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Excel 基础使用方法(结合计算机一级 考点)

  • 2026-11-01 19:30:30
Excel 基础使用方法(结合计算机一级 考点)
Excel 是计算机一级第二大题(电子表格)

占20 分,核心考:单元格格式、数据录入、公式函数、排序筛选、图表制作、页面设置,下面按考试高频考点 + 标准操作 + 避坑技巧

整理,搭配清晰步骤,适配真题练习。

01
一、基础操作(必考)

1. 界面与基础概念

  • 行:数字编号 1、2、3…;

  • 列:字母 A、B、C…;

  • 单元格:行 + 列(如 A1);

  • 工作表:Sheet1/Sheet2,可重命名、插入、删除。

  • 一级常考:重命名工作表、移动复制工作表、设置标签颜色。

2. 数据录入

  1. 普通输入:直接在单元格打字;

  2. 序号快速填充:输入 1、2,选中下拉填充;或输入 1,按住Ctrl 下拉;

  3. 特殊格式:日期、百分比、文本型数字(身份证号:先输入英文单引号 ' 再输数字);

  4. 快捷键:Ctrl+S保存、Ctrl+C/X/V复制剪切粘贴、Ctrl+Z撤销。

3. 单元格格式设置(高频得分点)

开始选项卡 → 数字 / 字体 / 对齐 / 边框

  1. 字体:宋体、字号、加粗、颜色;

  2. 对齐:水平居中、垂直居中(一级必考);

  3. 数字格式:数值(保留小数位)、百分比、日期、货币;

  4. 边框底纹:为区域加内外边框、填充颜色;

  5. 合并单元格:选中区域 → 开始 → 合并后居中(标题常用)。

02
二、公式与函数(一级核心难点,必考)

1. 公式基础

  • 所有公式必须以 = 开头;

  • 运算符:+加、-减、*乘、/除;

  • 例:=A2+B2(计算 A2+B2)。

2. 一级必考 4 个函数(真题必出)

  1. 求和 SUM:=SUM(区域) 例:=SUM(A2:A10) 计算 A2 到 A10 总和

  2. 平均值 AVERAGE:=AVERAGE(A2:A10) 求平均分

  3. 最大值 MAX / 最小值 MIN:=MAX(A2:A10)、=MIN(A2:A10)

  4. 条件统计 COUNTIF:=COUNTIF(区域,"条件") 例:=COUNTIF(B2:B10,">60") 统计大于 60 的个数

3. 绝对引用(易错点)

  • 格式:$A$1(固定单元格);一级考下拉公式时固定某列 / 某行,如=$A2、=A$2。

03
三、数据处理(排序、筛选、分类汇总)

1. 数据排序(必考)

数据 → 排序

  • 主要关键字、次要关键字;升序 / 降序;

  • 注意:必须选中数据区域,包含表头,避免数据错位。

2. 自动筛选

数据 → 筛选

  • 表头出现下拉箭头,可按条件筛选(大于、小于、文本匹配);

  • 取消筛选:再次点击【筛选】。

3. 分类汇总(高频)

数据 → 分类汇总

  • 步骤:先按分类字段排序 → 再分类汇总;

  • 设置:分类字段、汇总方式(求和 / 平均值)、选定汇总项。

04
四、图表制作(必考大题)

插入 → 图表(一级常考:柱形图、折线图、饼图)

  1. 选中数据区域(含表头);

  2. 插入对应图表;

  3. 图表格式:添加图表标题、坐标轴标题、数据标签;

  4. 调整大小、位置、样式。

05
五、页面布局与打印设置

页面布局选项卡

  1. 纸张大小:A4;纸张方向:纵向 / 横向;

  2. 页边距:调整上下左右边距;

  3. 打印区域:设置需要打印的单元格;

  4. 冻结窗格:视图 → 冻结窗格(冻结首行,看长表格用)。

06
六、计算机一级 Excel 避坑指南
  1. 公式必须输等号 =`,不能直接输算式;

  2. 函数括号、逗号必须是英文半角符号;

  3. 排序、筛选一定要选中完整数据区域,不要漏行漏列;

  4. 分类汇总前必须先排序,否则汇总错误;

  5. 保存严格按题目要求:文件名、保存位置。

05
七、总结

Excel 一级 20 分,函数 + 图表 + 数据排序筛选是拿分核心,操作步骤固定、套路明显。多练真题,记住 4 个必考函数,规范格式设置,就能稳稳拿分。

基本 文件 流程 错误 SQL 调试
  1. 请求信息 : 2026-11-02 22:05:18 HTTP/1.1 GET : http://h.sjds.net/a/523124.html
  2. 运行时间 : 0.078169s [ 吞吐率:12.79req/s ] 内存消耗:4,379.33kb 文件加载:140
  3. 缓存信息 : 0 reads,0 writes
  4. 会话信息 : SESSION_ID=3b7da248ff2d8b449f08107f25c0f6fa
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  1. CONNECT:[ UseTime:0.000728s ] mysql:host=172.18.0.4;port=3306;dbname=h_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000931s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000440s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000464s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000601s ]
  6. SELECT * FROM `set` [ RunTime:0.000347s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000681s ]
  8. SELECT * FROM `article` WHERE `id` = 523124 LIMIT 1 [ RunTime:0.000427s ]
  9. UPDATE `article` SET `lasttime` = 1793628318 WHERE `id` = 523124 [ RunTime:0.001894s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 65 LIMIT 1 [ RunTime:0.000371s ]
  11. SELECT * FROM `article` WHERE `id` < 523124 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000481s ]
  12. SELECT * FROM `article` WHERE `id` > 523124 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000418s ]
  13. SELECT * FROM `article` WHERE `id` < 523124 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000564s ]
  14. SELECT * FROM `article` WHERE `id` < 523124 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000602s ]
  15. SELECT * FROM `article` WHERE `id` < 523124 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000612s ]
0.088071s