本文转载自微信公众号「UP技术控」,作者conan5566。转载本文请联系UP技术控公众号。
概述
Ocelot面向使用.NET运行微型服务/面向服务的体系结构的人员,这些体系结构需要在系统中具有统一的入口点。特别是我想与IdentityServer参考和承载令牌轻松集成。Ocelot是按特定顺序排列的一堆中间件。Ocelot将HttpRequest对象操作到由其配置指定的状态,直到到达请求构建器中间件,在该中间件中它创建一个HttpRequestMessage对象,该对象用于向下游服务发出请求。发出请求的中间件是Ocelot管道中的最后一件事。它不会调用下一个中间件。有一块中间件可将HttpResponseMessage映射到HttpResponse对象,然后将其返回给客户端。基本上,它具有许多其他功能。
代码实现
1、新建api客户端1
2、新建api 网关test
3、nuget安装Ocelot
4、Program文件添加ConfigureAppConfiguration
public class Program
{
public static void Main(string[] args)
{
CreateHostBuilder(args).Build().Run();
}
public static IHostBuilder CreateHostBuilder(string[] args) =>
Host.CreateDefaultBuilder(args)
.ConfigureAppConfiguration(conf =>
{
conf.AddJsonFile("ocelot.json", false, true);
})
.ConfigureWebHostDefaults(webBuilder =>
{
webBuilder.UseStartup<Startup>();
});
}
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5、Startup文件配置
services.AddOcelot(Configuration);
app.UseOcelot().Wait();
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6、网关项目下添加文件ocelot.json
{
"ReRoutes": [
{
"DownstreamPathTemplate": "/api/WeatherForecast/GetList",
"DownstreamScheme": "http",
"DownstreamHostAndPorts": [
{
"Host": "localhost",
"Port": 5000
}
],
"UpstreamPathTemplate": "/GetList",
"UpstreamHttpMethod": [ "Get" ]
},
{
"DownstreamPathTemplate": "/{everything}",
"DownstreamScheme": "http",
"DownstreamHostAndPorts": [
{
"Host": "localhost",
"Port": 5000
}
],
"UpstreamPathTemplate": "/{everything}",
"UpstreamHttpMethod": [ "Post" ]
},
{
"DownstreamPathTemplate": "/api/WeatherForecast/GetModel?id={s1}",
"DownstreamScheme": "http",
"DownstreamHostAndPorts": [
{
"Host": "localhost",
"Port": 5000
}
],
"UpstreamPathTemplate": "/GetModel?id={s1}",
"UpstreamHttpMethod": [ "Get" ]
}
]
}
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7、2个项目运行,测试
代码地址
https://gitee.com/conanOpenSource_admin/Example/commit/b3b5a6b15a060b46c5ecd2ea31f0d36791cda18c