零基础带你掌握Python Openpyxl单元格样式修改指南

pip install openpyxl

from openpyxl import Workbook
from openpyxl.styles import Font

wb = Workbook()
ws = wb.active
cell = ws['A1']
cell.value = "这是测试字体"

# 创建字体对象
# name: 字体名称, size: 字号, bold: 加粗, italic: 斜体, color: 16进制颜色代码(不带#)
custom_font = Font(name='微软雅黑', size=14, bold=True, italic=True, color='FF0000')

# 将字体应用到单元格
cell.font = custom_font

from openpyxl.styles import PatternFill

cell = ws['B1']
cell.value = "高亮背景"

# fill_type='solid' 表示纯色填充，fgColor 设置前景色(即背景显示的颜色)
custom_fill = PatternFill(fill_type='solid', fgColor='FFFF00') # 纯黄背景

cell.fill = custom_fill

from openpyxl.styles import Alignment

cell = ws['C1']
cell.value = "居中对齐\n自动换行"

# horizontal: 水平对齐 (center, left, right)
# vertical: 垂直对齐 (center, top, bottom)
# wrap_text: 自动换行 (True/False)
custom_alignment = Alignment(horizontal='center', vertical='center', wrap_text=True)

cell.alignment = custom_alignment

from openpyxl.styles import Border, Side

cell = ws['D1']
cell.value = "带边框的单元格"

# 定义线条样式 (border_style 可以是 'thin', 'thick', 'dashed', 'dotted' 等)
thin_side = Side(border_style='thin', color='000000') # 黑色细线

# 将线条应用到边框的四个方向
custom_border = Border(left=thin_side, right=thin_side, top=thin_side, bottom=thin_side)

cell.border = custom_border

from openpyxl import Workbook
from openpyxl.styles import Font, PatternFill, Alignment, Border, Side

def create_styled_excel():
    # 1. 创建工作簿和工作表
    wb = Workbook()
    ws = wb.active
    ws.title = "销售报表"

    # 2. 准备表头数据
    headers = ['日期', '产品名称', '销售额', '负责人']
    ws.append(headers)

    # 3. 定义表头样式
    header_font = Font(name='黑体', size=12, bold=True, color='FFFFFF') # 白色粗体
    header_fill = PatternFill(fill_type='solid', fgColor='4F81BD')      # 蓝色背景
    header_align = Alignment(horizontal='center', vertical='center')    # 居中对齐
    
    thin_side = Side(border_style='thin', color='000000')
    header_border = Border(left=thin_side, right=thin_side, top=thin_side, bottom=thin_side)

    # 4. 循环遍历第一行的单元格，应用样式
    for cell in ws[1]:
        cell.font = header_font
        cell.fill = header_fill
        cell.alignment = header_align
        cell.border = header_border
        
        # 顺便调整一下列宽，让表格更美观
        ws.column_dimensions[cell.column_letter].width = 15

    # 5. 保存文件
    wb.save("Styled_Report.xlsx")
    print("Excel文件生成成功，样式已应用！")

if __name__ == "__main__":
    create_styled_excel()