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发表于 2012-11-13 08:48:12
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1判断语句
9 [" x+ d8 b: G; {* ~" Q& f7 ?1 s if <condition> then
; Q# H3 S) j- l! U) B1 H- } <statement sequence1>;
/ w5 ]4 A/ Z i3 B3 n* m7 y elseif <condition> then
- \5 @; F9 L* ~; W, K% s3 G <statement sequence2>;
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<statement sequence3>;7 Z. z" t3 w- G/ \1 |0 s0 A% I
end;( ~4 z3 h5 T5 x
如果分支比较多，用：; {; l. e" h" Y# D N
inspect <expression>
3 m8 j, i, L5 J$ `9 E% m0 k when <constant_list> then
" ?- |" x$ E/ A( p0 ^) V2 q O <statement sequence1>;
9 R3 ], U- Y6 R# {% @5 M when <constant_list> then4 a/ \% B* k4 k( J& }9 d
<statement sequence2>;
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else. a( k+ O4 q' r# |
<statement sequence3>;
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; x2 p; K w7 L( y, }
2循环语句
) l* h4 H& ]: q2 h' g7 P (1) from <statement sequence1>" A% m, Z2 N5 O0 a0 L; s$ w* G
until <condition> loop5 T- l. e+ r5 {7 c
<statement sequence2>;
9 L. x8 X2 Z: M7 z) }8 r end;
2 d8 W) u; A+ M8 v6 ` (2) while <condition> loop6 i% B3 h$ v8 i% f9 b5 {/ c8 m
<statement sequence1>;
* a& Q y' v2 e1 Q6 O end;
! d. z0 `8 q: j9 s4 S (3) repeat
: h* n. w7 K8 r; K4 _1 y <statement sequence1>;
$ _& Q" _0 L, B' a% G# D2 [4 h( Y until <condition>;9 C) w8 B* X. ^5 Z
(4) for <condition> to <condition> loop
1 d5 G( I" q4 [! G* }+ Q( d' P <statement sequence1>;
1 ?5 S, ?4 [3 v [( P4 t/ F; e- p next;4 m7 ~& O6 r3 q5 A+ J+ n& T- k( C
3中断语句
* {* K) `5 X/ _+ B waituntil <condition> prio <integer expression>;
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以上为常用的函数！% ~9 R* ]" k# d7 b
还有很多，如有需要我把资料发到你邮箱里 $ ^/ k0 d5 r+ R
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