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发表于 2012-11-13 08:48:12
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1判断语句) H0 r$ O# d7 r" V9 U; J; h+ I
if <condition> then
9 `* h. v7 G2 a <statement sequence1>;
; z2 O' H1 D" l( G3 ?& Z6 u/ a1 L: u elseif <condition> then
5 @: u+ `( M" R5 x! g: \* d( A <statement sequence2>;
* V F- v7 Y0 V+ w/ U else / O4 G$ }6 Y9 y2 `; p$ I2 R# s8 K
<statement sequence3>;
( x% s, L( x5 e; |% ? end;
?" o8 {3 ?5 q" M/ D如果分支比较多，用：
" O! J+ s. {5 p0 S' d" g0 ^ inspect <expression>: }2 y* ?) o+ r7 T
when <constant_list> then
) b& l8 A2 |1 I! n <statement sequence1>;/ i x6 U2 P& p* F
when <constant_list> then( s7 b/ {/ v! B' f9 r! {8 J
<statement sequence2>;9 d+ {% k V8 T4 k1 P
...1 f. {- Z4 b4 A: y& F- J
else
4 W- z$ T: S K0 S$ u: @ <statement sequence3>;
# q; }: k# V) M- |6 A3 E; a. a4 {end;8 d: p5 |/ w) {4 x2 y8 z, m
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2循环语句
8 e- U5 t) {9 J( a C8 X. g (1) from <statement sequence1>
v- q& T$ z3 \) m; ]+ e until <condition> loop9 v4 S# g% T- C2 f( r1 g X+ N; k
<statement sequence2>;8 ?% A$ \9 Y6 y, A8 J; C8 k" }
end;$ j L4 _8 U9 L9 r" D p
(2) while <condition> loop1 |' c( l/ @& i: B
<statement sequence1>;+ p1 ]# l8 _5 f, x. a# }2 }7 u3 H. U
end;, o% {1 a! P4 `8 s# I
(3) repeat
1 m t4 m0 M. z0 S; D <statement sequence1>;
7 B8 x( q2 \& W; p0 x$ O2 H, u until <condition>;
; \- C8 E4 ~2 ?' l (4) for <condition> to <condition> loop( M# [5 @: u2 ^# ?! \
<statement sequence1>;
$ _0 P" M' b; m2 K: r& d next;
" E1 e b% r$ [3中断语句
% z5 _% Y; U: G2 J _ h7 X* L waituntil <condition> prio <integer expression>; t1 X/ ^+ W% r2 {5 v; a
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" {9 r# }! D2 [9 X7 v
以上为常用的函数！
# V3 g& Z% l/ z, I9 m* F还有很多，如有需要我把资料发到你邮箱里
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