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发表于 2012-11-13 08:48:12
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1判断语句 N3 o. H( K4 a
if <condition> then$ s: r$ N+ E/ \( S, L1 f" j5 e2 V
<statement sequence1>;
0 ]" Z; u) I! r5 M3 ^) e% u elseif <condition> then& o* j& U+ L6 e$ d; C! V
<statement sequence2>;6 U' g2 j1 J- t" i* j6 a( q
else
% E+ l( o( ^" k4 s" N5 @ <statement sequence3>;
: J7 P w* M2 p* p M) o8 F end;
3 V: N: ?3 K4 f5 j如果分支比较多，用：
! k. r: i+ o- b% U- ?$ x$ c% d inspect <expression>9 [" p# x. R; T% x+ y5 h
when <constant_list> then
% O9 Z0 j/ ~$ g" H <statement sequence1>;
. h3 B3 {9 P x& {5 ^; A' I% P when <constant_list> then- B; r3 u7 V2 k
<statement sequence2>;9 ~. d2 V( B' b0 x" ~( P7 }/ e
...
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<statement sequence3>;
% b& ~, }# V9 zend;: Z8 R @- L3 R& [% d. q- H
8 ]* S p& o0 U& Q7 c; s! N' w2循环语句
# Y! b3 D/ @0 L( T, W (1) from <statement sequence1> w4 U% E$ C* E. A& @6 {& z$ b
until <condition> loop/ X: N( _8 F% t' R& J
<statement sequence2>;
$ E2 ^ h& ~/ q% D& c' T) W- p7 @; Z end;
. b. g# K3 {! @3 e" M8 k (2) while <condition> loop
0 i. y5 H* |9 v$ K1 M! C( } <statement sequence1>;
3 ~" e$ ]! J) v% |1 l: `* X end;7 ]1 ]4 A# ^+ _6 q6 K7 Z* g
(3) repeat
) @% W6 S( B6 x' Y9 V# p% Q$ F7 H <statement sequence1>;
6 E( a+ ~6 ^2 T m until <condition>;
X5 b) \2 ^) ~" F7 |( [1 i @/ s (4) for <condition> to <condition> loop- p+ n1 z5 ?4 O' l
<statement sequence1>;
3 k- l. O+ P! j5 A, ~# m next;
1 d# g* |$ G( {/ w3中断语句( q4 I9 S( W5 T4 d) M0 k
waituntil <condition> prio <integer expression>;
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" h; ^; {. _, H% {以上为常用的函数！
' Q5 I( x1 M- J4 @$ t还有很多，如有需要我把资料发到你邮箱里
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