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发表于 2012-11-13 08:48:12
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1判断语句
+ u# q7 U3 n* L( ~8 Y( z( Q' n if <condition> then4 @. p# X c% r+ Z0 s( }3 @; |
<statement sequence1>;. f8 R5 j# H' N; J* z/ v; J
elseif <condition> then+ {! t( f, ^9 k9 a
<statement sequence2>;. v9 Y* \, L+ Y2 x
else 9 D7 u/ D9 Z6 p5 I0 H3 C
<statement sequence3>;
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如果分支比较多，用：
, M. p! P( J9 c+ O* V* X6 I inspect <expression>8 V1 m4 F0 h4 G
when <constant_list> then- T7 @8 \: P; H+ L3 n# H
<statement sequence1>;
2 p. f- L! k6 _% W+ P when <constant_list> then! H9 L+ o( T p& Q1 I
<statement sequence2>;
5 w; `& Z7 F' _ ...
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<statement sequence3>;
9 n& [& o3 T$ b& }. C6 ?end;6 i* S- {' Q' g
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2循环语句# X% z& u1 `$ u( l
(1) from <statement sequence1>' C8 x1 Y# \. A( s. l/ V/ i, J
until <condition> loop
. Q) t# U- U. l3 K$ h l <statement sequence2>;
& L% G# @: q1 ?; G3 o' ` end;; o. w. r7 i& {8 y/ j
(2) while <condition> loop
# m5 {% M& }( M; Q3 z$ E <statement sequence1>;
3 r, R* j5 A5 H: M* P* {+ v end;% p/ |4 N* C. l, v& m. ~0 i+ ]
(3) repeat
$ G2 U2 b' F$ P `1 p% X& h <statement sequence1>;- Y# o6 x! W+ _# a, |* r
until <condition>;' s$ o/ t8 I4 @9 X/ M
(4) for <condition> to <condition> loop
, c: O3 H6 f* a* T/ X+ r: |+ E- b+ A <statement sequence1>;
" Z6 R7 M$ a# c' A- l next;
2 Y# O2 G1 T9 k1 Z3中断语句- N' G& j( K& C4 X0 I! p8 G
waituntil <condition> prio <integer expression>;; e3 A3 L: Q2 t5 b' O% t+ R" p
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以上为常用的函数！
' a# |4 L( }1 s4 c& S ~还有很多，如有需要我把资料发到你邮箱里
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