ifstream inputfile("filename); string tmpstr; vector<string> log_vector; while(inputfile >> tmpstr) { log_vector.push_back(tmpstr); } 要么是 ifstream inputfile("filename); istream_iterator input_begin(inputfile); istream_iterator input_end(); vector<string> log_vector(input_begin,input...
ifstream inputfile("filename); string tmpstr; vector<string> log_vector; while(inputfile >> tmpstr) { log_vector.push_back(tmpstr); } 要么是 ifstream inputfile("filename); istream_iterator input_begin(inputfile); istream_iterator input_end(); vector<string> log_vector(input_begin,input...
std::ifstream input; input.open( filename.c_str(), std::ifstream::in ); if( input.rdstate() & std::ios::failbit )if语句那一行怎么理解?解答:1:iostate rdstate ( ) const; 返回的是iostate,简单的说也就是一个int数值.用2进制数据的某一个位置设置为1表示一种状态2:failbit 的定义如下,二...
其中的: std::ifstream input; input.open( filename.c_str(), std::ifstream::in ); if( input.rdstate() & std::ios::failbit ) 1. 2. 3. if语句那一行怎么理解? 解答: 1:iostate rdstate ( ) const; 返回的是iostate,简单的说也就是一个int数值.用2进制数据的某一个位置设置为1表示一种状...
请不要与标题混淆,因为它已经有人问过了,但是的上下文不一样Visual C++编译器(VS2008)中的以下代码不会编译,而是引发此异常:std::ifstream input (fileName); while (input) { string s; input >> s; std::cout << s << std::endl;};但是这段代码在cygwin g++中编
...在 C++ 中的调用示例如下: #include #include torch/torch.h> std::vector get_the_bytes(std::string...filename) { std::ifstream input(filename, std::ios::binary); std::vector bytes(...(); return bytes; } int main() { std::vector f = get_the_bytes("my_...
btw here's my current code for loading the file: std::ifstream in("filename"); nlohmann::json j; if (in.is_open()) in >> j; try { Public::files = j.get>(); } catch (const std::exception & e) { std::cout << e.what() << std::endl; } but I need to test later...
filename要打开文件的文件名 mode打开文件的方式 3.ifstream:: is_open 1boolis_open()const; 文件流对象与文件绑定,返回 true ,否则 false 。 4.ifstream:: close 1voidclose();//关闭文件流 5.ifstream:: rdbuf 1filebuf* rdbuf()const; 返回一个filebuf对象指针,(The pointer to the internal filebuf...
(&d), sizeof d);// binary outputostrm<<123<<"abc"<<'\n';// text output}// read backstd::ifstreamistrm(filename, std::ios::binary);doubled;istrm.read(reinterpret_cast<char*>(&d), sizeof d);intn;std::strings;istrm>>n>>s;std::cout<<" read back: "<<d<<' '<<n<<...
{ std::ifstream inFile; inFile.open("inFileName"); //open the input file std::stringstream strStream; strStream << inFile.rdbuf(); //read the file std::string str = strStream.str(); //str holds the content of the file std::cout << str << std::endl; //you can do anything ...