:11.0pt;
font-family:"Calibri","sans-serif";
mso-ascii-font-family:Calibri;
mso-ascii-theme-font:minor-latin;
mso-hansi-font-family:Calibri;
mso-hansi-theme-font:minor-latin;
mso-font-kerning:1.0pt;}
table.MsoTableGrid
{mso-style-name:网格型;
mso-tstyle-rowband-size:0;
mso-tstyle-colband-size:0;
mso-style-priority:59;
mso-style-unhide:no;
border:solid windowtext 1.0pt;
mso-border-alt:solid windowtext .5pt;
mso-padding-alt:0cm 5.4pt 0cm 5.4pt;
mso-border-insideh:.5pt solid windowtext;
mso-border-insidev:.5pt solid windowtext;
mso-para-margin:0cm;
mso-para-margin-bottom:.0001pt;
mso-pagination:widow-orphan;
font-size:10.5pt;
mso-bidi-font-size:11.0pt;
font-family:"Calibri","sans-serif";
mso-ascii-font-family:Calibri;
mso-ascii-theme-font:minor-latin;
mso-hansi-font-family:Calibri;
mso-hansi-theme-font:minor-latin;
mso-font-kerning:1.0pt;}
__add__(self, other) |
:定义加法的行为:+ |
__sub__(self, other) |
:定义减法的行为:- |
__mul__(self, other |
: 定义乘法的行为:* |
__truediv__(self, other) |
:定义真除法的行为:/ |
__floordiv__(self, other) |
定义整数除法的行为:// |
__mod__(self, other) |
定义取模算法的行为:% |
__divmod__(self, other) |
定义当被 divmod() 调用时的行为 |
__pow__(self,other[, odulo]) |
定义当被 power() 调用或 ** 运算时的行为 |
__pow__(self,other[, odulo]) |
定义当被 power() 调用或 ** 运算时的行为 |
__lshift__(self, other) |
定义按位左移位的行为:<< |
__rshift__(self, other) |
定义按位右移位的行为:>> |
__and__(self, other) |
定义按位与操作的行为:& |
__xor__(self, other) |
定义按位异或操作的行为:^ |
__or__(self, other) |
定义按位或操作的行为:| |
反运算(右操作,从右往左操作)
以下的方法与上面的左操作运行是一样的,当左操作不支持,则进行右操作
__radd__(self, other):上同__add__(self, other)
__rsub__(self, other):上同__sub__(self, other)
__rmul__(self, other):上同__mul__(self, other)
__rtruediv__(self, other):上同__truediv__(self, other)
__rfloordiv__(self, other):上同__floordiv__(self, other)
__rmod__(self, other):上同__mod__(self, other)
__rdivmod__(self, other):上同__divmod__(self, other)
__rpow__(self, other):上同__pow__(self, other[, modulo]
__rlshift__(self, other):上同__lshift__(self, other)
__rrshift__(self, other):上同__rshift__(self, other)
__rand__(self, other):上同__and__(self, other)
__rxor__(self, other) :上同__xor__(self, other)
__ror__(self, other) : 上同__or__(self, other)
增量赋值运算
Normal
0
7.8 磅
0
2
false
false
false
EN-US
ZH-CN
X-NONE
/* Style Definitions */
table.MsoNormalTable
{mso-style-name:普通表格;
mso-tstyle-rowband-size:0;
mso-tstyle-colband-size:0;
mso-style-noshow:yes;
mso-style-priority:99;
mso-style-parent:"";
mso-padding-alt:0cm 5.4pt 0cm 5.4pt;
mso-para-margin:0cm;
mso-para-margin-bottom:.0001pt;
mso-pagination:widow-orphan;
font-size:10.5pt;
mso-bidi-font-size:11.0pt;
font-family:"Calibri","sans-serif";
mso-ascii-font-family:Calibri;
mso-ascii-theme-font:minor-latin;
mso-hansi-font-family:Calibri;
mso-hansi-theme-font:minor-latin;
mso-font-kerning:1.0pt;}
table.MsoTableGrid
{mso-style-name:网格型;
mso-tstyle-rowband-size:0;
mso-tstyle-colband-size:0;
mso-style-priority:59;
mso-style-unhide:no;
