main.go

/*
 * Copyright 2022 CloudWeGo Authors
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package main

import (
	"context"

	"github.com/cloudwego/hertz/pkg/app"
	"github.com/cloudwego/hertz/pkg/app/server"
	"github.com/cloudwego/hertz/pkg/common/utils"
	"github.com/cloudwego/hertz/pkg/protocol/consts"
	"github.com/hertz-contrib/requestid"
)

func main() {
	h := server.Default()

	var bar string

	h.Use(
		requestid.New(
			requestid.WithGenerator(func(ctx context.Context, c *app.RequestContext) string {
				return "hello"
			}),
			// define your request id handler here
			requestid.WithHandler(func(ctx context.Context, c *app.RequestContext, requestID string) {
				bar = requestID + " hertz"
			}),
		),
	)

	h.GET("/ping", func(ctx context.Context, c *app.RequestContext) {
		c.JSON(consts.StatusOK, utils.H{
			"ping": "pong",
			"foo":  bar, // hello hertz
		})
	})

	h.Spin()
}