作者:手机用户2502939795 | 来源:互联网 | 2023-09-25 15:45
当没有更多值要发送时,您将关闭通道,因此在这种情况下,所有checkUrl
goroutine已完成。
var wg sync.WaitGroup
func checkUrls(urls []string) {
c := make(chan string)
for _, link := range urls {
wg.Add(1)
go checkUrl(link, c)
}
go func() {
wg.Wait()
close(c)
}()
for msg := range c {
fmt.Println(msg)
}
}
func checkUrl(url string, c chan string) {
defer wg.Done()
_, err := http.Get(url)
if err != nil {
c <- "We could not reach:" + url
} else {
c <- "Success reaching the website:" + url
}
}
(请注意,error
fromhttp.Get
仅将反映连接和协议错误。如果您也期望这些错误,则它不会包含http服务器错误,您必须了解如何检查路径,而不仅仅是主机。)