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app/tts/page.tsx
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215
app/tts/page.tsx
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"use client";
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import { useState, useEffect, useRef } from "react";
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import { Volume2, Play, Square, Settings2, Info } from "lucide-react";
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import { Button } from "@/components/ui/button";
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import { Textarea } from "@/components/ui/textarea";
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import { Card, CardContent, CardHeader, CardTitle } from "@/components/ui/card";
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import { Slider } from "@/components/ui/slider";
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import { Label } from "@/components/ui/label";
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import { Select, SelectContent, SelectItem, SelectTrigger, SelectValue } from "@/components/ui/select";
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import { toast } from "sonner";
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export default function TtsPage() {
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const [text, setText] = useState("欢迎使用信奥工具箱，这是一个基于浏览器 Web Speech API 实现的文字转语音工具。您可以自由调节语速、音调和音量。");
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const [voices, setVoices] = useState<SpeechSynthesisVoice[]>([]);
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const [selectedVoice, setSelectedVoice] = useState<string>("");
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const [rate, setRate] = useState(1);
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const [pitch, setPitch] = useState(1);
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const [volume, setVolume] = useState(1);
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const [isSpeaking, setIsActive] = useState(false);
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const synth = useRef<SpeechSynthesis | null>(null);
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useEffect(() => {
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if (typeof window !== "undefined") {
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synth.current = window.speechSynthesis;
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const loadVoices = () => {
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const availableVoices = synth.current?.getVoices() || [];
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setVoices(availableVoices);
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// Default to a Chinese voice if available, otherwise first one
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const zhVoice = availableVoices.find(v => v.lang.includes("zh")) || availableVoices[0];
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if (zhVoice && !selectedVoice) {
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setSelectedVoice(zhVoice.name);
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}
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};
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loadVoices();
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if (synth.current && synth.current.onvoiceschanged !== undefined) {
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synth.current.onvoiceschanged = loadVoices;
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}
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}
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return () => {
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if (synth.current) {
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synth.current.cancel();
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}
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};
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}, []);
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const speak = () => {
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if (!synth.current || !text) return;
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if (synth.current.speaking) {
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synth.current.cancel();
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}
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const utterance = new SpeechSynthesisUtterance(text);
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const voice = voices.find(v => v.name === selectedVoice);
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if (voice) utterance.voice = voice;
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utterance.rate = rate;
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utterance.pitch = pitch;
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utterance.volume = volume;
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utterance.onstart = () => setIsActive(true);
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utterance.onend = () => setIsActive(false);
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utterance.onerror = () => {
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setIsActive(false);
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toast.error("播放出错");
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};
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synth.current.speak(utterance);
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};
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const stop = () => {
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if (synth.current) {
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synth.current.cancel();
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setIsActive(false);
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}
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};
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return (
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<div className="space-y-6 animate-in fade-in slide-in-from-bottom-4 duration-500">
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<div className="flex items-center space-x-4 border-b pb-4">
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<div className="flex h-12 w-12 items-center justify-center rounded-xl bg-linear-to-br from-cyan-500 to-blue-600 shadow-lg">
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<Volume2 className="h-6 w-6 text-white" />
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</div>
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<div>
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<h1 className="text-2xl font-bold tracking-tight">文字转语音 (TTS)</h1>
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<p className="text-muted-foreground">基于浏览器内置 API，无需安装插件</p>
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</div>
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</div>
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<div className="grid gap-6 lg:grid-cols-3">
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<Card className="lg:col-span-2">
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<CardHeader>
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<CardTitle className="text-base">输入文本</CardTitle>
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</CardHeader>
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<CardContent className="space-y-4">
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<Textarea
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placeholder="请在此输入想要朗读的文字..."
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className="min-h-75 text-lg leading-relaxed"
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value={text}
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onChange={(e) => setText(e.target.value)}
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/>
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<div className="flex gap-4">
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<Button onClick={speak} size="lg" className="flex-1 gap-2 h-14 text-lg shadow-lg hover:scale-[1.02] active:scale-[0.98] transition-all" disabled={isSpeaking}>
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<Play className="h-5 w-5 fill-current" />
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开始朗读
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</Button>
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{isSpeaking && (
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<Button onClick={stop} size="lg" variant="destructive" className="h-14 w-14 rounded-full p-0 shadow-lg animate-pulse">
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<Square className="h-5 w-5 fill-current" />
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</Button>
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)}
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</div>
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</CardContent>
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</Card>
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<Card className="lg:col-span-1">
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<CardHeader>
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<CardTitle className="text-base flex items-center gap-2">
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<Settings2 className="h-4 w-4" />
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语音设置
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</CardTitle>
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</CardHeader>
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<CardContent className="space-y-8">
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{/* Voice Selection */}
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<div className="space-y-2">
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<Label>选择音库 ({voices.length})</Label>
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<Select value={selectedVoice} onValueChange={setSelectedVoice}>
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<SelectTrigger>
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<SelectValue placeholder="加载中..." />
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</SelectTrigger>
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<SelectContent>
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{voices.map((v) => (
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<SelectItem key={v.name} value={v.name}>
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{v.name} ({v.lang})
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</SelectItem>
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))}
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</SelectContent>
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</Select>
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</div>
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{/* Rate */}
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<div className="space-y-4">
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<div className="flex justify-between">
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<Label>语速 (Rate)</Label>
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<span className="text-xs font-mono bg-muted px-1.5 rounded">{rate}x</span>
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</div>
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<Slider
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value={[rate]}
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onValueChange={(v) => setRate(v[0])}
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min={0.5}
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max={2}
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step={0.1}
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/>
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</div>
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{/* Pitch */}
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<div className="space-y-4">
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<div className="flex justify-between">
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<Label>音调 (Pitch)</Label>
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<span className="text-xs font-mono bg-muted px-1.5 rounded">{pitch}</span>
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</div>
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<Slider
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value={[pitch]}
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onValueChange={(v) => setPitch(v[0])}
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min={0}
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max={2}
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step={0.1}
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/>
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</div>
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{/* Volume */}
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<div className="space-y-4">
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<div className="flex justify-between">
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<Label>音量 (Volume)</Label>
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<span className="text-xs font-mono bg-muted px-1.5 rounded">{Math.round(volume * 100)}%</span>
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</div>
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<Slider
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value={[volume]}
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onValueChange={(v) => setVolume(v[0])}
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min={0}
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max={1}
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step={0.1}
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/>
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</div>
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</CardContent>
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</Card>
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</div>
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{/* Info Card */}
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<Card>
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<CardHeader>
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<CardTitle className="text-sm flex items-center gap-2">
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<Info className="h-4 w-4" />
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使用说明
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</CardTitle>
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</CardHeader>
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<CardContent className="text-xs text-muted-foreground grid md:grid-cols-2 gap-4">
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<ul className="list-disc pl-4 space-y-1">
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<li>文字转语音使用浏览器内置的 Web Speech API，无需安装额外软件</li>
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<li>支持多种语言，具体取决于您的操作系统和浏览器</li>
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</ul>
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<ul className="list-disc pl-4 space-y-1">
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<li>可调节语速、音调和音量以获得最佳效果</li>
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<li>推荐使用 Chrome 或 Edge 浏览器以获得最佳体验</li>
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</ul>
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</CardContent>
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</Card>
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</div>
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);
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}
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