配置文件内容如下：
<?xml version="1.0" encoding="utf-8" ?>
<configuration>
<configSections>
<section name="mySection" type="System.Configuration.NameValueSectionHandler"/>
<section name="mySingleTagSection" type="System.Configuration.SingleTagSectionHandler"/>
<section name="myDictionarySection" type="System.Configuration.DictionarySectionHandler"/>
<sectionGroup name="mySections">
<section name="mySection1" type="System.Configuration.NameValueSectionHandler"/>
<section name="mySection2" type="System.Configuration.NameValueSectionHandler"/>
</sectionGroup>
</configSections>
<mySection>
<add key="key1" value="value1" />
<add key="key2" value="value2" />
</mySection>
<mySingleTagSection setting1="value1" setting2="value2" setting3="value3" />
<myDictionarySection>
<add key="DictionarySectionKey1" value="DictionarySectionValue1"/>
<add key="DictionarySectionKey2" value="DictionarySectionValue2"/>
<add key="DictionarySectionKey3" value="DictionarySectionValue3"/>
</myDictionarySection>
<mySections>
<mySection1>
<add key="mySection1_key1" value="mySection1_value1" />
<add key="mySection1_key2" value="mySection1_value2" />
</mySection1>
<mySection2>
<add key="mySection2_key1" value="mySection2_value1" />
<add key="mySection2_key2" value="mySection2_value2" />
</mySection2>
</mySections>
<appSettings>
<add key="appkey1" value="appvalue1" />
<add key="appkey2" value="appvalue2" />
</appSettings>
</configuration>
代码片断如下：
private static void TestAppSettings()
{
Console.WriteLine("TestAppSettings ...");
NameValueCollection config = ConfigurationSettings.AppSettings;
Console.WriteLine("value1:" + config["key1"]);
Console.WriteLine("value2:" + config["key2"]);
Console.WriteLine();
}
private static void TestSection()
{
Console.WriteLine("TestSection ...");
NameValueCollection config ;
config = (NameValueCollection)ConfigurationSettings.GetConfig("mySection");
Console.WriteLine("value1:" + config["key1"]);
Console.WriteLine("value2:" + config["key2"]);
Console.WriteLine();
}
private static void TestSingleTagSection()
{
Console.WriteLine("TestSingleTagSection ...");
IDictionary dic ;
dic = (IDictionary)ConfigurationSettings.GetConfig("mySingleTagSection");
Console.WriteLine("value1:" + dic["setting1"]);
Console.WriteLine("value2:" + dic["setting2"]);
Console.WriteLine("value3:" + dic["setting3"]);
Console.WriteLine();
}
private static void TestDictionarySection()
{
Console.WriteLine("TestDictionarySection ...");
IDictionary dic ;
dic = (IDictionary)ConfigurationSettings.GetConfig("myDictionarySection");
Console.WriteLine("DictionarySectionValue1:" + dic["DictionarySectionKey1"]);
Console.WriteLine("DictionarySectionValue2:" + dic["DictionarySectionKey2"]);
Console.WriteLine("DictionarySectionValue3:" + dic["DictionarySectionKey3"]);
Console.WriteLine();
}
private static void TestSectionGroup()
{
Console.WriteLine("TestSectionGroup ...");
NameValueCollection config1 ;
NameValueCollection config2 ;
config1 = (NameValueCollection)ConfigurationSettings.GetConfig("mySections/mySection1");
config2 = (NameValueCollection)ConfigurationSettings.GetConfig("mySections/mySection2");
Console.WriteLine("mySections/mySections1/value1:" + config1["mySection1_key1"]);
Console.WriteLine("mySections/mySections1/value2:" + config1["mySection1_key2"]);
Console.WriteLine("mySections/mySections2/value1:" + config2["mySection2_key1"]);
Console.WriteLine("mySections/mySections2/value2:" + config2["mySection2_key2"]);
Console.WriteLine();
}