Aurora Admin v1.2.0: 79 components x 5 ends, doc site, contracts batch 1, playground, regression, deploy ready
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<!DOCTYPE html>
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<html lang="zh-CN">
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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>Aurora Admin · BankCardInput</title>
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<link rel="stylesheet" href="../.design_library/aurora-admin/colors_and_type.css" />
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<link rel="stylesheet" href="./BankCardInput.css" />
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</head>
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<body>
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<div class="aa-page">
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<h2 class="aa-h2">BankCardInput 银行卡输入</h2>
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<p class="aa-desc">自动每 4 位空格、识别卡组织、Luhn 校验。</p>
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<div class="aa-demo">
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<div class="aa-demo__title">基础用法</div>
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<div class="aa-card" id="card">
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<div class="aa-card-field" id="field">
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<input class="aa-card-input" id="input" placeholder="请输入银行卡号" inputmode="numeric" maxlength="23" />
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<span class="aa-card-type unknown" id="type">识别中</span>
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</div>
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<div class="aa-card-tip" id="tip">支持 Visa / MasterCard / 银联等</div>
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</div>
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</div>
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</div>
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<script>
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function detectType(v) {
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if (/^4/.test(v)) return 'Visa';
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if (/^5[1-5]/.test(v)) return 'MasterCard';
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if (/^62/.test(v)) return '银联';
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if (/^3[47]/.test(v)) return 'AmEx';
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if (/^35/.test(v)) return 'JCB';
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return '';
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}
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function luhn(v) {
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var sum = 0, alt = false;
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for (var i = v.length - 1; i >= 0; i--) {
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var n = parseInt(v[i], 10);
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if (alt) { n *= 2; if (n > 9) n -= 9; }
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sum += n; alt = !alt;
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}
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return sum % 10 === 0;
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}
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var field = document.getElementById('field');
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var input = document.getElementById('input');
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var typeEl = document.getElementById('type');
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var tip = document.getElementById('tip');
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input.addEventListener('input', function () {
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var digits = input.value.replace(/\D/g, '').slice(0, 19);
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var grouped = digits.replace(/(.{4})/g, '$1 ').trim();
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input.value = grouped;
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var t = detectType(digits);
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typeEl.textContent = t || '未知';
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typeEl.className = 'aa-card-type' + (t ? '' : ' unknown');
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var len = digits.length;
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field.classList.remove('is-valid', 'is-invalid');
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tip.className = 'aa-card-tip';
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if (!len) { tip.textContent = '支持 Visa / MasterCard / 银联等'; }
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else if (len >= 13 && luhn(digits)) { field.classList.add('is-valid'); tip.className = 'aa-card-tip valid'; tip.textContent = '卡号校验通过'; }
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else if (len >= 13) { field.classList.add('is-invalid'); tip.className = 'aa-card-tip invalid'; tip.textContent = '卡号未通过 Luhn 校验'; }
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else { tip.textContent = '继续输入卡号…'; }
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});
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input.addEventListener('focus', function () { field.classList.add('is-focus'); });
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input.addEventListener('blur', function () { field.classList.remove('is-focus'); });
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</script>
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</body>
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</html>
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