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使用WebSocket实时显示多个币安交易对价格及24小时涨跌幅。
// ==UserScript==
// @name 币安盯盘助手
// @namespace http://tampermonkey.net/
// @version 1.8.6
// @description 使用WebSocket实时显示多个币安交易对价格及24小时涨跌幅。
// @author Grok
// @match *://*/*
// @grant GM_setValue
// @grant GM_getValue
// @licens MII
// ==/UserScript==
(() => {
'use strict';
const CONFIG = {
WS_URL: 'wss://stream.binance.com:9443/ws',
RECONNECT_DELAY: 2000,
INITIAL_TOP: 15,
INITIAL_RIGHT: 15,
WIDTH: 200,
PADDING: 12,
DEFAULT_PAIRS: ['ethusdt'],
MAX_PAIRS: 10,
STORAGE_KEY: 'binance_tracker_pairs'
};
if (document.getElementById('price-tracker')) return;
const utils = {
savePairs: pairs => GM_setValue(CONFIG.STORAGE_KEY, JSON.stringify(pairs)),
loadPairs: () => JSON.parse(GM_getValue(CONFIG.STORAGE_KEY) || JSON.stringify(CONFIG.DEFAULT_PAIRS))
};
const ui = {
wsSubscriptions: new Map(),
isDragging: false,
offsetX: 0,
offsetY: 0,
init() {
this.container = Object.assign(document.createElement('div'), {
id: 'price-tracker',
style: `top:${CONFIG.INITIAL_TOP}px;right:${CONFIG.INITIAL_RIGHT}px;min-width:${CONFIG.WIDTH}px;padding:${CONFIG.PADDING}px`
});
this.container.innerHTML = `
<div class="header">
<span class="title">币安助手</span>
<span class="settings-btn">⚙️</span>
</div>
<div class="pairs-container"></div>
<div class="settings-panel" style="display:none">
<input type="text" class="pair-input" placeholder="输入交易对 (如 btcusdt)">
<button class="add-pair-btn">添加</button>
</div>
`;
this.settingsBtn = this.container.querySelector('.settings-btn');
this.settingsPanel = this.container.querySelector('.settings-panel');
this.pairsContainer = this.container.querySelector('.pairs-container');
this.pairInput = this.settingsPanel.querySelector('.pair-input');
this.addPairBtn = this.settingsPanel.querySelector('.add-pair-btn');
document.body.appendChild(this.container);
this.injectStyles();
this.addEventListeners();
utils.loadPairs().forEach(pair => this.addPair(pair));
},
injectStyles() {
document.head.appendChild(Object.assign(document.createElement('style'), {
textContent: `
#price-tracker{position:fixed;background:linear-gradient(145deg,#2d3236,#202529);border:1px solid rgba(255,255,255,0.05);border-radius:14px;box-shadow:0 10px 28px rgba(0,0,0,0.4),0 1px 4px rgba(0,0,0,0.3);z-index:9999;font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;cursor:grab;user-select:none;overflow:hidden;backdrop-filter:blur(10px);animation:fadeIn 0.3s ease-out}
#price-tracker:hover{box-shadow:0 14px 36px rgba(0,0,0,0.45),0 2px 6px rgba(0,0,0,0.35);transition:box-shadow 0.2s ease}
.header{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px}
.title{color:#f0b90b;font-size:20px;font-weight:600;letter-spacing:0.5px;text-shadow:0 1px 1px rgba(0,0,0,0.2)}
.settings-btn{font-size:px;color:#f0b90b;cursor:pointer;padding:4px;border-radius:50%;background:rgba(255,255,255,0.06);transition:all 0.25s cubic-bezier(0.4,0,0.2,1);box-shadow:0 1px 3px rgba(0,0,0,0.2)}
.settings-btn:hover{transform:rotate(90deg) scale(1.2);background:rgba(255,255,255,0.14);box-shadow:0 2px 5px rgba(0,0,0,0.25)}
.pairs-container{max-height:240px;overflow:hidden}
