{"id":441796,"date":"2025-06-06T10:17:55","date_gmt":"2025-06-06T02:17:55","guid":{"rendered":"https:\/\/www.idc.net\/help\/?p=441796"},"modified":"2025-09-16T10:25:56","modified_gmt":"2025-09-16T02:25:56","slug":"%e4%bd%bf%e7%94%a8golang%e6%9e%84%e5%bb%ba%e9%ab%98%e6%95%88%e5%b1%8f%e5%b9%95%e5%ae%9e%e6%97%b6%e6%88%aa%e5%9b%be%e6%b5%81%e5%aa%92%e4%bd%93%e6%9c%8d%e5%8a%a1","status":"publish","type":"post","link":"https:\/\/idc.net\/help\/441796\/","title":{"rendered":"\u5728\u540e\u6d6a\u4e91VPS\u4e0a\u4f7f\u7528Golang\u6784\u5efa\u9ad8\u6548\u5c4f\u5e55\u6d41\u5a92\u4f53\u670d\u52a1"},"content":{"rendered":"<h2>\u5f15\u8a00<\/h2>\n<p>\u5b9e\u65f6\u5c4f\u5e55\u6d41\u5a92\u4f53\u5728\u8fdc\u7a0b\u534f\u4f5c\u3001\u5728\u7ebf\u6559\u80b2\u548c\u76d1\u63a7\u573a\u666f\u4e2d\u9700\u6c42\u65e5\u76ca\u589e\u957f\u3002Golang\u4ee5\u5176\u9ad8\u5e76\u53d1\u548c\u8f7b\u91cf\u7279\u6027\uff0c\u6210\u4e3a\u6784\u5efa\u4f4e\u5ef6\u8fdf\u6d41\u5a92\u4f53\u670d\u52a1\u7684\u7406\u60f3\u9009\u62e9\u3002\u672c\u6587\u4ee5<a href=\"https:\/\/idc.net\/cloud-hk\">\u540e\u6d6a\u4e91VPS<\/a>\u4e3a\u4f8b\uff0c\u4ecb\u7ecd\u5982\u4f55\u4f7f\u7528Golang\u5f00\u53d1\u4e00\u4e2a\u8f7b\u91cf\u7ea7MJPEG\u5c4f\u5e55\u6d41\u5a92\u4f53\u670d\u52a1\uff0c\u7ed3\u5408\u6280\u672f\u539f\u7406\u548c\u5b9e\u8df5\u6b65\u9aa4\uff0c\u4e3a\u5f00\u53d1\u8005\u548c\u7cfb\u7edf\u7ba1\u7406\u5458\u63d0\u4f9b\u9ad8\u6548\u90e8\u7f72\u65b9\u6848\u3002<\/p>\n<h2>\u6848\u4f8b\u5206\u6790\uff1a\u540e\u6d6a\u4e91\u4e0a\u7684\u8fdc\u7a0b\u6559\u5b66\u5e73\u53f0<\/h2>\n<p>\u5047\u8bbe\u6211\u4eec\u5728<a href=\"https:\/\/idc.net\/cloud-hk\">\u540e\u6d6a\u4e91HK-1H2G VPS<\/a>\uff081\u6838CPU\u30012GB DDR4\u5185\u5b58\u300130GB SSD\u30011Mbps\u5e26\u5bbd\uff0c\u6708\u4ed8\u00a530\uff09\u4e0a\u4e3a\u4e00\u4e2a\u5728\u7ebf\u6559\u5b66\u5e73\u53f0\u90e8\u7f72\u5c4f\u5e55\u5171\u4eab\u670d\u52a1\u3002\u6559\u5e08\u9700\u8981\u5b9e\u65f6\u5206\u4eab\u5c4f\u5e55\u7ed9\u5b66\u751f\uff0c\u8986\u76d6\u4e1c\u5357\u4e9a\u591a\u4e2a\u5730\u533a\u3002\u901a\u8fc7Golang\u5b9e\u73b0\u7684MJPEG\u6d41\u670d\u52a1\uff0c\u6211\u4eec\u5b9e\u73b0\u4e86\u4f4e\u5ef6\u8fdf\u7684\u5c4f\u5e55\u4f20\u8f93\uff0c\u6ee1\u8db3\u4e86\u6559\u5b66\u9700\u6c42\u3002<\/p>\n<h2>\u6280\u672f\u539f\u7406\uff1aGolang\u4e0eMJPEG\u6d41\u5a92\u4f53<\/h2>\n<h3>MJPEG\u6d41<\/h3>\n<p>MJPEG\uff08Motion