一、打开文件 可以使用fopen()函数来创建一个新的文件或者打开一个已经存在的文件,这个调用会初始化FILE的一个对象,类型FILE包含了所有用来控制流的必要信息。 FILE *fopen( const char *filename, const char *mode ); 在这里,filename 是字符串,用来命名文件,访问模式 mode 的值可以是下列值中的一个: 如果...
std::filesystem::file_type C++ Filesystem library Defined in header<filesystem> enumclassfile_type{ none=/* unspecified */, not_found=/* unspecified */, regular=/* unspecified */, directory=/* unspecified */, symlink=/* unspecified */, ...
(201703L, __cpp_lib_filesystem) COMPILER_FEATURE_ENTRY(201606L, __cpp_lib_gcd_lcm) COMPILER_FEATURE_ENTRY(201703L, __cpp_lib_hardware_interference_size) COMPILER_FEATURE_ENTRY(201606L, __cpp_lib_has_unique_object_representations) COMPILER_FEATURE_ENTRY(201603L, __cpp_lib_hypot) COMPILER...
file_status::type file_status::permissions Non-member functions operator== (C++20) std::filesystem::file_typetype()constnoexcept; (1)(since C++17) voidtype(std::filesystem::file_typetype)noexcept; (2)(since C++17) Accesses the file type information. ...
Assertions−System error(C++11) Exception types−Error numbers basic_stacktrace(C++23) Debugging support(C++26) Memory management library Allocators−Smart pointers Memory resources(C++17) Metaprogramming library(C++11) Type traits−ratio
在命名空间std::filesystem定义 path (C++17) 表示路径 (类) filesystem_error (C++17) 文件系统错误时抛出的异常 (类) directory_entry (C++17) 目录条目 (类) directory_iterator (C++17) 指向目录内容的迭代器 (类) recursive_directory_iterator ...
// locateFile std::string locateFile( const std::string& path ) { std::vector<std::string> locations; return locateFile(path, locations); } // locateFile std::string locateFile( const std::string& path, std::vector<std::string>& locations ) { // check the given path...
Once a file handle has been obtained, it can be used to query basic information about the file system object is points to. FileHandle file = fs::open("data/readme.txt");//Check typeif(file.isFile()) std::cout <<"file"<< std::endl;elseif(file.isDirectory()) std::cout <<"dir...
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Learn more about the Microsoft.VisualStudio.Extensibility.ImageMoniker.KnownValues.CPPFile in the Microsoft.VisualStudio.Extensibility namespace.