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ostringstream istringstream实现string和int互转

发布时间 2023-12-30 22:16:11作者: 奔付山河

int转string

#include <sstream>

int num = 100;
std::ostringstream ss;
ss << num;
cout << ss.str();

string转int

#include <sstream>

int num;
string str = "100";
std::istringstream ss(str);
ss >> num;
cout << num;