从www.CppReference.com打包的C++参考手册

																				  				  "HTML Tidy for Linux/x86 (vers 1 September 2005), see www.w3.org">								  good				  																				  				  				  								  				    cppreference.com > 				    "index.html">C++ I/O > good				  								  				    good				  								  				    Syntax:				  				  				  #include <fstream>				  bool good();												  The function good() returns true if no errors have occurred with				  the current stream, false otherwise.								  				    Related topics:				  								  				    bad				    clear				    eof				    fail				    rdstate