websocket中服务器下发了二进制数据,可以这样解析
<script type="text/javascript">
function binaryData(ev) {
return JSON.parse(new TextDecoder("utf-8").decode(new Uint8Array(ev.data)))
}
var ws = new WebSocket('ws://127.0.0.1:3653')
ws.binaryType = 'arraybuffer';
ws.onopen = function() {
// 发送 Hello 消息
ws.send(JSON.stringify({Hello: {
Name: 'leaf'
}}))
}
ws.onmessage = function (ev) {
console.log(binaryData(ev))
}
</script>