_CString_use_method.rar_CString排序_字符串资源-CSDN下载

共21个文件

h：4个

txt：4个

cpp：3个

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135 浏览量 2022-09-19 13:05:03 上传评论收藏 28KB RAR 举报

在C++编程中，`CString`是一个非常实用的类，它是MFC（Microsoft Foundation Classes）库中的一个核心组件，主要用于处理字符串操作。本压缩包文件 "_CString_use_method.rar_CString排序_字符串" 提供了一些关于`CString`类的示例代码，主要关注两个功能：字符串排序和文件输出。下面我们将详细探讨这两个知识点。 `CString`提供了丰富的成员函数，使得字符串的操作变得简单而高效。在处理字符串排序时，`CString`类并未直接提供内置的排序功能，因为字符串本质上是字符数组，可以借助C++标准库中的`std::sort`函数来实现。`std::sort`需要一个比较函数作为参数，我们可以自定义这个比较函数，比较`CString`对象的内部字符序列。例如，可以创建一个如下的比较函数： ```cpp bool compareCStrings(const CString& str1, const CString& str2) { return str1.CompareNoCase(str2) < 0; // 使用不区分大小写的比较 } ``` 然后，调用`std::sort`函数进行排序： ```cpp std::vector<CString> strings; // 填充strings vector std::sort(strings.begin(), strings.end(), compareCStrings); ``` 接着，我们来看文件输出部分。`CString`提供了`WriteFile`方法，可以方便地将字符串写入文件。这个方法需要一个`CFile`对象，`CFile`是MFC中用于文件操作的类。我们需要打开一个文件： ```cpp CFile file; if (!file.Open("output.txt", CFile::modeCreate | CFile::modeWrite)) { // 错误处理，无法打开文件 } ``` 然后，使用`WriteFile`方法写入`CString`： ```cpp CString content = "这是要写入的内容"; ULONGLONG bytesWritten; file.Write(content, content.GetLength(), &bytesWritten); ``` 不要忘记关闭文件： ```cpp file.Close(); ``` 压缩包中的`.cpp`和`.h`文件很可能是实现这些功能的源代码，例如`CString类考核.cpp`和`CString类考核Dlg.cpp`可能包含了主程序的逻辑，`CString类考核Dlg.h`和`CString类考核.h`可能定义了对话框类和其他相关类，而`.aps`、`.clw`、`.dsp`、`.dsw`文件是MFC项目文件，用于Visual Studio的工程管理。通过学习和实践这些示例，开发者可以更好地理解和掌握`CString`类的使用，提高在C++环境中处理字符串的能力。在实际开发中，`CString`的灵活性和效率使其成为处理字符串的首选工具之一。

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_CString_use_method.rar （21个子文件）

测试用例.txt 191B

Resource.h 829B

CString类考核.clw 1KB

CString类考核Dlg.h 1KB

res

CString类考核.rc2 405B

CString类考核.ico 1KB

CString类考核Dlg.cpp 7KB

CString类考核.aps 35KB

CString类考核.dsw 551B

CString类考核.cpp 2KB

www.pudn.com.txt 218B

StdAfx.cpp 215B

CString类考核.ncb 41KB

CString类考核.h 1KB

StdAfx.h 1KB

CString类考核.plg 1KB

CString类考核.dsp 4KB

CString类考核.rc 5KB

CString类考核.opt 50KB

resualt.txt 102B

ReadMe.txt 4KB

======================================================================== MICROSOFT FOUNDATION CLASS LIBRARY : CString类考核 ======================================================================== AppWizard has created this CString类考核 application for you. This application not only demonstrates the basics of using the Microsoft Foundation classes but is also a starting point for writing your application. This file contains a summary of what you will find in each of the files that make up your CString类考核 application. CString类考核.dsp This file (the project file) contains information at the project level and is used to build a single project or subproject. Other users can share the project (.dsp) file, but they should export the makefiles locally. CString类考核.h This is the main header file for the application. It includes other project specific headers (including Resource.h) and declares the CCStringApp application class. CString类考核.cpp This is the main application source file that contains the application class CCStringApp. CString类考核.rc This is a listing of all of the Microsoft Windows resources that the program uses. It includes the icons, bitmaps, and cursors that are stored in the RES subdirectory. This file can be directly edited in Microsoft Visual C++. CString类考核.clw This file contains information used by ClassWizard to edit existing classes or add new classes. ClassWizard also uses this file to store information needed to create and edit message maps and dialog data maps and to create prototype member functions. res\CString类考核.ico This is an icon file, which is used as the application's icon. This icon is included by the main resource file CString类考核.rc. res\CString类考核.rc2 This file contains resources that are not edited by Microsoft Visual C++. You should place all resources not editable by the resource editor in this file. ///////////////////////////////////////////////////////////////////////////// AppWizard creates one dialog class: CString类考核Dlg.h, CString类考核Dlg.cpp - the dialog These files contain your CCStringDlg class. This class defines the behavior of your application's main dialog. The dialog's template is in CString类考核.rc, which can be edited in Microsoft Visual C++. ///////////////////////////////////////////////////////////////////////////// Other standard files: StdAfx.h, StdAfx.cpp These files are used to build a precompiled header (PCH) file named CString类考核.pch and a precompiled types file named StdAfx.obj. Resource.h This is the standard header file, which defines new resource IDs. Microsoft Visual C++ reads and updates this file. ///////////////////////////////////////////////////////////////////////////// Other notes: AppWizard uses "TODO:" to indicate parts of the source code you should add to or customize. If your application uses MFC in a shared DLL, and your application is in a language other than the operating system's current language, you will need to copy the corresponding localized resources MFC42XXX.DLL from the Microsoft Visual C++ CD-ROM onto the system or system32 directory, and rename it to be MFCLOC.DLL. ("XXX" stands for the language abbreviation. For example, MFC42DEU.DLL contains resources translated to German.) If you don't do this, some of the UI elements of your application will remain in the language of the operating system. /////////////////////////////////////////////////////////////////////////////

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