sse协议，主动发送给客户端

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我是靠谱客的博主缥缈小蝴蝶，这篇文章主要介绍sse协议，主动发送给客户端，现在分享给大家，希望可以做个参考。

转载链接地址

github golang库

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https://jasonkayzk.github.io/2021/03/05/%E4%BD%BF%E7%94%A8Go%E5%AE%9E%E7%8E%B0%E6%9C%8D%E5%8A%A1%E7%AB%AF%E4%BA%8B%E4%BB%B6%E6%8E%A8%E9%80%81SSE/

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sse 客户端说明
https://cloud.tencent.com/developer/article/1693281

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<script type="text/javascript">
// 默认是message事件
window.addEventListener("DOMContentLoaded", function () {
var evsrc = new EventSource("/events");
evsrc.onmessage = function (ev) {
console.log(ev)
document.getElementById("log").insertAdjacentHTML("beforeend", "<li>" + ev.data + "</li>");
}
evsrc.onerror = function (ev) {
console.log("readyState = " + ev.currentTarget.readyState);
}
})
// 自定义事件 /testEvent
window.addEventListener("DOMContentLoaded", function () {
var evsrc = new EventSource("/events");
evsrc.addEventListener("testEvent", function(event) {
var data = event.data;
var origin = event.origin;
var lastEventId = event.lastEventId;
console.log(event)
document.getElementById("log").insertAdjacentHTML("beforeend", "<li>" + event.data + "</li>");
}, false);
evsrc.onerror = function (ev) {
console.log("readyState = " + ev.currentTarget.readyState);
}
})
</script>