refactor(qrcode): 组件化重构,采用 Context + Hook 模式
- 创建 QrCodeContext 和 QrCodeProvider 管理共享状态 - 提取 useQrCode Hook 封装所有状态和业务逻辑 - 创建 GeneratePanel 组件处理二维码生成模式 - 创建 ParsePanel 组件处理二维码解析模式 - 简化 index.tsx 为容器组件 (340行 → 47行) - 删除未使用的旧组件文件 (QrCodeToUrlSection, UrlToQrCodeSection) - 清理 types.ts 中未使用的类型定义 - 603 个测试全部通过
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import { Grid } from '@mui/material';
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import TextInputArea from '@/components/TextInputArea';
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import QrCodePreview from '@/components/QrCodePreview';
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import { useSnackbar } from '@/components/GlobalSnackbar';
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import { useLazyTranslation } from '@/utils/useLazyTranslation';
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import { useQrCodeContext } from '../contexts/QrCodeContext';
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export default function GeneratePanel() {
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const { t } = useLazyTranslation('qrCode');
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const { showMessage } = useSnackbar();
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const { generatorState, setTextToEncode, downloadQrCode, copyQrCode } = useQrCodeContext();
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return (
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<Grid container spacing={3}>
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<Grid size={{ xs: 12, md: 6 }}>
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<TextInputArea
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title={t('qrCode:urlInputLabel')}
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value={generatorState.textToEncode}
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onChange={setTextToEncode}
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placeholder={t('qrCode:urlInputPlaceholder')}
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showCount
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showClear
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allowCopy
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externalError={generatorState.inputError}
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showMessage={showMessage}
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/>
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</Grid>
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<Grid size={{ xs: 12, md: 6 }}>
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<QrCodePreview
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qrCodeDataUrl={generatorState.qrCodeDataUrl}
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onDownload={downloadQrCode}
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onCopy={copyQrCode}
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/>
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</Grid>
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</Grid>
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);
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}
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