<template>
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<div class="app-container">
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<el-card class="box-card">
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<template #header>
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<div class="card-header">
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<span>二维码生成器演示</span>
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<el-tag type="success">功能完整版</el-tag>
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</div>
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</template>
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<el-alert
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title="功能说明"
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type="info"
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:closable="false"
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show-icon
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>
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<p>本演示页面展示了二维码生成器的完整功能，包括：</p>
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<ul>
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<li>基础二维码生成</li>
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<li>防伪码生成</li>
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<li>批量生成功能</li>
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<li>图片下载功能</li>
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</ul>
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</el-alert>
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<el-divider content-position="center">快速体验</el-divider>
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<!-- 快速生成示例 -->
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<el-row :gutter="20">
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<el-col :span="8">
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<el-card shadow="hover" class="demo-card">
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<template #header>
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<div class="demo-header">
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<span>网址二维码</span>
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<el-button type="primary" size="small" @click="generateDemo('url')">
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生成
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</el-button>
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</div>
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</template>
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<div class="demo-content">
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<p>生成指向特定网址的二维码</p>
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<p class="demo-text">https://www.example.com</p>
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</div>
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</el-card>
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</el-col>
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<el-col :span="8">
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<el-card shadow="hover" class="demo-card">
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<template #header>
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<div class="demo-header">
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<span>联系方式</span>
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<el-button type="primary" size="small" @click="generateDemo('contact')">
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生成
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</el-button>
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</div>
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</template>
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<div class="demo-content">
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<p>生成包含联系信息的二维码</p>
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<p class="demo-text">姓名：陈志强<br>电话：13800138000</p>
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</div>
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</el-card>
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</el-col>
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<el-col :span="8">
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<el-card shadow="hover" class="demo-card">
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<template #header>
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<div class="demo-header">
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<span>产品信息</span>
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<el-button type="primary" size="small" @click="generateDemo('product')">
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生成
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</el-button>
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</div>
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</template>
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<div class="demo-content">
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<p>生成产品信息的二维码</p>
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<p class="demo-text">产品：工业传感器<br>型号：SENSOR-001</p>
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</div>
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</el-card>
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</el-col>
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</el-row>
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<el-divider content-position="center">功能入口</el-divider>
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<!-- 功能入口 -->
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<el-row :gutter="20">
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<el-col :span="12">
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<el-card shadow="hover" class="feature-card">
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<div class="feature-content">
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<div class="feature-icon">
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<el-icon size="40" color="#409EFF"><QrCode /></el-icon>
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</div>
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<div class="feature-text">
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<h3>基础二维码生成</h3>
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<p>快速生成各种内容的二维码，支持自定义样式和下载</p>
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<el-button type="primary" @click="goToSimple">开始使用</el-button>
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</div>
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</div>
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</el-card>
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</el-col>
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<el-col :span="12">
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<el-card shadow="hover" class="feature-card">
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<div class="feature-content">
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<div class="feature-icon">
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<el-icon size="40" color="#E6A23C"><Shield /></el-icon>
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</div>
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<div class="feature-text">
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<h3>防伪码生成</h3>
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<p>生成具有防伪功能的二维码，支持批量生成和下载</p>
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<el-button type="warning" @click="goToAdvanced">开始使用</el-button>
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</div>
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</div>
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</el-card>
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</el-col>
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</el-row>
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<el-divider content-position="center">使用说明</el-divider>
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<!-- 使用说明 -->
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<el-collapse v-model="activeNames">
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<el-collapse-item title="二维码生成步骤" name="1">
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<div class="instruction-content">
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<ol>
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<li>选择要生成的内容类型（文本、网址、联系方式等）</li>
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<li>输入具体内容</li>
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<li>选择二维码尺寸和颜色</li>
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<li>点击生成按钮</li>
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<li>预览生成的二维码</li>
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<li>下载图片到本地</li>
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</ol>
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</div>
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</el-collapse-item>
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<el-collapse-item title="防伪码特点" name="2">
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<div class="instruction-content">
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<ul>
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<li><strong>唯一性</strong>：每个防伪码都包含时间戳和随机数</li>
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<li><strong>高纠错</strong>：使用最高纠错级别，扫描成功率更高</li>
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<li><strong>批量生成</strong>：支持一次生成多个防伪码</li>
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<li><strong>格式规范</strong>：SEC_产品编码_批次号_时间戳_随机数</li>
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</ul>
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</div>
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</el-collapse-item>
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<el-collapse-item title="应用场景" name="3">
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<div class="instruction-content">
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<div class="scenario-grid">
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<div class="scenario-item">
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<el-icon color="#67C23A"><Goods /></el-icon>
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<span>产品包装</span>
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</div>
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<div class="scenario-item">
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<el-icon color="#409EFF"><Document /></el-icon>
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<span>文档验证</span>
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</div>
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<div class="scenario-item">
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<el-icon color="#E6A23C"><Tickets /></el-icon>
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<span>票据防伪</span>
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</div>
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<div class="scenario-item">
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<el-icon color="#F56C6C"><Medal /></el-icon>
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<span>证书验证</span>
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</div>
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</div>
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</div>
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</el-collapse-item>
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</el-collapse>
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</el-card>
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<!-- 生成的二维码预览 -->
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<el-dialog v-model="previewVisible" title="生成的二维码" width="400px" center>
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<div class="preview-container">
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<img v-if="previewUrl" :src="previewUrl" alt="预览二维码" />
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<div class="preview-info">
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<p><strong>内容：</strong>{{ previewContent }}</p>
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<p><strong>类型：</strong>{{ previewType }}</p>
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</div>
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<div class="preview-actions">
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<el-button type="success" @click="downloadPreview" icon="Download">
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下载图片
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</el-button>
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<el-button @click="previewVisible = false">关闭</el-button>
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</div>
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</div>
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</el-dialog>
