windows GetPrivateProfileString 的目的是什么？
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What is the purpose of GetPrivateProfileString?
提问by smurf
I have come across the term GetPrivateProfileStringin a C++ program. Could anyone give me a simple explanation of the use of this function?
我GetPrivateProfileString在 C++ 程序中遇到过这个术语。谁能给我简单解释一下这个功能的使用？
The code on my page is:
我页面上的代码是：
GetPrivateProfileString("files", "directory", "/mediadb/files/", directory, os.path.getsize(directory), "apache")
回答by David Heffernan
GetPrivateProfileString()reads values from .ini files.
GetPrivateProfileString()从 .ini 文件中读取值。
Way back when, in the days of 16-bit Windows, it was the way to read and write application configuration data. Back then applications stored their configuration in a shared .ini file that lived in the system directory, called win.ini. Bad times!
回到 16 位 Windows 时代，它是读取和写入应用程序配置数据的方式。当时，应用程序将其配置存储在系统目录中的共享 .ini 文件中，称为 win.ini。艰难时期！
To read from win.ini you called GetProfileString(). The private in GetPrivateProfileString()is indicative of the fact that this wonderful function allowed you to access an .ini file other than win.ini, i.e. one private to your application. If I recall correctly (and my memory is hazy), most applications carried on using win.ini for years and years after it was officially frowned upon to do so.
要从 win.ini 中读取，您调用了GetProfileString(). private inGetPrivateProfileString()表明这一奇妙的功能允许您访问 win.ini 以外的 .ini 文件，即您的应用程序的私有文件。如果我没记错的话（而且我的记忆是模糊的），大多数应用程序在 win.ini 被正式拒绝使用之后，多年来一直继续使用它。
It so happens that GetPrivateProfileString()is an incredibly wrinkly beast with terrible performance characteristics and hard to understand oddities. I personally avoid it like the plague and if I have to process .ini files I use bespoke code to do so.
碰巧这GetPrivateProfileString()是一个令人难以置信的皱纹野兽，具有可怕的性能特征和难以理解的奇怪之处。我个人像瘟疫一样避免它，如果我必须处理 .ini 文件，我会使用定制代码来执行此操作。
Raymond Chen has a nice articleabout why .ini files were deprecated in favour of the registry.
Raymond Chen 有一篇很好的文章，介绍了为什么不推荐使用 .ini 文件以支持注册表。
回答by Macmade
From MSDN:
来自 MSDN：
Retrieves a string from the specified section in an initialization file.
Note
This function is provided only for compatibility with 16-bit Windows-based applications. Applications should store initialization information in the registry.
从初始化文件中的指定部分检索字符串。
笔记
提供此功能只是为了与 16 位基于 Windows 的应用程序兼容。应用程序应在注册表中存储初始化信息。
Syntax
句法
DWORD WINAPI GetPrivateProfileString(
__in LPCTSTR lpAppName,
__in LPCTSTR lpKeyName,
__in LPCTSTR lpDefault,
__out LPTSTR lpReturnedString,
__in DWORD nSize,
__in LPCTSTR lpFileName
);
回答by antlersoft
This retrieves configuration information from an .ini file
这将从 .ini 文件中检索配置信息
回答by i_am_jorf
It's for readingfrom .ini files. It's an old win16 API. You shouldn't use it.
