stringstream快速实现String和int之间的转换

2024-08-29 01:23:07

需要包含头文件”sstream”

 #include <iostream>

 #include <string>

 #include <sstream>

 using namespace std;

 int string2int(string str){

     int num;

     stringstream sstream;

     sstream << str;

     sstream >> num;

     return num;

 }

 string int2string(int num){

     string re;

     stringstream sstream;

     sstream << num;

     return sstream.str();

 }

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