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发表于 2012-11-13 08:48:12
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1判断语句
* d j, C5 @( `. ^! n( Z; }7 j if <condition> then9 A5 U& N6 Y$ h; ~ G& ^
<statement sequence1>;
% M% u+ U8 W) n1 d2 J/ u elseif <condition> then x- j# `* |1 }& z3 V7 o; l. |
<statement sequence2>;
' \$ W4 a/ H' f3 D1 f7 c8 D6 s else
; |. e9 l/ {- G# m9 j. t <statement sequence3>;
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如果分支比较多，用：# \: p" A' v, Q
inspect <expression>
8 e) N+ C' z% q- A$ S# c4 k when <constant_list> then
1 s( }7 N; r6 T% P& w" v' x* z% }, h+ a* w <statement sequence1>;6 T4 s1 ]- p2 H3 L% h1 B
when <constant_list> then: A& F/ L+ |8 H5 C1 R1 U6 `
<statement sequence2>;9 l0 g* B' ]- A; y9 t4 j, w
...
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<statement sequence3>;6 P6 G5 U; @- Z, w6 N1 m7 X, m2 l; G
end;
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2循环语句% }# ?, n8 ~2 w
(1) from <statement sequence1>, O& e; r" N0 V3 D" I# C
until <condition> loop2 S* M& L. w9 W4 s: V
<statement sequence2>;/ m3 u* |6 B! }! d3 \/ m
end;' Q- n0 S2 I8 o# z- o% g
(2) while <condition> loop0 e) u7 Q! a! i) J- c" H' S) m
<statement sequence1>;
) s s3 A) l& E end;
# p6 q6 X8 _7 z( ^8 r) j" } (3) repeat # f! a$ }( ^6 Q% p1 u- q& [
<statement sequence1>;
4 L6 u! Z1 @+ ~" e W until <condition>;
! f5 k% n$ Y8 V( S* \2 F4 k5 v (4) for <condition> to <condition> loop# G# x4 ~; z% ^, j& H- k
<statement sequence1>;
7 @7 V% E4 [5 l2 Q- q7 }& f) G! m# \ next;
: C* }0 o. N! f8 [5 ?3中断语句
! ?- ~( ^; a" Z0 |9 q, h waituntil <condition> prio <integer expression>;
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3 {1 X* H- \" E# }$ T# L8 j; [以上为常用的函数！
/ ?6 q# f2 ^& r! W" a还有很多，如有需要我把资料发到你邮箱里
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