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aca88be3e6
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main
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<!DOCTYPE html>
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<html lang="zh">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>进制转换器</title>
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<link rel="stylesheet" href="styles.css">
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</head>
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<body>
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<div class="container">
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<h1>进制转换器</h1>
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<label for="inputNumber">输入数字:</label>
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<input type="text" id="inputNumber" required>
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<label for="fromBase">初始进制 (2-16):</label>
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<input type="number" id="fromBase" min="2" max="16" required>
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<label for="toBase">目标进制 (2-16):</label>
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<input type="number" id="toBase" min="2" max="16" required>
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<button onclick="convertBase()">转换</button>
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<p id="result"></p >
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</div>
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<script src="script.js"></script>
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</body>
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</html>
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212203252
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222222222
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dh333333333
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dh444444444
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function convertBase() {
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const inputNumber = document.getElementById('inputNumber').value.trim();
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const fromBase = parseInt(document.getElementById('fromBase').value);
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const toBase = parseInt(document.getElementById('toBase').value);
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// 验证输入数字是否符合fromBase的规则
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if (!isValidNumber(inputNumber, fromBase)) {
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alert('输入的数字无效!请检查其进制格式。');
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return;
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}
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// 将输入的数字从fromBase转换为十进制
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const decimalValue = parseInt(inputNumber, fromBase);
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// 将十进制数转换为toBase
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const result = decimalValue.toString(toBase).toUpperCase();
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document.getElementById('result').textContent = `转换结果: ${result}`;
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}
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function isValidNumber(num, base) {
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const validChars = '0123456789ABCDEF'.slice(0, base);
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for (let char of num.toUpperCase()) {
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if (!validChars.includes(char)) {
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return false;
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}
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}
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return true;
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}
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