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发表于 2012-11-13 08:48:12
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1判断语句
* @/ }3 ~! ~1 j2 W4 ^ if <condition> then3 T9 E$ D% P( l) I
<statement sequence1>;
0 I" Y* E0 P3 X3 T- ^) f1 v: A$ i' h elseif <condition> then
4 V* c1 ?* k8 ?2 R* k: c <statement sequence2>;
( l9 e3 g9 v6 o$ Z- z; [ else
& r' ^6 L- n1 U' x& ~, \' n <statement sequence3>;
$ d! U6 m1 M* m; L5 u1 c; U8 @5 b+ \ end;+ n& Y# m/ D9 G" S2 W6 W
如果分支比较多，用：
) \: d- W5 H& q# ~6 E inspect <expression>
1 {$ ~" [) ~ M3 B4 X5 n4 g when <constant_list> then
2 L4 q/ Y. Y" ?% q. ~' c <statement sequence1>;& K" I4 }! G1 J) x; a; l3 L$ U+ x; R- ?
when <constant_list> then
& I0 u8 u% D% n4 }; A, L! U4 y <statement sequence2>;
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else; ~& Y9 {% c. R# p0 P
<statement sequence3>;0 j/ U) m, c' E0 Y0 F3 l( I
end;) k; E9 D9 t: P# R( O+ c! ?5 H1 d
6 [# \1 E4 L$ q7 n7 M2 t- T2循环语句
3 ]( D! [9 W/ @0 q; K! Z ? (1) from <statement sequence1>
7 M! Q# d- D- J& _* q until <condition> loop$ @& V3 B4 f1 l0 ]& n( A, ]- J
<statement sequence2>;
4 y4 Y5 e, R) {8 z! J( e o end;
) v/ w0 ?# c4 L2 j1 G6 C' c (2) while <condition> loop v- }9 g- {1 [- O% A& G( M/ O+ ^
<statement sequence1>;
9 w$ P9 v1 Y1 l: }1 R. E* K1 @& C end;
. f/ g# `" r8 p% V* h) m ]7 n$ U2 V6 x+ q (3) repeat
5 f+ d/ \! @+ S. I <statement sequence1>;2 [" E. D y8 h( v
until <condition>;1 G* t9 C% M$ V- Y: K
(4) for <condition> to <condition> loop8 v4 M' b2 {0 j# v
<statement sequence1>;
/ d2 y8 C/ H+ m9 r+ O0 T next;3 C. t) E0 L6 h5 ]2 L7 ~
3中断语句
6 U: D; D9 v0 B waituntil <condition> prio <integer expression>;
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8 d5 H% s; r* }4 ]/ G: P以上为常用的函数！
C/ y0 i! \# e3 ~还有很多，如有需要我把资料发到你邮箱里
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