Python高效实现CSV数据转换为规范的Excel文件

pip install Spire.XLS

from spire.xls import *

# 输入CSV文件路径
input_csv_file = "data.csv"
# 输出Excel文件路径
output_excel_file = "output.xlsx"

# data.csv内容如下：
# Name,Age,City
# Alice,30,New York
# Bob,24,London
# Charlie,35,Paris

# 创建一个Workbook对象
workbook = Workbook()

# 从CSV文件加载数据。
# 第二个参数是分隔符（这里是逗号），第三个和第四个参数是起始行和列索引。
workbook.LoadFromFile(input_csv_file, ",", 1, 1)

# 获取第一个工作表
sheet = workbook.Worksheets[0]

# 自动调整列宽以适应内容
sheet.AllocatedRange.AutoFitColumns()

# 将Workbook保存为Excel文件
workbook.SaveToFile(output_excel_file, ExcelVersion.Version2016)

print(f"CSV文件 '{input_csv_file}' 已成功转换为 Excel文件 '{output_excel_file}'。")

# 假设workbook和sheet已从CSV加载
# workbook = Workbook()
# workbook.LoadFromFile(input_csv_file, ",", 1, 1)
# sheet = workbook.Worksheets[0]

# 获取A1单元格的样式
cell_style = sheet.Range["A1"].Style

# 设置字体名称和大小
cell_style.Font.FontName = "Arial"
cell_style.Font.Size = 14

# 设置粗体、斜体和下划线
cell_style.Font.IsBold = True
cell_style.Font.IsItalic = True
cell_style.Font.Underline = UnderlineStyleType.Single

# 设置字体颜色为蓝色
cell_style.Font.Color = Color.get_Blue()

# 将样式应用回单元格
sheet.Range["A1"].Style = cell_style

# 保存文件以查看效果
# workbook.SaveToFile("styled_output.xlsx", ExcelVersion.Version2016)

# 设置B2单元格的背景色为浅黄色
sheet.Range["B2"].Style.KnownColor = ExcelKnownColors.LightYellow

# 设置C3单元格的边框
border_style = sheet.Range["C3"].Style.Borders
border_style[BordersLineType.EdgeLeft].LineStyle = LineStyleType.Thick
border_style[BordersLineType.EdgeLeft].Color = Color.get_Red()
border_style[BordersLineType.EdgeRight].LineStyle = LineStyleType.Medium
border_style[BordersLineType.EdgeRight].Color = Color.get_Green()
border_style[BordersLineType.EdgeTop].LineStyle = LineStyleType.Dashed
border_style[BordersLineType.EdgeTop].Color = Color.get_Blue()
border_style[BordersLineType.EdgeBottom].LineStyle = LineStyleType.Double
border_style[BordersLineType.EdgeBottom].Color = Color.get_Purple()

# 也可以设置整个区域的边框
sheet.Range["A1:C3"].Style.Borders.LineStyle = LineStyleType.Thin
sheet.Range["A1:C3"].Style.Borders.Color = Color.get_Black()

# 设置D4单元格水平居中，垂直居中
sheet.Range["D4"].Style.HorizontalAlignment = HorizontalAlignType.Center
sheet.Range["D4"].Style.VerticalAlignment = VerticalAlignType.Center

# 文本自动换行
sheet.Range["E5"].Style.WrapText = True
sheet.Range["E5"].ColumnWidth = 15 # 确保列宽足够触发换行
sheet.Range["E5"].Text = "这是一个很长的文本，需要自动换行才能完整显示。"

# 设置F6单元格左对齐并缩进1格
sheet.Range["F6"].Style.HorizontalAlignment = HorizontalAlignType.Left
sheet.Range["F6"].Style.IndentLevel = 1

