app.py

import gradio as gr

def dummy_translate(pdf_file):
    return "目前只是一个占位函数，稍后实现真正翻译逻辑。"

with gr.Blocks() as demo:
    gr.Markdown("# PDF 英文翻译器（开发中）")

    with gr.Row():
        pdf_input = gr.File(label="上传英文 PDF 文件", file_types=[".pdf"])
    
    translate_button = gr.Button("开始翻译")
    output_text = gr.Textbox(label="翻译后内容", lines=10)

    translate_button.click(fn=dummy_translate, inputs=pdf_input, outputs=output_text)

demo.launch()