60 lines
2.1 KiB
Plaintext
60 lines
2.1 KiB
Plaintext
import React, { useState, useMemo } from 'react';
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import './IDCardInput.css';
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const WEIGHTS = [7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2];
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const CHECK = '10X98765432';
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function validate(v) {
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if (!/^\d{17}[\dX]$/.test(v)) return null;
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let sum = 0;
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for (let i = 0; i < 17; i++) sum += parseInt(v[i], 10) * WEIGHTS[i];
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if (CHECK[sum % 11] !== v[17]) return null;
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const birth = v.slice(6, 14);
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return { birth: birth.slice(0, 4) + '-' + birth.slice(4, 6) + '-' + birth.slice(6, 8), gender: parseInt(v[16], 10) % 2 === 1 ? '男' : '女' };
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}
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export default function IDCardInput({ modelValue = '', placeholder = '请输入 18 位身份证号', onChange }) {
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const [focused, setFocused] = useState(false);
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const result = useMemo(() => validate(modelValue.toUpperCase()) || {}, [modelValue]);
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const valid = !!result.birth;
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const invalid = modelValue.length === 18 && !result.birth;
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const tipClass = !modelValue ? '' : valid ? 'valid' : invalid ? 'invalid' : '';
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const tipText = !modelValue
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? '示例：11010119900307657X'
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: modelValue.length < 18
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? '已输入 ' + modelValue.length + ' 位，继续…'
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: valid
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? '校验通过'
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: '身份证号校验失败，请检查';
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const onInput = (e) => {
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const v = e.target.value.replace(/[^0-9Xx]/g, '').toUpperCase().slice(0, 18);
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e.target.value = v;
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if (onChange) onChange(v);
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};
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return (
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<div className="aa-idcard">
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<div
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className={'aa-idcard-field' + (focused ? ' is-focus' : '') + (valid ? ' is-valid' : '') + (invalid ? ' is-invalid' : '')}
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>
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<input
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className="aa-idcard-input"
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value={modelValue}
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maxLength={18}
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placeholder={placeholder}
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onInput={onInput}
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onFocus={() => setFocused(true)}
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onBlur={() => setFocused(false)}
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/>
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</div>
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{result.birth && (
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<div className="aa-idcard-info">
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<span>出生日期：<b>{result.birth}</b></span>
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<span>性别：<b>{result.gender}</b></span>
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</div>
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)}
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<div className={'aa-idcard-tip ' + tipClass}>{tipText}</div>
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</div>
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);
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}
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