{"id":36068,"date":"2025-05-07T15:52:00","date_gmt":"2025-05-07T07:52:00","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/36068.html"},"modified":"2025-05-07T15:52:00","modified_gmt":"2025-05-07T07:52:00","slug":"%e7%94%a8vue3%e6%98%be%e7%a4%bawebsocket%e7%9a%84%e7%8a%b6%e6%80%81","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/36068.html","title":{"rendered":"\u7528vue3\u663e\u793awebsocket\u7684\u72b6\u6001"},"content":{"rendered":"

\u5728\u4e0a\u6b21vue3\u9879\u76ee\u4e0a\u589e\u52a0\u4e00\u4e2a\u6807\u7b7e，\u663e\u793a\u5f53\u524d\u7684\u8fde\u63a5\u72b6\u6001，\u4e24\u4e2a\u6309\u94ae:\u91cd\u65b0\u8fde\u63a5 \u548c \u65ad\u5f00\u8fde\u63a5<\/p>\n

\u4fee\u6539App.vue<\/h4>\n

<<\/span>template><\/span>
\n <<\/span>header><\/span>
\n <<\/span>title><\/span>ws\u72b6\u6001\u6d4b\u8bd5<<\/span>\/<\/span>title><\/span>
\n <<\/span>\/<\/span>header><\/span><\/p>\n

<<\/span>main><\/span>
\n <<\/span>WsStatus \/<\/span>><\/span>
\n <<\/span>\/<\/span>main><\/span>
\n<<\/span>\/<\/span>template><\/span><\/p>\n

<<\/span>script setup lang=<\/span>"ts"<\/span>><\/span>
\nimport<\/span> WsStatus from<\/span> '.\/components\/WsStatus.vue'<\/span>
\n<<\/span>\/<\/span>script><\/span><\/p>\n

<<\/span>style scoped><\/span>
\nheader {<\/span>
\n line–<\/span>height:<\/span> 1.5<\/span>;<\/span>
\n}<\/span><\/p>\n

.<\/span>logo {<\/span>
\n display<\/span>:<\/span> block;<\/span>
\n margin<\/span>:<\/span> 0<\/span> auto 2rem;<\/span>
\n}<\/span><\/p>\n

@media<\/span> (<\/span>min–<\/span>width:<\/span> 1024px<\/span>)<\/span> {<\/span>
\n header {<\/span>
\n display<\/span>:<\/span> flex;<\/span>
\n place–<\/span>items:<\/span> center;<\/span>
\n padding–<\/span>right:<\/span> calc<\/span>(<\/span>var<\/span>(<\/span>—<\/span>section–<\/span>gap)<\/span> \/<\/span> 2<\/span>)<\/span>;<\/span>
\n }<\/span><\/p>\n

.<\/span>logo {<\/span>
\n margin<\/span>:<\/span> 0<\/span> 2rem 0<\/span> 0<\/span>;<\/span>
\n }<\/span><\/p>\n

header .<\/span>wrapper {<\/span>
\n display<\/span>:<\/span> flex;<\/span>
\n place–<\/span>items:<\/span> flex–<\/span>start;<\/span>
\n flex–<\/span>wrap:<\/span> wrap;<\/span>
\n }<\/span>
\n}<\/span>
\n<<\/span>\/<\/span>style><\/span><\/p>\n

WsStatus.vue<\/h4>\n

\u521b\u5efa\u4e00\u4e2a\u7ec4\u4ef6WsStatus.vue<\/p>\n

<<\/span>template><\/span>
\n <<\/span>div class=<\/span>"WsStatus"<\/span>><\/span>
\n <<\/span>h1><\/span>WebSocket \u6d4b\u8bd5<<\/span>\/<\/span>h1><\/span>
\n <<\/span>div class=<\/span>"status"<\/span>><\/span>
\n \u8fde\u63a5\u72b6\u6001:<\/span> <<\/span>span :<\/span>class=<\/span>"statusClass"<\/span>><\/span>{<\/span>{<\/span> connectionStatus }<\/span>}<\/span><<\/span>\/<\/span>span><\/span>
\n <<\/span>\/<\/span>div><\/span>
\n <<\/span>button @click=<\/span>"reconnect"<\/span> :<\/span>disabled=<\/span>"isConnecting"<\/span>><\/span>
\n {<\/span>{<\/span> isConnecting ?<\/span> '\u8fde\u63a5\u4e2d…'<\/span> :<\/span> '\u91cd\u65b0\u8fde\u63a5'<\/span> }<\/span>}<\/span>
\n <<\/span>\/<\/span>button><\/span>
\n <<\/span>button @click=<\/span>"closeConnect"<\/span> :<\/span>disabled=<\/span>"connectStatus"<\/span>><\/span>\u65ad\u5f00\u8fde\u63a5<<\/span>\/<\/span>button><\/span>
\n <<\/span>canvas><\/span><<\/span>\/<\/span>canvas><\/span>
\n <<\/span>\/<\/span>div><\/span>
\n<<\/span>\/<\/span>template><\/span><\/p>\n

