std::ostringstream oss;intnum =123;doublepi =3.14159; std::string name ="Alice";// 将整数、浮点数、字符串追加到ostringstream对象中oss <<"Number: "<< num <<", Pi: "<< pi <<", Name: "<< name;// 获取ostringstream对象中的字符串st
#include<iostream>#include<sstream>#include<string>intmain(){std::ostringstream oss;// 第一次使用 ostringstreamoss<<"Hello, "<<"world!";std::string result1=oss.str();std::cout<<"Result 1: "<<result1<<std::endl;// 清除 ostringstream 的内部状态oss.str("");oss.clear();// 第二次...
#include<iostream>#include<sstream>intmain(){std::ostringstream oss;oss<<"Hello, World!";// 向ostringstream写入数据std::cout<<oss.str()<<std::endl;// 输出缓冲区内容// 清空缓冲区oss.str("");std::cout<<oss.str()<<std::endl;// 输出清空后的缓冲区内容// 重置流状态oss.clear();std...
#include <iostream> #include <sstream> #include <string> int main() { std::ostringstream oss; oss << "Hello, " << "World!" << std::ends; // 注意 std::ends 用于添加空行 std::string str = oss.str(); // 使用 str() 方法获取构建好的字符串 std::cout << str << std::endl;...
#include<iostream>#include<sstream>#include<string>intmain(){intage =25;floatsalary =5000.0f;std::stringname ="John";// 使用 ostringstream 将数据转换为字符串std::ostringstreamoss; oss <<"Name: "<< name <<", Age: "<< age <<", Salary: "<< salary;std::stringmessage = oss.str();...
std::ostringstream oss; oss << "Some content"; std::cout << oss.str() << std::endl; // 输出: Some content // 清空内容并重置流状态 oss.clear(); oss.str(std::string()); std::cout << oss.str() << std::endl; // 输出: (空行) ...
std::ostringstream oss;intnum =42;doublepi =3.14159;// 向 ostringstream 中输出数据oss <<"The answer is: "<< num <<", and the value of pi is: "<< pi;// 获取 ostringstream 的内容(字符串)std::string result = oss.str();// 输出结果std::cout << result << std::endl;return0; ...
#include <iostream> #include <sstream> #include <stdexcept> void testFunction() { std::ostringstream oss; try { // 抛出一个异常 throw std::runtime_error("这是一个运行时错误"); } catch (const std::exception& e) { // 使用ostringstream捕获异常信息 oss << "捕获到异常: " << e.what...
#include<iostream>#include<sstream>intmain(){std::ostringstreamoss;intnum =10;doublepi =3.14159;std::stringstr ="Hello, world!"; oss <<"Number: "<< num <<", PI: "<< pi <<", String: "<< str;std::stringresult = oss.str();std::cout<< result <<std::endl;return0; ...
构造函数:std::ostringstream oss("initial string"); 成员函数:oss.str("initial string"); 使用<<操作符将需要拼接的内容插入到std::ostringstream对象中:oss << "additional content"; 使用成员函数str()获取最终拼接好的字符串:std::string result = oss.str(); ...