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发表于 2012-11-13 08:48:12
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1判断语句
( ]$ i6 R" U" k* T/ q/ P% T1 }5 K" N if <condition> then
8 |6 b, m4 _4 z9 T <statement sequence1>;2 _) U4 y% U5 |( U% \
elseif <condition> then
! p3 ^5 w1 p j) { <statement sequence2>;
! h# ], u4 b* E+ G8 y+ w& Y6 V- Z: g else
" u4 o6 N$ V! ` ? <statement sequence3>;0 Y) J5 y4 B! |5 @5 ?! s U
end;5 U" n) x* m- O8 [! S
如果分支比较多，用：6 S, Y4 Y/ I) J; [7 A3 _9 J
inspect <expression>
+ c- ?$ m7 i2 E2 e: r# d+ n when <constant_list> then" { [% y& Z. l
<statement sequence1>;6 @9 o; Y3 ~" S
when <constant_list> then
2 K3 U7 ]3 v% s+ R. M: B- Q/ r <statement sequence2>;0 S o8 x/ g# V
...
+ Q' f$ k, |; V9 Y$ {3 P# `/ @3 H else
) c3 N9 R9 w: G1 k5 W1 d4 } <statement sequence3>;
u5 w8 R8 {5 y: A' Gend;
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2循环语句$ H$ n5 u: B. g0 I' J
(1) from <statement sequence1>7 \. V; R3 T1 L4 d) T, q# D( T
until <condition> loop
# z8 T, l" u& X <statement sequence2>;1 a$ _- ]# K. i0 P# L) j" g7 Z
end;- y: S5 C* e# h& I( }$ p+ P) h! u
(2) while <condition> loop
5 ?7 Q3 ], z; k9 p <statement sequence1>;
. G. P4 {; g" K1 ~" W2 f- l end;
- Y! a7 n5 l+ n+ r! t3 a1 a (3) repeat ) ^3 F0 C! f% G3 n! _
<statement sequence1>;5 l% T I, L. L. ?' m9 Q# ?: ~. b; F
until <condition>;5 b, R2 H4 B0 m/ M" @
(4) for <condition> to <condition> loop+ x. e G; E. X: O
<statement sequence1>;
/ i* L/ ~- a! m next;
; }$ D! ^. {7 t- {3中断语句
" D- W, s9 L/ K2 j3 X l waituntil <condition> prio <integer expression>;
+ i' a6 _7 {! e* C
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: X+ D2 R7 f: f7 M3 \4 j! r3 a/ J以上为常用的函数！% |' W- U' E1 O: e& F
还有很多，如有需要我把资料发到你邮箱里 + B* \5 J& m: y3 R# U) y s* h2 D
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