C++使用std::string

原文

#include 
#include 
#include 
using namespace std;
std::vector Split(std::string_view sv, char ch)
{
    std::vector points;
    size_t point = 0;
    for (size_t i = 0; i < sv.length(); i++)
    {
        if (sv[i] == ch)
        {
            points.emplace_back(std::string_view(&sv[point], i - point));
            point = i + 1;
        }
    }
    points.emplace_back(std::string_view(&sv[point], sv.length() - point));
    return points;
}
int main()
{
    string t = "-111,222-,333-444,-";
    for (auto &&i : Split(t, ','))
    {
        for (auto &&j : Split(i, '-'))
        {
            std::cout << atoi(string(j).c_str()) << std::endl;
        }
    }

    return 0;
}