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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>单位换算器 - JustHTML 只需网页</title>
<script>
/**
* 动态加载（强制去除缓存） CSS 的函数
* @param {string} src - 要加载的 CSS 的 src 链接
* @returns {Promise} 返回一个 Promise 对象，用于处理异步加载
*/
function loadStyle(src) {
return new Promise((resolve, reject) => {
const link = document.createElement('link');
link.rel = 'stylesheet';
link.href = src + '?v=' + new Date().getTime(); // 使用时间戳避免缓存
link.async = true;
link.onload = resolve;
link.onerror = reject;
document.head.appendChild(link);
});
}
/**
* 动态加载（强制去除缓存） JS 的函数
* @param {string} src - 要加载的 JS 的 src 链接
* @returns {Promise} 返回一个 Promise 对象，用于处理异步加载
*/
function loadScript(src) {
return new Promise((resolve, reject) => {
const script = document.createElement('script');
script.src = src + '?v=' + new Date().getTime(); // 使用时间戳避免缓存
script.async = true;
script.onload = resolve;
script.onerror = reject;
document.head.appendChild(script);
});
}
</script>
<script>
loadStyle('../assets/style.css')
let scriptArray = [
"../assets/AddHeader_Tools.js",
"../assets/AddFooter.js",
"../assets/AddIco.js",
"../assets/AutoRun.js",
]
scriptArray.forEach(script => {
loadScript(script);
});
</script>
<script src="../package/Vue/code/vue.global.prod.js"></script>
<script type="module" src="../package/Sober/code/main.js"></script>
<style>
.converter-container {
display: grid;
grid-template-columns: 1fr 1fr;
gap: 20px;
margin: 20px 0;
}
.converter-section {
display: flex;
flex-direction: column;
}
.converter-section input, .converter-section select {
padding: 8px;
margin-top: 5px;
}
.controls {
display: flex;
flex-wrap: wrap;
gap: 10px;
margin: 15px 0;
}
.info-box {
background-color: var(--bg-tertiary);
padding: 10px;
border-radius: var(--border-radius);
margin: 10px 0;
}
.conversion-history {
margin-top: 20px;
padding: 15px;
background-color: var(--bg-tertiary);
border-radius: var(--border-radius);
}
.history-item {
padding: 5px 0;
border-bottom: 1px solid var(--bg-secondary);
}
.history-item:last-child {
border-bottom: none;
}
@media (max-width: 768px) {
.converter-container {
grid-template-columns: 1fr;
}
}
</style>
</head>
<body>
<div id="app">
<div class="container">
<a href="../index.html" class="back-link">← 返回首页</a>
<div class="tool-section">
<h2>单位换算器</h2>
<p>常用单位之间的换算</p>
<div class="info-box">
<p><strong>支持的换算类型：</strong></p>
<p>• 长度：米、千米、厘米、毫米、英寸、英尺、码、英里</p>
<p>• 重量：克、千克、吨、盎司、磅</p>
<p>• 温度：摄氏度、华氏度、开尔文</p>
<p>• 面积：平方米、平方千米、公顷、英亩、平方英尺、平方英里</p>
<p>• 体积：毫升、升、立方厘米、立方米、加仑、品脱、夸脱</p>
<p>• 时间：毫秒、秒、分钟、小时、天、周、月、年</p>
</div>
<div class="converter-container">
<div class="converter-section">
<label for="conversionType">换算类型</label>
<select id="conversionType" v-model="conversionType" @change="resetValues">
<option value="length">长度</option>
<option value="weight">重量</option>
<option value="temperature">温度</option>
<option value="area">面积</option>
<option value="volume">体积</option>
<option value="time">时间</option>
</select>
<label for="fromUnit">从</label>
<select id="fromUnit" v-model="fromUnit">
<option v-for="unit in units[conversionType]" :value="unit.key">{{ unit.name }}</option>
