Character strings containing hexadecimal output

Disclaimer: This article is a blogger original article, shall not be reproduced without the bloggers allowed. https://blog.csdn.net/liangzhao_jay/article/details/86703101

Background: Due need to compare whether the kanji character string containing a UTF-8 encoding or other encoding, so this write procedure

Sample code:

#include<iostream>
#include<string>
#include<sstream>
#include<iomanip>

using namespace std;

int main()
{
    string temp("ab中国");
    cout<<"源字符串    : "<<temp<<endl;
    stringstream out;
    for(string::const_iterator it != temp.begin(); it != temp.end(); ++it)
    {
        out<<std::hex<<setw(3)<<(static_cast<short>(*it) & 0xff);
    }
    cout<<"16进制字符串:"<<out.str();
    return 0;
}