<<\/span>script setup lang=<\/span>"ts"<\/span> name=<\/span>"WsStatus"<\/span>><\/span>
\nimport {<\/span> ref,<\/span> onMounted,<\/span> onUnmounted }<\/span> from 'vue'<\/span><\/p>\n

const<\/span> ws =<\/span> ref<\/span>(<\/span>)<\/span>
\nconst<\/span> imageUrl =<\/span> ref<\/span>(<\/span>)<\/span>
\nconst<\/span> connectionStatus =<\/span> ref<\/span>(<\/span>'\u672a\u8fde\u63a5'<\/span>)<\/span>
\nconst<\/span> isConnecting =<\/span> ref<\/span>(<\/span>false)<\/span>
\nconst<\/span> connectStatus =<\/span> ref<\/span>(<\/span>false)<\/span>
\nconst<\/span> statusClass =<\/span> ref<\/span>(<\/span>'disconnected'<\/span>)<\/span><\/p>\n

function get_appropriate_ws_url<\/span>(<\/span>extra_url:<\/span> string)<\/span> {<\/span>
\n var pcol;<\/span>
\n \/\/ \u83b7\u5f97\u9875\u9762\u4e0a\u7684url<\/span>
\n var u =<\/span> document.<\/span>URL;<\/span><\/p>\n

\/*
\n * We open the websocket encrypted if this page came on an
\n * https:\/\/ url itself, otherwise unencrypted
\n *\/<\/span><\/p>\n

\/\/ \u53bb\u6389http:\/\/\u6216\u8005https:\/\/<\/span>
\n if<\/span> (<\/span>u.<\/span>substring<\/span>(<\/span>0<\/span>,<\/span> 5<\/span>)<\/span> ==<\/span>=<\/span> "https"<\/span>)<\/span> {<\/span>
\n pcol =<\/span> "wss:\/\/"<\/span>;<\/span>
\n u =<\/span> u.<\/span>substr<\/span>(<\/span>8<\/span>)<\/span>;<\/span>
\n }<\/span> else<\/span> {<\/span>
\n pcol =<\/span> "ws:\/\/"<\/span>;<\/span>
\n if<\/span> (<\/span>u.<\/span>substring<\/span>(<\/span>0<\/span>,<\/span> 4<\/span>)<\/span> ==<\/span>=<\/span> "http"<\/span>)<\/span>
\n u =<\/span> u.<\/span>substr<\/span>(<\/span>7<\/span>)<\/span>;<\/span>
\n }<\/span><\/p>\n

\/* + "\/xxx" bit is for IE10 workaround *\/<\/span><\/p>\n

\/\/\u56de\u6765\u7684url\u5c31\u57ce\u4e86ws:\/\/\u5730\u5740\u6216\u8005wss:\/\/\u5730\u5740<\/span>
\n return<\/span> pcol +<\/span> u.<\/span>split<\/span>(<\/span>'\/'<\/span>)<\/span>[<\/span>0<\/span>]<\/span> +<\/span> "\/"<\/span> +<\/span> extra_url;<\/span>
\n}<\/span><\/p>\n

\/\/ WebSocket\u914d\u7f6e（\u4fee\u6539\u4e3a\u4f60\u7684\u670d\u52a1\u5668\u5730\u5740）<\/span>
\nconst<\/span> wsUrl =<\/span> get_appropriate_ws_url<\/span>(<\/span>""<\/span>)<\/span><\/p>\n

const<\/span> connectWebSocket =<\/span> (<\/span>)<\/span> =<\/span>><\/span> {<\/span>
\n if<\/span> (<\/span>isConnecting.<\/span>value)<\/span> return<\/span><\/p>\n

isConnecting.<\/span>value =<\/span> true
\n connectionStatus.<\/span>value =<\/span> '\u8fde\u63a5\u4e2d…'<\/span>
\n statusClass.<\/span>value =<\/span> 'connecting'<\/span><\/p>\n

ws.<\/span>value =<\/span> new WebSocket<\/span>(<\/span>wsUrl)<\/span><\/p>\n

ws.<\/span>value.<\/span>onopen =<\/span> (<\/span>)<\/span> =<\/span>><\/span> {<\/span>
\n connectionStatus.<\/span>value =<\/span> '\u5df2\u8fde\u63a5'<\/span>
\n statusClass.<\/span>value =<\/span> 'connected'<\/span>
\n isConnecting.<\/span>value =<\/span> false
\n connectStatus.<\/span>value =<\/span> false
\n }<\/span><\/p>\n

ws.<\/span>value.<\/span>onmessage =<\/span> (<\/span>event:<\/span> any)<\/span> =<\/span>><\/span> {<\/span>
\n console.<\/span>log<\/span>(<\/span>'\u6536\u5230\u6570\u636e'<\/span>)<\/span><\/p>\n