.pair-item{margin-bottom:12px;padding:8px;border-radius:10px;background:rgba(255,255,255,0.05);position:relative;transition:all 0.25s cubic-bezier(0.4,0,0.2,1);animation:slideIn 0.3s ease-out;box-shadow:0 1px 3px rgba(0,0,0,0.15)}
.pair-item:hover{background:rgba(255,255,255,0.08);box-shadow:0 3px 6px rgba(0,0,0,0.2)}
.remove-btn{position:absolute;top:6px;right:6px;font-size:12px;color:#ff6666;cursor:pointer;opacity:0;transition:all 0.25s cubic-bezier(0.4,0,0.2,1);background:rgba(255,102,102,0.12);border-radius:50%;width:18px;height:18px;display:flex;align-items:center;justify-content:center;box-shadow:0 1px 1px rgba(0,0,0,0.2)}
.pair-item:hover .remove-btn{opacity:1;transform:rotate(90deg)}
.remove-btn:hover{background:rgba(255,102,102,0.25);color:#ff8888;transform:rotate(180deg) scale(1.15)}
.price-header{display:flex;align-items:center;gap:8px;margin-bottom:6px}
.symbol{color:#f0b90b;font-size:14px;font-weight:700;text-transform:uppercase;letter-spacing:0.5px;text-shadow:0 1px 1px rgba(0,0,0,0.2)}
.price-container{display:flex;align-items:center;justify-content:space-between;gap:12px}
.price-value{color:#fff;font-weight:700;font-size:20px;letter-spacing:-0.5px;text-shadow:0 1px 3px rgba(0,0,0,0.3);transition:color 0.4s ease}
.price-value.updated-up{animation:pricePulseUp 0.4s ease-in-out}
.price-value.updated-down{animation:pricePulseDown 0.4s ease-in-out}
.change-24h{font-weight:600;font-size:13px;padding:4px 8px;border-radius:8px;background:rgba(255,255,255,0.08);box-shadow:inset 0 1px 2px rgba(0,0,0,0.15),0 1px 1px rgba(0,0,0,0.1);transition:all 0.25s cubic-bezier(0.4,0,0.2,1)}
.change-24h:hover{transform:scale(1.1);box-shadow:inset 0 1px 2px rgba(0,0,0,0.2),0 2px 3px rgba(0,0,0,0.15)}
.positive{color:#00ee00}.negative{color:#ff6666}
.price-time{color:#c0c8d0;font-size:11px;margin-top:6px;opacity:0.9;letter-spacing:0.3px;text-shadow:0 1px 1px rgba(0,0,0,0.15)}
.status-dot{background:#00ee00;border-radius:50%;width:8px;height:8px;box-shadow:0 0 4px rgba(0,238,0,0.7);animation:dotPulse 2s infinite cubic-bezier(0.4,0,0.6,1);flex-shrink:0}
.settings-panel{position:absolute;top:36px;right:${CONFIG.PADDING}px;background:#2d3236;border:1px solid rgba(255,255,255,0.07);border-radius:12px;padding:10px;box-shadow:0 6px 16px rgba(0,0,0,0.4);z-index:10000;backdrop-filter:blur(8px);opacity:0;transform:translateY(-8px);transition:all 0.3s cubic-bezier(0.4,0,0.2,1)}
.settings-panel.active{opacity:1;transform:translateY(0)}
.pair-input{padding:6px 10px;border:none;border-radius:8px;background:rgba(255,255,255,0.1);color:#fff;font-size:13px;margin-right:8px;outline:none;width:100px;transition:all 0.2s ease;box-shadow:0 1px 1px rgba(0,0,0,0.2)}
.pair-input:focus{background:rgba(255,255,255,0.16);transform:scale(1.03);box-shadow:0 2px 3px rgba(0,0,0,0.25)}
.pair-input::placeholder{color:#c0c8d0;opacity:0.75}
.add-pair-btn{padding:6px 12px;border:none;border-radius:8px;background:#f0b90b;color:#202529;font-weight:600;font-size:13px;cursor:pointer;transition:all 0.25s cubic-bezier(0.4,0,0.2,1);box-shadow:0 1px 4px rgba(240,185,11,0.35)}
.add-pair-btn:hover{background:#ffc107;transform:translateY(-2px) scale(1.06);box-shadow:0 3px 8px rgba(240,185,11,0.5)}
@keyframes fadeIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}
