我想将我的df转换为Excel工作表,但也想添加一个标题列来对所有列进行分类. 
复制:
import pandas as pd
# Create a Pandas dataframe from some data.
df = pd.DataFrame({'Data': [10, 20, 30, 20, 15, 30, 45]})
# Create a Pandas Excel writer using XlsxWriter as the engine.
writer = pd.ExcelWriter('pandas_simple.xlsx', engine='xlsxwriter')
# Convert the dataframe to an XlsxWriter Excel object.
df.to_excel(writer, sheet_name='Sheet1')
# Close the Pandas Excel writer and output the Excel file.
writer.save()
Run Code Online (Sandbox Code Playgroud) 嘿,我刚刚开始与R和Shiny合作.试图制作一个显示不同图表的仪表板.由于需要处理大量数据,因此在点击操作按钮后,图表或图表需要一些时间才能显示,即"启动广告系列"无论如何我可以在白色空白处显示旋转轮或加载图标,同时这种延迟发生了吗?右侧有空白的仪表板