这篇文章主要介绍js如何实现websocket实例,文中介绍的非常详细,具有一定的参考价值,感兴趣的小伙伴们一定要看完!
<!-- websocket 接口 --><script type="text/javascript">var websocket_url = 'ws://127.0.0.1:' + "{$Think.config.prompt_service.ws_port}";var admin_userid = "{$Think.const.UID}";var socket_type = JSON.parse('{$mginfo.socket_type|default=[]|json_encode}');</script><script src="__JS__/socket_notify.js?v=20191018"></script>
socket_notify.js
var ws_text = document.location.protocol == 'https:' ? 'wss' : 'ws';
websocket_url = ws_text + '://' + window.location.host + '/socket.io/';
var socket = new WebSocket(websocket_url);
//连接成功时触发
socket.onopen = function() {
console.log('connected to server!');
// 登录
socket.send(JSON.stringify({
type: 'login',
uid: admin_userid,
}));
setInterval(function() {
console.log('Hello!');
socket.send('Hello!');
}, 30000)
};
var socket_func = {};
//监听收到的消息
socket.onmessage = function(res) {
let Sound = false;
let alerttitle = false;
let alerttext = false;
let alertlocal = false;
let content = '';
let func = '';
var data = JSON.parse(res.data);
console.log(data);
var type = data.type;
try {
content = JSON.parse(data.data);
} catch (err) {
content = data.data;
}
const alert_check = data.alert;
switch (type) {
case 'newCpOrder':
func = type;
Sound = 1;
alerttitle = '新公司入款订单';
alerttext = '订单ID:' + content.id;
alertlocal = '/cp_recharge/index.html';
break;
case 'newAgentOrder':
func = 'newTxOrder';
Sound = 2;
alerttitle = '新代理出款订单';
alerttext = '订单ID:' + content.id;
alertlocal = '/exchange/index.html';
break;
}
if (alert_check) {
if ((!socket_type[type] || socket_type[type]['sound'] === 1) && Sound !== false) {
playSound(Sound);
}
if ((!socket_type[type] || socket_type[type]['text'] === 1) && alerttitle !== false) {
notify(alerttitle, alerttext, alertlocal);
}
}
// 执行方法
if (func) {
try {
socket_func[func](content);
} catch (err) {
console.log('没有当前方法' + func);
}
}
};
// 断开
socket.onclose = function(e) {
console.log('websocket 断开: ' + e.code + ' ' + e.reason + ' ' + e.wasClean)
console.log(e);
}
var Notification = window.Notification || window.webkitNotification || window.mozNotification;
var stopSound = function() {};
// 播放声音
var playSound = function(type) {
var audio_id = 'recharge_audio';
switch (type) {
case 1:
audio_id = 'recharge_audio';
break;
case 2:
audio_id = 'withdraw_audio';
break;
case 3:
audio_id = 'withdraw_audio';
break;
case 4:
audio_id = 'untreated_recharge';
break;
case 5:
audio_id = 'untreated_withdraw';
break;
case 6:
audio_id = 'large_recharge';
break;
default:
}
var audio = document.getElementById(audio_id);
audio.currentTime = 0;
audio.play();
};
var notify = function() {};
// web 页面通知
if (Notification) {
Notification.requestPermission().then(function(permission) {
if (permission === 'granted') {
notify = function(title, content, url) {
var options = {
body: content,
};
var instance = new Notification(title, options);
instance.onshow = function() {
setTimeout(function() {
instance.close();
}, 18000);
};
instance.onclick = function() {
window.open(url);
};
};
window.notify = notify;
}
});
}
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原文链接:https://my.oschina.net/owenzhang24/blog/5010630