@keyframes slideIn{from{opacity:0;transform:translateX(-8px)}to{opacity:1;transform:translateX(0)}}
@keyframes slideOut{from{opacity:1;transform:translateX(0)}to{opacity:0;transform:translateX(-8px)}}
@keyframes pricePulseUp{0%{transform:scale(1);color:#fff}50%{transform:scale(1.06);color:#00ee00}100%{transform:scale(1);color:#fff}}
@keyframes pricePulseDown{0%{transform:scale(1);color:#fff}50%{transform:scale(1.06);color:#ff6666}100%{transform:scale(1);color:#fff}}
@keyframes dotPulse{0%{transform:scale(1);opacity:1;box-shadow:0 0 4px rgba(0,238,0,0.7)}50%{transform:scale(1.25);opacity:0.7;box-shadow:0 0 8px rgba(0,238,0,0.9)}100%{transform:scale(1);opacity:1;box-shadow:0 0 4px rgba(0,238,0,0.7)}}
`
}));
},
addEventListeners() {
const handleDragStart = (e) => {
if (!this.settingsPanel.contains(e.target) && e.button === 0) {
this.isDragging = true;
const rect = this.container.getBoundingClientRect();
this.offsetX = e.clientX - rect.left;
this.offsetY = e.clientY - rect.top;
this.container.style.cursor = 'grabbing';
e.preventDefault();
}
};
const handleDragMove = (e) => {
if (this.isDragging) {
const newLeft = Math.max(0, Math.min(e.clientX - this.offsetX, window.innerWidth - this.container.offsetWidth));
const newTop = Math.max(0, Math.min(e.clientY - this.offsetY, window.innerHeight - this.container.offsetHeight));
requestAnimationFrame(() => {
this.container.style.left = `${newLeft}px`;
this.container.style.top = `${newTop}px`;
this.container.style.right = 'auto';
});
}
};
const handleDragEnd = () => {
if (this.isDragging) {
this.isDragging = false;
this.container.style.cursor = 'grab';
}
};
this.container.addEventListener('mousedown', handleDragStart);
document.addEventListener('mousemove', handleDragMove);
document.addEventListener('mouseup', handleDragEnd);
this.settingsBtn.addEventListener('click', (e) => (e.stopPropagation(), this.toggleSettings()));
this.addPairBtn.addEventListener('click', () => this.handleAddPair());
this.pairInput.addEventListener('keypress', (e) => e.key === 'Enter' && this.handleAddPair());
this.container.addEventListener('click', (e) => this.settingsPanel.contains(e.target) && e.stopPropagation());
},
addPair(pair) {
if (this.wsSubscriptions.size >= CONFIG.MAX_PAIRS) return alert(`最多支持 ${CONFIG.MAX_PAIRS} 个交易对`);
if (this.wsSubscriptions.has(pair)) return;
const pairDiv = Object.assign(document.createElement('div'), { className: 'pair-item' });
pairDiv.innerHTML = `
<span class="remove-btn">✕</span>
<div class="price-header"><span class="status-dot"></span><span class="symbol">${pair.toUpperCase()}</span></div>
<div class="price-container"><span class="price-value">$--.--</span><span class="change-24h">--.--%</span></div>
<div class="price-time">更新时间: --:--:--</div>
`;
pairDiv.querySelector('.remove-btn').addEventListener('click', (e) => (e.stopPropagation(), this.removePair(pair)));
this.pairsContainer.appendChild(pairDiv);
const elements = {
priceValue: pairDiv.querySelector('.price-value'),
change24h: pairDiv.querySelector('.change-24h'),
priceTime: pairDiv.querySelector('.price-time'),
statusDot: pairDiv.querySelector('.status-dot'),
element: pairDiv,
lastPrice: null
};
this.wsSubscriptions.set(pair, elements);
priceTracker.subscribePair();
this.savePairs();
},
removePair(pair) {
