当我们先后中采取安排文件时,Asp.net中使用是Web.config,WinForm和Console中应用是App.config。通常用之极多是AppSettings节,有的上看无敷用,另一样挑选就是协调实现SectionHandler,来实现自定义配置节。看下的示例AppSettings节:

<appSettings>
  <add key="source1user" value="user" />
  <add key="source1password" value="pass" />
</appSettings>

对于地方两单布局起,要写个由定义配置类是休是生麻烦,我们还有另外一样种简易实现方式,使用
SingleTagSectionHandler

MSDN是这么描述的:Handles configuration sections that are represented
by a single XML tag in the .config file”.

下面来拘禁一下:

<configSections>
  <section name="remoteDataSource" type="System.Configuration.SingleTagSectionHandler" />
</configSections>

<remoteDataSource username="user" password="pass" url="http://remote/" />

代码中这样看:

      [Test]
      public void TestConfig()
      {
          Hashtable remoteDataSource =
(Hashtable)ConfigurationManager.GetSection("remoteDataSource");
          string username = (string)remoteDataSource["username"];
          string password = (string)remoteDataSource["password"];
          string url = (string)remoteDataSource["url"];

          Assert.AreEqual("user", username);
          Assert.AreEqual("pass", password);
      }

很简单吧。还有另一种简单配置节的方法,可参见 简单实现自定义配置节 这篇Post.

Author: Petter Liu     http://wintersun.cnblogs.com 

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