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39 lines
1.3 KiB
Python
39 lines
1.3 KiB
Python
import streamlit as st
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import requests
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import json
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# 数据获取函数
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def get_bitcoin_price():
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try:
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# 获取 Bitcoin 的价格数据
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response = requests.get('https://api.coingecko.com/api/v3/simple/price?ids=bitcoin&vs_currencies=usd&include_24hr_change=true')
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data = response.json()
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# 获取当前价格和24小时变化
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current_price = data['bitcoin']['usd']
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price_change_percentage = data['bitcoin']['usd_24h_change']
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return current_price, price_change_percentage
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except requests.exceptions.RequestException as e:
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st.error(f"Error fetching data: {e}")
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return None, None
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# 初始化 Streamlit 应用
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st.title('实时比特币价格')
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st.subheader('获取最新的比特币价格信息及其24小时价格变化趋势')
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# 添加刷新按钮
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if st.button('刷新价格'):
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st.experimental_rerun()
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# 显示加载状态
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with st.spinner('加载中...'):
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current_price, price_change_percentage = get_bitcoin_price()
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# 显示数据
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if current_price is not None:
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st.metric(label="当前比特币价格 (USD)", value=f"${current_price}")
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if price_change_percentage is not None:
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st.metric(label="24小时变化 (%)", value=f"{price_change_percentage:.2f}%")
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else:
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st.error("无法获取数据，请稍后重试。") |