border:solid windowtext 1.0pt;
mso-border-alt:solid windowtext .5pt;
mso-padding-alt:0cm 5.4pt 0cm 5.4pt;
mso-border-insideh:.5pt solid windowtext;
mso-border-insidev:.5pt solid windowtext;
mso-para-margin:0cm;
mso-para-margin-bottom:.0001pt;
mso-pagination:widow-orphan;
font-size:10.5pt;
mso-bidi-font-size:11.0pt;
font-family:"Calibri","sans-serif";
mso-ascii-font-family:Calibri;
mso-ascii-theme-font:minor-latin;
mso-hansi-font-family:Calibri;
mso-hansi-theme-font:minor-latin;
mso-font-kerning:1.0pt;}
__iadd__(self, other) |
定义赋值加法的行为:+= |
__isub__(self, other) |
定义赋值减法的行为:-= |
__imul__(self, other) |
定义赋值乘法的行为:*= |
__itruediv__(self, other) |
定义赋值真除法的行为:/= |
__ifloordiv__(self, other) |
:定义赋值整数除法的行为://= |
__imod__(self, other) |
定义赋值取模算法的行为:%= |
__ipow__(self,other[, modulo]) |
定义赋值幂运算的行为:**= |
__ilshift__(self, other) |
定义赋值按位左移位的行为:<<= |
__irshift__(self, other) |
定义赋值按位右移位的行为:>>= |
__iand__(self, other) |
定义赋值按位与操作的行为:&= |
__ixor__(self, other) |
定义赋值按位异或操作的行为:^= |
__ior__(self, other) |
定义赋值按位或操作的行为:|= |
一元操作符
Normal
0
7.8 磅
0
2
false
false
false
EN-US
ZH-CN
X-NONE
/* Style Definitions */
table.MsoNormalTable
{mso-style-name:普通表格;
mso-tstyle-rowband-size:0;
mso-tstyle-colband-size:0;
mso-style-noshow:yes;
mso-style-priority:99;
mso-style-parent:"";
mso-padding-alt:0cm 5.4pt 0cm 5.4pt;
mso-para-margin:0cm;
mso-para-margin-bottom:.0001pt;
mso-pagination:widow-orphan;
font-size:10.5pt;
mso-bidi-font-size:11.0pt;
font-family:"Calibri","sans-serif";
mso-ascii-font-family:Calibri;
mso-ascii-theme-font:minor-latin;
mso-hansi-font-family:Calibri;
mso-hansi-theme-font:minor-latin;
mso-font-kerning:1.0pt;}
table.MsoTableGrid
{mso-style-name:网格型;
mso-tstyle-rowband-size:0;
mso-tstyle-colband-size:0;
mso-style-priority:59;
mso-style-unhide:no;
border:solid windowtext 1.0pt;
mso-border-alt:solid windowtext .5pt;
mso-padding-alt:0cm 5.4pt 0cm 5.4pt;
mso-border-insideh:.5pt solid windowtext;
mso-border-insidev:.5pt solid windowtext;
mso-para-margin:0cm;
mso-para-margin-bottom:.0001pt;
mso-pagination:widow-orphan;
font-size:10.5pt;
mso-bidi-font-size:11.0pt;
font-family:"Calibri","sans-serif";
mso-ascii-font-family:Calibri;
mso-ascii-theme-font:minor-latin;
mso-hansi-font-family:Calibri;
mso-hansi-theme-font:minor-latin;
mso-font-kerning:1.0pt;}
__pos__(self) |
定义正号的行为:+x |
__neg__(self) |
定义负号的行为:-x |
__abs__(self) |
定义当被 abs() 调用时的行为 |
__invert__(self) |
定义按位求反的行为:~x |
类型转换
Normal
0
7.8 磅
0
2
false
false
false
EN-US
ZH-CN
X-NONE
/* Style Definitions */
table.MsoNormalTable
{mso-style-name:普通表格;
mso-tstyle-rowband-size:0;
mso-tstyle-colband-size:0;
mso-style-noshow:yes;
mso-style-priority:99;
mso-style-parent:"";
mso-padding-alt:0cm 5.4pt 0cm 5.4pt;
mso-para-margin:0cm;
mso-para-margin-bottom:.0001pt;
mso-pagination:widow-orphan;
font-size:10.5pt;
mso-bidi-font-size:11.0pt;
font-family:"Calibri","sans-serif";
mso-ascii-font-family:Calibri;
