import gradio as gr

def simple_greet(name):
    if not name:
        name = "朋友"
    return f"你好, {name}! API调用成功! 🎉"

demo = gr.Interface(
    fn=simple_greet,
    inputs=gr.Textbox(label="请输入你的名字"),
    outputs=gr.Textbox(label="问候语"),
    title="我的简单测试应用"
)

demo.launch()