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我需要創建很多不同的文件,我想他們的名字是這樣的:要創建許多不同的文件,但名稱不同
"signal1.dat", "signal2.dat", "signal3.dat", ... , "signal100.dat"
這是我迄今爲止
std::stringstream ss;
std::string out = "signal";
std::string format = ".dat";
std::string finalName;
int TrkNxtSig = 1;
...
[code]
...
ss << out << TrkNxtSig << format;
finalName = ss.str();
ofstream output(finalName);
TrkNxtSig++;
我得到這個錯誤
error: no matching function for call to ‘std::basic_ofstream<char, std::char_traits<char> >::basic_ofstream(std::string&)’
/usr/include/c++/4.4/fstream:623: note: candidates are: std::basic_ofstream<_CharT, _Traits>::basic_ofstream(const char*, std::_Ios_Openmode) [with _CharT = char, _Traits = std::char_traits<char>]
/usr/include/c++/4.4/fstream:608: note: std::basic_ofstream<_CharT, _Traits>::basic_ofstream() [with _CharT = char, _Traits = std::char_traits<char>]
/usr/include/c++/4.4/iosfwd:84: note: std::basic_ofstream<char, std::char_traits<char> >::basic_ofstream(const std::basic_ofstream<char, std::char_traits<char> >&)
我不知道那是什麼錯誤消息告訴我。哪裏不對?
可能的重複[爲什麼不std :: fstream類需要std :: string?](http://stackoverflow.com/questions/32332/why-dont-the-stdfstream-classes-take- a-stdstring) – 2012-07-09 15:47:01
順便說一句,如果你升級你的編譯器,它應該開始工作。 – 2012-07-09 15:48:21
標籤存在,因此您不需要在標題中提供它們(即從標題中刪除'[C++]')。實際標記功能更強大,因爲它們允許索引和搜索 – 2012-07-09 15:56:50