代码如下
html代码
<!DOCTYPE html><html lang="en"><head> <meta charset="UTF-8" /> <meta name="viewport" content="width=device-width, initial-scale=1.0" /> <meta http-equiv="X-UA-Compatible" content="ie=edge" /> <title>Exchange Rate Calculator</title> <link rel="stylesheet" href="style.css" rel="external nofollow" /></head><body><img src="money.png" alt="" class="money-img" /><h1>Exchange Rate Calculator</h1><p>Choose the currency and the amounts to get the exchange rate</p><div class="container"> <div class="currency"> <select id="currency-one"> <option value="AED">AED</option> <option value="ARS">ARS</option> <option value="AUD">AUD</option> <option value="BGN">BGN</option> <option value="BRL">BRL</option> <option value="BSD">BSD</option> <option value="CAD">CAD</option> <option value="CHF">CHF</option> <option value="CLP">CLP</option> <option value="CNY">CNY</option> <option value="COP">COP</option> <option value="CZK">CZK</option> <option value="DKK">DKK</option> <option value="DOP">DOP</option> <option value="EGP">EGP</option> <option value="EUR">EUR</option> <option value="FJD">FJD</option> <option value="GBP">GBP</option> <option value="GTQ">GTQ</option> <option value="HKD">HKD</option> <option value="HRK">HRK</option> <option value="HUF">HUF</option> <option value="IDR">IDR</option> <option value="ILS">ILS</option> <option value="INR">INR</option> <option value="ISK">ISK</option> <option value="JPY">JPY</option> <option value="KRW">KRW</option> <option value="KZT">KZT</option> <option value="MXN">MXN</option> <option value="MYR">MYR</option> <option value="NOK">NOK</option> <option value="NZD">NZD</option> <option value="PAB">PAB</option> <option value="PEN">PEN</option> <option value="PHP">PHP</option> <option value="PKR">PKR</option> <option value="PLN">PLN</option> <option value="PYG">PYG</option> <option value="RON">RON</option> <option value="RUB">RUB</option> <option value="SAR">SAR</option> <option value="SEK">SEK</option> <option value="SGD">SGD</option> <option value="THB">THB</option> <option value="TRY">TRY</option> <option value="TWD">TWD</option> <option value="UAH">UAH</option> <option value="USD" selected>USD</option> <option value="UYU">UYU</option> <option value="VND">VND</option> <option value="ZAR">ZAR</option> </select> <input type="number" id="amount-one" placeholder="0" value="1" /> </div> <div class="swap-rate-container"> <button class="btn" id="swap"> Swap </button> <div class="rate" id="rate"></div> </div> <div class="currency"> <select id="currency-two"> <option value="AED">AED</option> <option value="ARS">ARS</option> <option value="AUD">AUD</option> <option value="BGN">BGN</option> <option value="BRL">BRL</option> <option value="BSD">BSD</option> <option value="CAD">CAD</option> <option value="CHF">CHF</option> <option value="CLP">CLP</option> <option value="CNY">CNY</option> <option value="COP">COP</option> <option value="CZK">CZK</option> <option value="DKK">DKK</option> <option value="DOP">DOP</option> <option value="EGP">EGP</option> <option value="EUR" selected>EUR</option> <option value="FJD">FJD</option> <option value="GBP">GBP</option> <option value="GTQ">GTQ</option> <option value="HKD">HKD</option> <option value="HRK">HRK</option> <option value="HUF">HUF</option> <option value="IDR">IDR</option> <option value="ILS">ILS</option> <option value="INR">INR</option> <option value="ISK">ISK</option> <option value="JPY">JPY</option> <option value="KRW">KRW</option> <option value="KZT">KZT</option> <option value="MXN">MXN</option> <option value="MYR">MYR</option> <option value="NOK">NOK</option> <option value="NZD">NZD</option> <option value="PAB">PAB</option> <option value="PEN">PEN</option> <option value="PHP">PHP</option> <option value="PKR">PKR</option> <option value="PLN">PLN</option> <option value="PYG">PYG</option> <option value="RON">RON</option> <option value="RUB">RUB</option> <option value="SAR">SAR</option> <option value="SEK">SEK</option> <option value="SGD">SGD</option> <option value="THB">THB</option> <option value="TRY">TRY</option> <option value="TWD">TWD</option> <option value="UAH">UAH</option> <option value="USD">USD</option> <option value="UYU">UYU</option> <option value="VND">VND</option> <option value="ZAR">ZAR</option> </select> <input type="number" id="amount-two" placeholder="0" /> </div></div><script src="script.js"></script></body></html>
css代码
:root { --primary-color: #5fbaa7;}* { box-sizing: border-box;}body { background-color: #f4f4f4; font-family: Arial, Helvetica, sans-serif; display: flex; flex-direction: column; align-items: center; justify-content: center; height: 100vh; margin: 0; padding: 20px;}h1 { color: var(--primary-color);}p { text-align: center;}.btn { color: #fff; background: var(--primary-color); cursor: pointer; border-radius: 5px; font-size: 12px; padding: 5px 12px;}.money-img { width: 150px;}.currency { padding: 40px 0; display: flex; align-items: center; justify-content: space-between;}.currency select { padding: 10px 20px 10px 10px; -moz-appearance: none; -webkit-appearance: none; appearance: none; border: 1px solid #dedede; font-size: 16px; background: transparent; background-image: url('data:image/svg+xml; charset=US-ASCII,%3Csvg%20xmlns%3D%22http%3A%2F%2F/v4/latest/${currency_one}`) .then(res => res.json()) .then(data => { const rate = data.rates[currency_two]; rateEl.innerText = `1 ${currency_one} = ${rate} ${currency_two}`; amountEl_two.value = (amountEl_one.value * rate).toFixed(2); });}
运行效果
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