[英]How to format all cells in one sheet based on corresponding cell values in another sheet using XlsxWriter?
我正在使用XlsxWriter将两个熊猫DataFrames
导出到Excel,每个DataFrame
都有一个单独的工作表。 我想根据另一张纸中的值将一种颜色格式应用于一张纸中的所有单元格,它们基于列名和行号一对一地对应。
例:
Sheet1
A B C
1 1 3 1
2 0 4 2
Sheet2
A B C
1 a d b
2 b a a
我想为Sheet1中所有在Sheet2中具有值“ a”的单元格分配一种颜色格式。
第一步是在Excel中计算条件格式,然后将其传输到XlsxWriter。
类似于以下内容的东西应该起作用:
import pandas as pd
# Create some Pandas dataframes from some data.
df1 = pd.DataFrame([[ 1, 3, 1 ], [ 0, 4, 2 ]])
df2 = pd.DataFrame([['a', 'd', 'b'], ['b', 'a', 'a']])
# Create a Pandas Excel writer using XlsxWriter as the engine.
writer = pd.ExcelWriter('pandas_xlsxwriter.xlsx', engine='xlsxwriter')
# Write each dataframe to a different worksheet.
df1.to_excel(writer, sheet_name='Sheet1', header=False, index=False)
df2.to_excel(writer, sheet_name='Sheet2', header=False, index=False)
# Get the xlsxwriter workbook and worksheet objects.
workbook = writer.book
worksheet = writer.sheets['Sheet1']
# Create a format for the conditional format.
condition_format = workbook.add_format({'bg_color': '#C6EFCE',
'font_color': '#006100'})
# Write a conditional format over a range.
worksheet.conditional_format('A1:C2', {'type': 'formula',
'criteria': '=Sheet2!A1="a"',
'format': condition_format})
# Close the Pandas Excel writer and output the Excel file.
writer.save()
输出:
请注意,Excel需要在公式=Sheet2!A1="a"
的字符串周围加上双引号,并且通过使用相对单元格引用 ( A1
不是绝对值$A$1
),该公式将分别应用于范围中的每个单元格。
您可以将条件格式应用于基于数据框的范围,如下所示:
# Write a conditional format over a range.
start_row = 0
start_col = 0
end_row = df1.shape[0] -1
end_col = df1.shape[1] -1
worksheet.conditional_format(start_row, start_col, end_row, end_col,
{'type': 'formula',
'criteria': '=Sheet2!A1="a"',
'format': condition_format})
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