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forked from zguiy/utils
Files
utils/src/components/tools/QrcodeGenerator.vue
2025-06-28 22:38:49 +08:00

289 lines
8.8 KiB
Vue

<template>
<div class="space-y-6">
<!-- 工具栏 -->
<div class="card p-4">
<div class="flex flex-wrap gap-2">
<button
@click="generateQRCode"
:disabled="!qrText.trim() || isGenerating"
class="btn-primary"
>
<FontAwesomeIcon
:icon="isGenerating ? ['fas', 'spinner'] : ['fas', 'qrcode']"
:class="['mr-2', isGenerating && 'animate-spin']"
/>
{{ t('tools.qrcode_generator.generate') }}
</button>
<button
@click="downloadQRCode"
:disabled="!qrCodeDataUrl"
class="btn-secondary"
>
<FontAwesomeIcon :icon="['fas', 'download']" class="mr-2" />
{{ t('tools.qrcode_generator.download') }}
</button>
<button
@click="clearAll"
class="btn-secondary"
>
<FontAwesomeIcon :icon="['fas', 'trash']" class="mr-2" />
{{ t('tools.qrcode_generator.clear') }}
</button>
</div>
</div>
<div class="grid grid-cols-1 lg:grid-cols-2 gap-6">
<!-- 输入配置区域 -->
<div class="space-y-6">
<!-- 文本输入 -->
<div class="card p-4">
<h3 class="text-lg font-semibold text-primary mb-3">{{ t('tools.qrcode_generator.text_input') }}</h3>
<textarea
v-model="qrText"
:placeholder="t('tools.qrcode_generator.placeholder')"
class="textarea-field h-32"
@input="handleTextChange"
/>
<div class="text-sm text-secondary mt-2">
字符数: {{ qrText.length }}
</div>
</div>
<!-- 配置选项 -->
<div class="card p-4">
<h3 class="text-lg font-semibold text-primary mb-3">{{ t('tools.qrcode_generator.settings') }}</h3>
<div class="space-y-4">
<!-- 尺寸 -->
<div>
<label class="block text-sm font-medium text-secondary mb-2">
{{ t('tools.qrcode_generator.size') }}: {{ qrSize }}px
</label>
<input
v-model="qrSize"
type="range"
min="100"
max="800"
step="50"
class="w-full"
>
<div class="flex justify-between text-xs text-tertiary mt-1">
<span>100px</span>
<span>800px</span>
</div>
</div>
<!-- 容错级别 -->
<div>
<label class="block text-sm font-medium text-secondary mb-2">
{{ t('tools.qrcode_generator.error_level') }}
</label>
<select v-model="errorLevel" class="select-field">
<option value="L"> (L) - 7%</option>
<option value="M"> (M) - 15%</option>
<option value="Q">中高 (Q) - 25%</option>
<option value="H"> (H) - 30%</option>
</select>
</div>
<!-- 前景色 -->
<div>
<label class="block text-sm font-medium text-secondary mb-2">
{{ t('tools.qrcode_generator.foreground_color') }}
</label>
<div class="flex space-x-2">
<input
v-model="foregroundColor"
type="color"
class="w-12 h-10 rounded border border-primary border-opacity-20"
>
<input
v-model="foregroundColor"
type="text"
class="input-field flex-1"
placeholder="#000000"
>
</div>
</div>
<!-- 背景色 -->
<div>
<label class="block text-sm font-medium text-secondary mb-2">
{{ t('tools.qrcode_generator.background_color') }}
</label>
<div class="flex space-x-2">
<input
v-model="backgroundColor"
type="color"
class="w-12 h-10 rounded border border-primary border-opacity-20"
>
<input
v-model="backgroundColor"
type="text"
class="input-field flex-1"
placeholder="#FFFFFF"
>
</div>
</div>
</div>
</div>
</div>
<!-- 预览区域 -->
<div class="card p-4">
<h3 class="text-lg font-semibold text-primary mb-3">{{ t('tools.qrcode_generator.preview') }}</h3>
<div class="flex justify-center items-center min-h-[300px]">
<div v-if="qrCodeDataUrl" class="text-center">
<img
:src="qrCodeDataUrl"