JPEG\uff09\u901a\u8fc7\u8fde\u7eed\u4f20\u8f93JPEG\u56fe\u50cf\u5e27\u5b9e\u73b0\u89c6\u9891\u6d41\u6548\u679c\u3002\u76f8\u6bd4\u4f9d\u8d56FFmpeg\u7684\u590d\u6742\u65b9\u6848\uff0cMJPEG\u8f7b\u91cf\u4e14\u65e0\u9700\u6d4f\u89c8\u5668\u63d2\u4ef6\uff0c\u9002\u5408\u7b80\u5355\u5b9e\u65f6\u573a\u666f\u3002<\/p>\n<h3>Golang\u4f18\u52bf<\/h3>\n<ul>\n<li><strong>\u9ad8\u5e76\u53d1<\/strong>\uff1aGolang\u7684goroutine\u652f\u6301\u9ad8\u6548\u5904\u7406\u591a\u5ba2\u6237\u7aef\u8fde\u63a5\u3002<\/li>\n<li><strong>\u8de8\u5e73\u53f0<\/strong>\uff1a\u901a\u8fc7<code>screenshot<\/code>\u5e93\u6355\u83b7\u5c4f\u5e55\uff0c\u517c\u5bb9\u591a\u79cd\u73af\u5883\u3002<\/li>\n<li><strong>\u4f4e\u8d44\u6e90\u5360\u7528<\/strong>\uff1a\u9002\u5408\u540e\u6d6a\u4e91\u7684\u8f7b\u91cfVPS\u90e8\u7f72\u3002<\/li>\n<\/ul>\n<h2>\u5b9e\u8df5\u6307\u5357\uff1a\u5728\u540e\u6d6a\u4e91VPS\u4e0a\u90e8\u7f72\u5c4f\u5e55\u6d41\u670d\u52a1<\/h2>\n<p>\u4ee5\u4e0b\u662f\u5728Ubuntu 20.04\u4e0a\u90e8\u7f72Golang\u5c4f\u5e55\u6d41\u670d\u52a1\u7684\u6b65\u9aa4\uff0c\u9002\u7528\u4e8e\u540e\u6d6a\u4e91VPS\u3002<\/p>\n<h3>\u6b65\u9aa41\uff1a\u73af\u5883\u51c6\u5907<\/h3>\n<p>\u5b89\u88c5Golang\uff1a<\/p>\n<pre><code class=\"language-bash\"># \u4e0b\u8f7d\u5e76\u5b89\u88c5Golang\r\nsudo apt update\r\nsudo apt install -y golang\r\n\r\n# \u9a8c\u8bc1\u7248\u672c\r\ngo version\r\n<\/code><\/pre>\n<p>\u5b89\u88c5<code>screenshot<\/code>\u5e93\uff1a<\/p>\n<pre><code class=\"language-bash\">go get github.com\/kbinani\/screenshot\r\n<\/code><\/pre>\n<h3>\u6b65\u9aa42\uff1a\u521b\u5efa\u9879\u76ee\u7ed3\u6784<\/h3>\n<p>\u521b\u5efa\u9879\u76ee\u76ee\u5f55\u5e76\u521d\u59cb\u5316\uff1a<\/p>\n<pre><code class=\"language-bash\">mkdir ~\/screen-stream\r\ncd ~\/screen-stream\r\ngo mod init screen-stream\r\n<\/code><\/pre>\n<h3>\u6b65\u9aa43\uff1a\u5b9e\u73b0\u6838\u5fc3\u4ee3\u7801<\/h3>\n<p><strong>\u5e27\u7f13\u5b58\u6a21\u5757\uff08frame_cache.go\uff09<\/strong>\uff1a<\/p>\n<pre><code class=\"language-go\">package main\r\n\r\nimport (\r\n    \"sync\"\r\n    \"time\"\r\n)\r\n\r\nvar (\r\n    frameCache     []byte\r\n    frameCacheTime time.Time\r\n    cacheMutex     sync.RWMutex\r\n)\r\n\r\nfunc updateFrameCache(frame []byte) {\r\n    cacheMutex.Lock()\r\n    defer cacheMutex.Unlock()\r\n    frameCache = frame\r\n    frameCacheTime = time.Now()\r\n}\r\n\r\nfunc getFrameCache() ([]byte, time.Time) {\r\n    cacheMutex.RLock()\r\n    defer cacheMutex.RUnlock()\r\n    return frameCache, frameCacheTime\r\n}\r\n<\/code><\/pre>\n<p><strong>\u5c4f\u5e55\u91c7\u96c6\u6a21\u5757\uff08capture_service.go\uff09<\/strong>\uff1a<\/p>\n<pre><code class=\"language-go\">package main\r\n\r\nimport (\r\n    \"bytes\"\r\n    \"image\/jpeg\"\r\n    \"time\"\r\n    \"github.com\/kbinani\/screenshot\"\r\n)\r\n\r\nvar screenBounds screenshot.Rect\r\nvar frameRate = 10\r\nvar quality = 80\r\n\r\nfunc startCaptureService() {\r\n    ticker := time.NewTicker(time.Second \/ time.Duration(frameRate))\r\n    defer ticker.Stop()\r\n    for range ticker.C {\r\n        img, err := screenshot.CaptureRect(screenBounds)\r\n        if err != nil {\r\n            continue\r\n        }\r\n        buf := new(bytes.Buffer)\r\n        jpeg.Encode(buf, img, &amp;jpeg.Options{Quality: quality})\r\n        updateFrameCache(buf.Bytes())\r\n    }\r\n}\r\n<\/code><\/pre>\n<p><strong>\u63a8\u6d41\u6a21\u5757\uff08stream_handler.go\uff09<\/strong>\uff1a<\/p>\n<pre><code class=\"language-go\">package main\r\n\r\nimport (\r\n    \"fmt\"\r\n    \"net\/http\"\r\n    \"time\"\r\n)\r\n\r\nfunc streamHandler(w http.ResponseWriter, r *http.Request) {\r\n    w.Header().Set(\"Content-Type\", \"multipart\/x-mixed-replace; boundary=frame\")\r\n    lastSent := time.Now()\r\n    for {\r\n        frame, frameTime := getFrameCache()\r\n        if frameTime.After(lastSent) {\r\n            fmt.Fprintf(w, \"Content-Type: image\/jpeg\\r\\nContent-Length: %d\\r\\n\\r\\n\", len(frame))\r\n            w.Write(frame)\r\n            w.Write([]byte(\"\\r\\n--frame\\r\\n\"))\r\n            if f, ok := w.(http.Flusher); ok {\r\n                f.Flush()\r\n            }\r\n            lastSent = frameTime\r\n        }\r\n        time.Sleep(time.Second \/ time.Duration(frameRate*2))\r\n        if r.Context().Err() != nil {\r\n            return\r\n        }\r\n    }\r\n}\r\n<\/code><\/pre>\n<p><strong>\u4e3b\u7a0b\u5e8f\uff08main.go\uff09<\/strong>\uff1a<\/p>\n<pre><code class=\"language-go\">package main\r\n\r\nimport (\r\n    \"log\"\r\n    \"net\/http\"\r\n    \"github.com\/kbinani\/screenshot\"\r\n)\r\n\r\nfunc main() {\r\n    if screenshot.NumActiveDisplays() &lt;= 0 {\r\n        log.Fatal(\"\u672a\u68c0\u6d4b\u5230\u663e\u793a\u5668\")\r\n    }\r\n    screenBounds = screenshot.GetDisplayBounds(0)\r\n    go startCaptureService()\r\n    http.HandleFunc(\"\/stream\", streamHandler)\r\n    http.HandleFunc(\"\/\", func(w http.ResponseWriter, r *http.Request) {\r\n        http.ServeFile(w, r, \"index.html\")\r\n    })\r\n    log.Println(\"\u670d\u52a1\u542f\u52a8\uff1ahttp:\/\/&lt;vps-ip&gt;:8080\")\r\n    log.Fatal(http.ListenAndServe(\":8080\", nil))\r\n}\r\n<\/code><\/pre>\n<p><strong>\u524d\u7aef\u9875\u9762\uff08index.html\uff09<\/strong>\uff1a<\/p>\n<pre><code