如何解决读取C＃Framework 4.0中的自定义配置文件
| 我正在Framework 4.0下的C＃中开发应用程序。 在我的应用程序中，我想创建一个独立的配置文件，而不是app.config文件。配置文件包含我们为产品开发的自定义配置部分。 我不想使用configSource从app.config引用此文件。 我想在运行时加载它并阅读其内容。 我的意思是一个示例log4net，它允许您将配置写入log4net.config文件中。 任何人都可以在不编写类似于框架中存在代码的代码的情况下帮助实现该目标吗？ 更新： 根据Kaido的回答，我编写了实用程序类，该类读取自定义配置文件，并具有在文件系统上的文件更改时刷新Config内容的功能。 该类的用法如下： 获取配置文件内容// Create configuration reader that reads the files once
var configFileReader = new CustomConfigurationFileReader(\"c:\\\\myconfig.config\");
var config = configFileReader.Config;
// Do any action you want with the config object like:
config.GetSection(\"my.custom.section\");
// or,var someVal = config.AppSettings.Settings[\"someKey\"];
// Create configuration reader that notifies when the configuraiton file changes
var configFileReader = new CustomConfigurationFileReader(\"c:\\\\myconfig.config\",true);
// Register to the FileChanged event
configFileReader.FileChanged += MyEventHandler;
...
private void MyEventHanler(object sender,EventArgs e)
{
// You can safely access the Config property here,it is already contains the new content
}
using System;
using System.Configuration;
using System.IO;
using CSG.Core.Validation;
namespace CSG.Core.Configuration
{
/// <summary>
/// Reads customer configuration file
/// </summary>
public class CustomConfigurationFileReader
{
// By default,don\'t notify on file change
private const bool DEFAULT_NOTIFY_BEHAVIOUR = false;
#region Fields
// The configuration file name
private readonly string _configFileName;
/// <summary>
/// Raises when the configuraiton file is modified
/// </summary>
public event System.EventHandler FileChanged;
#endregion Fields
#region Constructor
/// <summary>
/// Initialize a new instance of the CustomConfigurationFileReader class that notifies
/// when the configuration file changes.
/// </summary>
/// <param name=\"configFileName\">The full path to the custom configuration file</param>
public CustomConfigurationFileReader(string configFileName)
: this(configFileName,DEFAULT_NOTIFY_BEHAVIOUR)
{
}
/// <summary>
/// Initialize a new instance of the CustomConfigurationFileReader class
/// </summary>
/// <param name=\"configFileName\">The full path to the custom configuration file</param>
/// <param name=\"notifyOnFileChange\">Indicate if to raise the FileChange event when the configuraiton file changes</param>
[ValidateParameters]
public CustomConfigurationFileReader([NotNull,FileExists]string configFileName,bool notifyOnFileChange)
{
// Set the configuration file name
_configFileName = configFileName;
// Read the configuration File
ReadConfiguration();
// Start watch the configuration file (if notifyOnFileChanged is true)
if(notifyOnFileChange)
WatchConfigFile();
}
#endregion Constructor
/// <summary>
/// Get the configuration that represents the content of the configuration file
/// </summary>
public System.Configuration.Configuration Config
{
get;
set;
}
#region Helper Methods
/// <summary>
/// Watch the configuraiton file for changes
/// </summary>
private void WatchConfigFile()
{
var watcher = new FileSystemWatcher(_configFileName);
watcher.Changed += ConfigFileChangedEvent;
}
/// <summary>
/// Read the configuration file
/// </summary>
public void ReadConfiguration()
{
// Create config file map to point to the configuration file
var configFileMap = new ExeConfigurationFileMap
{
ExeConfigFilename = _configFileName
};
// Create configuration object that contains the content of the custom configuration file
Config = ConfigurationManager.OpenMappedExeConfiguration(configFileMap,ConfigurationUserLevel.None);
}
/// <summary>
/// Called when the configuration file changed.
/// </summary>
/// <param name=\"sender\"></param>
/// <param name=\"e\"></param>
private void ConfigFileChangedEvent(object sender,FileSystemEventArgs e)
{
// Check if the file changed event has listeners
if (FileChanged != null)
// Raise the event
FileChanged(this,new EventArgs());
}
#endregion Helper Methods
}
}
解决方法
// Map the roaming configuration file. This
// enables the application to access
// the configuration file using the
// System.Configuration.Configuration class
ExeConfigurationFileMap configFileMap =
new ExeConfigurationFileMap();
configFileMap.ExeConfigFilename =
roamingConfig.FilePath;
// Get the mapped configuration file.
Configuration config =
ConfigurationManager.OpenMappedExeConfiguration(
configFileMap,ConfigurationUserLevel.None);
namespace HelloWorld
{
#region NameSpaces
using System;
using Cinchoo.Core.Configuration;
#endregion NameSpaces
[ChoConfigurationSection(\"sample\")]
public class SampleConfigSection : ChoConfigurableObject
{
#region Instance Data Members (Public)
[ChoPropertyInfo(\"name\",DefaultValue=\"Mark\")]
public string Name;
[ChoPropertyInfo(\"message\",DefaultValue=\"Hello World!\")]
public string Message;
#endregion
}
static void Main(string[] args)
{
SampleConfigSection sampleConfigSection = new SampleConfigSection();
Console.WriteLine(sampleConfigSection.ToString());
}
}
<?xml version=\"1.0\" encoding=\"utf-8\"?>
<configuration>
<configSections>
<section name=\"sample\" type=\"Cinchoo.Core.Configuration.ChoNameValueSectionHandler,Cinchoo.Core,Version=1.0.0.0,Culture=neutral,PublicKeyToken=b7dacd80ff3e33de\" />
</configSections>
<sample>
<add key=\"name\" value=\"Mark\" />
<add key=\"message\" value=\"Hello World!\" />
</sample>
</configuration>
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