cppreference.com 创建账户 页面 讨论 变换 查看 编辑 历史 std::basic_ifstream 在标头<fstream>定义 template< classCharT, classTraits=std::char_traits<CharT> >classbasic_ifstream:publicstd::basic_istream<CharT, Traits> 类模板basic_ifstream实现文件流上的高层输入操作。它将std::basic_istream的高层接口...
(&d), sizeof d);// 二进制输出ostrm<<123<<"abc"<<'\n';// 文本输出}// 回读std::ifstreamistrm(filename, std::ios::binary);doubled;istrm.read(reinterpret_cast<char*>(&d), sizeof d);intn;std::strings;istrm>>n>>s;std::cout<<"回读:"<<d<<" "<<n<<" "<<s<<'\n...
根据https://en.cppreference.com/w/cpp/string/basic_string/getline:从输入中提取字符并将它们附加到 str 直到发生以下情况之一(按列出的顺序检查) 输入的文件结束条件,在这种情况下,getline 设置 eofbit。 下一个可用的输入字符是 delim,由 Traits::eq(c, delim) 测试,在这种情况下,分隔符从输入中提取,但不...
basic_ifstream basic_ofstream basic_fstream String I/O basic_istringstream basic_ostringstream basic_stringstream Array I/O basic_ispanstream (C++23) basic_ospanstream (C++23) basic_spanstream (C++23) istrstream (deprecated in C++98) ostrstream (deprecated in C++98) strstream (deprecated in C++98...
basic_ifstream basic_ofstream basic_fstream String I/O basic_istringstream basic_ostringstream basic_stringstream Array I/O basic_ispanstream (C++23) basic_ospanstream (C++23) basic_spanstream (C++23) istrstream (C++98/26*) ostrstream (C++98/26*) strstream (C++98/26*) Synchronized Output basic...
classTraits=std::char_traits<CharT> >classbasic_istream:virtualpublicstd::basic_ios<CharT, Traits> The class templatebasic_istreamprovides support for high level input operations on character streams. The supported operations include formatted input (e.g. integer values or whitespace-separated charact...
C++ (Cpp) ifstream::gcount - 19 examples found. These are the top rated real world C++ (Cpp) examples of std::ifstream::gcount extracted from open source projects. You can rate examples to help us improve the quality of examples. Frequently...
我正在Windows 10上编写C++ 14,下面是完整的代码。 std::cout << "Filename: " << filename << endl; try { std:ifstream in(filename); if (in.rdbuf() == nullptr) cout << "FAILED!!!" << end 浏览1提问于2016-08-03得票数 1 回答已采纳 ...
voidLevel::load_file_fail(std::ifstream&file,std::strings){ debug(s); file.close(); } 开发者ID:yugiohatemu,项目名称:ForScience,代码行数:4,代码来源:level.cpp 示例2: processNextRecord ▲点赞 7▼ intESMReaderAll::processNextRecord(std::ifstream& in_File) ...
basic_ifstream( const basic_ifstream& rhs) = delete; (7) (since C++11) 构造新的文件流。 1%29默认构造函数:构造与文件无关的流:默认构造std::basic_filebuf并使用指向此默认构造的指针构造基。std::basic_filebuf会员。 2-3%29首先执行与默认构造函数相同的步骤,然后通过调用将流与文件关联。rdbuf()->...