AHK中定义变量的两种方式

最新推荐文章于 2024-09-24 02:50:46 发布

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本文介绍了在脚本中使用两种不同方式来存储与检索变量值的方法：传统方式与表达式方式。通过示例展示了如何使用百分号切换这两种模式，并说明了某些命令参数可以接受表达式的特性。

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;Storing & Retrieving values in/from variables
; 1. traditional
MyVar = "123"
MsgBox %MyVar%

; 2. expression
MyVar := "123"
MsgBox %MyVar%
MsgBox % MyVar

; In the MsgBox line above, a percent sign and a space is used to change the parameter from traditional to expression mode.
; This is necessary because the traditional method is used by default by all commands (except where otherwise documented). 
; However, certain parameters of some commands are documented as accepting expressions, in which case the leading percent sign
; is permitted but not necessary. For example, all of the following are effectively identical because Sleep's first parameter is expression-capable:

MillisecondsToWait := 1000

Sleep MillisecondsToWait
Sleep %MillisecondsToWait%
Sleep % MillisecondsToWait

MyVar := "She said, ""An apple a day."""
MsgBox % MyVar