从配置文件中获取设置

Question

我正在尝试在 ASP.NET Boilerplate 中设置 MailKit 以发送电子邮件，但尽管我已在 app.config 文件中添加了设置，但我仍然收到此异常。

发送电子邮件的代码：

_emailSender.Send(
    to: "*****@gmail.com",
    subject: "You have a new task!",
    body: $"A new task is assigned for you: <b>Create doFramework</b>",
    isBodyHtml: true
);

收到异常：

{Abp.AbpException: 'Abp.Net.Mail.DefaultFromAddress' 的设置值 为空或为空！在 Abp.Net.Mail.EmailSenderConfiguration.GetNotEmptySettingValue（字符串 名称）在 D:\Github\aspnetboilerplate\src\Abp\Net\Mail\EmailSenderConfiguration.cs:line 44 在 Abp.Net.Mail.EmailSenderBase.NormalizeMail(MailMessage 邮件) 在 D:\Github\aspnetboilerplate\src\Abp\Net\Mail\EmailSenderBase.cs:line 96 在 Abp.Net.Mail.EmailSenderBase.Send（MailMessage 邮件，布尔值 标准化）在 D:\Github\aspnetboilerplate\src\Abp\Net\Mail\EmailSenderBase.cs:line 73 在 TaskManagmentApp.Tasks.TaskAppService.GetAll(GetAllTask​​sInput 输入）在 C:\Users\Dopravo\source\repos\doFramework\SampleProjects\TaskManagmentApp\src\TaskManagmentApp.Application\Services\TaskAppService.cs:line 36 在 Castle.Proxies.Invocations.ITaskAppService_GetAll.InvokeMethodOnTarget() 在 Castle.DynamicProxy.AbstractInvocation.Proceed() 在 Abp.Domain.Uow.UnitOfWorkInterceptor.PerformSyncUow（IInvocation 调用，UnitOfWorkOptions 选项）在 D:\Github\aspnetboilerplate\src\Abp\Domain\Uow\UnitOfWorkInterceptor.cs:line 68 at Castle.DynamicProxy.AbstractInvocation.Proceed() at Abp.Auditing.AuditingInterceptor.PerformSyncAuditing(IInvocation 调用，AuditInfo auditInfo) 在 D:\Github\aspnetboilerplate\src\Abp\Auditing\AuditingInterceptor.cs:line 51}

app.config 文件：

<configuration>
  <runtime>
    <gcServer enabled="true"/>
  </runtime>
  <appSettings>
    <add key="Abp.Net.Mail.DefaultFromAddress" value="lkaddoura@dopravo.com"/>
    <add key="Abp.Net.Mail.DefaultFromDisplayName" value="Lutfi Kaddoura"/>
  </appSettings>     
</configuration>

Answer 1

来自Setting Management上的文档：

ISettingStore接口必须实现才能使用设置系统。虽然您可以用自己的方式实现它，但它已在 Module Zero 项目中完全实现。如果未实施，则从应用程序的配置文件（web.config 或 app.config）读取设置，但无法更改这些设置。范围界定也不起作用。

要回退到配置文件，子类SettingStore 并覆盖GetSettingOrNullAsync：

public class MySettingStore : SettingStore
{
    public MySettingStore(
        IRepository<Setting, long> settingRepository,
        IUnitOfWorkManager unitOfWorkManager)
        : base(settingRepository, unitOfWorkManager)
    {
    }

    public override Task<SettingInfo> GetSettingOrNullAsync(int? tenantId, long? userId, string name)
    {
        return base.GetSettingOrNullAsync(tenantId, userId, name)
            ?? DefaultConfigSettingStore.Instance.GetSettingOrNullAsync(tenantId, userId, name);
    }
}

然后在你的模块中替换ISettingStore：

// using Abp.Configuration.Startup;

public override void PreInitialize()
{
    Configuration.ReplaceService<ISettingStore, MySettingStore>(DependencyLifeStyle.Transient);
}

Answer 2

我终于能够通过实现我自己的从配置文件读取的 SettingStore 来读取设置。请注意，需要实现 GetAllListAsync 调用。

   public class MySettingStore : ISettingStore
    {
        public Task CreateAsync(SettingInfo setting)
        {
            throw new NotImplementedException();
        }

        public Task DeleteAsync(SettingInfo setting)
        {
            throw new NotImplementedException();
        }

        public Task<List<SettingInfo>> GetAllListAsync(int? tenantId, long? userId)
        {
            var result = new List<SettingInfo>();
            var keys = ConfigurationManager.AppSettings.AllKeys;

            foreach (var key in keys)
            {
                result.Add(new SettingInfo(null, null, key, ConfigurationManager.AppSettings[key]));
            }

            return Task.FromResult(result);
        }

        public Task<SettingInfo> GetSettingOrNullAsync(int? tenantId, long? userId, string name)
        {
            var value = ConfigurationManager.AppSettings[name];

            if (value == null)
            {
                return Task.FromResult<SettingInfo>(null);
            }

            return Task.FromResult(new SettingInfo(tenantId, userId, name, value));
        }

        public Task UpdateAsync(SettingInfo setting)
        {
            throw new NotImplementedException();
        }
    }

需要在模块的 PreInitalize() 中替换 MySettingStore。

public override void PreInitialize()
{
    Configuration.ReplaceService<ISettingStore, MySettingStore>(DependencyLifeStyle.Transient);
}