</select>
<label for="inputValue">数值</label>
<input
type="number"
id="inputValue"
v-model.number="inputValue"
@input="convertValue"
placeholder="输入数值"
>
</div>
<div class="converter-section">
<label for="toUnit">转换为</label>
<select id="toUnit" v-model="toUnit" @change="convertValue">
<option v-for="unit in units[conversionType]" :value="unit.key">{{ unit.name }}</option>
</select>
<label>结果</label>
<div class="result" style="padding: 10px; margin-top: 5px;">
<p>{{ result }}</p>
</div>
</div>
</div>
<div class="controls">
<button @click="convertValue">立即换算</button>
<button @click="switchUnits">切换单位</button>
<button @click="clearValues">清空</button>
</div>
<div class="conversion-history" v-if="history.length > 0">
<h3>换算历史</h3>
<div v-for="(item, index) in history" :key="index" class="history-item">
{{ item.fromValue }} {{ item.fromUnitName }} = {{ item.toValue }} {{ item.toUnitName }}
</div>
<button @click="clearHistory" style="margin-top: 10px;">清空历史</button>
</div>
</div>
</div>
</div>
<script>
const { createApp, ref, reactive, computed } = Vue;
createApp({
setup() {
const conversionType = ref('length');
const fromUnit = ref('meter');
const toUnit = ref('kilometer');
const inputValue = ref(1);
const result = ref('');
const history = ref([]);
// 定义单位换算关系
const units = {
length: [
{ key: 'millimeter', name: '毫米 (mm)', factor: 0.001 },
{ key: 'centimeter', name: '厘米 (cm)', factor: 0.01 },
{ key: 'meter', name: '米 (m)', factor: 1 },
{ key: 'kilometer', name: '千米 (km)', factor: 1000 },
{ key: 'inch', name: '英寸 (in)', factor: 0.0254 },
{ key: 'foot', name: '英尺 (ft)', factor: 0.3048 },
{ key: 'yard', name: '码 (yd)', factor: 0.9144 },
{ key: 'mile', name: '英里 (mi)', factor: 1609.344 }
],
weight: [
{ key: 'milligram', name: '毫克 (mg)', factor: 0.000001 },
{ key: 'gram', name: '克 (g)', factor: 0.001 },
{ key: 'kilogram', name: '千克 (kg)', factor: 1 },
{ key: 'ton', name: '吨 (t)', factor: 1000 },
{ key: 'ounce', name: '盎司 (oz)', factor: 0.0283495 },
{ key: 'pound', name: '磅 (lb)', factor: 0.453592 }
],
temperature: [
{ key: 'celsius', name: '摄氏度 (°C)' },
{ key: 'fahrenheit', name: '华氏度 (°F)' },
{ key: 'kelvin', name: '开尔文 (K)' }
],
area: [
{ key: 'squareMillimeter', name: '平方毫米 (mm²)', factor: 0.000001 },
{ key: 'squareCentimeter', name: '平方厘米 (cm²)', factor: 0.0001 },
{ key: 'squareMeter', name: '平方米 (m²)', factor: 1 },
{ key: 'hectare', name: '公顷 (ha)', factor: 10000 },
{ key: 'squareKilometer', name: '平方千米 (km²)', factor: 1000000 },
{ key: 'acre', name: '英亩 (ac)', factor: 4046.86 },
{ key: 'squareFoot', name: '平方英尺 (ft²)', factor: 0.092903 },
{ key: 'squareMile', name: '平方英里 (mi²)', factor: 2589988.11 }
],
volume: [
{ key: 'milliliter', name: '毫升 (mL)', factor: 0.001 },
{ key: 'liter', name: '升 (L)', factor: 1 },
{ key: 'cubicCentimeter', name: '立方厘米 (cm³)', factor: 0.001 },
{ key: 'cubicMeter', name: '立方米 (m³)', factor: 1000 },
{ key: 'gallonUS', name: '加仑(美) (gal)', factor: 3.78541 },
{ key: 'gallonUK', name: '加仑(英) (gal)', factor: 4.54609 },
{ key: 'pintUS', name: '品脱(美) (pt)', factor: 0.473176 },
{ key: 'pintUK', name: '品脱(英) (pt)', factor: 0.568261 },