mso-ascii-theme-font:minor-latin;
mso-hansi-font-family:Calibri;
mso-hansi-theme-font:minor-latin;
mso-font-kerning:1.0pt;}
table.MsoTableGrid
{mso-style-name:网格型;
mso-tstyle-rowband-size:0;
mso-tstyle-colband-size:0;
mso-style-priority:59;
mso-style-unhide:no;
border:solid windowtext 1.0pt;
mso-border-alt:solid windowtext .5pt;
mso-padding-alt:0cm 5.4pt 0cm 5.4pt;
mso-border-insideh:.5pt solid windowtext;
mso-border-insidev:.5pt solid windowtext;
mso-para-margin:0cm;
mso-para-margin-bottom:.0001pt;
mso-pagination:widow-orphan;
font-size:10.5pt;
mso-bidi-font-size:11.0pt;
font-family:"Calibri","sans-serif";
mso-ascii-font-family:Calibri;
mso-ascii-theme-font:minor-latin;
mso-hansi-font-family:Calibri;
mso-hansi-theme-font:minor-latin;
mso-font-kerning:1.0pt;}
Normal
0
7.8 磅
0
2
false
false
false
EN-US
ZH-CN
X-NONE
/* Style Definitions */
table.MsoNormalTable
{mso-style-name:普通表格;
mso-tstyle-rowband-size:0;
mso-tstyle-colband-size:0;
mso-style-noshow:yes;
mso-style-priority:99;
mso-style-parent:"";
mso-padding-alt:0cm 5.4pt 0cm 5.4pt;
mso-para-margin:0cm;
mso-para-margin-bottom:.0001pt;
mso-pagination:widow-orphan;
font-size:10.5pt;
mso-bidi-font-size:11.0pt;
font-family:"Calibri","sans-serif";
mso-ascii-font-family:Calibri;
mso-ascii-theme-font:minor-latin;
mso-hansi-font-family:Calibri;
mso-hansi-theme-font:minor-latin;
mso-font-kerning:1.0pt;}
table.MsoTableGrid
{mso-style-name:网格型;
mso-tstyle-rowband-size:0;
mso-tstyle-colband-size:0;
mso-style-priority:59;
mso-style-unhide:no;
border:solid windowtext 1.0pt;
mso-border-alt:solid windowtext .5pt;
mso-padding-alt:0cm 5.4pt 0cm 5.4pt;
mso-border-insideh:.5pt solid windowtext;
mso-border-insidev:.5pt solid windowtext;
mso-para-margin:0cm;
mso-para-margin-bottom:.0001pt;
mso-pagination:widow-orphan;
font-size:10.5pt;
mso-bidi-font-size:11.0pt;
font-family:"Calibri","sans-serif";
mso-ascii-font-family:Calibri;
mso-ascii-theme-font:minor-latin;
mso-hansi-font-family:Calibri;
mso-hansi-theme-font:minor-latin;
mso-font-kerning:1.0pt;}
__complex__(self) |
:定义当被 complex() 调用时的行为(需要返回恰当的值) |
__int__(self) |
:定义当被 int() 调用时的行为(需要返回恰当的值) |
__float__(self) |
:定义当被 float() 调用时的行为(需要返回恰当的值) |
__round__(self[, n]) |
定义当被 round() 调用时的行为(需要返回恰当的值) |
__index__(self) |
|
上下文管理(with 语句)
__enter__(self):
- 1. 定义当使用 with 语句时的初始化行为
- 2. __enter__ 的返回值被 with 语句的目标或者 as 后的名字绑定
- __exit__(self, exc_type, exc_value, traceback) 1. 定义当一个代码块被执行或者终止后上下文管理器应该做什么
- 2. 一般被用来处理异常,清除工作或者做一些代码块执行完毕之后的日常工作
容器类型
__len__(self) |
定义当被 len() 调用时的行为(返回容器中元素的个数) |
__getitem__(self, key) |
定义获取容器中指定元素的行为,相当于 self[key] |
__setitem__(self,key, value) |
定义设置容器中指定元素的行为,相当于 self[key] = value |
__delitem__(self, key) |
定义删除容器中指定元素的行为,相当于 del self[key] |
__iter__(self) |
定义当迭代容器中的元素的行为 |
__reversed__(self) |
定义当被 reversed() 调用时的行为 |
__contains__(self, item) |
定义当使用成员测试运算符(in 或 not in)时的行为 |
PS:博客园的编辑器里自带的表格真XX难用,改了好半天
Normal
0
7.8 磅
0
2
false