# 设置G7单元格为货币格式（美元）
sheet.Range["G7"].NumberFormat = "$#,##0.00"
sheet.Range["G7"].Value = "12345.678"

# 设置H8单元格为百分比格式
sheet.Range["H8"].NumberFormat = "0.00%"
sheet.Range["H8"].Value = "0.75"

# 设置I9单元格为日期格式
sheet.Range["I9"].NumberFormat = "yyyy-mm-dd"
sheet.Range["I9"].Value = "2023-10-26" # 也可以是DateTime对象

# 自动调整所有已用列的宽度（在基础转换中已演示）
# sheet.AllocatedRange.AutoFitColumns()

# 手动设置第一列的宽度为20个字符
sheet.Columns[0].ColumnWidth = 20

# 手动设置第二行的行高为30磅
sheet.Rows[1].RowHeight = 30

# 合并A10到C10的单元格
sheet.Range["A10:C10"].Merge()
sheet.Range["A10"].Text = "这是合并后的标题"
sheet.Range["A10"].Style.HorizontalAlignment = HorizontalAlignType.Center
sheet.Range["A10"].Style.VerticalAlignment = VerticalAlignType.Center

# 为A列设置条件格式：如果值大于50，则背景色为红色
conditional_format = sheet.Range["A:A"].ConditionalFormats.AddCondition()
conditional_format.FormatType = ConditionalFormatType.CellValue
conditional_format.Operator = ComparisonOperatorType.GreaterThan
conditional_format.Formula1 = "50"
conditional_format.BackColor = Color.get_Red()

# 添加一个新的工作表
new_sheet = workbook.Worksheets.Add("Summary Data")

# 也可以重命名现有工作表
sheet.Name = "Raw Data"

from spire.xls import *

input_csv_file = "G:/Documents/data_with_headers.csv"
output_excel_file = "styled_data_report.xlsx"

# data_with_headers.csv 内容如下：
# Product,Sales,Region,Date
# Laptop,1200,East,2023-01-15
# Mouse,80,West,2023-01-20
# Keyboard,150,East,2023-02-01
# Monitor,600,South,2023-02-10
# Webcam,45,North,2023-03-05

workbook = Workbook()
workbook.LoadFromFile(input_csv_file, ",", 1, 1)
sheet = workbook.Worksheets[0]
sheet.Name = "销售数据"

# 设置标题行样式 (第一行)
header_style = sheet.Range["A1:D1"].Style
header_style.Font.IsBold = True
header_style.Font.Size = 12
header_style.Font.Color = Color.get_White()
header_style.KnownColor = ExcelColors.DarkBlue
header_style.HorizontalAlignment = HorizontalAlignType.Center
header_style.VerticalAlignment = VerticalAlignType.Center
header_style.Borders[BordersLineType.EdgeBottom].LineStyle = LineStyleType.Thin
header_style.Borders[BordersLineType.EdgeBottom].Color = Color.get_White()

# 设置销售额列（B列）为货币格式
sheet.Range[f"B2:B{sheet.Rows.Count}"].NumberFormat = "$#,##0.00"
# 也可以用：
#sheet.Range[2, 2, sheet.Rows.Count, 3].NumberFormat = "$#,##0.00"

# 设置日期列（D列）为日期格式
sheet.Range[f"D2:D{sheet.Rows.Count}"].NumberFormat = "yyyy/mm/dd"

# 自动调整所有列宽和行高
sheet.AllocatedRange.AutoFitColumns()
sheet.AllocatedRange.AutoFitRows()

# 添加一个新工作表作为摘要
summary_sheet = workbook.Worksheets.Add("数据摘要")
summary_sheet.Range["A1"].Text = "销售数据分析报告"
summary_sheet.Range["A1"].Style.Font.IsBold = True
summary_sheet.Range["A1"].Style.Font.Size = 16
summary_sheet.Range["A1"].Style.HorizontalAlignment = HorizontalAlignType.Center
summary_sheet.Range["A1:C1"].Merge() # 合并标题单元格
summary_sheet.AllocatedRange.AutoFitColumns()
summary_sheet.AllocatedRange.AutoFitRows()

# 保存最终的Excel文件
workbook.SaveToFile(output_excel_file, ExcelVersion.Version2016)

print(f"CSV文件 '{input_csv_file}' 已成功转换为并美化为 Excel文件 '{output_excel_file}'。")