{ key: 'quartUS', name: '夸脱(美) (qt)', factor: 0.946353 },
{ key: 'quartUK', name: '夸脱(英) (qt)', factor: 1.13652 }
],
time: [
{ key: 'millisecond', name: '毫秒 (ms)', factor: 0.001 },
{ key: 'second', name: '秒 (s)', factor: 1 },
{ key: 'minute', name: '分钟 (min)', factor: 60 },
{ key: 'hour', name: '小时 (hr)', factor: 3600 },
{ key: 'day', name: '天 (d)', factor: 86400 },
{ key: 'week', name: '周 (wk)', factor: 604800 },
{ key: 'month', name: '月 (mo)', factor: 2628000 }, // 平均月份 (30.44天)
{ key: 'year', name: '年 (yr)', factor: 31536000 } // 平年
]
};
// 获取单位详情
const getUnitDetails = (type, unitKey) => {
return units[type].find(unit => unit.key === unitKey);
};
// 执行换算
const convertValue = () => {
if (inputValue.value === '' || isNaN(inputValue.value)) {
result.value = '请输入有效数值';
return;
}
if (conversionType.value === 'temperature') {
// 温度换算需要特殊处理
result.value = convertTemperature(inputValue.value, fromUnit.value, toUnit.value);
} else {
// 其他单位换算
const fromUnitInfo = getUnitDetails(conversionType.value, fromUnit.value);
const toUnitInfo = getUnitDetails(conversionType.value, toUnit.value);
if (!fromUnitInfo || !toUnitInfo) {
result.value = '无效的单位';
return;
}
// 转换为标准单位（以factor为基准），然后再转换为目标单位
const standardValue = inputValue.value * fromUnitInfo.factor;
const finalValue = standardValue / toUnitInfo.factor;
result.value = finalValue.toFixed(6);
}
// 添加到历史记录
addToHistory();
};
// 温度换算
const convertTemperature = (value, from, to) => {
// 先转换为摄氏度
let celsius;
switch(from) {
case 'celsius':
celsius = value;
break;
case 'fahrenheit':
celsius = (value - 32) * 5/9;
break;
case 'kelvin':
celsius = value - 273.15;
break;
default:
return '无效的温度单位';
}
// 从摄氏度转换为目标单位
let result;
switch(to) {
case 'celsius':
result = celsius;
break;
case 'fahrenheit':
result = (celsius * 9/5) + 32;
break;
case 'kelvin':
result = celsius + 273.15;
break;
default:
return '无效的目标温度单位';
}
return result.toFixed(6);
};
// 添加到历史记录
const addToHistory = () => {
if (inputValue.value !== '' && !isNaN(inputValue.value) && result.value && !isNaN(result.value)) {
const fromUnitInfo = getUnitDetails(conversionType.value, fromUnit.value);
const toUnitInfo = getUnitDetails(conversionType.value, toUnit.value);
history.value.unshift({
fromValue: parseFloat(inputValue.value).toFixed(6),
toValue: parseFloat(result.value).toFixed(6),
fromUnitName: fromUnitInfo.name,
toUnitName: toUnitInfo.name
});
// 限制历史记录数量为10条
if (history.value.length > 10) {
history.value.pop();
}
}
};
// 切换单位
const switchUnits = () => {
const temp = fromUnit.value;
fromUnit.value = toUnit.value;
toUnit.value = temp;
convertValue();
};
// 清空数值
const clearValues = () => {
inputValue.value = '';
result.value = '';
};
// 重置数值
const resetValues = () => {
inputValue.value = 1;
fromUnit.value = units[conversionType.value][0].key;
toUnit.value = units[conversionType.value][1].key;
convertValue();
};
// 清空历史记录
const clearHistory = () => {
history.value = [];
};
// 初始化换算
resetValues();
return {
conversionType,
fromUnit,
toUnit,
inputValue,
result,
history,
units,
convertValue,
switchUnits,
clearValues,
resetValues,
clearHistory
};
}
}).mount('#app');
</script>
</body>
</html>