false
false
EN-US
ZH-CN
X-NONE
/* Style Definitions */
table.MsoNormalTable
{mso-style-name:普通表格;
mso-tstyle-rowband-size:0;
mso-tstyle-colband-size:0;
mso-style-noshow:yes;
mso-style-priority:99;
mso-style-parent:"";
mso-padding-alt:0cm 5.4pt 0cm 5.4pt;
mso-para-margin:0cm;
mso-para-margin-bottom:.0001pt;
mso-pagination:widow-orphan;
font-size:10.5pt;
mso-bidi-font-size:11.0pt;
font-family:"Calibri","sans-serif";
mso-ascii-font-family:Calibri;
mso-ascii-theme-font:minor-latin;
mso-hansi-font-family:Calibri;
mso-hansi-theme-font:minor-latin;
mso-font-kerning:1.0pt;}
table.MsoTableGrid
{mso-style-name:网格型;
mso-tstyle-rowband-size:0;
mso-tstyle-colband-size:0;
mso-style-priority:59;
mso-style-unhide:no;
border:solid windowtext 1.0pt;
mso-border-alt:solid windowtext .5pt;
mso-padding-alt:0cm 5.4pt 0cm 5.4pt;
mso-border-insideh:.5pt solid windowtext;
mso-border-insidev:.5pt solid windowtext;
mso-para-margin:0cm;
mso-para-margin-bottom:.0001pt;
mso-pagination:widow-orphan;
font-size:10.5pt;
mso-bidi-font-size:11.0pt;
font-family:"Calibri","sans-serif";
mso-ascii-font-family:Calibri;
mso-ascii-theme-font:minor-latin;
mso-hansi-font-family:Calibri;
mso-hansi-theme-font:minor-latin;
mso-font-kerning:1.0pt;}
Normal
0
7.8 磅
0
2
false
false
false
EN-US
ZH-CN
X-NONE
/* Style Definitions */
table.MsoNormalTable
{mso-style-name:普通表格;
mso-tstyle-rowband-size:0;
mso-tstyle-colband-size:0;
mso-style-noshow:yes;
mso-style-priority:99;
mso-style-parent:"";
mso-padding-alt:0cm 5.4pt 0cm 5.4pt;
mso-para-margin:0cm;
mso-para-margin-bottom:.0001pt;
mso-pagination:widow-orphan;
font-size:10.5pt;
mso-bidi-font-size:11.0pt;
font-family:"Calibri","sans-serif";
mso-ascii-font-family:Calibri;
mso-ascii-theme-font:minor-latin;
mso-hansi-font-family:Calibri;
mso-hansi-theme-font:minor-latin;
mso-font-kerning:1.0pt;}
table.MsoTableGrid
{mso-style-name:网格型;
mso-tstyle-rowband-size:0;
mso-tstyle-colband-size:0;
mso-style-priority:59;
mso-style-unhide:no;
border:solid windowtext 1.0pt;
mso-border-alt:solid windowtext .5pt;
mso-padding-alt:0cm 5.4pt 0cm 5.4pt;
mso-border-insideh:.5pt solid windowtext;
mso-border-insidev:.5pt solid windowtext;
mso-para-margin:0cm;
mso-para-margin-bottom:.0001pt;
mso-pagination:widow-orphan;
font-size:10.5pt;
mso-bidi-font-size:11.0pt;
font-family:"Calibri","sans-serif";
mso-ascii-font-family:Calibri;
mso-ascii-theme-font:minor-latin;
mso-hansi-font-family:Calibri;
mso-hansi-theme-font:minor-latin;
mso-font-kerning:1.0pt;}
洗礼灵魂,修炼python(39)--面向对象编程(9)—魔法方法表的更多相关文章
- python基础——面向对象编程
python基础——面向对象编程 面向对象编程——Object Oriented Programming,简称OOP,是一种程序设计思想.OOP把对象作为程序的基本单元,一个对象包含了数据和操作数据的 ...
- Python之面向对象编程学习
不知不觉,学到了python的面向对象编程思想.今天我们来讨论下面向对象编程的思想. 顾名思义,面向对象,就是面向于对象,这里所说的对象不是你现实生活中你的女朋友,你的老婆,你的爱人,在编程的世界里面 ...
- Python:面向对象编程3 定制类(有更新)
Python:面向对象编程3 定制类(有更新) ⚠️本文主要内容为对Data model相关知识点的提取学习记录.(内容来自文档和部分网页教程案例) ⚠️:这个连接指向<流畅的python&g ...
