- \n
- left<\/span>\u3001<\/span>right<\/span>\u3001<\/span>top<\/span>\u3001<\/span>bottom<\/span>\u3001<\/span>diagonal<\/span>\u2014<\/span>Define the left, right, top, bottom, and diagonal borders, as **Side** objects.<\/span><\/li>\n
- diagonalDown<\/span>\u3001<\/span>diagonalUp<\/span>\u2014<\/span>Boolean values, define the direction of the diagonal line. It can be drawn from the top-left to bottom-right, or from the bottom-left to top-right.<\/span><\/li>\n<\/ul>\n
A Side object represents a border, which is a line-shaped graphical element. Its main properties include the line style and color. The constructor for this Side object is as follows:<\/p>\n
Side(style=None, color=None, border_style=None)<\/p>\n
Where<\/span>\uff1a<\/span><\/p>\n
- \n
- style<\/span>\u2014<\/span>The border style, which must be one of: <\/span>“hair”<\/span>\u3001<\/span>“dashed”<\/span>\u3001<\/span>“mediumDashDot”<\/span>\u3001<\/span>“mediumDashDotDot”<\/span>\u3001<\/span>“slantDashDot”<\/span>\u3001<\/span>“double”<\/span>\u3001<\/span>“thick”<\/span>\u3001<\/span>“mediumDashed”<\/span>\u3001<\/span>“thin”<\/span>\u3001<\/span>“medium”<\/span>\u3001<\/span>“dashDotDot”<\/span>\u3001<\/span>“dashDot”<\/span>\u3001<\/span>“dotted”<\/span>\u3002<\/span><\/li>\n
- color<\/span>\u2014<\/span>The color of the border.<\/span><\/li>\n
- border_style<\/span>\u2014<\/span>An alias for style.<\/span><\/li>\n<\/ul>\n
Sample Code<\/h2>\n\n\n
#Cell Style: Setting Borders\n\n#Import load_workbook function\nfrom openpyxl import Workbook\n\n#Create a new workbook\nwb=Workbook()\n#Get the active worksheet\nws=wb.active\n\n#Import Border class and Side class\nfrom openpyxl.styles import Border, Side\n\n#Set cell borders\n#Use the Border function to create individual borders\nws.cell(row=4, column=4).border = Border(left=Side(border_style='thin', \\\n color='FF0000'), right=Side(border_style='thin', \\\n color='FF0000'), top=Side(border_style='double', \\\n color='FF0000'), bottom=Side(border_style='double', \\\n color='FF0000'))\n\nwb.save('test.xlsx')\nwb.close()<\/code><\/pre>\n\n\n\n![\"Set](\"https:\/\/openpyxl.com\/blog\/wp-content\/uploads\/2026\/01\/12.png\")
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- color<\/span>\u2014<\/span>The color of the border.<\/span><\/li>\n
- diagonalDown<\/span>\u3001<\/span>diagonalUp<\/span>\u2014<\/span>Boolean values, define the direction of the diagonal line. It can be drawn from the top-left to bottom-right, or from the bottom-left to top-right.<\/span><\/li>\n<\/ul>\n