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发表于 2012-11-13 08:48:12
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1判断语句+ C6 }3 W- f) ~. k3 I* W
if <condition> then) Q8 F Z; n2 Q \% f6 \9 n g! p) N6 E
<statement sequence1>;
7 V/ C; g2 d3 b. r3 d; a% j elseif <condition> then$ c$ L; j, P0 j$ ]# L) [
<statement sequence2>;- k0 h* X8 w c4 _. B2 f$ b
else
' E( M% v$ e8 o0 S x& U/ o$ g <statement sequence3>;
) Q& b# Z+ q; @: K) b end;
+ R% W* g! |2 i* C# S如果分支比较多，用：; [. \; ~2 M# n+ z' f( j8 s8 w [
inspect <expression>3 Q6 R/ F/ k# A/ C, y# h- M
when <constant_list> then* k7 F \7 o: G1 P5 ^! v; q8 m
<statement sequence1>;
B6 W% o$ G( F/ s7 R5 n0 { when <constant_list> then. e) T+ k# a% j" m- d& @
<statement sequence2>;% X. C) \8 |; A1 G& R
...& U7 m& N* l1 {& [! t
else$ K; m+ A( F+ G; }& q$ i
<statement sequence3>;5 R4 a1 p9 P0 [( x$ \! h' s3 P% c
end;
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2循环语句
) K* R( L# c7 P/ |7 o8 ^% j" ` (1) from <statement sequence1>5 _4 I) b, U/ x5 }. E9 C' l
until <condition> loop0 M( w& ]' [) b" X( r" h: B. u, b
<statement sequence2>;
, O+ j8 J( Y/ u2 l end;% A1 A4 g7 _$ M# W# D5 }; |
(2) while <condition> loop) d+ K; g- D% D& F0 b" d
<statement sequence1>;
; K) h$ b5 I. t# ]! h4 \( P* h end;
" P; \( ]0 z" ~ (3) repeat 6 ^8 k. W6 c7 ]: A
<statement sequence1>;+ \4 y& F5 A6 b3 h0 H
until <condition>;) k. r6 P7 J) `4 m* Y; L G
(4) for <condition> to <condition> loop
* X/ k! P0 A, W+ s8 G! n- d5 Y+ T <statement sequence1>;
% C1 z4 y( g) a) V" l2 _/ ~ next;
' c2 ~; e+ g" W# e9 M/ c. Q; w3中断语句$ A2 V) s' D5 d4 M9 h
waituntil <condition> prio <integer expression>;5 k; B5 m) G. Z r7 S
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以上为常用的函数！
% f( W9 y4 s; q9 @' j还有很多，如有需要我把资料发到你邮箱里
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