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一、Excel 基础入门

  • 2026-11-10 02:08:26
一、Excel 基础入门

1.1 界面认识

  • 工作簿:一个Excel文件

  • 工作表:工作簿底部的Sheet1、Sheet2等

  • 单元格:行号+列号定位,如A1

  • 功能区:顶部选项卡(开始、插入、公式、数据等)

1.2 基础操作

操作
方法
输入数据
双击单元格或选中后直接输入
自动填充
选中单元格右下角十字拖拽
插入行列
右键行号/列号 → 插入
冻结窗格
视图 → 冻结窗格,锁定首行或首列
筛选
数据 → 筛选,按条件筛选数据
排序
数据 → 升序/降序,或自定义排序

二、常用函数公式(必学)

2.1 基础函数

=SUM(A1:A10)        ' 求和
=AVERAGE(B1:B10)    ' 平均值
=COUNT(C1:C10)      ' 计数(数字)
=COUNTA(D1:D10)     ' 计数(非空)
=MAX(E1:E10)        ' 最大值
=MIN(F1:F10)        ' 最小值

2.2 条件判断

=IF(A1>=60, "及格", "不及格")     ' 如果A1≥60返回"及格",否则"不及格"
=IF(AND(A1>=60, B1>=60), "双科及格", "需努力")
=IF(OR(A1>=90, B1>=90), "有高分科目", "无高分")

2.3 查找匹配(⭐ 核心技能)

=VLOOKUP(查找值, 表格区域, 返回列号, 0)' 示例:根据工号查找姓名
=VLOOKUP(E2, A:B, 2, 0)
=XLOOKUP(查找值, 查找列, 返回列)   ' 新版,更简单好用' 示例:根据产品ID查找价格
=XLOOKUP(G2, A:A, C:C)

2.4 条件统计

=COUNTIF(A:A, "销售部")           ' 统计销售部人数
=SUMIF(B:B, ">100", C:C)          ' B列>100时,对C列求和
=COUNTIFS(A:A, "销售部", B:B, ">=5000")  ' 多条件计数
=SUMIFS(C:C, A:A, "销售部", B:B, ">=5000") ' 多条件求和

2.5 文本处理

=LEFT(A1, 3)      ' 取左边3个字符
=RIGHT(A1, 4)     ' 取右边4个字符
=MID(A1, 2, 5)    ' 从第2位开始取5个字符
=LEN(A1)          ' 字符长度
=TRIM(A1)         ' 去除多余空格
=TEXTJOIN(",", TRUE, A1:A5)  ' 合并单元格,用逗号分隔

三、数据透视表(数据分析神器)

操作步骤

  1. 选中数据区域 → 插入 → 数据透视表

  2. 选择放置位置(新工作表/现有工作表)

  3. 拖动字段到四个区域:

  • 行:要分组查看的字段(如部门、月份)

  • 列:横向分类的字段(可选)

  • 值:要计算的数值(如销售额、数量)

  • 筛选:全局筛选条件

常用技巧

  • 更改计算方式:右键值字段 → 值字段设置 → 选择求和/计数/平均值等

  • 添加切片器:选中透视表 → 插入切片器 → 多维度快速筛选

  • 分组:右键日期 → 组合 → 按月/季度/年分组

四、图表制作

图表类型
适用场景
柱状图
对比不同类别的数据
折线图
展示数据趋势变化
饼图
显示占比构成
条形图
类别名称较长时替代柱状图
组合图
不同数量级的数据同时展示

操作:选中数据 → 插入 → 选择图表类型 → 右键调整格式

五、常用快捷键

快捷键
功能
Ctrl + C
复制
Ctrl + V
粘贴
Ctrl + X
剪切
Ctrl + Z
撤销
Ctrl + Y
重做
Ctrl + F
查找
Ctrl + H
替换
Ctrl + A
全选
Ctrl + Shift + ↓
选中到末尾
Alt + =
自动求和
Ctrl + T
创建超级表
F4
重复上一步操作/切换绝对引用

六、常见问题速查

Q1: 输入长数字变成科学计数法(如身份证号)

解决:先输入单引号 ',再输入数字;或单元格格式设为“文本”

Q2: 公式不计算,显示为文本

解决:检查单元格格式是否为“文本”,改为“常规”后重新输入公式

Q3: VLOOKUP 查找不到(#N/A)

原因:查找值在表格首列不存在、有空格、数据类型不一致解决:用 TRIM() 清除空格,或用 -- 转换文本为数字

Q4: 如何删除重复值

操作:选中数据 → 数据 → 删除重复值

Q5: 如何拆分一列成多列

操作:选中列 → 数据 → 分列 → 按分隔符(逗号/空格等)或固定宽度拆分

七、学习建议

  1. 先掌握:基础函数(IF、SUM、VLOOKUP)、筛选排序、数据透视表 → 足以应对80%工作场景

  2. 再进阶:数组公式、Power Query、宏录制

  3. 实战练习:找一份真实数据(如销售记录、成绩表),自己动手做汇总分析

基本 文件 流程 错误 SQL 调试
  1. 请求信息 : 2026-11-10 11:34:24 HTTP/1.1 GET : http://h.sjds.net/a/494419.html
  2. 运行时间 : 0.091244s [ 吞吐率:10.96req/s ] 内存消耗:4,473.70kb 文件加载:140
  3. 缓存信息 : 0 reads,0 writes
  4. 会话信息 : SESSION_ID=2e8d27a06339dc26a8528478b7464de1
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  1. CONNECT:[ UseTime:0.000679s ] mysql:host=172.18.0.4;port=3306;dbname=h_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000813s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000533s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000380s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000586s ]
  6. SELECT * FROM `set` [ RunTime:0.000303s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000627s ]
  8. SELECT * FROM `article` WHERE `id` = 494419 LIMIT 1 [ RunTime:0.000437s ]
  9. UPDATE `article` SET `lasttime` = 1794281664 WHERE `id` = 494419 [ RunTime:0.001402s ]
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0.108475s