如何在asp.net核心中将中间件编写为自定义路由器? [英] How to write a middleware as custom router in asp.net core?
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问题描述
我要转换此代码:
var trackPackageRouteHandler = new RouteHandler(context =>
{
var routeValues = context.GetRouteData().Values;
return context.Response.WriteAsync(
$"Hello! Route values: {string.Join(", ", routeValues)}");
});
var routeBuilder = new RouteBuilder(app, trackPackageRouteHandler);
routeBuilder.MapRoute(
"Track Package Route",
"package/{operation:regex(^track|create|detonate$)}/{id:int}");
routeBuilder.MapGet("hello/{name}", context =>
{
var name = context.GetRouteValue("name");
// This is the route handler when HTTP GET "hello/<anything>" matches
// To match HTTP GET "hello/<anything>/<anything>,
// use routeBuilder.MapGet("hello/{*name}"
return context.Response.WriteAsync($"Hi, {name}!");
});
var routes = routeBuilder.Build();
app.UseRouter(routes);
对此:
app.UseHelloRouter();
但是我不想使用除路由
推荐答案
您可以创建扩展方法来封装路由器配置
You can create an extension method to encapsulate the router configuration
public static class HelloRouterExtensions {
public static IApplicationBuilder UseHelloRouter(this IApplicationBuilder app) {
var trackPackageRouteHandler = new RouteHandler(context => {
var routeValues = context.GetRouteData().Values;
return context.Response.WriteAsync(
$"Hello! Route values: {string.Join(", ", routeValues)}");
});
var routeBuilder = new RouteBuilder(app, trackPackageRouteHandler);
routeBuilder.MapRoute(
"Track Package Route",
"package/{operation:regex(^track|create|detonate$)}/{id:int}");
routeBuilder.MapGet("hello/{name}", context => {
var name = context.GetRouteValue("name");
// This is the route handler when HTTP GET "hello/<anything>" matches
// To match HTTP GET "hello/<anything>/<anything>,
// use routeBuilder.MapGet("hello/{*name}"
return context.Response.WriteAsync($"Hi, {name}!");
});
var routes = routeBuilder.Build();
app.UseRouter(routes);
return app;
}
}
基本上是哪个配置
public void Configure(IApplicationBuilder app, ILoggerFactory loggerFactory)
{
var trackPackageRouteHandler = new RouteHandler(context =>
{
var routeValues = context.GetRouteData().Values;
return context.Response.WriteAsync(
$"Hello! Route values: {string.Join(", ", routeValues)}");
});
var routeBuilder = new RouteBuilder(app, trackPackageRouteHandler);
routeBuilder.MapRoute(
"Track Package Route",
"package/{operation:regex(^track|create|detonate$)}/{id:int}");
routeBuilder.MapGet("hello/{name}", context =>
{
var name = context.GetRouteValue("name");
// This is the route handler when HTTP GET "hello/<anything>" matches
// To match HTTP GET "hello/<anything>/<anything>,
// use routeBuilder.MapGet("hello/{*name}"
return context.Response.WriteAsync($"Hi, {name}!");
});
var routes = routeBuilder.Build();
app.UseRouter(routes);
}
进入此配置.
public void Configure(IApplicationBuilder app, ILoggerFactory loggerFactory) {
app.UseHelloRouter();
}
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