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kratos/examples/http/middlewares/middlewares.go

75 lines
2.0 KiB

package main
import (
"context"
"fmt"
"net/http"
"github.com/go-kratos/kratos/v2/middleware"
)
func globalFilter(next http.Handler) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
fmt.Println("global filter in")
next.ServeHTTP(w, r)
fmt.Println("global filter out")
})
}
func globalFilter2(next http.Handler) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
fmt.Println("global filter 2 in")
next.ServeHTTP(w, r)
fmt.Println("global filter 2 out")
})
}
func routeFilter(next http.Handler) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
fmt.Println("route filter in")
next.ServeHTTP(w, r)
fmt.Println("route filter out")
})
}
func routeFilter2(next http.Handler) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
fmt.Println("route filter 2 in")
next.ServeHTTP(w, r)
fmt.Println("route filter 2 out")
})
}
func pathFilter(next http.Handler) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
fmt.Println("path filter in")
next.ServeHTTP(w, r)
fmt.Println("path filter out")
})
}
func pathFilter2(next http.Handler) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
fmt.Println("path filter 2 in")
next.ServeHTTP(w, r)
fmt.Println("path filter 2 out")
})
}
func serviceMiddleware(handler middleware.Handler) middleware.Handler {
return func(ctx context.Context, req interface{}) (reply interface{}, err error) {
fmt.Println("service middleware in")
reply, err = handler(ctx, req)
fmt.Println("service middleware out")
return
}
}
func serviceMiddleware2(handler middleware.Handler) middleware.Handler {
return func(ctx context.Context, req interface{}) (reply interface{}, err error) {
fmt.Println("service middleware 2 in")
reply, err = handler(ctx, req)
fmt.Println("service middleware 2 out")
return
}
}