";std::getline(std::cin,name);std::cout<<"Hello "<<name<<", nice to meet you.\n";// read file line by linestd::istringstream input;input.str("1\n2\n3\n4\n5\n6\n7\n");int sum=0;for(std::string line;std::getline(input,line);){sum+=std::stoi(line);}std::cout<<"\n...
std::getline(std::cin, name); std::cout<<"Hello"<< name <<", nice to meet you.\n";//read file line by linestd::istringstream input; input.str("1\n2\n3\n4\n5\n6\n7\n");intsum =0;for(std::stringline; std::getline(input, line); ) { sum+=std::stoi(line); } std::...
std::ifstream file("data.txt"); std::string line; while (std::getline(file, line)) { lines.push_back(line); } 1. 2. 3. 4. 5. 6. 7.2 动态数组处理 std::vector可以用作动态数组,处理不定数量的数据。例如,在图形程序中存储顶点信息: std::vector<Point> vertices; vertices.push_back({...
std::ios::in|std::ios::out);// 打开文件用于读写if(file){std::stringline;std::stringsearch...
{//Ignore the first line in the file.std::getline( iFile, input,'\n');//While it's not the end of file, grab data.while( iFile.good() ) {//Get data from file. Up until the [tab] ( Character )std::getline( iFile, input,'\t');//Save the character.c.push_back( input )...
std::string line; while (std::getline(file, line)) { std::cout << line << std:...
11std::stringline; 12dataset_sequence_type result; 13std::getline(data_file, line);// skip the title 14while(std::getline(data_file, line)) { 15autotokens = line 16|std::views::split(delimiter) 17|std::views::transform([](auto&& token) { ...
vs低版本转高版本，std::getline报错，如下 提示 error C2027: 使用了未定义类型“std::basic_i...
ifstreamfileStream(filePath,ios::in); stringline=""; while(!fileStream.eof()) { getline(fileStream,line); if(line.compare(0,2,"v ")==0)//注意v后面有空格 { std::stringstreamss(line.erase(0,1)); ss>>x>>y>>z; //ss >> x; ss >> y; ss >> z; ...
string fn = "d:\testfile.txt"; ifstream ifs(fn.c_str()); string line; std::getline(ifs,line); while(!line.empty()){ //output current line just read cout << "pos # " << ifs.tellg() << " after reading :" << line << endl; ...