class=\"language-html\">&lt;!DOCTYPE html&gt;\r\n&lt;html&gt;\r\n&lt;head&gt;\r\n    &lt;title&gt;\u5c4f\u5e55\u6d41\u5a92\u4f53&lt;\/title&gt;\r\n&lt;\/head&gt;\r\n&lt;body&gt;\r\n    &lt;h2&gt;\u5b9e\u65f6\u5c4f\u5e55\u5171\u4eab&lt;\/h2&gt;\r\n    &lt;img id=\"video\" src=\"\/stream\" alt=\"Stream\" \/&gt;\r\n    &lt;script&gt;\r\n        const video = document.getElementById('video');\r\n        video.onerror = () =&gt; {\r\n            setTimeout(() =&gt; {\r\n                video.src = '\/stream?t=' + Date.now();\r\n            }, 1000);\r\n        };\r\n    &lt;\/script&gt;\r\n&lt;\/body&gt;\r\n&lt;\/html&gt;\r\n<\/code><\/pre>\n<h3>\u6b65\u9aa44\uff1a\u7f16\u8bd1\u4e0e\u8fd0\u884c<\/h3>\n<p>\u7f16\u8bd1\u5e76\u8fd0\u884c\u670d\u52a1\uff1a<\/p>\n<pre><code class=\"language-bash\"># \u7f16\u8bd1\r\ngo build -o screen-stream\r\n\r\n# \u8fd0\u884c\r\n.\/screen-stream\r\n<\/code><\/pre>\n<p>\u8bbf\u95ee<code>http:\/\/&lt;vps-ip&gt;:8080<\/code>\u67e5\u770b\u6d41\u5a92\u4f53\u3002<\/p>\n<h3>\u6b65\u9aa45\uff1a\u4f18\u5316\u4e0e\u90e8\u7f72<\/h3>\n<ul>\n<li><strong>\u9632\u706b\u5899\u914d\u7f6e<\/strong>\uff1a<\/li>\n<\/ul>\n<pre><code class=\"language-bash\"># \u5f00\u653e8080\u7aef\u53e3\r\nsudo ufw allow 8080\/tcp\r\nsudo ufw enable\r\n<\/code><\/pre>\n<ul>\n<li><strong>\u540e\u53f0\u8fd0\u884c<\/strong>\uff1a<\/li>\n<\/ul>\n<pre><code class=\"language-bash\"># \u4f7f\u7528nohup\u8fd0\u884c\r\nnohup .\/screen-stream &amp;\r\n<\/code><\/pre>\n<h2>\u6280\u672f\u5bf9\u6bd4\uff1aMJPEG vs. WebRTC<\/h2>\n<ul>\n<li><strong>MJPEG<\/strong>\uff1a\u7b80\u5355\u8f7b\u91cf\uff0c\u9002\u5408\u540e\u6d6a\u4e91\u8f7b\u91cfVPS\uff08\u5982<a href=\"https:\/\/idc.net\/cloud-hk\">HK-1H2G<\/a>\uff09\uff0c\u65e0\u9700\u590d\u6742\u7f16\u7801\uff0c\u4f46\u5e26\u5bbd\u5360\u7528\u8f83\u9ad8\u3002<\/li>\n<li><strong>WebRTC<\/strong>\uff1a\u652f\u6301\u4f4e\u5ef6\u8fdf\u89c6\u9891\u6d41\uff0c\u9002\u5408\u591a\u65b9\u534f\u4f5c\uff0c\u4f46\u914d\u7f6e\u590d\u6742\uff0c\u8d44\u6e90\u9700\u6c42\u9ad8\u3002<\/li>\n<\/ul>\n<p>\u5728\u6848\u4f8b\u4e2d\uff0cMJPEG\u56e0\u5176\u7b80\u5355\u6027\u548c\u6d4f\u89c8\u5668\u517c\u5bb9\u6027\u66f4\u9002\u5408\u6559\u5b66\u573a\u666f\u3002<\/p>\n<h2>\u6280\u672f\u7ecf\u9a8c\u5206\u4eab<\/h2>\n<p>\u901a\u8fc7\u5728\u540e\u6d6a\u4e91VPS\u4e0a\u90e8\u7f72\u5c4f\u5e55\u6d41\u670d\u52a1\uff0c\u6211\u4eec\u4e3a\u6559\u5b66\u5e73\u53f0\u63d0\u4f9b\u4e86\u7a33\u5b9a\u7684\u5c4f\u5e55\u5171\u4eab\u529f\u80fd\u3002\u4ee5\u4e0b\u662f\u5173\u952e\u7ecf\u9a8c\uff1a<\/p>\n<ul>\n<li><strong>\u9ad8\u6027\u80fd\u786c\u4ef6<\/strong>\uff1a\u540e\u6d6a\u4e91\u7684SSD\u5b58\u50a8\uff08<a