openpyxl各种操作汇总(2) |
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单元格多个单元格行、列只读取值
单元格
单元格位置作为工作表的键直接读取: >>> c = ws['A4']为单元格赋值: >>> ws['A4'] = 4 >>> c.value = 'hello, world' >>> _ = ws.cell(column=1, row=2, value="AA") 多个单元格可以使用切片访问单元格区域: >>> cell_range = ws['A1':'C2']使用数值格式: >>> # set date using a Python datetime >>> ws['A1'] = datetime.datetime(2010, 7, 21) >>> >>> ws['A1'].number_format 'yyyy-mm-dd h:mm:ss'使用公式: >>> # add a simple formula >>> ws["A1"] = "=SUM(1, 1)"合并单元格时,除左上角单元格外,所有单元格都将从工作表中删除: >>> ws.merge_cells('A2:D2') >>> ws.unmerge_cells('A2:D2') >>> >>> # or equivalently >>> ws.merge_cells(start_row=2, start_column=1, end_row=4, end_column=4) >>> ws.unmerge_cells(start_row=2, start_column=1, end_row=4, end_column=4) 行、列可以单独指定行、列、或者行列的范围: >>> colC = ws['C'] >>> col_range = ws['C:D'] >>> row10 = ws[10] >>> row_range = ws[5:10]可以使用Worksheet.iter_rows()方法遍历行: >>> for row in ws.iter_rows(min_row=1, max_col=3, max_row=2): ... for cell in row: ... print(cell)同样的Worksheet.iter_cols()方法将遍历列: >>> for col in ws.iter_cols(min_row=1, max_col=3, max_row=2): ... for cell in col: ... print(cell)遍历文件的所有行或列,可以使用Worksheet.rows属性: >>> ws = wb.active >>> ws['C9'] = 'hello world' >>> tuple(ws.rows) ((, , ), (, , ), (, , ), (, , ), (, , ), (, , ), (, , ), (, , ), (, , ))或Worksheet.columns属性: >>> tuple(ws.columns) ((, , , , , , ... , , ), (, , , , , , , , ))使用Worksheet.append()或者迭代使用Worksheet.cell()新增一行数据: >>> for row in range(1, 40): ... ws1.append(range(600)) >>> for row in range(10, 20): ... for col in range(27, 54): ... _ = ws3.cell(column=col, row=row, value="{0}".format(get_column_letter(col)))使用Worksheet.insert_rows()插入一行或几行: >>> from openpyxl.utils import get_column_letter >>> ws.insert_rows(7) >>> row7 = ws[7] >>> for col in range(27, 54): ... _ = ws3.cell(column=col, row=7, value="{0}".format(get_column_letter(col)))Worksheet.insert_cols()操作类似。Worksheet.delete_rows()和Worksheet.delete_cols()用来批量删除行和列。 只读取值使用Worksheet.values属性遍历工作表中的所有行,但只返回单元格值: for row in ws.values: for value in row: print(value)Worksheet.iter_rows()和Worksheet.iter_cols()可以设置values_only参数来仅返回单元格的值: >>> for row in ws.iter_rows(min_row=1, max_col=3, max_row=2, values_only=True): ... print(row) (None, None, None) (None, None, None) |
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