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发表于 2012-11-13 08:48:12
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1判断语句
6 I: t3 d) v% g- {2 n if <condition> then# }$ X, K% k# G, M9 O- U
<statement sequence1>; k5 [& M8 w; l2 T! B
elseif <condition> then( k8 q- e7 T# S; w5 D1 W. `
<statement sequence2>;
; S* N7 r$ t4 Y+ Y' o1 \) O else
; n2 J% b0 I( p) c3 v2 i2 f2 M <statement sequence3>;5 H; _, c2 Y+ B c6 U$ U( k
end;
7 M. P) X3 H3 o2 U0 @/ R" F$ B如果分支比较多，用：
& U+ W' N; H, p. e1 h B. @ inspect <expression>1 C9 f; `1 ^+ Y. N
when <constant_list> then0 c k' e6 d/ F: m
<statement sequence1>;* H% {5 R2 r, |) Q4 v) m
when <constant_list> then' b+ c/ n7 I2 W( l3 z; M A
<statement sequence2>;3 x& ?% {( a# {8 c x
...
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<statement sequence3>;
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2循环语句
7 d# a& b' ]9 N (1) from <statement sequence1>& w! o% M) C8 L( @9 q; E$ ~ E
until <condition> loop
. q$ r, x0 V$ H% r l <statement sequence2>;
3 W# I5 g; L9 @* Z9 ?# G end;
* ]4 n2 B+ ]5 a( t (2) while <condition> loop
A# E0 j/ m; B+ m <statement sequence1>;+ }/ ^9 ]. L) w) ?& `6 j
end;7 d, V- U! _8 Z$ I" W
(3) repeat
- f3 I# v; h8 O1 J0 P6 F j2 v( \ <statement sequence1>;1 S* e# J" Z; i
until <condition>;& X/ z& H8 @8 C! q8 [
(4) for <condition> to <condition> loop
6 e/ V: |* r1 W7 u+ `7 c8 ? <statement sequence1>;
9 D* B5 m' i1 X( W0 C/ S" z next;% {; { l& H' A
3中断语句9 J! r7 u2 E1 @$ Y' @; _0 D
waituntil <condition> prio <integer expression>;# ]. j( M+ h, j a3 a
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8 V v6 R( o" y W以上为常用的函数！
4 ]1 r& S. |/ ]& \* [, o! S1 s$ f还有很多，如有需要我把资料发到你邮箱里
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