Merge branch 'master' of https://github.com/JustDoPython/python-examples

Author: cxhuan

chaoxi/README.md

@@ -9,6 +9,8 @@ Python技术 公众号文章代码库
 
 ## 实例代码 
 
+[方便！Python 操作 Excel 神器 xlsxwriter 初识！](https://github.com/JustDoPython/python-examples/tree/master/chaoxi/xlsxwriter) 方便！Python 操作 Excel 神器 xlsxwriter 初识！
+
 [神器 Pandas 绘图大全(上)！](https://github.com/JustDoPython/python-examples/tree/master/chaoxi/Pandas2) 神器 Pandas 绘图大全(中)！
 
 [神器 Pandas 绘图大全(上)！](https://github.com/JustDoPython/python-examples/tree/master/chaoxi/Pandas1) 神器 Pandas 绘图大全(上)！

chaoxi/xlsxwriter/Python_excel_xlsxwriter.py

@@ -0,0 +1,160 @@
+import xlsxwriter
+from datetime import datetime
+def simple_use():
+    import xlsxwriter
+
+    workbook = xlsxwriter.Workbook('demo.xlsx')  # 建立文件
+
+    worksheet = workbook.add_worksheet()  # 建立sheet， 可以使用work.add_worksheet('employee')来指定sheet名，如果命名中文名会报UnicodeDecodeErro的错误
+
+    worksheet.write('A1', 'Hello world')  # 向A1写入文字
+
+    workbook.close()
+
+def simple_example():
+
+    # 创建一个新的Excel文件并添加一个工作表
+    workbook = xlsxwriter.Workbook('example_demo.xlsx')
+    worksheet = workbook.add_worksheet()
+
+    # 确定第一栏，使文字更清楚
+    worksheet.set_column('A:A', 20)
+
+    # 添加粗体格式以突出显示单元格
+    bold = workbook.add_format({'bold': True})
+
+    # 简单的写一些文字
+    worksheet.write('A1', 'Hello')
+
+    # 另起一行写入文字并加粗
+    worksheet.write('A2', 'Python 技术', bold)
+
+    # 用行/列表示法写一些数字
+    worksheet.write(2, 0, 123)
+    worksheet.write(3, 0, 13.432)
+
+    # 插入一张图片.
+    worksheet.insert_image('B5', 'logo.jpeg')
+
+    workbook.close()
+
+def sum_data():
+    workbook = xlsxwriter.Workbook('demo.xlsx')  # 建立文件
+    worksheet = workbook.add_worksheet()
+    add_data = (
+        ['A1', 1087],
+        ['A2', 1056],
+        ['A3', 300],
+        ['A4', 590],
+    )
+    # 按标号写入是从0开始的，按绝对位置'A1'写入是从1开始的
+    row = 0
+    col = 0
+
+    # 遍历数据并逐行写出它
+    for item, cost in (add_data):
+        worksheet.write(row, col, item)
+        worksheet.write(row, col + 1, cost)
+        row += 1
+
+    # 用公式写出总数
+    worksheet.write(row, 0, 'Total')
+    worksheet.write(row, 1, '=SUM(B1:B4)')  # 调用excel的公式表达式
+
+    workbook.close()
+
+def self_define_format():
+    # 建文件及sheet.
+    workbook = xlsxwriter.Workbook('demo2.xlsx')
+    worksheet = workbook.add_worksheet()
+
+    # Add a bold format to use to highlight cells. 设置粗体，默认是False
+    bold = workbook.add_format({'bold': True})
+
+    # 定义数字格式
+    money = workbook.add_format({'num_format': '$#,##0'})
+
+    # Write some data headers. 带自定义粗体blod格式写表头
+    worksheet.write('A1', 'Item', bold)
+    worksheet.write('B1', 'Cost', bold)
+
+    # Some data we want to write to the worksheet.
+    add_data = (
+        ['A1', 1087],
+        ['A2', 1056],
+        ['A3', 300],
+        ['A4', 590],
+    )
+
+    # Start from the first cell below the headers.
+    row = 1
+    col = 0
+
+    # Iterate over the data and write it out row by row.
+    for item, cost in (add_data):
+        worksheet.write(row, col, item)  # 带默认格式写入
+        worksheet.write(row, col + 1, cost, money)  # 带自定义money格式写入
+        row += 1
+
+    # Write a total using a formula.
+    worksheet.write(row, 0, 'Total', bold)
+    worksheet.write(row, 1, '=SUM(B2:B5)', money)
+
+    workbook.close()
+
+def write_date():
+
+    from datetime import datetime
+    workbook = xlsxwriter.Workbook('demo3.xlsx')
+    worksheet = workbook.add_worksheet()
+
+    # 添加粗体格式以突出显示单元格.
+    bold = workbook.add_format({'bold': 1})
+
+    # 为带钱的单元格添加数字格式.
+    money_format = workbook.add_format({'num_format': '$#,##0'})
+
+    # 添加Excel日期格式.
+    date_format = workbook.add_format({'num_format': 'mmmm d yyyy'})
+
+    # 调整列的宽度
+    worksheet.set_column(1, 1, 15)
+
+    # 写入数据表头
+    worksheet.write('A1', 'Item', bold)
+    worksheet.write('B1', 'Date', bold)
+    worksheet.write('C1', 'Cost', bold)
+
+    # 将数据写入工作表
+    add_data = (
+        ['A1', '2021-01-13', 1875],
+        ['A2', '2021-07-14', 345],
+        ['A3', '2022-01-01', 564],
+        ['A4', '2021-01-26', 10987],
+    )
+
+    # 从标题下面的第一个单元格开始.
+    row = 1
+    col = 0
+
+    for item, date_str, cost in (add_data):
+        # 将日期字符串转换为datetime对象
+        date = datetime.strptime(date_str, "%Y-%m-%d")
+
+        worksheet.write_string(row, col, item)
+        worksheet.write_datetime(row, col + 1, date, date_format)
+        worksheet.write_number(row, col + 2, cost, money_format)
+        row += 1
+
+    # 用公式写出总数
+    worksheet.write(row, 0, 'Total', bold)
+    worksheet.write(row, 2, '=SUM(C2:C5)', money_format)
+
+    workbook.close()
+
+if __name__ == '__main__':
+   # simple_example()
+   #simple_use()
+   #sum_data()
+   #self_define_format()
+   write_date()