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September 21, 2024 14:49
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js 获取电池状态.html
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<!DOCTYPE html> | |
<html lang="zh-CN"> | |
<head> | |
<meta charset="UTF-8"> | |
<meta name="viewport" content="width=device-width, initial-scale=1.0"> | |
<title>电池状态小工具</title> | |
<style> | |
body { | |
font-family: Arial, sans-serif; | |
background-color: #f0f0f0; | |
display: flex; | |
justify-content: center; | |
align-items: center; | |
height: 100vh; | |
margin: 0; | |
} | |
.widget { | |
background-color: #fff; | |
border-radius: 8px; | |
padding: 20px; | |
box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1); | |
width: 300px; | |
} | |
h1 { | |
color: #333; | |
font-size: 18px; | |
margin-top: 0; | |
margin-bottom: 15px; | |
} | |
#battery-status { | |
font-size: 14px; | |
color: #666; | |
margin-bottom: 10px; | |
} | |
#battery-level { | |
width: 100%; | |
height: 20px; | |
background-color: #e0e0e0; | |
border-radius: 10px; | |
overflow: hidden; | |
} | |
#battery-fill { | |
height: 100%; | |
background-color: #4CAF50; | |
transition: width 0.5s ease-in-out; | |
} | |
</style> | |
</head> | |
<body> | |
<div class="widget"> | |
<h1>电池状态小工具</h1> | |
<div id="battery-status">正在获取电池信息...</div> | |
<div id="battery-level"> | |
<div id="battery-fill"></div> | |
</div> | |
</div> | |
<script> | |
const batteryStatus = document.getElementById('battery-status'); | |
const batteryFill = document.getElementById('battery-fill'); | |
if ('getBattery' in navigator) { | |
navigator.getBattery().then(battery => { | |
const updateBatteryStatus = () => { | |
const level = battery.level * 100; | |
const chargingStatus = battery.charging ? "充电中" : "未充电"; | |
batteryStatus.textContent = `电量: ${level.toFixed(0)}% | ${chargingStatus}`; | |
batteryFill.style.width = `${level}%`; | |
batteryFill.style.backgroundColor = level > 20 ? '#4CAF50' : '#FF5722'; | |
}; | |
updateBatteryStatus(); | |
battery.addEventListener('chargingchange', updateBatteryStatus); | |
battery.addEventListener('levelchange', updateBatteryStatus); | |
}); | |
} else { | |
batteryStatus.textContent = '您的浏览器不支持电池状态API'; | |
batteryFill.style.width = '100%'; | |
batteryFill.style.backgroundColor = '#ccc'; | |
} | |
</script> | |
</body> | |
</html> |
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