{"id":632,"date":"2023-07-12T11:45:34","date_gmt":"2023-07-12T03:45:34","guid":{"rendered":"https:\/\/china-abc.leohe.net.cn\/?p=632"},"modified":"2023-07-19T01:16:47","modified_gmt":"2023-07-18T17:16:47","slug":"golang-%e5%8d%8f%e7%a8%8b","status":"publish","type":"post","link":"https:\/\/china-abc.leohe.net.cn\/?p=632","title":{"rendered":"golang  \u534f\u7a0b"},"content":{"rendered":"<div>\n<div>package main<\/div>\n<div>import (<\/div>\n<div>\u00a0 \u00a0 \"fmt\"<\/div>\n<div>\u00a0 \u00a0 \"sync\"<\/div>\n<div>\u00a0 \u00a0 \"time\"<\/div>\n<div>)<\/div>\n<div>var limitMaxNum = 10<\/div>\n<div>var chData = make(chan int, limitMaxNum)<\/div>\n<div>var jobGroup sync.WaitGroup<\/div>\n<div>var tasknum = 100<\/div>\n<div>func main() {<\/div>\n<div>\u00a0 \u00a0 var i int<\/div>\n<div>\u00a0 \u00a0 var j int<\/div>\n<div>\u00a0 \u00a0 \/\/\u7ec4\u88c5\u4efb\u52a1<\/div>\n<div>\u00a0 \u00a0 chanTask := make(chan int, tasknum)<\/div>\n<div>\u00a0 \u00a0 for j = 0; j &lt; tasknum; j++ {<\/div>\n<div>\u00a0 \u00a0 \u00a0 \u00a0 chanTask &lt;- j<\/div>\n<div>\u00a0 \u00a0 }<\/div>\n<div>\u00a0 \u00a0 close(chanTask)<\/div>\n<div>\u00a0 \u00a0 jobGroup.Add(tasknum)<\/div>\n<div>\u00a0 \u00a0 for i = 0; i &lt; limitMaxNum; i++ { \/\/\u6700\u591a10\u4e2a\u534f\u7a0b<\/div>\n<div>\u00a0 \u00a0 \u00a0 \u00a0 go dotask3(chanTask)<\/div>\n<div>\u00a0 \u00a0 }<\/div>\n<div>\u00a0 \u00a0 jobGroup.Wait()<\/div>\n<div>\u00a0 \u00a0 fmt.Println(\"main over\")<\/div>\n<div>}<\/div>\n<div>func dotask3(taskChan chan int) {<\/div>\n<div>\u00a0 \u00a0 for taskid := range taskChan { \/\/\u6bcf\u4e2a\u534f\u7a0b\u62fc\u547d\u62a2\u593a\u4efb\u52a1\uff0c\u76f4\u5230\u4efb\u52a1\u5b8c\u7ed3<\/div>\n<div>\u00a0 \u00a0 \u00a0 \u00a0 time.Sleep(time.Millisecond * 500)<\/div>\n<div>\u00a0 \u00a0 \u00a0 \u00a0 fmt.Println(\"finish task \", taskid)<\/div>\n<div>\u00a0 \u00a0 \u00a0 \u00a0 jobGroup.Done()<\/div>\n<div>\u00a0 \u00a0 }<\/div>\n<div>}<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>package main import ( \u00a0 \u00a0 \"fmt\" \u00a0 \u00a0 \"sync\" \u00a0 \u00a0 \"time\" ) [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[25],"tags":[],"_links":{"self":[{"href":"https:\/\/china-abc.leohe.net.cn\/index.php?rest_route=\/wp\/v2\/posts\/632"}],"collection":[{"href":"https:\/\/china-abc.leohe.net.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/china-abc.leohe.net.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/china-abc.leohe.net.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/china-abc.leohe.net.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=632"}],"version-history":[{"count":2,"href":"https:\/\/china-abc.leohe.net.cn\/index.php?rest_route=\/wp\/v2\/posts\/632\/revisions"}],"predecessor-version":[{"id":634,"href":"https:\/\/china-abc.leohe.net.cn\/index.php?rest_route=\/wp\/v2\/posts\/632\/revisions\/634"}],"wp:attachment":[{"href":"https:\/\/china-abc.leohe.net.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=632"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/china-abc.leohe.net.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=632"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/china-abc.leohe.net.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=632"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}