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第十一篇拓展|3个Excel自动化高阶实操案例(零基础可直接运行)

  • 2026-11-11 07:30:35
第十一篇拓展|3个Excel自动化高阶实操案例(零基础可直接运行)

拓展案例一:Python一键批量清空Excel空白行,自动规整表格

🔥 实战场景

日常整理导出的Excel报表、汇总数据表,经常出现大量空白行、冗余空行,手动逐行删除耗时费力,还容易误删有效数据。本脚本可自动识别表格空白行,一键批量清理,自动规整表格排版。

适配知识点:openpyxl表格遍历、单元格取值、条件判断、行列删除

完整可运行代码

from openpyxl import load_workbook# 加载目标Excel文件wb = load_workbook("学生成绩统计表.xlsx")ws = wb["学生成绩表"]# 从后往前遍历行(删除行必须倒序遍历,避免下标错乱)max_row = ws.max_rowdel_row_list = []# 识别所有空白行for row in range(1, max_row + 1):    # 判断当前行首个单元格是否为空    cell_value = ws.cell(row=row, column=1).value    if cell_value is None:        del_row_list.append(row)# 批量删除空白行for row in reversed(del_row_list):    ws.delete_rows(row)# 保存规整后的表格wb.save("学生成绩统计表_规整版.xlsx")print(f"✅ 清理完成!共删除 {len(del_row_list)} 行空白数据")

逐行核心解析

1、倒序遍历行:删除表格行必须从下往上遍历,防止删除上行后,下行下标偏移,导致漏删、错删;

2、空白行识别:通过判断单元格值是否为空,精准筛选所有冗余空行;

3、批量删除:统一收集空行下标,批量执行删除,运行效率远超逐行判断删除。

落地用途

适配各类导出报表、汇总表格、原始数据清洗,一键去除冗余空白,让表格整洁规范,无需手动排版。

拓展案例二:Python自动筛选Excel数据,批量提取合格/不合格人员

🔥 实战场景

学生成绩统计、员工考核评分、数据筛查场景中,需要单独提取及格、优秀或不合格的数据。不用手动筛选、复制粘贴,Python一键自动分类提取,生成独立数据。

适配知识点:表格遍历、数据条件筛选、单元格写入、批量数据处理

完整可运行代码

from openpyxl import load_workbook# 加载原始成绩表格wb = load_workbook("学生成绩统计表_规整版.xlsx")ws = wb["学生成绩表"]# 新建工作表,存放筛选后的不及格数据new_ws = wb.create_sheet("不及格名单")# 写入新表表头new_ws["A1"] = "姓名"new_ws["B1"] = "分数"new_ws["C1"] = "评级"# 遍历原始表格数据,筛选不及格数据row_num = 2  # 新表数据起始行for row in range(2, ws.max_row + 1):    name = ws.cell(row=row, column=1).value    score = ws.cell(row=row, column=2).value    level = ws.cell(row=row, column=3).value    # 筛选不及格数据    if level == "不及格":        new_ws.cell(row=row_num, column=1, value=name)        new_ws.cell(row=row_num, column=2, value=score)        new_ws.cell(row=row_num, column=3, value=level)        row_num += 1# 保存文件wb.save("学生成绩_筛选分类版.xlsx")print("✅ 数据筛选完成!不及格名单已自动生成独立工作表")

逐行核心解析

1、新建工作表:通过 create_sheet 自动创建分页,分类存储筛选数据,不破坏原始表格;

2、精准筛选:遍历所有有效数据行,匹配「不及格」条件,精准抓取目标数据;

3、自动写入:动态计数写入数据,无需固定行列,适配任意条数的表格数据。

落地用途

可自由修改筛选条件(优秀/良好/及格),适配员工绩效筛选、学生成绩分类、客户数据筛选等所有办公场景。

拓展案例三:Python批量修改Excel单元格格式,统一美化表格

🔥 实战场景

原始导出的Excel表格格式混乱、字体大小不一、表头无高亮,手动美化耗时极长。本脚本可一键批量设置字体、居中对齐、表头加粗高亮,自动标准化美化表格。

适配知识点:openpyxl样式设置、批量单元格操作、表格格式统一优化

完整可运行代码

from openpyxl import load_workbookfrom openpyxl.styles import Font, Alignment# 加载表格文件wb = load_workbook("学生成绩_筛选分类版.xlsx")ws = wb["学生成绩表"]# 1、设置表头样式:加粗、12号字体、居中对齐header_font = Font(bold=True, size=12)center_alignment = Alignment(horizontal="center", vertical="center")# 批量美化表头(第一行)for col in range(1, ws.max_column + 1):    cell = ws.cell(row=1, column=col)    cell.font = header_font    cell.alignment = center_alignment# 2、设置内容行样式:统一字体、居中对齐content_font = Font(size=11)for row in range(2, ws.max_row + 1):    for col in range(1, ws.max_column + 1):        cell = ws.cell(row=row, column=col)        cell.font = content_font        cell.alignment = center_alignment# 3、自动适配列宽for col in ws.columns:    max_length = 0    column = col[0].column_letter    for cell in col:        if cell.value:            max_length = max(max_length, len(str(cell.value)))    ws.column_dimensions[column].width = max_length + 4# 保存美化后的表格wb.save("学生成绩_标准化美化版.xlsx")print("✅ 表格一键美化完成!格式、列宽全部自动统一")

逐行核心解析

1、样式封装:单独定义表头、内容字体样式,实现表头高亮区分、内容统一规范;

2、全局居中:批量设置所有单元格居中对齐,解决表格排版杂乱问题;

3、自适应列宽:自动根据内容长度调整列宽,杜绝文字被遮挡,无需手动拖拽调整。

落地用途

所有需要汇报、归档、上交的Excel报表均可使用,一键标准化美化,告别手动调格式,表格颜值、专业性直接拉满!

写在最后

以上3个实战案例,完美承接第十一篇Excel自动化核心知识点,覆盖数据清洗、数据筛选、表格美化三大职场高频刚需场景。

所有代码无需复杂修改,直接复制运行即可落地使用,真正实现用Python替代80%的手动Excel操作,零基础也能轻松上手办公自动化!

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  139. /www/wwwroot/h.sjds.net/runtime/temp/c1d6e8c94b2c2fa10e259903674c804d.php ( 8.11 KB )
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  1. CONNECT:[ UseTime:0.000598s ] mysql:host=172.18.0.4;port=3306;dbname=h_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000832s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000434s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000385s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000493s ]
  6. SELECT * FROM `set` [ RunTime:0.000284s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000639s ]
  8. SELECT * FROM `article` WHERE `id` = 535087 LIMIT 1 [ RunTime:0.000376s ]
  9. UPDATE `article` SET `lasttime` = 1794361900 WHERE `id` = 535087 [ RunTime:0.001304s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 65 LIMIT 1 [ RunTime:0.000304s ]
  11. SELECT * FROM `article` WHERE `id` < 535087 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000420s ]
  12. SELECT * FROM `article` WHERE `id` > 535087 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000348s ]
  13. SELECT * FROM `article` WHERE `id` < 535087 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000595s ]
  14. SELECT * FROM `article` WHERE `id` < 535087 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000506s ]
  15. SELECT * FROM `article` WHERE `id` < 535087 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000472s ]
0.111246s