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       
(Showing Draft Content)

LET

此函数用于为计算结果分配名称。然后,变量名可用于存储中间计算、值或在LET()函数的大括号中定义名称。要使用此函数,必须定义与之关联的名称和值对,以及使用所有这些名称和值的计算。

通过使用这个函数,用户不必记住一个特定的范围或单元格引用引用了什么,或者您的计算应该做什么,甚至可以重新复制粘贴相同的表达式。

语法

LET (name1, name_value1, calculation_or_name2, [name_value2, calculation_or_name3...])

参数

这个函数有以下参数:

参数 描述
name 要分配的名字。一定要以字母开头。
name_value1 分配给 name1 的值。
calculation_or_name2 您可以定义以下内容之一。
name_value2 (可选)分配给 calculation_or_name2 的值或计算.
calculation_or_name3 (可选) 您可以定义以下内容之一.

数据类型

返回不同的数据类型。

备注

最后一个参数必须始终是返回结果的计算。.

示例

下面的示例代码展示了LET函数的基本用法。

var formula = '=LET(x,2,x+3)';
sheet1.setValue(2, 0, 'Pair varible');
sheet1.setValue(2, 1, formula);
sheet1.setValue(3, 0, 'Result');
sheet1.setFormula(3, 1, formula);

下面的示例代码展示了LET函数中LET本地变量和自定义名称的用法。

sheet1.addCustomName('user', '="Michael"');
                
var formula = '=LET(user,"Ivy","The actual user is: "&user)';
sheet1.setValue(2, 0, 'Always use LET local variable first');
sheet1.setValue(2, 1, formula);
sheet1.setValue(3, 0, 'Result');
sheet1.setFormula(3, 1, formula);

// 如果本地变量不可用,请使用自定义名称
var formula = '=LET(user,user,"The actual user is: "&user)';
sheet1.setValue(5, 0, 'Use custom name if local variable is not available');
sheet1.setValue(5, 1, formula);
sheet1.setValue(6, 0, 'Result');
sheet1.setFormula(6, 1, formula);