c++ 空文本（txt）读取出来是什么值
//文件尺寸0字节 #include <sys/stat。h> long get_filesize(char *filename) { struct stat f_stat; if (stat(filename, &f_stat) == -1) { return -1; } return (long)f_ _size; } #include<iostream> int main() { if(get_filesize("data。 txt")==0) { std::cout<<"data。txt is empt...全部
//文件尺寸0字节 #include <sys/stat。h> long get_filesize(char *filename) { struct stat f_stat; if (stat(filename, &f_stat) == -1) { return -1; } return (long)f_ _size; } #include<iostream> int main() { if(get_filesize("data。
txt")==0) { std::cout<<"data。txt is empty!"; }else if(get_filesize("data。txt")>0) { std::cout<<"data。
txt is not empty!"; } return 0; }。收起
