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发表于 2012-11-13 08:48:12
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1判断语句' @$ h, |' a* g7 p. P1 j
if <condition> then1 V" S A/ Y8 U" M' F' c9 u
<statement sequence1>;
* c* ^+ S- F; J& R% e6 [6 I elseif <condition> then
' Z7 \8 P' |3 t+ Z0 U. { <statement sequence2>;. H8 G6 B* J' a: j* {
else
# X" U' n2 k* e$ r <statement sequence3>;1 p _. |- o4 W. k) w
end;
! D- k; S M* v+ w* ], K8 K如果分支比较多，用：) | L, |" f6 \6 w; Z
inspect <expression>
# o9 \9 E" Q, |6 W5 g3 v when <constant_list> then) D) O" H! p( I% T5 M$ i9 h5 G: B
<statement sequence1>;
2 }: \, n5 _7 v* F# u4 L when <constant_list> then
) X1 R" C# q/ V; L" I <statement sequence2>;
/ n# r6 `0 f% i2 | ...
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<statement sequence3>;# j+ b7 C" w* c4 S/ G% p
end;5 z x- o6 [, X1 o9 V* @
o; Z1 }$ U& v, I: C* T2循环语句
# V8 [8 X9 }1 O+ M7 C& f (1) from <statement sequence1>
6 O4 w5 {+ x5 q p) `& C* u- y until <condition> loop
. x! m8 w- y8 Q2 |' ]# S <statement sequence2>;
2 W( L& N4 M9 ]: r6 P$ e+ p end;3 Z. Q% q# O0 p. }$ B7 K% T
(2) while <condition> loop
! B! }5 T |/ g/ `5 [/ [/ K <statement sequence1>;9 Y$ H6 u* j# {
end;
; H- x8 a2 E/ u% v7 }0 O7 [, X (3) repeat
. C7 Y3 I0 Y: g. j <statement sequence1>;2 j. I5 s4 A, O
until <condition>;- H V8 \8 t2 g$ C3 g
(4) for <condition> to <condition> loop
9 A$ f/ M; n6 _) J6 ~! r <statement sequence1>;7 t! W- ~5 ~* k5 J
next;; \" R/ R1 U: x- d8 M
3中断语句$ S; ^) `$ X8 F6 {
waituntil <condition> prio <integer expression>;) v6 I: c4 Y) M2 |- j
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3 q9 o4 g2 X, l+ G以上为常用的函数！
& N V) y# ~2 Q) p; Y还有很多，如有需要我把资料发到你邮箱里
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