165 lines
4.1 KiB
Vue
165 lines
4.1 KiB
Vue
<template>
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<div class="mac-address-input" :class="{ disabled: disabled }">
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<el-input
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ref="inputRef"
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v-model="macValue"
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type="text"
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maxlength="17"
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:disabled="disabled"
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@input="handleInput"
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@keydown="handleKeydown"
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@focus="handleFocus"
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@blur="handleBlur"
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@paste="handlePaste"
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/>
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</div>
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</template>
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<script setup lang="ts">
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import { ref, watch } from 'vue'
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interface Props {
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modelValue?: string
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disabled?: boolean
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}
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interface Emits {
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(e: 'update:modelValue', value: string): void
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}
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const props = withDefaults(defineProps<Props>(), {
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modelValue: '',
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disabled: false
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})
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const emit = defineEmits<Emits>()
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// 创建单个输入框的引用
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const inputRef = ref<InstanceType<typeof import('element-plus').ElInput> | null>(null)
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// MAC地址值
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const macValue = ref<string>('')
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// 解析传入的MAC地址
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const parseMacAddress = (mac: string): string => {
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if (!mac) return ''
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// 移除非十六进制字符并转为大写
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const cleanMac = mac.replace(/[^0-9a-fA-F]/g, '').toUpperCase()
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// 按每2个字符分割并用冒号连接
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let result = ''
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for (let i = 0; i < cleanMac.length; i += 2) {
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if (i > 0) result += ':'
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result += cleanMac.substr(i, 2)
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}
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return result.substring(0, 17) // 最多17个字符 (12个数字+5个冒号)
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}
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// 格式化MAC地址 - 改进版
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const formatMac = (value: string): string => {
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// 移除所有冒号
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const cleanValue = value.replace(/:/g, '')
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// 只保留十六进制字符并转为大写
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const hexOnly = cleanValue.replace(/[^0-9a-fA-F]/g, '').toUpperCase()
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// 按每两个字符添加冒号,最多6段
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let formatted = ''
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for (let i = 0; i < Math.min(hexOnly.length, 12); i += 2) {
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if (i > 0) formatted += ':'
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formatted += hexOnly.substr(i, 2)
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}
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return formatted
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}
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// 当前聚焦的输入框索引
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const focusedIndex = ref<number | null>(null)
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// 处理输入事件
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const handleInput = (value: string) => {
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const formatted = formatMac(value)
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macValue.value = formatted
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// 发出不带冒号的纯净值
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emit('update:modelValue', formatted.replace(/:/g, ''))
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}
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// 处理键盘事件
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const handleKeydown = (event: KeyboardEvent) => {
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const target = event.target as HTMLInputElement
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// 处理退格键
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if (event.key === 'Backspace') {
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// 处理在冒号前删除的情况
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const cursorPos = target.selectionStart || 0
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if (cursorPos > 0 && macValue.value[cursorPos - 1] === ':' &&
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target.selectionStart === target.selectionEnd) {
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event.preventDefault()
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// 删除冒号前的两个字符
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const newValue = macValue.value.substring(0, cursorPos - 3) +
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macValue.value.substring(cursorPos)
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macValue.value = newValue
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// 设置光标位置
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setTimeout(() => {
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if (target.setSelectionRange) {
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target.setSelectionRange(cursorPos - 3, cursorPos - 3)
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}
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}, 0)
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emit('update:modelValue', newValue.replace(/:/g, ''))
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}
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}
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}
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// 处理焦点事件
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const handleFocus = () => {
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focusedIndex.value = 0
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}
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// 处理失焦事件
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const handleBlur = () => {
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focusedIndex.value = null
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}
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// 处理粘贴事件
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const handlePaste = (event: ClipboardEvent) => {
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event.preventDefault()
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const pastedText = event.clipboardData?.getData('text') || ''
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// 清理粘贴的文本
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const cleanPastedText = pastedText.replace(/[^0-9a-fA-F]/g, '').toUpperCase()
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const formatted = formatMac(cleanPastedText)
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macValue.value = formatted
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emit('update:modelValue', formatted.replace(/:/g, ''))
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}
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// 监听modelValue变化
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watch(
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() => props.modelValue,
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(newVal) => {
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const cleanNewVal = (newVal || '').replace(/[^0-9a-fA-F]/g, '').toUpperCase()
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const currentCleanValue = macValue.value.replace(/:/g, '')
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if (cleanNewVal !== currentCleanValue) {
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macValue.value = parseMacAddress(cleanNewVal)
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}
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},
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{ immediate: true }
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)
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</script>
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<style scoped lang="scss">
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.mac-address-input {
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width: 100%;
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&.disabled {
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opacity: 0.7;
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}
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:deep(.el-input__wrapper) {
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input {
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text-transform: uppercase;
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font-family: inherit; // 使用继承的字体而不是等宽字体
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}
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}
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}
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</style> |