href=\"https:\/\/idc.net\/cloud-hk\">HK-1H2G<\/a>\uff09\u52a0\u901f\u4e86JPEG\u7f16\u7801\u3002<\/li>\n<li><strong>\u7f51\u7edc\u4f18\u52bf<\/strong>\uff1a\u540e\u6d6a\u4e91\u7684\u9999\u6e2f\u6570\u636e\u4e2d\u5fc3\uff08<a href=\"https:\/\/idc.net\/hk\">https:\/\/idc.net\/hk<\/a>\uff09\u786e\u4fdd\u4f4e\u5ef6\u8fdf\u4f20\u8f93\u3002<\/li>\n<li><strong>\u7b80\u6613\u90e8\u7f72<\/strong>\uff1aGolang\u7684\u5355\u4e00\u4e8c\u8fdb\u5236\u6587\u4ef6\u7b80\u5316\u4e86\u90e8\u7f72\u6d41\u7a0b\u3002<\/li>\n<li><strong>\u7a33\u5b9a\u6027<\/strong>\uff1a\u81ea\u52a8\u65ad\u7ebf\u91cd\u8fde\u673a\u5236\u589e\u5f3a\u4e86\u7528\u6237\u4f53\u9a8c\u3002<\/li>\n<\/ul>\n<p>\u8fdb\u4e00\u6b65\u8d44\u6e90\u53ef\u53c2\u8003Golang\u6587\u6863\u6216<a href=\"https:\/\/idc.net\/\">\u540e\u6d6a\u4e91\u6280\u672f\u652f\u6301<\/a>\u3002<\/p>\n<h2>\u603b\u7ed3<\/h2>\n<p>\u901a\u8fc7Golang\u548cMJPEG\uff0c\u6211\u4eec\u5728\u540e\u6d6a\u4e91VPS\u4e0a\u5feb\u901f\u6784\u5efa\u4e86\u9ad8\u6548\u7684\u5c4f\u5e55\u6d41\u5a92\u4f53\u670d\u52a1\u3002\u7ed3\u5408\u540e\u6d6a\u4e91\u7684\u9ad8\u6027\u80fd\u786c\u4ef6\u548c\u4f4e\u5ef6\u8fdf\u7f51\u7edc\uff0c\u5f00\u53d1\u8005\u548c\u7cfb\u7edf\u7ba1\u7406\u5458\u53ef\u8f7b\u677e\u5b9e\u73b0\u5b9e\u65f6\u5c4f\u5e55\u5171\u4eab\uff0c\u6ee1\u8db3\u8fdc\u7a0b\u534f\u4f5c\u548c\u6559\u80b2\u9700\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5f15\u8a00 \u5b9e\u65f6\u5c4f\u5e55\u6d41\u5a92\u4f53\u5728\u8fdc\u7a0b\u534f\u4f5c\u3001\u5728\u7ebf\u6559\u80b2\u548c\u76d1\u63a7\u573a\u666f\u4e2d\u9700\u6c42\u65e5\u76ca\u589e\u957f\u3002Golang\u4ee5\u5176\u9ad8\u5e76\u53d1\u548c\u8f7b\u91cf\u7279\u6027\uff0c\u6210\u4e3a\u6784\u5efa\u4f4e [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[182396],"tags":[],"class_list":["post-441796","post","type-post","status-publish","format-standard","hentry","category-go"],"_links":{"self":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/441796","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/comments?post=441796"}],"version-history":[{"count":0,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/441796\/revisions"}],"wp:attachment":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/media?parent=441796"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/categories?post=441796"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/tags?post=441796"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}