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      1. 从路径中获取文件名

        Get a file name from a path(从路径中获取文件名)

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                • 本文介绍了从路径中获取文件名的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着跟版网的小编来一起学习吧!

                  问题描述

                  从路径中获取文件名的最简单方法是什么?

                  What is the simplest way to get the file name that from a path?

                  string filename = "C:\MyDirectory\MyFile.bat"
                  

                  在这个例子中,我应该得到MyFile".无需扩展.

                  In this example, I should get "MyFile". without extension.

                  推荐答案

                  _splitpath 应该做你需要的.您当然可以手动完成,但 _splitpath 也可以处理所有特殊情况.

                  _splitpath should do what you need. You could of course do it manually but _splitpath handles all special cases as well.

                  正如 BillHoag 提到的,建议使用更安全的 _splitpath 版本,称为 _splitpath_s 可用时.

                  As BillHoag mentioned it is recommended to use the more safe version of _splitpath called _splitpath_s when available.

                  或者如果你想要一些便携的东西,你可以做这样的事情

                  Or if you want something portable you could just do something like this

                  std::vector<std::string> splitpath(
                    const std::string& str
                    , const std::set<char> delimiters)
                  {
                    std::vector<std::string> result;
                  
                    char const* pch = str.c_str();
                    char const* start = pch;
                    for(; *pch; ++pch)
                    {
                      if (delimiters.find(*pch) != delimiters.end())
                      {
                        if (start != pch)
                        {
                          std::string str(start, pch);
                          result.push_back(str);
                        }
                        else
                        {
                          result.push_back("");
                        }
                        start = pch + 1;
                      }
                    }
                    result.push_back(start);
                  
                    return result;
                  }
                  
                  ...
                  std::set<char> delims{'\'};
                  
                  std::vector<std::string> path = splitpath("C:\MyDirectory\MyFile.bat", delims);
                  cout << path.back() << endl;
                  

                  这篇关于从路径中获取文件名的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持跟版网!

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