Golang 协程异步请求

December 28, 2020

协程(coroutine)是Go语言中的轻量级线程实现,由Go运行时(runtime)管理。

Demo

package main

import (
	"fmt"
	"sync"
)

func main() {
	var gp sync.WaitGroup
	rel := make(map[string]interface{})
	gp.Add(2)
	go func(g *sync.WaitGroup) {
		defer g.Done()

		rel["demo1"] = getData()
	}(&gp)

	go func(g *sync.WaitGroup) {
		defer g.Done()

		rel["demo2"] = getData()
	}(&gp)
  
	gp.Wait()
  
	fmt.Println(rel)
}

func getData() string {
	return "test"
}

响应结果

map[demo1:test demo2:test]
Go异步请求

IARNO

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