将子设置配置设置加载到不加载列表的DI中

Question

这是我的appsettings.json中有问题的一节

"AzureServiceBus": {
    "ConnectionString":  "XXXX",
    "Queues": {
      "Name": "DummyMessageQueue",
      "Pub" : true,
      "Sub" : true
    }
  },

问题是_serviceBusConfiguration.Quotes总是空的。它没有加载列表。

Program.cs

在我的program.cs中，我按以下方式加载它

// Register configuration options for the azure service bus in a options object. 
builder.Services.Configure<ServiceBusConfigurationOptions>(
    builder.Configuration.GetSection("AzureServiceBus"));

我尝试过添加GetChildren，但这只会导致编译错误。

builder.Services.Configure<ServiceBusConfigurationOptions>(builder.Configuration.GetSection("AzureServiceBus").GetChildren<List<Queue>>());

也没帮上忙

builder.Services.Configure<ServiceBusConfigurationOptions>(options => builder.Configuration.GetSection("AzureServiceBus").Bind(options));

也不起作用

var x = builder.Configuration.GetSection("AzureServiceBus");
x.GetChildren();
builder.Services.Configure<ServiceBusConfigurationOptions>(x);

Di法

然后，我的服务中的构造函数按以下方式加载

public MessageReceiver(ILogger<MessageReceiver<T>> logger,
        IOptions<ServiceBusConfigurationOptions> serviceBusConfiguration)
    {
        _logger = logger;
        _serviceBusConfiguration = serviceBusConfiguration.Value;

    }

问题是_serviceBusConfiguration.Quotes总是空的。它没有加载列表。

类

public class ServiceBusConfigurationOptions
{
    public string ConnectionString { get; set; }
    public string QueueName { get; set; }
    public List<Queue> Queues { get; set; }
}

public class Queue
{
    public string Name { get; set; }
    public bool Sub { get; set; }
    public bool Pub { get; set; }
}

Answer 1

您的配置模型：

public class ServiceBusConfigurationOptions
{
    public string ConnectionString { get; set; }
    public string QueueName { get; set; }
    public List<Queue> Queues { get; set; }
}

队列是一个列表，但是在您的appsetting.json中，“队列”部分不是数组，这导致配置绑定失败。尝试将"AzureServiceBus“部分更改为：

"AzureServiceBus": {
    "ConnectionString":  "XXXX",
    "Queues": [{
      "Name": "DummyMessageQueue",
      "Pub" : true,
      "Sub" : true
    }]
  },