mirror of
https://github.com/justhtmls/html-tools.git
synced 2026-09-01 15:32:50 +08:00
chao5
299 lines
8.3 KiB
HTML
299 lines
8.3 KiB
HTML
<!DOCTYPE html>
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<html lang="zh-CN">
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<head>
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<link rel="icon" href="../../favicon.svg">
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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>Base36 解码</title>
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<link rel="canonical" href="https://www.htmls.dev/tools/base36-decode/app.html">
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<style>
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:root {
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--accent: #ec4899;
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--accent-soft: #ec489933;
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--bg-dark: #0f172a;
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--text: #0f172a;
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--text-muted: #475569;
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--border: #e2e8f0;
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}
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* {
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margin: 0;
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padding: 0;
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box-sizing: border-box;
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}
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body {
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font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
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background: linear-gradient(135deg, #ec4899 0%, #0f172a 100%);
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min-height: 100vh;
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padding: 20px;
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color: var(--text);
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}
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.container {
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max-width: 1100px;
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margin: 0 auto;
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}
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.header {
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text-align: center;
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color: white;
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margin-bottom: 30px;
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}
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.header h1 {
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font-size: 2.3rem;
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margin-bottom: 8px;
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}
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.header p {
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opacity: 0.9;
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font-size: 1rem;
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}
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.card {
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background: rgba(255, 255, 255, 0.96);
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border-radius: 18px;
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padding: 26px;
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box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
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}
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.grid {
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display: grid;
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grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
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gap: 16px;
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}
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label {
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font-size: 14px;
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color: var(--text-muted);
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display: block;
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margin-bottom: 6px;
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}
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input[type="text"],
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input[type="number"],
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textarea,
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select {
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width: 100%;
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padding: 10px 12px;
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border: 1px solid var(--border);
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border-radius: 10px;
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font-size: 14px;
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background: white;
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}
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textarea {
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min-height: 160px;
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resize: vertical;
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}
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.row {
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display: flex;
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gap: 12px;
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flex-wrap: wrap;
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align-items: center;
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margin-top: 10px;
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}
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.actions {
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display: flex;
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gap: 10px;
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flex-wrap: wrap;
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margin-top: 12px;
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}
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.btn {
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padding: 10px 18px;
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border-radius: 10px;
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border: none;
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cursor: pointer;
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font-size: 14px;
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font-weight: 600;
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background: var(--accent);
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color: white;
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transition: transform 0.2s, box-shadow 0.2s;
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}
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.btn:hover {
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transform: translateY(-1px);
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box-shadow: 0 8px 20px rgba(15, 23, 42, 0.2);
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}
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.btn-secondary {
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background: #64748b;
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}
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.checkbox {
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display: inline-flex;
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align-items: center;
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gap: 6px;
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font-size: 13px;
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color: var(--text-muted);
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}
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.meta {
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margin-top: 10px;
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font-size: 13px;
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color: var(--text-muted);
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}
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.output-box {
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background: #f8fafc;
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border: 1px dashed var(--border);
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padding: 12px;
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border-radius: 12px;
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margin-top: 16px;
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}
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.status {
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margin-top: 12px;
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font-size: 13px;
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color: var(--text-muted);
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}
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.result-grid {
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display: grid;
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grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
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gap: 12px;
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margin-top: 12px;
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}
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.result-card {
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background: #f8fafc;
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border-radius: 12px;
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padding: 12px;
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border: 1px solid var(--border);
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}
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.result-card h4 {
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font-size: 12px;
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color: var(--text-muted);
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margin-bottom: 6px;
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font-weight: 600;
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}
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.result-card div {
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font-size: 15px;
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font-weight: 700;
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color: var(--accent);
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word-break: break-all;
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}
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.tool-doc-link,
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.tool-home-link {
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position: fixed;
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top: 16px;
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padding: 6px 12px;
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border-radius: 999px;
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font-size: 12px;
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font-weight: 600;
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color: #0f172a;
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background: rgba(255, 255, 255, 0.9);
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border: 1px solid rgba(15, 23, 42, 0.12);
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text-decoration: none;
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letter-spacing: 0.02em;
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z-index: 9999;
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box-shadow: 0 6px 16px rgba(15, 23, 42, 0.08);
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transition: background 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
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}
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.tool-doc-link {
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right: 16px;
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}
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.tool-home-link {
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right: 74px;
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}
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.tool-doc-link:hover,
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.tool-home-link:hover {
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background: rgba(255, 255, 255, 1);
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border-color: rgba(15, 23, 42, 0.2);
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transform: translateY(-1px);
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}
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</style>
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</head>
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<body>
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<a class="tool-home-link" href="../../index.html">首页</a>
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<a class="tool-doc-link" href="index.html">说明</a>
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<div class="container">
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<div class="header">
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<h1>Base36 解码</h1>
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<p>将 Base36 字符串还原为十进制数字</p>
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</div>
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<div class="card">
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<div>
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<label>Base36 字符串</label>
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<input id="input" type="text" placeholder="例如 21i3v9" />
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</div>
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<div class="actions">
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<button class="btn" id="decode">开始解码</button>
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<button class="btn btn-secondary" id="copy">复制结果</button>
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<button class="btn btn-secondary" id="clear">清空</button>
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<button class="btn btn-secondary" id="sample">加载示例</button>
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</div>
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<div class="status" id="status">等待输入</div>
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<div class="output-box">
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<label>十进制输出</label>
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<textarea id="output" readonly placeholder="十进制结果"></textarea>
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</div>
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</div>
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</div>
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<script>
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const input = document.getElementById('input');
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const output = document.getElementById('output');
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const status = document.getElementById('status');
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function setStatus(message) {
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status.textContent = message;
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}
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function decodeBase36() {
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const value = input.value.trim();
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if (!value) {
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output.value = '';
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setStatus('请输入 Base36 字符串');
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return;
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}
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let text = value.toLowerCase();
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let negative = false;
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if (text.startsWith('-')) {
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negative = true;
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text = text.slice(1);
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}
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if (!/^[0-9a-z]+$/.test(text)) {
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output.value = '';
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setStatus('包含非法字符');
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return;
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}
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let result = 0n;
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for (const char of text) {
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const digit = char >= '0' && char <= '9' ? BigInt(char.charCodeAt(0) - 48) : BigInt(char.charCodeAt(0) - 87);
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result = result * 36n + digit;
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}
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output.value = (negative ? '-' : '') + result.toString(10);
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setStatus('转换完成');
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}
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document.getElementById('decode').addEventListener('click', decodeBase36);
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document.getElementById('copy').addEventListener('click', () => {
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if (!output.value) return;
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output.select();
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document.execCommand('copy');
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});
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document.getElementById('clear').addEventListener('click', () => {
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input.value = '';
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output.value = '';
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setStatus('等待输入');
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});
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document.getElementById('sample').addEventListener('click', () => {
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input.value = '21i3v9';
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decodeBase36();
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});
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</script>
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<script src="../../assets/clicks.js" defer></script>
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</body>
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</html>
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