moneypunct::frac_digits

返回数字的数目的计数与区域设置特定的任何小数点右侧显示。

int frac_digits( ) const;

返回值

数字的数目的计数"显示区域设置特定的任何在小数点右侧。

备注

成员函数返回。do_frac_digits

示例

// moneypunct_frac_digits.cpp
// compile with: /EHsc
#include <locale>
#include <iostream>
#include <sstream>
using namespace std;
int main( )
{
   locale loc( "german_germany" );

   const moneypunct <char, true> &mpunct = 
       use_facet <moneypunct <char, true> >(loc);
   for (unsigned int i = 0; i <mpunct.grouping( ).length( ); i++ )
   {
      cout << loc.name( ) << " international grouping:\n the "
           << i <<"th group to the left of the radix character "
           << "is of size " << (int)(mpunct.grouping ( )[i]) 
           << endl;
   }
   cout << loc.name( ) << " international frac_digits\n to the right"
        << " of the radix character: "
        << mpunct.frac_digits ( ) << endl << endl;

   const moneypunct <char, false> &mpunct2 = 
       use_facet <moneypunct <char, false> >(loc);
   for (unsigned int i = 0; i <mpunct2.grouping( ).length( ); i++ )
   {
      cout << loc.name( ) << " domestic grouping:\n the "
           << i <<"th group to the left of the radix character "
           << "is of size " << (int)(mpunct2.grouping ( )[i]) 
           << endl;
   }
   cout << loc.name( ) << " domestic frac_digits\n to the right"
        << " of the radix character: "
        << mpunct2.frac_digits ( ) << endl << endl;
}

要求

页眉： <区域设置>

命名空间: std

请参见

参考

moneypunct 类