app.py

import gradio as gr
import json
from typing import Dict, Any

def validate_json(json_text: str) -> Dict[str, Any]:
    try:
        parsed_json = json.loads(json_text)
        return {"is_valid": True, "parsed_json": parsed_json}
    except json.JSONDecodeError as e:
        return {"is_valid": False, "error": str(e)}

def display_result(result: Dict[str, Any]) -> str:
    if result["is_valid"]:
        return f"JSON 有效。解析結果：\n{json.dumps(result['parsed_json'], indent=2, ensure_ascii=False)}"
    else:
        return f"JSON 無效。錯誤：{result['error']}"

def create_interface() -> gr.Blocks:
    with gr.Blocks() as demo:
        gr.Markdown("# JSON 驗證器")
        
        with gr.Row():
            json_input = gr.Textbox(label="請輸入 JSON 文字", lines=5)
            output = gr.Textbox(label="驗證結果", lines=5)
        
        validate_button = gr.Button("驗證 JSON")
        validate_button.click(
            fn=lambda x: display_result(validate_json(x)),
            inputs=json_input,
            outputs=output
        )
    
    return demo

if __name__ == "__main__":
    interface = create_interface()
    interface.launch(share=True)