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</div>
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</template>
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<script setup>
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import { ref } from 'vue'
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import { useRouter } from 'vue-router'
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import { ElMessage } from 'element-plus'
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import { QrCode, Shield, Goods, Document, Tickets, Medal } from '@element-plus/icons-vue'
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import QRCode from 'qrcode'
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defineOptions({
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name: 'QRCodeDemo'
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})
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const router = useRouter()
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const activeNames = ref(['1'])
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const previewVisible = ref(false)
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const previewUrl = ref('')
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const previewContent = ref('')
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const previewType = ref('')
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// 生成演示二维码
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const generateDemo = async (type) => {
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try {
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let content = ''
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let typeName = ''
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switch (type) {
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case 'url':
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content = 'https://www.example.com'
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typeName = '网址二维码'
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break
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case 'contact':
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content = 'BEGIN:VCARD\nVERSION:3.0\nFN:陈志强\nTEL:13800138000\nEND:VCARD'
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typeName = '联系方式二维码'
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break
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case 'product':
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content = '产品名称：工业传感器\n型号：SENSOR-001\n规格：高精度型\n用途：工业自动化'
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typeName = '产品信息二维码'
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break
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}
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const qrCodeUrl = await QRCode.toDataURL(content, {
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width: 256,
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margin: 2,
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color: {
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dark: '#000000',
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light: '#FFFFFF'
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}
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})
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previewUrl.value = qrCodeUrl
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previewContent.value = content
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previewType.value = typeName
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previewVisible.value = true
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} catch (error) {
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console.error('生成演示二维码失败:', error)
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ElMessage.error('生成失败：' + error.message)
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}
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}
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// 下载预览的二维码
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const downloadPreview = () => {
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if (!previewUrl.value) {
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ElMessage.warning('没有可下载的二维码')
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return
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}
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const a = document.createElement('a')
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a.href = previewUrl.value
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a.download = `${previewType.value}_${new Date().getTime()}.png`
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document.body.appendChild(a)
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a.click()
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document.body.removeChild(a)
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ElMessage.success('下载成功！')
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}
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// 跳转到简化版页面
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const goToSimple = () => {
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router.push('/tool/qrCodeSimple')
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}
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// 跳转到高级版页面
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const goToAdvanced = () => {
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router.push('/tool/qrCodeGenerator')
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}
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</script>
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<style scoped>
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.app-container {
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padding: 20px;
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}
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.box-card {
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margin-bottom: 20px;
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}
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.card-header {
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display: flex;
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justify-content: space-between;
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align-items: center;
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}
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.demo-card {
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margin-bottom: 20px;
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}
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.demo-header {
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display: flex;
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justify-content: space-between;
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align-items: center;
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}
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.demo-content {
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text-align: center;
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}
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.demo-text {
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font-size: 12px;
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color: #666;
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background: #f8f9fa;
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padding: 8px;
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border-radius: 4px;
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margin-top: 10px;
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}
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.feature-card {
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margin-bottom: 20px;
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}
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.feature-content {
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display: flex;
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align-items: center;
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gap: 20px;
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}
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.feature-icon {
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flex-shrink: 0;
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}
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.feature-text h3 {
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margin: 0 0 10px 0;
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color: #303133;
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}
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.feature-text p {
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margin: 0 0 15px 0;
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color: #606266;
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line-height: 1.5;
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}
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.instruction-content {
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padding: 10px 0;
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}
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.instruction-content ol,
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.instruction-content ul {
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margin: 0;
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padding-left: 20px;
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}
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.instruction-content li {
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margin: 8px 0;
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line-height: 1.6;
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}
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.scenario-grid {
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display: grid;
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grid-template-columns: repeat(2, 1fr);
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gap: 20px;
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margin-top: 15px;
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}
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.scenario-item {
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display: flex;
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align-items: center;
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gap: 10px;
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padding: 15px;
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background: #f8f9fa;
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border-radius: 8px;
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text-align: center;
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}
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.scenario-item span {
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font-weight: 500;
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color: #303133;
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}
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.preview-container {
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text-align: center;
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}
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.preview-container img {
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max-width: 100%;
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height: auto;
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border: 2px solid #e0e0e0;
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border-radius: 8px;
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margin-bottom: 20px;
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}
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.preview-info {
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text-align: left;
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background: #f8f9fa;
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padding: 15px;
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border-radius: 8px;
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margin-bottom: 20px;
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}
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.preview-info p {
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margin: 8px 0;
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color: #666;
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}
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.preview-actions {
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display: flex;
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justify-content: center;
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gap: 15px;
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}
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</style>
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