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remote_car.html
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remote_car.html
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<!DOCTYPE html>
<html lang="zh-cn">
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link href="https://cdn.staticfile.org/twitter-bootstrap/5.0.2/css/bootstrap.min.css" rel="stylesheet">
<script src="https://cdn.staticfile.org/mqtt/2.18.3/mqtt.min.js"></script>
<script src="js/inflate.min.js" type="text/javascript"></script>
</head>
<body>
<h1 align="center">远程控制</h1>
<div class="container">
<div class="row row-cols-3 ">
<div class="col d-grid">
<button class="btn btn-primary" type="button"
ontouchstart='cs("f","l")' onmousedown='cs("f","l")' onmouseup='cs("s","s")' ontouchmove='cs("s","s")' ontouchend='cs("s","s")'>↖</button>
</div>
<div class="col d-grid">
<button class="btn btn-success" type="button"
ontouchstart='cs("f","s")' onmousedown='cs("f","s")' onmouseup='cs("s","s")' ontouchmove='cs("s","s")' ontouchend='cs("s","s")'>↑</button>
</div>
<div class="col d-grid">
<button class="btn btn-primary" type="button"
ontouchstart='cs("f","r")' onmousedown='cs("f","r")' onmouseup='cs("s","s")' ontouchmove='cs("s","s")' ontouchend='cs("s","s")'>↗</button>
</div>
<div class="col d-grid">
<button class="btn btn-success" type="button"
ontouchstart='cs("s","l")' onmousedown='cs("s","l")' onmouseup='cs("s","s")' ontouchmove='cs("s","s")' ontouchend='cs("s","s")'>←</button>
</div>
<div class="col d-grid">
<button class="btn btn-danger" type="button"
ontouchstart='cs("s","s")' onmousedown='cs("s","s")' onmouseup='cs("s","s")' ontouchmove='cs("s","s")' ontouchend='cs("s","s")'>停</button>
</div>
<div class="col d-grid">
<button class="btn btn-success" type="button"
ontouchstart='cs("s","r")' onmousedown='cs("s","r")' onmouseup='cs("s","s")' ontouchmove='cs("s","s")' ontouchend='cs("s","s")'>→</button>
</div>
<div class="col d-grid">
<button class="btn btn-primary" type="button"
ontouchstart='cs("b","l")' onmousedown='cs("b","l")' onmouseup='cs("s","s")' ontouchmove='cs("s","s")' ontouchend='cs("s","s")'>↙</button>
</div>
<div class="col d-grid">
<button class="btn btn-success" type="button"
ontouchstart='cs("b","s")' onmousedown='cs("b","s")' onmouseup='cs("s","s")' ontouchmove='cs("s","s")' ontouchend='cs("s","s")'>↓</button>
</div>
<div class="col d-grid">
<button class="btn btn-primary" type="button"
ontouchstart='cs("b","r")' onmousedown='cs("b","r")' onmouseup='cs("s","s")' ontouchmove='cs("s","s")' ontouchend='cs("s","s")'>↘</button>
</div>
</div>
</div>
<br>
<img id="my-img" width="500"/>
<script>
var imei = window.location.href;
if (imei.indexOf("?") >= 0)
imei = imei.substring(imei.indexOf("?")+1);
if(imei.length != 15)
{
window.location.href =
"http://chenxuuu.gitee.io/lua-online/remote_car.html?"+
prompt("imei不对，请手动输入imei：");
}
var connected = false;
var client = mqtt.connect("ws://lbsmqtt.airm2m.com:8084/mqtt", {
clean: true,
connectTimeout: 4000,
clientId: 'adsaafssdf'+Math.random(),
username: 'user',
password: 'passward',
});
client.on('connect', (r) => {
console.log('已连接:', r);
connected = true;
client.subscribe('photo/'+imei);
});
client.on('error', (error) => {
console.log('连接失败:', error);
});
client.on('message', (topic, message) => {
console.log('收到消息：', topic, message);
if('photo/'+imei)
{
var buff = Uint8Array.from(Array.from(message));
document.getElementById('my-img').src = URL.createObjectURL(
new Blob([buff.buffer], { type: 'image/jpeg' } )
);
}
});
var go = "s";
var way = "s";
var go_last = "s";
var way_last = "s";
function cs(g,w){
go = g;
way = w;
}
setInterval(function () {
if(way != way_last)
{
if(way == "l")
{
client.publish("remote/"+imei,"right,off");
client.publish("remote/"+imei,"left,on");
}
else if(way == "r")
{
client.publish("remote/"+imei,"left,off");
client.publish("remote/"+imei,"right,on");
}
else if(way == "s")
{
client.publish("remote/"+imei,"left,off");
client.publish("remote/"+imei,"right,off");
}
}
if(go != go_last && go == "s")
{
client.publish("remote/"+imei,"go,off");
client.publish("remote/"+imei,"back,off");
}
if(go == "f")
{
client.publish("remote/"+imei,"go,on");
}
else if(go == "b")
{
client.publish("remote/"+imei,"back,on");
}
way_last = way;
go_last = go;
},100);
</script>
</body>
</html>