wstring问题-原创手记-慕课网

mac版：

// main.m

// test

// Created by haidrgon on 2018/12/20.

#import <Foundation/Foundation.h>

#include<iostream>

#include <string>

#include <stdlib.h>

#import<cwchar>

#import<wchar.h>

using namespace std;

int main(int argc, const char * argv[]) {

@autoreleasepool {

// insert code here...

wchar_t* temp=L"abc123你我他";

wstring wstr = temp;

wprintf(L"%s\n", wstr.c_str());

// wcout.imbue(locale("chs"));

wcout<<wstr<<endl;

NSData *data = [NSData dataWithBytes:wstr.data() length:sizeof(wchar_t) * wstr.size()];

NSString *str = [[NSString alloc] initWithData:data encoding:NSUTF32LittleEndianStringEncoding];

NSLog(@"str %@", str);

NSLog(@"Hello, World!");

cout<<[str UTF8String]<<endl;

}

return 0;

}

wstring问题

linux版

#include<iostream>

#include<string>

#include<locale>

using namespace std;

int main()

{

wstring wstr=L"世界你好！";

locale loc("zh_CN.UTF-8");

locale::global(loc);

wcout<<wstr<<endl;

return 0;

}

wstring问题

win版：

printf("argv[1]%s\n", argv[1]);

int len = MultiByteToWideChar(CP_ACP, 0, argv[1], strlen(argv[1]), NULL, 0);

m_wchar = new wchar_t[len + 1];

char2wchar(argv[1], m_wchar);

setlocale(LC_ALL, "chs");//#include <locale.h>

wprintf(L"argv[1]%s\n", wstring(m_wchar).c_str());

wprintf(L"argv[1]%s\n",m_wchar);

printf("argv[1]%ws\n", m_wchar);

wstring问题