}<\/span><\/p>\n

ws.<\/span>value.<\/span>onerror =<\/span> (<\/span>error:<\/span> any)<\/span> =<\/span>><\/span> {<\/span>
\n console.<\/span>error<\/span>(<\/span>'WebSocket\u9519\u8bef:'<\/span>,<\/span> error)<\/span>
\n connectionStatus.<\/span>value =<\/span> '\u8fde\u63a5\u9519\u8bef'<\/span>
\n statusClass.<\/span>value =<\/span> 'error'<\/span>
\n isConnecting.<\/span>value =<\/span> false
\n }<\/span><\/p>\n

ws.<\/span>value.<\/span>onclose =<\/span> (<\/span>)<\/span> =<\/span>><\/span> {<\/span>
\n connectionStatus.<\/span>value =<\/span> '\u8fde\u63a5\u5df2\u5173\u95ed'<\/span>
\n statusClass.<\/span>value =<\/span> 'disconnected'<\/span>
\n isConnecting.<\/span>value =<\/span> false
\n connectStatus.<\/span>value =<\/span> true
\n }<\/span>
\n}<\/span><\/p>\n

\/\/ \u7ec4\u4ef6\u6302\u8f7d\u65f6\u81ea\u52a8\u8fde\u63a5<\/span>
\nonMounted<\/span>(<\/span>(<\/span>)<\/span> =<\/span>><\/span> {<\/span>
\n connectWebSocket<\/span>(<\/span>)<\/span>
\n}<\/span>)<\/span><\/p>\n

\/\/ \u7ec4\u4ef6\u5378\u8f7d\u65f6\u5173\u95ed\u8fde\u63a5<\/span>
\nonUnmounted<\/span>(<\/span>(<\/span>)<\/span> =<\/span>><\/span> {<\/span>
\n if<\/span> (<\/span>ws.<\/span>value)<\/span> {<\/span>
\n ws.<\/span>value.<\/span>close<\/span>(<\/span>)<\/span>
\n }<\/span>
\n}<\/span>)<\/span><\/p>\n

function reconnect<\/span>(<\/span>)<\/span> {<\/span>
\n if<\/span> (<\/span>ws.<\/span>value)<\/span> {<\/span>
\n ws.<\/span>value.<\/span>close<\/span>(<\/span>)<\/span>
\n }<\/span>
\n connectWebSocket<\/span>(<\/span>)<\/span>
\n}<\/span><\/p>\n

function closeConnect<\/span>(<\/span>)<\/span> {<\/span>
\n if<\/span> (<\/span>ws.<\/span>value)<\/span> {<\/span>
\n ws.<\/span>value.<\/span>close<\/span>(<\/span>)<\/span>
\n }<\/span>
\n}<\/span><\/p>\n

<<\/span>\/<\/span>script><\/span><\/p>\n

<<\/span>style scoped><\/span>
\n.<\/span>websocket–<\/span>page {<\/span>
\n padding:<\/span> 20<\/span>px;<\/span>
\n max–<\/span>width:<\/span> 800<\/span>px;<\/span>
\n margin:<\/span> 0<\/span> auto<\/span>;<\/span>
\n}<\/span><\/p>\n

.<\/span>status {<\/span>
\n margin:<\/span> 20<\/span>px 0<\/span>;<\/span>
\n font–<\/span>size:<\/span> 18<\/span>px;<\/span>
\n}<\/span><\/p>\n

.<\/span>status span {<\/span>
\n font–<\/span>weight:<\/span> bold;<\/span>
\n}<\/span><\/p>\n

.<\/span>connected {<\/span>
\n color:<\/span> #4<\/span>CAF50;<\/span>
\n}<\/span><\/p>\n

.<\/span>connecting {<\/span>
\n color:<\/span> #FFC107;<\/span>
\n}<\/span><\/p>\n

.<\/span>disconnected {<\/span>
\n color:<\/span> #F44336;<\/span>
\n}<\/span><\/p>\n

