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[英]How to format a bokeh DataTable cell based on another column value?
[英]Conditional format cell in column based on it corresponding value in another column
我從數據框中創建了一個excel文件,如下所示:
In [215]: import pandas as pd
In [216]: df = pd.DataFrame({"Name": ["A", "B", "C"], "Status": ['y', 'n', 'yy']})
In [217]: df
Out[217]:
Name Status
0 A y
1 B n
2 C yy
如何根據Status
的值為“Name”設置bg_color
? 我嘗試了幾個選項沒有成功:
format1 = workbook.add_format({"bg_color": "#669731"})
format2 = workbook.add_format({"bg_color": "#FFFA22"})
format3 = workbook.add_format({"bg_color": "#A43829"})
選項1
worksheet.conditional_format("A2",
{"type": "formula",
"criteria": "=ISNUMBER(SEARCH('y', B2))",
"format": format1
}
)
選項2
worksheet.conditional_format("A2",
{"type": "formula",
"criteria": "=$B$2='y'",
"format": format1
}
)
這些都沒有給出預期的結果,當我打開文件時,我收到以下消息的錯誤: .xlsx中的不可讀內容
如果我能以某種方式設置這樣做而不迭代數據幀的值,那將是很好的。
Excel似乎不喜歡字符串上條件格式的單引號。 如果你在里面有雙引號,它可以工作
"criteria": '=($B$2="y")'
與
"criteria": "=($B$2='y')"
我在下面給出了一個完整的可重現的示例,其中包含解決方案的屏幕截圖。
import pandas as pd
df = pd.DataFrame({"Name": ["A", "B", "C"], "Status": ['y', 'n', 'yy']})
writer = pd.ExcelWriter('test.xlsx', engine='xlsxwriter')
df.to_excel(writer, sheet_name='Sheet1', index=False)
workbook = writer.book
worksheet = writer.sheets['Sheet1']
format1 = workbook.add_format({"bg_color": "#669731"})
worksheet.conditional_format("A2",
{"type": "formula",
"criteria": '=($B$2="y")',
"format": format1
}
)
workbook.close()
如果要為列中的1000個單元格設置此條件格式,則可以使用條件格式的代碼。
worksheet.conditional_format("A2:A1001",
{"type": "formula",
"criteria": '=(B2:B1001="y")',
"format": format1
}
)
另一方面,如果你想在一個范圍內設置多個條件,我認為這是可能的唯一方法是使用for循環,用匹配條件的格式寫每個單元格。 我已經提供了下面的示例,它是預期的輸出。 請注意,如果它滿足三個條件中的任何一個條件,它會覆蓋已經放入單元格中的內容,這有點作弊。
import pandas as pd
df = pd.DataFrame({"Name": ["A", "B", "C"], "Status": ['y', 'n', 'yy']})
writer = pd.ExcelWriter('test.xlsx', engine='xlsxwriter')
df.to_excel(writer, sheet_name='Sheet1', index=False)
workbook = writer.book
worksheet = writer.sheets['Sheet1']
format1 = workbook.add_format({"bg_color": "#669731"})
format2 = workbook.add_format({"bg_color": "#FFFA22"})
format3 = workbook.add_format({"bg_color": "#A43829"})
for i in range (0, len(df)):
if df['Status'].ix[i] == "y":
worksheet.write(i+1, 0, df['Name'].ix[i], format1)
elif df['Status'].ix[i] == "n":
worksheet.write(i+1, 0, df['Name'].ix[i], format2)
elif df['Status'].ix[i] == "yy":
worksheet.write(i+1, 0, df['Name'].ix[i], format3)
workbook.close()
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