https:\/\/blog.csdn.net\/ta_huang\/article\/details\/131071617<\/a><\/p>\n\n\n\n<\/p>\n\n\n\n
text\/event-stream
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\u5ba2\u6237\u7aef\u53ef\u4ee5\u4f7f\u7528 Last-Event-ID \u8bf7\u6c42\u5934\u5b57\u6bb5\u6765\u6307\u5b9a\u4ece\u7279\u5b9a\u4e8b\u4ef6 ID \u5f00\u59cb\u63a5\u6536\u4e8b\u4ef6\uff0c\u4ee5\u4fbf\u5904\u7406\u8fde\u63a5\u65ad\u5f00\u540e\u7684\u4e8b\u4ef6\u4e0d\u4e22\u5931\u3002
\u4f7f\u7528 text\/event-stream\uff0c\u670d\u52a1\u5668\u53ef\u4ee5\u5b9e\u73b0\u4e0e\u5ba2\u6237\u7aef\u7684\u5b9e\u65f6\u53cc\u5411\u901a\u4fe1\uff0c\u901a\u8fc7\u63a8\u9001\u4e8b\u4ef6\u6765\u4f20\u9012\u5b9e\u65f6\u6570\u636e\u548c\u72b6\u6001\u53d8\u5316\u3002\u5b83\u4e0e\u5176\u4ed6\u5b9e\u65f6\u901a\u4fe1\u6280\u672f\uff08\u5982 WebSocket\uff09\u76f8\u6bd4\uff0c\u66f4\u9002\u5408\u4e8e\u5355\u5411\u7684\u670d\u52a1\u5668\u5411\u5ba2\u6237\u7aef\u7684\u901a\u4fe1\u573a\u666f\uff0c\u4e0d\u652f\u6301\u5ba2\u6237\u7aef\u5411\u670d\u52a1\u5668\u53d1\u9001\u6d88\u606f\u3002\u5b83\u63d0\u4f9b\u4e86\u4e00\u79cd\u7b80\u5355\u7684\u65b9\u5f0f\u6765\u5b9e\u73b0\u670d\u52a1\u5668\u63a8\u9001\u7684\u529f\u80fd\uff0c\u4e14\u5728\u6d4f\u89c8\u5668\u7aef\u7684\u517c\u5bb9\u6027\u8f83\u597d\u3002<\/p>\n\n\n\n
\u670d\u52a1\u5668\u7aef<\/p>\n\n\n\n
const http = require('http');\r\nconst yun = express();\r\nconst eventServer = http.createServer((req, res) => {\r\n res.writeHead(200, {\r\n 'Content-Type': 'text\/event-stream',\r\n 'Cache-Control': 'no-cache',\r\n 'Connection': 'keep-alive',\r\n 'Access-Control-Allow-Origin': \"*\",\r\n 'Access-Control-Allow-Headers': 'Content-Type,Content-Length,Authorization,Accept,X-Requested-With',\r\n 'Access-Control-Allow-Methods': 'PUT,POST,GET,DELETE,OPTIONS'\r\n });\r\n setInterval(() => {\r\n \t\/\/ \u4e8b\u4ef6\u8981\u7528\u4e24\u4e2a\\n\u7ed3\u675f\r\n res.write('data: The server time is: ' + new Date() + '\\n\\n');\r\n }, 1000);\r\n req.connection.addListener('close', () => {\r\n console.log('SSE connection closed!');\r\n }, false);\r\n}).listen(4001);\r\n<\/code><\/pre>\n\n\n\n\u524d\u7aef<\/p>\n\n\n\n
mounted() {\r\n const evtSource = new EventSource(\"http:\/\/localhost:4001\/\");\r\n evtSource.onmessage = function(event) {\r\n console.log('event', event)\r\n const serverTime = document.getElementById('serverTime');\r\n serverTime.innerHTML = event.data;\r\n };\r\n }\r\n<\/code><\/pre>\n\n\n\n<\/p>\n","protected":false},"excerpt":{"rendered":"
\u8f6c\u81ea https:\/\/blog.csdn.net\/…<\/p>\n
Continue reading\u670d\u52a1\u7aef\u63a8\u9001:\u57fa\u4e8enodejs\u5b9e\u73b0text\/event-stream\u7b80\u5355\u5e94\u7528\u6848\u4f8b\uff0cSSE<\/span><\/a><\/div>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[218],"tags":[219,220],"_links":{"self":[{"href":"https:\/\/log.tanxiaodian.com\/index.php?rest_route=\/wp\/v2\/posts\/1236"}],"collection":[{"href":"https:\/\/log.tanxiaodian.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/log.tanxiaodian.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/log.tanxiaodian.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/log.tanxiaodian.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1236"}],"version-history":[{"count":1,"href":"https:\/\/log.tanxiaodian.com\/index.php?rest_route=\/wp\/v2\/posts\/1236\/revisions"}],"predecessor-version":[{"id":1237,"href":"https:\/\/log.tanxiaodian.com\/index.php?rest_route=\/wp\/v2\/posts\/1236\/revisions\/1237"}],"wp:attachment":[{"href":"https:\/\/log.tanxiaodian.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1236"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/log.tanxiaodian.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1236"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/log.tanxiaodian.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1236"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}