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发表于 2012-11-13 08:48:12
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1判断语句) p& b, k0 _ i+ J o$ |; e* ?3 V
if <condition> then
5 \, L- }2 y: M7 K' V, {- S2 \" I <statement sequence1>;, H; C2 @) q l3 h" h
elseif <condition> then
1 L a3 u/ H2 Q, ^) p" W3 i0 M <statement sequence2>;
5 b" W7 S. p2 G4 l! `: z else
) y3 @; o2 q: C1 O/ \. N9 r1 B <statement sequence3>;* [. e0 g0 v3 s) d8 K2 c
end;- {, d8 K) q t# X
如果分支比较多，用：" O/ Z! b6 H/ S4 @8 T$ Y
inspect <expression>
7 ^/ Z* c+ T/ \: S4 q when <constant_list> then
; n# h' c% y+ Z: |( q <statement sequence1>;
" M' C% v' x9 k X) a6 j when <constant_list> then0 t$ d; ?7 W% O# P' K6 ?: {% c- F
<statement sequence2>;
2 d& {& e6 n+ r* e+ _/ p ...
+ w2 M% \5 X+ M" Q' s# J else% `9 A0 S9 R* w
<statement sequence3>;
' [, s' _' n, T' Z7 B2 m# pend;
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8 T; Y) ?% F! _# m! T X2循环语句
7 Y6 p. B2 }+ a! @; Z# T/ E8 } (1) from <statement sequence1>+ H' H. c' h, C& R. M4 Y) e
until <condition> loop
5 g q% @8 d$ p% U) w <statement sequence2>;
- P+ q! u" q; q$ U3 P; k' K( o) L end;; i2 C2 u2 d2 K! {5 E# M/ ^
(2) while <condition> loop
& a. m7 q8 O: U& ^* ]1 t <statement sequence1>;. _/ R4 g1 \. g& [
end;
" p- @$ |" I1 J* S! p& l (3) repeat
* N) }( c" f9 q3 c <statement sequence1>;2 u; ?; R# C2 k
until <condition>;
) |" W3 h; K# f$ r% M4 X (4) for <condition> to <condition> loop
& ~& Y5 I. W( k2 F& Z5 i$ E5 m <statement sequence1>;# ^& c+ ?: [+ Q( r* p0 A# \) A
next;
9 Y2 H% n9 t" l$ u q# B3中断语句4 ~" c2 C6 I5 h6 W- O
waituntil <condition> prio <integer expression>;
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以上为常用的函数！* B+ k8 c, @; H7 R& K
还有很多，如有需要我把资料发到你邮箱里
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