MASAMinimalAPI：创建MinimalAPI项目

项目准备

1.创建项目，选择webapi。取消勾选使用控制器。创建minimal Api项目

2.创建成功后MinimalAPI的接口直接写在program.cs中

3.引入nuget包：Masa.Contrib.Service.MinimalAPIs

MinimalAPI改造

1. 在program.cs中加入以下内容

将原有的

var app = builder.Build();

换成

var app = builder.Services.AddServices(builder);

2.自定义Service并继承ServiceBase

1.我们创建的一个自定义service如下：

    public class UserService : ServiceBase {
        public UserService() : base() {
            App.MapGet("/api/weatherforecast", GetWeatherForecast);
        }
        public async Task<WeatherForecast[]> PostWeather() {
            return null;
        }
        public async Task< WeatherForecast[]> GetWeatherForecast() {
            var summaries = new[]
            {
                "Freezing", "Bracing", "Chilly", "Cool", "Mild", "Warm", "Balmy", "Hot", "Sweltering", "Scorching"
            };
            var forecast = Enumerable.Range(1, 5).Select(index =>
        new WeatherForecast
        (
            DateOnly.FromDateTime(DateTime.Now.AddDays(index)),
            Random.Shared.Next(-20, 55),
            summaries[Random.Shared.Next(summaries.Length)]
        ))
        .ToArray();
            return forecast;
        }

        public async Task<IResult> Register() {
            return Results.Ok("注册成功");
        }
    }
    public record WeatherForecast(DateOnly Date, int TemperatureC, string? Summary) {
        public int TemperatureF => 32 + (int)(TemperatureC / 0.5556);
    }

2.构建成功，查看swagger

提问：为什么我们只写了一个app.MapGet,却生成了三个接口

MASA MinimalAPI源码解析：为什么我们只写了一个app.MapGet,却生成了三个接口：https://note.raokun.top/archives/masaminimalapi-yuan-ma-jie-xi--wei-shen-me-wo-men-zhi-xie-le-yi-ge-appmapget-que-sheng-cheng-le-san-ge-jie-kou

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