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发表于 2012-11-13 08:48:12
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显示全部楼层
1判断语句
( J( m7 L; `' [. J if <condition> then V4 f( z- t6 a D' {
<statement sequence1>;
: l# y3 q2 \* W9 P elseif <condition> then8 x- Z" f) B+ i( M" v/ r
<statement sequence2>;* G4 X9 s+ }2 C
else
1 Z8 O* e- O$ Z. _0 z+ ]1 p <statement sequence3>;
9 _. r) V# R9 d7 @8 l end;
5 W3 Z0 P* Q, w" x; N& u如果分支比较多，用：" p- U2 N! y* K' C: c# z3 y0 ]
inspect <expression>) ~4 N+ A- Y$ R% h
when <constant_list> then
- I" o! s& p; {4 u <statement sequence1>;$ {6 g1 k' c' f0 t+ R" E/ }8 ], @
when <constant_list> then
4 B( i: O( Y* F+ A) I <statement sequence2>;
- z% Q( O! k; \6 g& a ...
# G' t) n$ k, C8 U7 r else
1 N% N& d! a9 d7 K/ D <statement sequence3>;
/ s" g* r6 _! H! p3 oend;
2 w# n4 r+ I1 b- p6 k' D/ J; O. |$ U' X G
2循环语句
: @% P$ U* |4 v6 I (1) from <statement sequence1>
4 \) h! }% Q. G9 S0 V until <condition> loop
' _% r( I- C6 t( c- T <statement sequence2>;
% T! Y; b6 y f end;
- h1 V$ {( [/ R, e# `( f6 y (2) while <condition> loop5 b, V- ]7 ^8 }" i A
<statement sequence1>;
% B% z% [8 C! X7 m. S) E5 ~ end;" r; p& U6 C0 k9 h# c, z/ @- H* C
(3) repeat
) E) K8 [$ R5 ?! N* z- Q4 ? <statement sequence1>;' _& R% T) v( Y* z$ \
until <condition>;+ n! q& @! ?3 y8 C* }
(4) for <condition> to <condition> loop
; i' b E3 S) e8 v! r <statement sequence1>;2 X2 s# N0 V0 D' ^- g
next;* ~7 A" g. o3 S
3中断语句# @# n0 H' J+ B+ {6 Q1 X1 n
waituntil <condition> prio <integer expression>;
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以上为常用的函数！
3 F! R6 ?% y2 T还有很多，如有需要我把资料发到你邮箱里 $ D, T) J# }8 J
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