61 lines
2.2 KiB
Vue
61 lines
2.2 KiB
Vue
<template>
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<div class="aa-idcard">
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<div class="aa-idcard-field" :class="{ 'is-focus': focused, 'is-valid': valid, 'is-invalid': invalid }">
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<input
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class="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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@input="onInput"
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@focus="focused = true"
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@blur="focused = false"
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/>
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</div>
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<div v-if="result.birth" class="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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<div class="aa-idcard-tip" :class="tipClass">{{ tipText }}</div>
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</div>
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</template>
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<script setup>
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import { ref, computed } from 'vue';
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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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const props = defineProps({
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modelValue: { type: String, default: '' },
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placeholder: { type: String, default: '请输入 18 位身份证号' }
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});
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const emit = defineEmits(['update:modelValue']);
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const focused = ref(false);
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const result = computed(() => validate(props.modelValue.toUpperCase()) || {});
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const valid = computed(() => !!result.value.birth);
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const invalid = computed(() => props.modelValue.length === 18 && !result.value.birth);
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const tipClass = computed(() => (!props.modelValue ? '' : valid.value ? 'valid' : invalid.value ? 'invalid' : ''));
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const tipText = computed(() => {
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if (!props.modelValue) return '示例：11010119900307657X';
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if (props.modelValue.length < 18) return '已输入 ' + props.modelValue.length + ' 位，继续…';
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return valid.value ? '校验通过' : '身份证号校验失败，请检查';
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});
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function 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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emit('update:modelValue', v);
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}
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</script>
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<style src="./IDCardInput.css"></style>
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