std::moneypunct

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C++
 
本地化库
语言环境方面
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Locales and facets
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locale
字符分类
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Character classification
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转换
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Conversions
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wstring_convert（C++11）
wbuffer_convert（C++11）
小面类的基类
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Facet category base classes
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小面类
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Facet categories
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特定于语言环境的方面
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Locale-specific facets
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代码转换方面
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Code conversion facets
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codecvt_utf8（C++11）
codecvt_utf16（C++11）
codecvt_utf8_utf16（C++11）
codecvt_mode（C++11）
C语言环境
Original:
C locale
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std::moneypunct
 
Defined in header <locale>
template< class CharT, bool International = false >
class moneypunct;
方面std::moneypunct封装货币值格式的喜好。流I / O操纵std::get_money和std::put_money使用std::moneypunct通过std::money_getstd::money_put解析货币值的输入和格式化货币值输出.
Original:
The facet std::moneypunct encapsulates monetary value format preferences. Stream I/O manipulators std::get_money and std::put_money use std::moneypunct through std::money_get and std::money_put for parsing monetary value input and formatting monetary value output.
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cpp/locale/money basecpp/locale/locale/facetstd-moneypunct-inheritance.svg
关于这幅图像

Inheritance diagram

四个专业所提供的标准库
Original:
Four specializations are provided by the standard library
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Defined in header <locale>
std::moneypunct<char>
提供等值的“C”语言环境的偏好
Original:
provides equivalents of the "C" locale preferences
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std::moneypunct<wchar_t>
提供宽字符当量的“C”语言环境的偏好
Original:
provides wide character equivalents of the "C" locale preferences
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std::moneypunct<char, true>
提供等值的“C”语言环境的喜好，与国际货币符号
Original:
provides equivalents of the "C" locale preferences, with international currency symbols
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std::moneypunct<wchar_t, true>
提供了宽字符当量的“C”语言环境的喜好，与国际货币符号
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provides wide character equivalents of the "C" locale preferences, with international currency symbols
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目录

[编辑] 会员类型

会员类型
Original:
Member type
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 Definition
char_type charT
string_type std::basic_string<charT>

[编辑] 成员函数
构造一个新moneypunct方面
Original:
constructs a new moneypunct facet
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（公共成员函数）
解构一个moneypunct方面
Original:
destructs a moneypunct facet
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（受保护的成员函数）
调用do_decimal_point
Original:
invokes do_decimal_point
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（公共成员函数）
调用do_thousands_sep
Original:
invokes do_thousands_sep
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（公共成员函数）
调用do_grouping
Original:
invokes do_grouping
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（公共成员函数）
调用do_curr_symbol
Original:
invokes do_curr_symbol
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（公共成员函数）
调用do_positive_sign
Original:
invokes do_positive_sign
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（公共成员函数）
调用do_negative_sign
Original:
invokes do_negative_sign
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（公共成员函数）
调用do_frac_digits
Original:
invokes do_frac_digits
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（公共成员函数）
调用do_pos_format
Original:
invokes do_pos_format
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（公共成员函数）
调用do_neg_format
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invokes do_neg_format
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（公共成员函数）

[编辑] 受保护的成员函数

[虚拟的] </ SPAN></div></div>
提供要使用的字符作为小数点
Original:
provides the character to use as decimal point
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（虚拟保护成员函数）
[虚拟的] </ SPAN></div></div>
使用千位分隔符的字符
Original:
provides the character to use as thousands separator
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（虚拟保护成员函数）
[虚拟的] </ SPAN></div></div>
千位分隔符每一对之间提供的数字的位数
Original:
provides the numbers of digits between each pair of thousands separators
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（虚拟保护成员函数）
[虚拟的] </ SPAN></div></div>
提供的字符串使用的货币标识符
Original:
provides the string to use as the currency identifier
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（虚拟保护成员函数）
[虚拟的] </ SPAN></div></div>
提供的字符串，以指示一个正值
Original:
provides the string to indicate a positive value
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（虚拟保护成员函数）
[虚拟的] </ SPAN></div></div>
提供的字符串来表示一个负值
Original:
provides the string to indicate a negative value
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（虚拟保护成员函数）
[虚拟的] </ SPAN></div></div>
提供显示小数点后的数字位数
Original:
provides the number of digits to display after the decimal point
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（虚拟保护成员函数）
[虚拟的] </ SPAN></div></div>
提供的格式模式为正值
Original:
provides the formatting pattern for positive values
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（虚拟保护成员函数）
[虚拟的] </ SPAN></div></div>
提供的格式模式为负值
Original:
provides the formatting pattern for negative values
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（虚拟保护成员函数）

[编辑] 会员常数

会员
Original:
Member
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 Definition
const bool intl （静态的） International

[编辑] 会员对象

static std::locale::id id
“ID”的语言环境
Original:
id of the locale
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（公共成员对象）

Inherited from std::money_base

会员类型
Original:
Member type
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 Definition
enum part { none, space, symbol, sign, value };
无作用域的枚举类型
Original:
unscoped enumeration type
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struct pattern { char field[4]; };
货币格式类型
Original:
the monetary format type
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枚举常量
Original:
Enumeration constant
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 Definition
none
空格被允许的，但不是必需的，除了在最后一个位置，空白是不被允许的
Original:
whitespace is permitted but not required except in the last position, where whitespace is not permitted
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space
一个或多个空格字符是必需的
Original:
one or more whitespace characters are required
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symbol
返回由moneypunct :: curr_symbol的字符的序列是必需的
Original:
the sequence of characters returned by moneypunct::curr_symbol is required
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sign
第一由moneypunct :: positive_sign或moneypunct返回的字符:: negative_sign是必需的
Original:
the first of the characters returned by moneypunct::positive_sign or moneypunct::negative_sign is required
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value
绝对数字货币的价值是必需的
Original:
the absolute numeric monetary value is required
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[编辑] 为例

#include <iostream>
#include <locale>
int main()
{
    std::locale jp("ja_JP.UTF-8");
    std::cout << "japanese currency symbol is "
              << std::use_facet<std::moneypunct<char, true>>(jp).curr_symbol()
              << "or "
              << std::use_facet<std::moneypunct<char>>(jp).curr_symbol()
              << " for short\n";
}

Output: 

japanese currency symbol is JPY or ￥ for short

[编辑] 另请参阅
定义货币的格式化模式
Original:
defines monetary formatting patterns
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（类） [edit]
代表系统提供std::moneypunct命名的语言环境
Original:
represents the system-supplied std::moneypunct for the named locale
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（类模板） [edit]
解析和构造的货币价值，从一个输入字符序列
Original:
parses and constructs a monetary value from an input character sequence
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（类模板） [edit]
输出一个字符序列格式的货币价值
Original:
formats a monetary value for output as a character sequence
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（类模板） [edit]

来自“http://zh.cppreference.com/mwiki/index.php?title=cpp/locale/moneypunct&oldid=28000”