解锁.NET 11 中 Microsoft.Extensions.AI 在智能后端开发的深度实战指南

dotnet new webapi -n IntelligentBackend

dotnet add package Microsoft.Extensions.AI.TextAnalytics

using Microsoft.Extensions.AI.TextAnalytics;
using Microsoft.Extensions.DependencyInjection;
public void ConfigureServices(IServiceCollection services)
{
    services.AddTextAnalytics(options =>
    {
        options.Endpoint = new Uri("https://your - cognitive - services - endpoint");
        options.Key = "your - api - key";
    });
    services.AddControllers();
}

using Microsoft.AspNetCore.Mvc;
using Microsoft.Extensions.AI.TextAnalytics;
using System.Threading.Tasks;
[ApiController]
[Route("[controller]")]
public class TextAnalysisController : ControllerBase
{
    private readonly ITextAnalyticsClient _textAnalyticsClient;
    public TextAnalysisController(ITextAnalyticsClient textAnalyticsClient)
    {
        _textAnalyticsClient = textAnalyticsClient;
    }
    [HttpPost]
    public async Task<IActionResult> AnalyzeText([FromBody] string text)
    {
        var result = await _textAnalyticsClient.AnalyzeSentimentAsync(text);
        return Ok(result);
    }
}

public interface IOrderPredictionService
{
    Task<int> PredictOrderCountAsync();
}

public class OrderPredictionService : IOrderPredictionService
{
    private readonly Random _random;
    public OrderPredictionService()
    {
        _random = new Random();
    }
    public async Task<int> PredictOrderCountAsync()
    {
        await Task.Delay(1000);
        return _random.Next(100, 200);
    }
}

public void ConfigureServices(IServiceCollection services)
{
    services.AddScoped<IOrderPredictionService, OrderPredictionService>();
    // 其他服务配置
}

using Microsoft.AspNetCore.Mvc;
using System.Threading.Tasks;
[ApiController]
[Route("[controller]")]
public class OrderController : ControllerBase
{
    private readonly IOrderPredictionService _orderPredictionService;
    public OrderController(IOrderPredictionService orderPredictionService)
    {
        _orderPredictionService = orderPredictionService;
    }
    [HttpGet]
    public async Task<IActionResult> PredictOrderCount()
    {
        var count = await _orderPredictionService.PredictOrderCountAsync();
        return Ok(count);
    }
}