:alt="t('tools.qrcode_generator.qr_code')"
class="mx-auto mb-4 rounded border border-primary border-opacity-20"
:style="{ maxWidth: '100%', height: 'auto' }"
>
<div class="text-sm text-secondary">
{{ qrSize }}x{{ qrSize }}px
</div>
</div>
<div v-else-if="isGenerating" class="text-center">
<FontAwesomeIcon :icon="['fas', 'spinner']" class="text-4xl text-primary animate-spin mb-4" />
<div class="text-secondary">{{ t('tools.qrcode_generator.generating') }}</div>
</div>
<div v-else class="text-center">
<FontAwesomeIcon :icon="['fas', 'qrcode']" class="text-6xl text-tertiary mb-4" />
<div class="text-secondary">{{ t('tools.qrcode_generator.no_preview') }}</div>
</div>
</div>
</div>
</div>
<!-- 状态消息 -->
<div v-if="statusMessage" class="card p-4">
<div :class="[
'flex items-center space-x-2',
statusType === 'success' ? 'text-success' : 'text-error'
]">
<FontAwesomeIcon
:icon="statusType === 'success' ? ['fas', 'check'] : ['fas', 'times']"
/>
<span>{{ statusMessage }}</span>
</div>
</div>
</div>
</template>
<script setup lang="ts">
import { ref, watch } from 'vue'
import { useLanguage } from '@/composables/useLanguage'
import QRCode from 'qrcode'
const { t } = useLanguage()
// 响应式状态
const qrText = ref('')
const qrSize = ref(300)
const errorLevel = ref('M')
const foregroundColor = ref('#000000')
const backgroundColor = ref('#FFFFFF')
const qrCodeDataUrl = ref('')
const isGenerating = ref(false)
const statusMessage = ref('')
const statusType = ref<'success' | 'error'>('success')
// 生成二维码
const generateQRCode = async () => {
if (!qrText.value.trim()) {
showStatus('请输入要生成二维码的内容', 'error')
return
}
isGenerating.value = true
statusMessage.value = ''
try {
const options = {
width: qrSize.value,
height: qrSize.value,
errorCorrectionLevel: errorLevel.value as 'L' | 'M' | 'Q' | 'H',
color: {
dark: foregroundColor.value,
light: backgroundColor.value
},
margin: 2
}
const dataUrl = await QRCode.toDataURL(qrText.value, options)
qrCodeDataUrl.value = dataUrl
showStatus('二维码生成成功', 'success')
} catch (error) {
console.error('生成二维码失败:', error)
showStatus('生成二维码失败: ' + (error instanceof Error ? error.message : '未知错误'), 'error')
qrCodeDataUrl.value = ''
} finally {
isGenerating.value = false
}
}
// 下载二维码
const downloadQRCode = () => {
if (!qrCodeDataUrl.value) return
try {
const link = document.createElement('a')
link.download = `qrcode-${Date.now()}.png`
link.href = qrCodeDataUrl.value
document.body.appendChild(link)
link.click()
document.body.removeChild(link)
showStatus('二维码下载成功', 'success')
} catch (error) {
console.error('下载失败:', error)
showStatus('下载失败', 'error')
}
}
// 清除所有内容
const clearAll = () => {
qrText.value = ''
qrCodeDataUrl.value = ''
statusMessage.value = ''
}
// 处理文本变化
const handleTextChange = () => {
// 文本变化时清除状态
if (statusMessage.value) {
statusMessage.value = ''
}
}
// 显示状态消息
const showStatus = (message: string, type: 'success' | 'error') => {
statusMessage.value = message
statusType.value = type
setTimeout(() => {
statusMessage.value = ''
}, 3000)
}
// 防抖重新生成
let regenerateTimer: number | null = null
const debouncedRegenerate = () => {
if (regenerateTimer) {
clearTimeout(regenerateTimer)
}
regenerateTimer = window.setTimeout(() => {
if (qrCodeDataUrl.value && qrText.value.trim()) {
generateQRCode()
}
}, 500)
}
// 监听配置变化,自动重新生成
watch([qrSize, errorLevel, foregroundColor, backgroundColor], debouncedRegenerate)
</script>