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const CountdownTimer = (() => {
const config = {
targetDate: "2025-05-01",
targetName: "劳动节",
units: {
day: { text: "今日", unit: "小时" },
week: { text: "本周", unit: "天" },
month: { text: "本月", unit: "天" },
year: { text: "本年", unit: "天" }
}
};
const calculators = {
day: () => {
const hours = new Date().getHours();
return {
remaining: 24 - hours,
percentage: (hours / 24) * 100
};
},
week: () => {
const day = new Date().getDay();
const passed = day === 0 ? 6 : day - 1;
return {
remaining: 6 - passed,
percentage: ((passed + 1) / 7) * 100
};
},
month: () => {
const now = new Date();
const total = new Date(now.getFullYear(), now.getMonth() + 1, 0).getDate();
const passed = now.getDate();
return {
remaining: total - passed,
percentage: (passed / total) * 100
};
},
year: () => {
const now = new Date();
const start = new Date(now.getFullYear(), 0, 1);
const total = 365 + (now.getFullYear() % 4 === 0 ? 1 : 0);
const passed = Math.floor((now - start) / 86400000);
return {
remaining: total - passed,
percentage: (passed / total) * 100
};
}
};
function updateCountdown() {
const elements = ['eventName', 'eventDate', 'daysUntil', 'countRight']
.map(id => document.getElementById(id));
if (elements.some(el => !el)) return;
const [eventName, eventDate, daysUntil, countRight] = elements;
const now = new Date();
const target = new Date(config.targetDate);
eventName.textContent = config.targetName;
eventDate.textContent = config.targetDate;
daysUntil.textContent = Math.round((target - now.setHours(0,0,0,0)) / 86400000);
countRight.innerHTML = Object.entries(config.units)
.map(([key, {text, unit}]) => {
const {remaining, percentage} = calculators[key]();
return `
<div class="cd-count-item">
<div class="cd-item-name">${text}</div>
<div class="cd-item-progress">
<div class="cd-progress-bar" style="width: ${percentage}%; opacity: ${percentage/100}"></div>
<span class="cd-percentage ${percentage >= 46 ? 'cd-many' : ''}">${percentage.toFixed(2)}%</span>
<span class="cd-remaining ${percentage >= 60 ? 'cd-many' : ''}">
<span class="cd-tip">还剩</span>${remaining}<span class="cd-tip">${unit}</span>
</span>
</div>
</div>
`;
}).join('');
}
function injectStyles() {
const styles = `
.card-countdown .item-content {
display: flex;
}
.cd-count-left {
position: relative;
display: flex;
flex-direction: column;
margin-right: 0.8rem;
line-height: 1.5;
align-items: center;
justify-content: center;
}
.cd-count-left .cd-text {
font-size: 14px;
}
.cd-count-left .cd-name {
font-weight: bold;
font-size: 18px;
}
.cd-count-left .cd-time {
font-size: 30px;
font-weight: bold;
color: var(--efu-theme);
}
.cd-count-left .cd-date {
font-size: 12px;
opacity: 0.6;
}
.cd-count-left::after {
content: "";
position: absolute;
right: -0.8rem;
width: 2px;
height: 80%;
background-color: var(--efu-theme);
opacity: 0.5;
}
.cd-count-right {
flex: 1;
margin-left: .8rem;
display: flex;
flex-direction: column;
justify-content: space-between;
}
.cd-count-item {
display: flex;
flex-direction: row;
align-items: center;
height: 24px;
}
.cd-item-name {
font-size: 14px;
margin-right: 0.8rem;
white-space: nowrap;
}
.cd-item-progress {
position: relative;
display: flex;
flex-direction: row;
align-items: center;
justify-content: space-between;
height: 100%;
width: 100%;
border-radius: 8px;
background-color: var(--efu-background);
overflow: hidden;
}
.cd-progress-bar {
height: 100%;
border-radius: 8px;
background-color: var(--efu-theme);
}
.cd-percentage,
.cd-remaining {
position: absolute;
font-size: 12px;
margin: 0 6px;
transition: opacity 0.3s ease-in-out, transform 0.3s ease-in-out;
}
.cd-many {
color: #fff;
}
.cd-remaining {
opacity: 0;
transform: translateX(10px);
}
.card-countdown .item-content:hover .cd-remaining {
transform: translateX(0);
opacity: 1;
}
.card-countdown .item-content:hover .cd-percentage {
transform: translateX(-10px);
opacity: 0;
}
`;
const styleSheet = document.createElement("style");
styleSheet.textContent = styles;
document.head.appendChild(styleSheet);
}
let timer;
const start = () => {
injectStyles();
updateCountdown();
timer = setInterval(updateCountdown, 600000);
};
['pjax:complete', 'DOMContentLoaded'].forEach(event => document.addEventListener(event, start));
document.addEventListener('pjax:send', () => timer && clearInterval(timer));
return { start, stop: () => timer && clearInterval(timer) };
})();
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