C++编译出错时，出错信息好难看懂啊。error: no matching function for call to 'std::basic_ofstream<
error: no matching function for call to 'std::basic_ofstream<char, std::char_traits<char> >::basic_ofstream(std::basic_string<char, std::char_traits<char>, std::allocator<char> >)'

ofstream out((fileName + "_33dd"));
下面这样改就正确了，但我看不懂那编译错误信息在讲什么
ofstream out((fileName + "_33dd").c_str());

[解决办法]

C/C++ code

http://www.cplusplus.com/reference/iostream/ofstream/ofstream/
[解决办法]
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