std::isgraph<div class="t-tr-text">（std :: locale的）<div class="t-tr-dropdown"><div><div><div class="t-tr-dropdown-arrow-border"></div><div class="t-tr-dropdown-arrow"></div><div class="t-tr-dropdown-h">Original:</div><div class="t-tr-dropdown-orig">(std::locale)</div><div class="t-tr-dropdown-notes">The text has been machine-translated via [http://translate.google.com Google Translate].<br/> You can help to correct and verify the translation. Click [http://en.cppreference.com/w/Cppreference:MachineTranslations here] for instructions.</div></div></div></div></div>

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C++
 
本地化库
语言环境方面
Original:
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
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C locale
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Defined in header <locale>
template< class charT >
bool isgraph( charT ch, const locale& loc );
由给定语言环境的std::ctype方面的检查，如果给定的字符，图形字符（即打印，不包括空格）.
Original:
Checks if the given character classified as a graphic character (i.e. printable, excluding space) by the given locale's std::ctype facet.
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目录

[编辑] 参数

ch -
字符
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character
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loc -
语言环境
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locale
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[编辑] 返回值

返回true如果字符被列为图形，false否则.
Original:
Returns true if the character is classified as graphic, false otherwise.
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[编辑] 可能的实现

template< class charT >
bool isgraph( charT ch, const std::locale& loc ) {
    return std::use_facet<std::ctype<charT>>(loc).is(std::ctype_base::graph, ch);
}

[编辑] 为例

演示使用的isgraph（）用不同的语言环境（OS特定的）.
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Demonstrates the use of isgraph() with different locales (OS-specific).
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#include <iostream>
#include <locale>
int main()
{
    const wchar_t c = L'\u2a0c'; // quadruple integral
 
    std::locale loc1("C");
    std::cout << "isgraph('⨌', C locale) returned "
               << std::boolalpha << std::isgraph(c, loc1) << '\n';
 
    std::locale loc2("en_US.UTF-8");
    std::cout << "isgraph('⨌', Unicode locale) returned "
              << std::boolalpha << std::isgraph(c, loc2) << '\n';
}

Output: 

isgraph('⨌', C locale) returned false
isgraph('⨌', Unicode locale) returned true

[编辑] 另请参阅
一个字符的检查，如果是一个图形字符
Original:
checks if a character is a graphical character
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（函数） [edit]
一个宽字符的检查，如果是一个图形字符
Original:
checks if a wide character is a graphical character
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（函数） [edit]
来自“http://zh.cppreference.com/mwiki/index.php?title=cpp/locale/isgraph&oldid=28256”