ָظִһ䡣

For counter = start To end [Step step]
[statements]
[Exit For]
[statements]
Next

counter 
ѭֵԪػûԶ͵Ԫء 
start 
counter ĳֵ 
end 
counter ֵ 
step 
counter Ĳûָ step ĬֵΪ 1 
statements 
For  Next ֮һ䣬ִָ 
˵
step step ֵѭִʾ

ֵ  ... ѭִ 
 0  counter <= end 
 counter >= end 

ѭѭе䶼ִкstep ֵӵ counter СʱѭеٴִУѭʼִʱͬĲԣ˳ѭ Next ִ֮С

ע   ѭڸı counter ֵʹĶ͵Աøѡ
Exit For ֻ For Each...Next  For...Next ṹУṩһ˳ѭķеλ÷ Exit For 䡣Exit For жһʹã If...ThenȨתƵ Next ֮䡣

Խһ For...Next ѭһ For...Next ѭУǶѭÿѭе counter ҪʹòͬıĽṹȷģ 

For I = 1 To 10
      For J = 1 To 10
            For K = 1 To 10
            . . .
            Next
      Next
Next
Ҫ
汾 1
