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发表于 2012-11-13 08:48:12
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1判断语句" J$ R' w- f2 r I
if <condition> then" k2 j8 N4 Z" `) t9 n
<statement sequence1>;
3 P0 \+ I3 Z5 C& k4 g elseif <condition> then
" ~" e. M- v. N, v% e <statement sequence2>;+ m' E' i: [) K' Q/ B, E/ g
else
) p: h- u' C7 x2 b <statement sequence3>;
& H2 Y9 T( T/ ?# `/ `& ?0 G end;6 `% P+ f% D+ M& j( N% [
如果分支比较多，用：8 O# F* i4 b4 m) p
inspect <expression>1 a& a7 u2 c7 H
when <constant_list> then; \& n' i7 Z& a; E
<statement sequence1>;
$ m4 A7 l" G: x- e, W: m when <constant_list> then! T# z$ D u. f2 H: @- Z
<statement sequence2>;
% u0 Z) j* o3 I' S& ? ...
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<statement sequence3>;+ }: x2 l# C) t+ p+ M- _- G
end; L% R7 e$ S# X% z5 T* N4 [
( ~. v3 a( S3 {8 d( e6 U2循环语句) T3 `3 T# r3 p) I
(1) from <statement sequence1>6 g6 B, \+ {2 G# g2 _! F o/ A' Q
until <condition> loop
# a. n1 ]) T& L) {5 k <statement sequence2>;
9 s4 [8 m6 b$ L9 L g* x$ s end;
; ^5 p/ P n1 J/ U, {4 y0 i (2) while <condition> loop3 x& ~4 Y) m' e6 @0 L* S* t
<statement sequence1>;8 ~% x7 F% ?! h# a" `" W
end;. I2 D1 c3 s6 V0 o
(3) repeat
3 w$ k/ r- {' j1 X: A ^, H <statement sequence1>;
/ D! z/ X" i7 _" {9 @ { until <condition>;
`% ^% P3 K/ V* { ] (4) for <condition> to <condition> loop5 p% a( n9 k: M+ H# o$ m
<statement sequence1>;5 U. s0 Z9 D+ M n# Z- @
next;3 o( D: i6 o! A- ^9 c
3中断语句+ Z O9 a6 F- l
waituntil <condition> prio <integer expression>;. {8 A& o# f/ ?4 p3 M) _
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7 z; T* z( j* Z9 k以上为常用的函数！
* k; P6 d' s* M还有很多，如有需要我把资料发到你邮箱里 4 T- \: ?5 }; M; J
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