WebApi 插件式构建方案：集成加载数据库连接字符串

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.markdown-body a {
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.markdown-body strong {
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public void Configurate(System.Configuration.Configuration[] configurations)
{
    var meta = ((TypeX)ConfigurationManager.ConnectionStrings.GetType()).GetField("bReadOnly");
    meta.SetValue(ConfigurationManager.ConnectionStrings, false);

    configurations.SelectMany(p => p.ConnectionStrings.ConnectionStrings.OfType<ConnectionStringSettings>())
                  .Where(p => ConfigurationManager.ConnectionStrings.IndexOf(p) < 0)
                  .ForEach(ConfigurationManager.ConnectionStrings.Add);

    meta.SetValue(ConfigurationManager.ConnectionStrings, true);
}

<?xml version="1.0" encoding="UTF-8"?>
  <configuration enabled="true">
    <description>授权支持插件</description>
    <assemblies>
      <add type="relative">bin/Intime.AuthorizationService.dll</add>
      <add type="relative">bin/Intime.AuthorizationService.Services.dll</add>
      <add type="relative">bin/Intime.AuthorizationService.Data.dll</add>
      <add type="relative">bin/Intime.AuthorizationService.Data.Repository.dll</add>
    </assembiles>
    <appConfig type="relative">bin/Intime.AuthorizationService.Data.Repository.dll.config</appConfig>
</configuration>

public void Configurate(HttpConfiguration configuration)
{
    var items = ServiceLocator.Current.GetAllInstances<IAppConfigHandler>().ToArray();
    if (items.Any())
    {
        var data = DynamicModules.Instance
            .Modules
            .Where(p => !string.IsNullOrWhiteSpace(p.Configuration.AppConfig))
            .Select(p =>
            {
                var fullFilePath = Path.Combine(p.Path, p.Configuration.AppConfig);

                return ConfigurationManager.OpenMappedExeConfiguration(new ExeConfigurationFileMap { ExeConfigFilename = fullFilePath }, ConfigurationUserLevel.None);
            })
            .ToArray();

        items.ForEach(p => p.Configurate(data));
    }
}