Execute-the-Operation-First-When-Post-Condition-Is-True,-Continue-the-Loop

Command Description

The Block is executed first. In "While loop", the Block continues when the conditional expression is true and exits the loop when expression is false

Command Prototype

Do 

Loop While expression

Parameter Description

Parameter	Required	Type	Default	Description
expression	True	expression	1 > 0	The expression used for judgment

Demo

TracePrint("------------------------------------------------ Continue the loop when the postcondition is true------ ------------------------------------") 
//------------------------------------------------------------------------------- 
//[Remarks] When using  While , execute the  Block  statement block, and exit the loop when  expression  is true. 
TracePrint("Let a=1, let a increment by 1, at this time a = 2, meet the loop condition a=2, exit the loop") 
a = 1 
Do  
    a = a + 1 
    TracePrint a 
Loop While a = 2