ServiceStack：未在視圖中使用的自定義應用設置

我與ServiceStack相處得非常好，但遇到了一個我目前無法工作的問題。在我的Global.asax.cs配置（）方法，我宣佈一個基於數據庫的AppSettings如下：ServiceStack：未在視圖中使用的自定義應用設置

  // Create app settings, based on dictionary settings from central database 
      Dictionary<string, string> configSettings = null; 
      using (var db = container.Resolve<IDbConnectionFactory>().Open()) 
      { 
       configSettings = db.Dictionary<string, string>(db.From<ConfigSetting>()); 
      } 
      var dicSettings = new DictionarySettings(configSettings); 

      // Register app settings for injection 
      container.Register<IAppSettings>(dicSettings);

這代碼的偉大工程，其中的AppSettings注入：

public class RemoteEmailValidator : IEmailValidator 
{ 
    public IAppSettings AppSettings { get; set; } 

    public bool ValidEmail(string email) 
    { 
     try 
     { 
      if (String.IsNullOrEmpty(email) || email.Length > 256) 
      { 
       return false; 
      } 

      RestClient client = new RestClient(); 
      string baseURL = AppSettings.Get("MailgunAPIBaseURL", ""); 
      if (String.IsNullOrEmpty(baseURL)) 
      { 
       // If we can't check email in-depth, then it's OK 
       return true; 
      } 
      else 
      { 
       client.BaseUrl = new Uri(baseURL); 
       client.Authenticator = 
         new HttpBasicAuthenticator(AppSettings.Get("MailgunAPIUserName", ""), 
                AppSettings.Get("MailgunAPIPublicKey", "")); 
       RestRequest request = new RestRequest(); 
       request.Resource = AppSettings.Get("MailgunAPIEmailValidationResource", ""); 
       request.AddParameter("address", email); 

       var response = client.Execute(request); 
       dynamic content = DynamicJson.Deserialize(response.Content); 

       return content.is_valid == "true"; 
      } 
     } 
     catch { } // Suppress any errors, because email validation is nice to have 

     return true; 
    } 
}

的值如您所期望的那樣從數據庫中檢索。但是，當我嘗試從視圖訪問AppSettings時，值將從web.config返回。例如。在我register.cshtml：

string maxHouseholdMembers = HostContext.AppSettings.Get("MaxMembersPerHousehold", "20");

的值有變化基礎上，從數據庫中的值，而是基於更新的web.config變的。那麼，是否有任何額外的配置我需要做，讓我的視圖使用我在global.asax.cs Configure（）方法中創建的自定義AppSettings？

來源

2015-10-04 vipes

找到了答案，而我實際上發佈的問題。只需要在Configure（）方法添加一個額外的行：

  // Create app settings, based on dictionary settings from central database 
      Dictionary<string, string> configSettings = null; 
      using (var db = container.Resolve<IDbConnectionFactory>().Open()) 
      { 
       configSettings = db.Dictionary<string, string>(db.From<ConfigSetting>()); 
      } 
      var dicSettings = new DictionarySettings(configSettings); 
      AppSettings = dicSettings;

最後一行（的AppSettings = dicSettings）的伎倆和覆蓋標準的AppSettings。

來源

2015-10-04 08:40:49 vipes

是的，你只需要設置AppHost AppSettings，你不需要在IOC中註冊，因爲ServiceStack會註冊它，如果它不存在 – mythz

ServiceStack：未在視圖中使用的自定義應用設置

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