- 【python学习笔记】9.魔法方法、属性和迭代器
[python学习笔记]9.魔法方法.属性和迭代器 魔法方法:xx, 收尾各有两个下划线的方法 __init__(self): 构造方法,创建对象时候自动执行,可以为其增加参数, 父类构造方法不会被自 ...
- Python类属性访问的魔法方法
Python类属性访问的魔法方法: 1. __getattr__(self, name)- 定义当用户试图获取一个不存在的属性时的行为 2. __getattribute__(self, name)- ...
- 《扩展和嵌入python解释器》1.4 模块方法表和初始化函数
<扩展和嵌入python解释器>1.4 模块方法表和初始化函数 1.4 模块方法表和初始化函数 下面,我演示如何从Python程序调用spam_system().首先,我们需要在’方法 ...
- python基础-面向对象编程
一.三大编程范式 编程范式即编程的方法论,标识一种编程风格 三大编程范式: 1.面向过程编程 2.函数式编程 3.面向对象编程 二.编程进化论 1.编程最开始就是无组织无结构,从简单控制流中按步写指令 ...
- python之面向对象编程
1.面向对象介绍: 世界万物,皆可分类 世界万物,皆为对象 只要是对象,就肯定属于某种类 只要是对象,就肯定有属性 2. 面向对象的几个特性: class类: 一个类即对一类拥有相同属性的对象的抽象, ...
- python(8):面向对象编程
有三种程序类型: (1)面向过程:按照一定的逻辑顺序,一步步垒代码 (2)面向函数:对用常用的计算,建立函数避免重复 (3)面向对象: 函数的集合,对函数进行分类和封装 (一) 抽象 抽象: 哈巴狗, ...
- Python(面向对象编程—1)
class tst: l=[] x=1 a=tst() b=tst() a.l.append('a') b.l.append('b') a.x='a' b.x='b' print(a.l,a.x) # ...
随机推荐
- hdu 6086 -- Rikka with String(AC自动机 + 状压DP)
题目链接 Problem Description As we know, Rikka is poor at math. Yuta is worrying about this situation, s ...
- 课程三(Structuring Machine Learning Projects),第一周(ML strategy(1)) —— 0.Learning Goals
Learning Goals Understand why Machine Learning strategy is important Apply satisficing and optimizin ...
- 移动端 h5开发相关内容总结(三)
之前写过两篇开发中遇到的问题和解决方案.当时是CSS 和 JavaScript 分开写的.现在写这篇文章的时候感觉很多内容都是有内在联系的,所以不好分开. 给大家分享一下这半年来的感受吧: 知道和理解 ...
- mysql 开发进阶篇系列 37 工具篇 perror (错误代码查看工具)与总结
一. perror 错误代码查看工具 在mysql 的使用过程中,可能会出现各种各样的error.这些error有些是由于操作系统引起的,比如文件或者目录不存在等等,使用perror的作用就是解 ...
- 从零开始学 Web 之 DOM(四)节点
大家好,这里是「 Daotin的梦呓 」从零开始学 Web 系列教程.此文首发于「 Daotin的梦呓 」公众号,欢迎大家订阅关注.在这里我会从 Web 前端零基础开始,一步步学习 Web 相关的知识 ...
- Postgres绿色版本安装 windows
虽然PostgreSQL是为类UNIX平台开发的,但它却是可以移植的.从7.1版本开始,PostgreSQL可以编译安装和作为一个PostgreSQL服务器运行在Windows NT 4,2000,X ...
- iOS ipa包瘦身,iOS8及以下text段超60MB
前沿 很早之前写过一篇相关文章,不过博客主机上跑路了之后数据没了,凭着记忆补了下相关资料 ipa安装包瘦身 清理无用图片,图片压缩(PNG换WebP和JPG),处于某种不可抗拒的原因,导致有部分3X图 ...
- Eclipse Gradle 构建多模块项目
注意: 1.Eclipse不如IDEA智能,Eclipse建立的Gradle Project项目在目录级别上是同级的; 2.user-web模块如果要引用user-service模块,直接引用是找不到 ...
- 单例模式写MySQL model类,简单的增、删、改、查
单例模式的用途,可用于数据库操作 <?php Class Db { static private $whe;//条件 static private $tab;//表名 static privat ...
- [EOJ439] 强制在线
Description 见EOJ439 Solution 先考虑不强制在线怎么做. 按询问区间右端点排序,从左往右扫,维护所有后缀的答案. 如果扫到 \(a[i]\),那么让统计个数的 \(cnt[a ...