4a-c++ primer宽字符wchar_t显示设置与输出代码示例

#include <iostream>
#include <windows.h>
#include <locale>
//#include<wchar.h>
//#include <stdlib.h>
int main()
{
short sh;
unsigned short sh1;
sh = ;
sh1 = ;
std::cout << "short类型的sh的值是： " << sh << std::endl;
std::cout << "unsigned short类型的sh1的值是： " << sh1 << std::endl;
//100000大于65535的存储范围，溢出了。所以100000%65536=34464
std::cout << "ungined没有short的size是： " << sizeof(signed) << "为" << sizeof(signed) * << "位" << std::endl;
std::cout << "int的size是： " << sizeof(int) << "为" << sizeof(int) * << "位" << std::endl;
std::cout << "char的size是： " << sizeof(char) << "为" << sizeof(char) * << "位" << std::endl;
std::cout << "wchar_t的size是： " << sizeof(wchar_t) << "为" << sizeof(wchar_t) * << "位" << std::endl;
std::cout << "bool的size是： " << sizeof(bool) << "为" << sizeof(bool) * << "位" << std::endl;
std::cout << "float的size是： " << sizeof(float) << "为" << sizeof(float) * << "位" << std::endl;
std::cout << "double的size是： " << sizeof(double) << "为" << sizeof(double) * << "位" << std::endl;
std::cout << "long的size是： " << sizeof(long) << "为" << sizeof(long) * << "位" << std::endl;
printf("test it\n");
printf("测试\n");
char a[] = "大家好吗";
printf("%s\n",a);
wchar_t bb1= L'好';
wchar_t bb2[] = L"需要多测试";
//locale loc("chs");//windows下ok
//setlocale(LC_ALL, "chs");
//std::wcout.imbue(std::loc);
//std::wcout << bb1 << std::endl;
printf("%c\n",'x');
setlocale(LC_ALL, "chs");//需要设置语言，宽字符才会显示
wprintf(L"%lc\n",L'显');
wprintf(L"%lc\n", bb1);
wprintf(L"%ls\n", bb2);
wprintf(L"%lc\n", bb2[]);
wprintf(L"%lc\n", bb2[]);
//printf("%lc",bb);
//Sleep(500000);
//short 16位 有一个符号位：所以是-2的15次方（-32768）~+32767。
//unsigned short 16位 无符号0-65535
//unsigned 32位
//int 32位
//char 8位
//wchar_t 16位
//bool 8位
//float 32
//double 64
getchar();
return ;
}