Initialized repository for project PDF translation interface
Co-authored-by: 李忠軒 <2166216+aken1023@users.noreply.github.com>
This commit is contained in:
v0
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components/pdf-translator.tsx
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222
components/pdf-translator.tsx
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"use client"
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import type React from "react"
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import { useState } from "react"
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import { Upload, FileText, Languages, Loader2 } from "lucide-react"
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import { Button } from "@/components/ui/button"
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import { Card } from "@/components/ui/card"
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import { Select, SelectContent, SelectItem, SelectTrigger, SelectValue } from "@/components/ui/select"
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import { Label } from "@/components/ui/label"
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const LANGUAGES = [
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{ code: "zh-TW", name: "繁體中文" },
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{ code: "zh-CN", name: "簡體中文" },
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{ code: "en", name: "English" },
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{ code: "ja", name: "日本語" },
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{ code: "ko", name: "한국어" },
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{ code: "es", name: "Español" },
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{ code: "fr", name: "Français" },
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{ code: "de", name: "Deutsch" },
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{ code: "it", name: "Italiano" },
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{ code: "pt", name: "Português" },
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{ code: "ru", name: "Русский" },
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{ code: "ar", name: "العربية" },
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{ code: "th", name: "ไทย" },
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{ code: "vi", name: "Tiếng Việt" },
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]
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export function PDFTranslator() {
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const [file, setFile] = useState<File | null>(null)
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const [targetLanguage, setTargetLanguage] = useState<string>("")
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const [isTranslating, setIsTranslating] = useState(false)
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const [translatedText, setTranslatedText] = useState<string>("")
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const [isDragging, setIsDragging] = useState(false)
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const handleFileChange = (e: React.ChangeEvent<HTMLInputElement>) => {
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const selectedFile = e.target.files?.[0]
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if (selectedFile && selectedFile.type === "application/pdf") {
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setFile(selectedFile)
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setTranslatedText("")
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} else {
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alert("請選擇PDF文件")
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}
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}
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const handleDragOver = (e: React.DragEvent) => {
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e.preventDefault()
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setIsDragging(true)
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}
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const handleDragLeave = (e: React.DragEvent) => {
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e.preventDefault()
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setIsDragging(false)
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}
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const handleDrop = (e: React.DragEvent) => {
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e.preventDefault()
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setIsDragging(false)
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const droppedFile = e.dataTransfer.files[0]
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if (droppedFile && droppedFile.type === "application/pdf") {
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setFile(droppedFile)
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setTranslatedText("")
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} else {
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alert("請選擇PDF文件")
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}
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}
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const handleTranslate = async () => {
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if (!file || !targetLanguage) {
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alert("請上傳PDF文件並選擇目標語言")
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return
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}
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setIsTranslating(true)
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setTranslatedText("")
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try {
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const formData = new FormData()
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formData.append("file", file)
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formData.append("targetLanguage", targetLanguage)
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const response = await fetch("/api/translate", {
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method: "POST",
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body: formData,
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})
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if (!response.ok) {
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throw new Error("翻譯失敗")
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}
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const data = await response.json()
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setTranslatedText(data.translatedText)
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} catch (error) {
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console.error("翻譯錯誤:", error)
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alert("翻譯過程中發生錯誤，請稍後再試")
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} finally {
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setIsTranslating(false)
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}
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}
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return (
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<div className="space-y-8">
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{/* Step 1: Upload File */}
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<Card className="border-4 border-primary p-8">
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<div className="space-y-6">
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<div>
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<h2 className="text-2xl font-bold text-foreground mb-2 uppercase tracking-wide">步驟 1: 上傳文件</h2>
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<p className="text-foreground/80">請上傳您想要翻譯的PDF文件</p>
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</div>
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<div className="space-y-4">
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<div className="flex gap-4">
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<div className="flex-1">
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<Label htmlFor="file-upload" className="block w-full cursor-pointer">
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<div className="border-4 border-primary bg-card hover:bg-secondary transition-colors p-6 text-center">
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<Upload className="w-8 h-8 mx-auto mb-2 text-primary" />
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<span className="text-foreground font-semibold">{file ? file.name : "選擇文件"}</span>
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</div>
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</Label>
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<input id="file-upload" type="file" accept=".pdf" onChange={handleFileChange} className="hidden" />
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</div>
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</div>
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<div
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onDragOver={handleDragOver}
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onDragLeave={handleDragLeave}
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onDrop={handleDrop}
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className={`border-4 border-primary bg-card p-8 text-center transition-colors ${
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isDragging ? "bg-secondary" : ""
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}`}
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>
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<FileText className="w-12 h-12 mx-auto mb-3 text-primary" />
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<p className="text-foreground font-semibold">拖放PDF文件到這裡</p>
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</div>
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</div>
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</div>
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</Card>
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{/* Step 2: Select Language */}
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<Card className="border-4 border-primary p-8">
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<div className="space-y-6">
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<div>
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<h2 className="text-2xl font-bold text-foreground mb-2 uppercase tracking-wide">步驟 2: 選擇目標語言</h2>
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<p className="text-foreground/80">選擇您想要翻譯成的語言</p>
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</div>
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<div className="space-y-4">
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<div>
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<Label htmlFor="language" className="text-foreground font-bold uppercase text-sm mb-2 block">
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目標語言:
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</Label>
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<Select value={targetLanguage} onValueChange={setTargetLanguage}>
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<SelectTrigger
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id="language"
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className="border-4 border-primary bg-card text-foreground font-semibold h-14"
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>
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<SelectValue placeholder="選擇語言" />
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</SelectTrigger>
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<SelectContent>
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{LANGUAGES.map((lang) => (
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<SelectItem key={lang.code} value={lang.code}>
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<div className="flex items-center gap-2">
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<Languages className="w-4 h-4" />
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{lang.name}
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</div>
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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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<Button
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onClick={handleTranslate}
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disabled={!file || !targetLanguage || isTranslating}
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className="w-full h-14 text-lg font-bold bg-accent hover:bg-accent/90 text-accent-foreground"
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>
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{isTranslating ? (
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<>
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<Loader2 className="w-5 h-5 mr-2 animate-spin" />
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翻譯中...
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</>
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) : (
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"開始翻譯"
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)}
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</Button>
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</div>
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</div>
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</Card>
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{/* Step 3: Translation Result */}
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{translatedText && (
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<Card className="border-4 border-primary p-8">
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<div className="space-y-6">
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<div>
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<h2 className="text-2xl font-bold text-foreground mb-2 uppercase tracking-wide">步驟 3: 翻譯結果</h2>
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<p className="text-foreground/80">您的文件已成功翻譯</p>
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</div>
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<div className="bg-card border-4 border-primary p-6 max-h-96 overflow-y-auto">
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<pre className="whitespace-pre-wrap text-foreground font-sans leading-relaxed">{translatedText}</pre>
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</div>
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<Button
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onClick={() => {
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const blob = new Blob([translatedText], { type: "text/plain" })
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const url = URL.createObjectURL(blob)
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const a = document.createElement("a")
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a.href = url
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a.download = `translated-${file?.name.replace(".pdf", ".txt")}`
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a.click()
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URL.revokeObjectURL(url)
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}}
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className="w-full h-14 text-lg font-bold bg-accent hover:bg-accent/90 text-accent-foreground"
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>
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下載翻譯文本
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</Button>
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</div>
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</Card>
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)}
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</div>
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)
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}
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