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发表于 2012-11-13 08:48:12
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1判断语句: P- K5 a, h' A) ?
if <condition> then5 G6 t9 j5 N- @ o6 B% c+ O
<statement sequence1>;2 \ s5 K y8 l8 Q/ w
elseif <condition> then
) s, G4 X( f2 s3 v+ r; E9 y( r <statement sequence2>;
; Z8 [% ^, W/ F/ ?4 z2 W else
9 l. s4 C9 I, P7 b. {" u! Z9 a <statement sequence3>;
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如果分支比较多，用：; ~$ N5 [. R2 q$ C. F& |' H
inspect <expression>5 R$ S) @9 l' v
when <constant_list> then; `' s: N" h' t; G7 a0 O
<statement sequence1>; a7 T# V( o4 l1 T
when <constant_list> then
/ v( @" g3 @' J- z/ } <statement sequence2>;
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else5 V g% E: D: w, L! `& X
<statement sequence3>;
$ d# Z: C& z2 G' uend;
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: B) C+ {0 k- K4 ?1 Z* p2循环语句
8 ?; c, n7 V' \! w* w (1) from <statement sequence1>9 Q- G6 Q: n! ?0 d- s
until <condition> loop. S3 j- M0 t! M. b7 U
<statement sequence2>;
( n2 x* q, Y+ j5 t* F- { end;
# q" w3 g, @' C5 c (2) while <condition> loop+ d( R# ^6 D F) E
<statement sequence1>;
: p5 n& S7 s+ f1 l end;
4 p) p; t7 U/ u9 X (3) repeat ' k) X1 `" m6 |' |4 B
<statement sequence1>;, |8 p8 s* x9 X/ _2 `, G
until <condition>;+ [# T' h6 J! r
(4) for <condition> to <condition> loop9 ~" {/ a- |7 D9 l% M- e
<statement sequence1>;2 J! k! J, a; ~# H
next;4 {1 I- k" k' Y) V, h Q) U& e( W
3中断语句5 { `) W* r6 x! r& O6 F" @9 H
waituntil <condition> prio <integer expression>;
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2 m% Q! S1 f m以上为常用的函数！% t' V! b" d9 j4 [& T
还有很多，如有需要我把资料发到你邮箱里
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