//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) ){ cout << "Read from file: " << s << endl;...
ReadDataFromFileLBLIntoCharArray();//逐词读入字符数组 OutPutAnEmptyLine();//输出空行 ReadDataFromFileLBLIntoString();//逐词读入字符串 OutPutAnEmptyLine();//输出空行 ReadDataWithErrChecking();//带检测的读取 return0; } 输出结果为: Read from file: Fry: Read from file: One Read from file:...
我在使用std::ifstream读取文件时遇到了一个问题。:filesystem::file_size("nice_folder.zip"); std::ifstreamto_read); std::cout << "read: " << std::to_string(to_read) << &q 浏览31提问于2020-10-31得票数0 回答已采纳 3回答
//If you want to avoid reading into character arrays, //you can use the C++ string getline() function to read lines into strings voidReadDataFromFileLBLIntoString() { ifstream fin("data.txt"); strings; while( getline(fin,s) ) { cout<<"Read from file:"<<s<<endl; } } //带错误...
t.read(buffer, length); // read the whole file into the buffer t.close(); // close file handle // ... do stuff with buffer here ... 2. 读取至std::string的情况 第一种方法: [cpp] view plaincopy #include <string> #include <fstream> #include <streambuf> std::ifstream ...
cout<<"Read from file:"<<str<<endl; } } //读取方式: 逐行读取, 将行读入字符串, 行之间用回车换行区分 //If you want to avoid reading into character arrays, //you can use the C++ string getline() function to read lines into strings ...
cout << "Read from file: " << str << endl; } } //读取方式: 逐行读取, 将行读入字符串, 行之间用回车换行区分 //If you want to avoid reading into character arrays, //you can use the C++ string getline() function to read lines into strings ...
t.read(buffer, length); // read the whole file into the buffer t.close(); // close file handle // ... do stuff with buffer here ...1. 读取⾄std::string的情况：第⼀种⽅法：#include <string> #include <fstream> #include <streambuf> std::ifstream t("file.txt");std:...
names需要分配。 您可以使用以下内容：char *names = new char[ numStringBytes ]; input.read((char*)names, numStringBytes); ... delete[] names; // don't forget to dealocate或者，更好的是，使用 std::vector：std::vector<char> names( numStringBytes, 0 ); // construct a big enough ...
void open(const string& s, ios_base::openmode mode = ios_base::in); To know if a file is successfully opened, use the member function syntax: bool is_open() const; The ifstream object has to be closed after use. To read the characters one-by-one, use in a while-loop, the memb...