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发表于 2012-11-13 08:48:12
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1判断语句+ ^3 S4 n( J0 J% D5 C* L
if <condition> then1 r+ X8 H6 f2 D7 T u+ [8 _+ }
<statement sequence1>;
% h6 V6 B9 d' u elseif <condition> then
: l$ A; Y @0 p# C. k* _. k8 B <statement sequence2>;+ s8 ~0 R: i( ^( w' t
else
, I% U4 c$ v6 a4 j- m <statement sequence3>;
# H7 k9 _$ W: P: k5 G" f9 | end;
5 f& k) c1 D1 j% o1 { P( F如果分支比较多，用：
- N7 _( Y: t: h, s1 P, S inspect <expression>
" h; H0 Z2 [: Q/ D; i when <constant_list> then
, x+ b5 J" q; z% E <statement sequence1>;* ?9 r9 Q) d( U6 L
when <constant_list> then3 r( }4 Z& Q% ^! C9 g; Q
<statement sequence2>;8 W) f f, L7 t' O
...- e2 { Y6 V& f4 t7 x& g
else
* c8 R/ T: C/ o, ?( T <statement sequence3>;7 E6 p* ~0 ~" v4 D) X% [
end;
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) M2 k9 N! d; v m5 \8 ~% ^' f c2循环语句& m# r3 q& u# D
(1) from <statement sequence1>0 Q& L, b0 P# _& z% Y/ |
until <condition> loop4 z! [0 v+ [# R" b- P
<statement sequence2>;, g& _% I: }. I( O* m$ L
end;1 A; X( o! J4 r0 e7 F4 m0 F( J) [
(2) while <condition> loop
7 W, h7 b3 ?1 K$ t. B5 L <statement sequence1>;7 I& M, g$ F3 W5 s' d1 Y) p; B5 @
end;
2 ^/ d+ `/ E, c* S; { (3) repeat - h" @: ]: A, V5 j4 i3 E
<statement sequence1>;1 ~5 U% ]" l* D6 ~0 ?$ s
until <condition>;+ l4 U- \6 m% Y ]
(4) for <condition> to <condition> loop
# u* |: a3 x. M/ G" ]& z" ~5 F <statement sequence1>;+ d. W, f5 G! A4 M0 d4 g
next;( M" Y8 f: B: z5 c( j' a
3中断语句" M7 Q$ N4 ?+ q7 M* Y' R
waituntil <condition> prio <integer expression>;+ D7 b6 c5 `9 h% U* [
, p+ `% ]! T$ i& b9 B
% A* d* u4 e4 X& Q* V以上为常用的函数！
* g9 A# w9 r) u5 C' B还有很多，如有需要我把资料发到你邮箱里
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