.<\/span>error {<\/span>
\n color:<\/span> #F44336;<\/span>
\n}<\/span><\/p>\n

button {<\/span>
\n padding:<\/span> 10<\/span>px 20<\/span>px;<\/span>
\n background–<\/span>color:<\/span> #2196F<\/span>3<\/span>;<\/span>
\n color:<\/span> white;<\/span>
\n border:<\/span> none;<\/span>
\n border–<\/span>radius:<\/span> 4<\/span>px;<\/span>
\n cursor:<\/span> pointer;<\/span>
\n}<\/span><\/p>\n

button:<\/span>disabled {<\/span>
\n background–<\/span>color:<\/span> #BBDEFB;<\/span>
\n cursor:<\/span> not–<\/span>allowed;<\/span>
\n}<\/span><\/p>\n

.<\/span>messages {<\/span>
\n margin–<\/span>top:<\/span> 30<\/span>px;<\/span>
\n border–<\/span>top:<\/span> 1<\/span>px solid #eee;<\/span>
\n padding–<\/span>top:<\/span> 20<\/span>px;<\/span>
\n background–<\/span>size:<\/span> 100<\/span>%<\/span> 100<\/span>%<\/span>;<\/span>
\n}<\/span><\/p>\n

ul {<\/span>
\n list–<\/span>style–<\/span>type:<\/span> none;<\/span>
\n padding:<\/span> 0<\/span>;<\/span>
\n max–<\/span>height:<\/span> 300<\/span>px;<\/span>
\n overflow–<\/span>y:<\/span> auto<\/span>;<\/span>
\n border:<\/span> 1<\/span>px solid #ddd;<\/span>
\n padding:<\/span> 10<\/span>px;<\/span>
\n border–<\/span>radius:<\/span> 4<\/span>px;<\/span>
\n}<\/span><\/p>\n

li {<\/span>
\n padding:<\/span> 5<\/span>px 0<\/span>;<\/span>
\n border–<\/span>bottom:<\/span> 1<\/span>px solid #eee;<\/span>
\n}<\/span><\/p>\n

.<\/span>live–<\/span>image {<\/span>
\n position:<\/span> fixed;<\/span>
\n top:<\/span> 50<\/span>%<\/span>;<\/span>
\n left:<\/span> 50<\/span>%<\/span>;<\/span>
\n width:<\/span> 100<\/span>vw;<\/span>
\n \/* \u6839\u636e\u9700\u8981\u8bbe\u7f6e\u5bbd\u5ea6 *\/<\/span>
\n height:<\/span> 100<\/span>vw;<\/span><\/p>\n

object–<\/span>fit:<\/span> cover;<\/span>
\n transform:<\/span> translate<\/span>(<\/span>–<\/span>50<\/span>%<\/span>,<\/span> –<\/span>50<\/span>%<\/span>)<\/span>;<\/span>
\n}<\/span><\/p>\n

#<\/span>cam<\/span>Image,<\/span><\/span><\/span>
\n#<\/span>canvas<\/span> {<\/span><\/span><\/span>
\n position:<\/span> fixed;<\/span>
\n left:<\/span> 0<\/span>;<\/span>
\n top:<\/span> 0<\/span>;<\/span>
\n width:<\/span> 100<\/span>%<\/span>;<\/span>
\n \/* height: 100%; *\/<\/span>
\n z–<\/span>index:<\/span> –<\/span>1<\/span>;<\/span>
\n}<\/span><\/p>\n

\/* \u7ad6\u5c4f *\/<\/span>
\n@media screen and<\/span> (<\/span>orientation:<\/span> portrait)<\/span> {<\/span>}<\/span><\/p>\n

\/* \u6a2a\u5c4f *\/<\/span>
\n@media screen and<\/span> (<\/span>orientation:<\/span> landscape)<\/span> {<\/span>}<\/span>
\n<<\/span>\/<\/span>style><\/span><\/p>\n

\u7f16\u8bd1\u6253\u5305\u4e0a\u4f20\u90e8\u7f72<\/h4>\n

$ npm<\/span> run build
\n$ scp<\/span> -r<\/span> .\/dist\/* root@192.168.9.163:\/oem\/usr\/www<\/p>\n

\u6d4b\u8bd5<\/h4>\n

\u5728rv1106\u6444\u50cf\u5934\u6253\u5f00\u8fd0\u884cws\u670d\u52a1\u5668<\/p>\n

# \/oem\/usr\/bin\/ws_cam<\/span><\/p>\n

\u6d4f\u89c8\u5668\u8bbf\u95ee http:\/\/192.168.9.163:7681\/ \u770b\u5230\u76f8\u5e94\u9875\u9762，\u6309\u6309\u952e\u4f1a\u6709\u76f8\u5e94\u7684\u53d8\u6362\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

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