const sub = this.wsSubscriptions.get(pair);
if (sub) {
sub.element.style.animation = 'slideOut 0.3s ease-in forwards';
sub.element.addEventListener('animationend', () => {
sub.element.remove();
this.wsSubscriptions.delete(pair);
priceTracker.subscribePair();
this.savePairs();
}, { once: true });
}
},
handleAddPair() {
const pair = this.pairInput.value.trim().toLowerCase();
if (pair && !this.wsSubscriptions.has(pair)) {
this.addPair(pair);
this.pairInput.value = '';
}
},
savePairs: () => utils.savePairs([...ui.wsSubscriptions.keys()]),
updateDisplay(pair, price, change, time, status) {
const sub = this.wsSubscriptions.get(pair);
if (!sub) return;
const currentPrice = parseFloat(price.replace('$', ''));
if (sub.lastPrice !== null && currentPrice !== sub.lastPrice) {
sub.priceValue.textContent = price;
sub.priceValue.classList.remove('updated-up', 'updated-down');
sub.priceValue.classList.add(currentPrice > sub.lastPrice ? 'updated-up' : 'updated-down');
sub.priceValue.addEventListener('animationend', () => sub.priceValue.classList.remove('updated-up', 'updated-down'), { once: true });
} else {
sub.priceValue.textContent = price;
}
sub.lastPrice = currentPrice;
sub.change24h.textContent = change;
sub.change24h.classList.remove('positive', 'negative');
if (change !== '--.--%') sub.change24h.classList.add(parseFloat(change) >= 0 ? 'positive' : 'negative');
sub.priceTime.textContent = `更新时间: ${time}`;
sub.statusDot.style.background = status === 'success' ? '#00ee00' : '#ff6666';
sub.statusDot.style.boxShadow = status === 'success' ? '0 0 4px rgba(0,238,0,0.7)' : '0 0 4px rgba(255,102,102,0.7)';
},
toggleSettings() {
const isVisible = this.settingsPanel.style.display !== 'none';
this.settingsPanel.style.display = isVisible ? 'none' : 'block';
this.settingsPanel.classList.toggle('active', !isVisible);
}
};
const priceTracker = {
ws: null,
reconnectTimeout: null,
connect() {
if (this.ws) this.ws.close();
const pairs = [...ui.wsSubscriptions.keys()];
if (!pairs.length) return;
this.ws = new WebSocket(`${CONFIG.WS_URL}/${pairs.join('@ticker/')}@ticker`);
this.ws.onopen = () => ui.wsSubscriptions.forEach((_, pair) => ui.updateDisplay(pair, '$--.--', '--.--%', '已连接', 'success'));
this.ws.onmessage = (event) => {
try {
const data = JSON.parse(event.data);
ui.updateDisplay(data.s.toLowerCase(), `$${parseFloat(data.c).toFixed(2)}`, `${parseFloat(data.P).toFixed(2)}%`, new Date().toLocaleTimeString(), 'success');
} catch (e) {
console.error('WebSocket data error:', e);
}
};
this.ws.onerror = () => {
ui.wsSubscriptions.forEach((_, pair) => ui.updateDisplay(pair, '错误', '--.--%', '连接失败', 'error'));
this.reconnect();
};
this.ws.onclose = () => {
ui.wsSubscriptions.forEach((_, pair) => ui.updateDisplay(pair, '断开', '--.--%', '等待重连', 'error'));
this.reconnect();
};
},
subscribePair: () => priceTracker.connect(),
reconnect() {
clearTimeout(this.reconnectTimeout);
this.reconnectTimeout = setTimeout(() => !this.ws || this.ws.readyState !== WebSocket.OPEN && this.connect(), CONFIG.RECONNECT_DELAY);
},
start: () => ui.init(),
stop: () => { if (this.ws) this.ws.close(); clearTimeout(this.reconnectTimeout); }
};
priceTracker.start();
window.addEventListener('unload', priceTracker.stop);
})();