二、使用介绍 1、导入模块 import xlrd 2、打开Excel文件读取数据 data = xlrd.open_...
#include <fstream> #include <string> #include <codecvt> int main() { std::wstring_convert<std::codecvt_utf8<wchar_t>> converter; std::wstring filePath = L"中文路径文件.txt"; std::string utf8FilePath = converter.to_bytes(filePath); std::ifstream file(utf8FilePath); if (file.is_o...
string line; if (file.is_open()) { // 检查文件是否成功打开 while (getline(file, line)) { // 逐行读取文件内容 std::cout << line << std::endl; // 输出读取到的内容 } file.close(); // 关闭文件 } else { std::cout << "Failed to open the file." << std::endl; } return ...
ofstreamoutFile; std::stringfileName=to_string(i)+".txt"; outFile.open(fileName,std::ios::out); doubletemp=0.0; outFile<<std::to_string(temp)<<" " <<std::to_string(temp)<<" " <<std::to_string(temp)<<"\n"; outFile.close(); } return0; } 1. 2. 3. 4. 5. 6. 7. 8...
#include <iostream> #include <fstream> #include <string> int main() { // 创建ifstream对象并打开文件 std::ifstream inputFile("example.txt"); // 检查文件是否成功打开 if (!inputFile.is_open()) { std::cerr << "Failed to open the file." << std:...
//you can use the C++ string getline() function to read lines into strings void ReadDataFromFileLBLIntoString(){ ifstream fin("data.txt");string s;while( getline(fin,s) ){ cout << "Read from file: " << s << endl;} } //带错误检测的读取方式 //Simply evaluating an I...
ifstreamgetline(ifstream is,string s) 从ifstream 的一个实例中读取一行到字符串 s. 用法2:调用 ifstream 流对象的 getline() 方法 代码语言:javascript 代码运行次数:0 运行 AI代码解释 ifstreamgetline(char*s,size_t n); 从ifstream 中读取数据,最多读取 n ,然后返回流本身。
#include<fstream>#include<iostream>#include<string>intmain(){std::ifstreamfile("example.txt");// 打开文件if(!file.is_open()) {// 检查文件是否成功打开std::cerr<<"Failed to open file"<<std::endl;return1; }std::stringline;while(std::getline(file, line)) {// 逐行读取文件std::cout<...
//If you want to avoid reading into character arrays, //you can use the C++ string getline() function to read lines into strings void ReadDataFromFileLBLIntoString() { ifstream fin("data.txt"); string s; while( getline(fin,s) ) ...
you can use the C++ string getline() function to read lines into strings void ReadDataFromFileLBLIntoString() { ifstream fin( " data.txt " ); string s; while ( getline(fin,s) ) { cout << " Read from file: " << s << endl; } } ...