共用方式為

tolower

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將字元轉換為小寫。

template<Class CharType> 
   CharType tolower( 
      CharType _Ch,  
      const locale& _Loc 
   )

參數

  • _Ch
    要轉換的字元轉換為小寫。

  • _Loc
    包含字元的地區設定將轉換成。

傳回值

字元轉換成小寫。

備註

樣板函式會傳回 use_facet<ctype<CharType> >(_Loc)。tolower(_Ch)。

範例

// locale_tolower.cpp
// compile with: /EHsc
#include <locale>
#include <iostream>
using namespace std;

int main( )   
{
   locale loc ( "German_Germany" );
   char result1 = tolower ( 'H', loc );
   cout << "The lower case of 'H' in the locale is: "
        << result1 << "." << endl;
   char result2 = tolower ( 'h', loc );
   cout << "The lower case of 'h' in the locale is: "
        << result2 << "." << endl;
   char result3 = tolower ( '$', loc );
   cout << "The lower case of '$' in the locale is: "
        << result3 << "." << endl;
}

Output

The lower case of 'H' in the locale is: h.
The lower case of 'h' in the locale is: h.
The lower case of '$' in the locale is: $.

需求

標題: <地區設定>

命名空間: std