---29*** 重复使用同一个ostringstream对象时,建议:30*** 1:调用clear()清除当前错误控制状态,其原型为 void clear (iostate state=goodbit);31*** 2:调用str("")将缓冲区清零,清除脏数据32---*/33ostr2.clear();34ostr2.str("");3536cout << ostr2.str() <<endl;37ostr2.str("_def");38...
调用clear()清除当前错误控制状态,其原型为 void clear (iostate state=goodbit); *** 2:调用str("")将缓冲区清零,清除脏数据 ---*/ ostr2.clear(); ostr2.str(""); cout << ostr2.str() << endl; ostr2.str("_def"); cout << ostr2.str() << endl; ostr2 << "gggghh"; // 覆盖...
clear 修改状态标志 (std::basic_ios<CharT,Traits>的公开成员函数) 格式化 copyfmt 复制格式化信息 (std::basic_ios<CharT,Traits>的公开成员函数) fill 管理填充字符 (std::basic_ios<CharT,Traits>的公开成员函数) 杂项 exceptions 管理异常掩码 (std::basic_ios<CharT,Traits>的公开成员函数) ...
clear 修改状态标志 (std::basic_ios<CharT,Traits> 的公开成员函数) 格式化 copyfmt 复制格式化信息 (std::basic_ios<CharT,Traits> 的公开成员函数) fill 管理填充字符 (std::basic_ios<CharT,Traits> 的公开成员函数) 杂项 exceptions 管理异常掩码 (std::basic_ios<CharT,Traits> 的公开成员函...
*** 1:调用clear()清除当前错误控制状态,其原型为 void clear (iostate state=goodbit); *** 2:调用str("")将缓冲区清零,清除脏数据 ---*/ ostr2.clear(); ostr2.str(""); cout << ostr2.str() << endl; ostr2.str("_def"); cout << ostr2...
clear() will not affect the capacity of the string so if you do something like std::string str; str.reserve(100 ); str.clear(); you will still be able to put 100 characters into the string before it needs to reallocate. Of course, if msgHeader is declared in the function that gets...
---29*** 重复使用同一个ostringstream对象时,建议:30*** 1:调用clear()清除当前错误控制状态,其原型为 void clear (iostate state=goodbit);31*** 2:调用str("")将缓冲区清零,清除脏数据32---*/33ostr2.clear();34ostr2.str("");3536cout << ostr2.str() <<endl;37ostr2.str("_def");38...
流类型clear()的坑! 2019-12-25 15:50 −PS:c++ clear()在流中时标识清空所有标记! 而不是像在string中时清空字符串. 在STL容器里clear方法的含义均为清空容器,但在STL的所有流中clear的含义均为清空错误标记! 那么问题来了。。。如何清除呢? oss.str(... ...
clear modifies state flags (public member function ofstd::basic_ios<CharT,Traits>) Formatting copyfmt copies formatting information (public member function ofstd::basic_ios<CharT,Traits>) fill manages the fill character (public member function ofstd::basic_ios<CharT,Traits>) ...
clear cancella flag di errore e eof Original: clears error and eof flags The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (metodo pubblico) [modifica] Formattazione Original: Formatting The text has...