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Excel 单元格功能与介绍今天开启EXCEL托白第二节--单元格的功能与介绍
单元格是 Excel 最基础单位,行+列相交位置定位,如A1,表示A列,第1行单位格。一:格式设置
选中单元格,设置:字体、颜色、对齐、数字格式(小数、百分比、货币、日期)、边框、填充色。注意:单元格格式只改变显示样子,不改变真实值。例如单元格设置显示 1 位小数,实际原始数值不变,参与计算用原始值。二:引用(单元格地址)
- 绝对引用:$A$1,复制公式固定指向这个单元格不变
三:调节单元格小大
- 个别行/列调整:鼠标放在两行/列之间,当出现双向箭头时,左击鼠标,拉动调整大小,每行 /列大小可以不一致。
- 多行/列调整:选中目标行/列,鼠标放在其中其中的某个选中行/列,
- 当出现双向箭头时,左击鼠标,拉动调整大小,选中区域的行宽/列宽调整到一致。
四:合并单元格
多个单元格合并成一个,适合做标题; ⚠️缺点:排序、筛选、公式统计容易出错,尽量少用。四:数据验证
限制单元格输入内容,比如只能选下拉选项/指定选项内容,防止输入错误。注意:这里序列验证可以引用,或者选择输入(用英文状态“,”间隔)五:条件格式
根据单元格的值自动变色、图标,大于标红、小于标绿,快速识别数据。
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- 运行时间 : 0.226599s [ 吞吐率:4.41req/s ] 内存消耗:4,853.96kb 文件加载:145
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- CONNECT:[ UseTime:0.001305s ] mysql:host=127.0.0.1;port=3306;dbname=wenku;charset=utf8mb4
- SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.002042s ]
- SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000819s ]
- SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000791s ]
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- UPDATE `article` SET `lasttime` = 1787324803 WHERE `id` = 956706 [ RunTime:0.022045s ]
- SELECT * FROM `fenlei` WHERE `id` = 64 LIMIT 1 [ RunTime:0.000626s ]
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- SELECT * FROM `article` WHERE `id` < 956706 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.001691s ]
- SELECT * FROM `article` WHERE `id` < 956706 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.004801s ]
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