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发表于 2012-11-13 08:48:12
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1判断语句
" i4 a* [! E1 x: V1 h/ i if <condition> then
8 f8 ?+ o" N8 ~. K$ q <statement sequence1>;
8 { x; U3 L3 }& m( b elseif <condition> then
' |- C4 B: Y9 O% l' Q <statement sequence2>;3 v r' v& w, ~
else
) z; T% E) q& a <statement sequence3>;
4 T* e/ e/ q# f, f# M$ K end;
- d/ D3 k/ o: F" W0 s+ S如果分支比较多，用：
# S4 }5 @* X! E; u inspect <expression>
$ J* U6 p F0 N# P6 x7 n when <constant_list> then4 M0 p0 k; w$ m' N! ]' @8 X
<statement sequence1>;
# i7 ]; A Q. G! P when <constant_list> then4 _* d2 E2 q: A( e& ~3 f
<statement sequence2>;. ~% ~* o( d9 [5 E v
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else) ^$ H" B! `8 ?* P( A
<statement sequence3>;
; ^# a" M4 c& ]4 v* @9 bend;
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! A! p+ K. a+ c$ y7 ^( y) i' O& V T0 }2循环语句2 O: w( \# I' A6 H/ F4 G7 [
(1) from <statement sequence1>
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<statement sequence2>;
8 H- N0 p( J' | end;3 u4 w! i" C' U& H# j9 j
(2) while <condition> loop% E0 |; |2 p0 Q8 E u, B) @5 Y
<statement sequence1>;
6 b0 ~; a& |% W; q* N# u+ W. A$ | end;5 h. s. S* V: X! L5 s9 ~1 Y! D
(3) repeat 3 }0 B' N" T4 |' {" G: t$ t& S
<statement sequence1>;' l% N9 { q! i0 B- ?3 [! t% E" F1 L
until <condition>;$ p1 @7 b: W3 d% ^
(4) for <condition> to <condition> loop
' w' }/ C8 X( }& f: q. g3 C <statement sequence1>;" k3 e3 Y! Y; H a3 @
next;/ }; \' W7 X7 q$ o' x
3中断语句9 A3 f% H9 f0 q! v7 _
waituntil <condition> prio <integer expression>;
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以上为常用的函数！
% s. f1 J$ M& R& x9 I' N5 W还有很多，如有需要我把资料发到你邮箱里
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