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发表于 2012-11-13 08:48:12
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1判断语句
& ^4 c( G/ S9 x! Z) y+ i if <condition> then; R6 q% Y9 B! h5 u9 e+ x0 @
<statement sequence1>;4 z8 e5 N& d9 Z% b4 T4 Q Y
elseif <condition> then
- r8 D: f# B. n# k! R9 D1 L <statement sequence2>;
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<statement sequence3>;
! B/ b" Z- c/ K end;
) u z J4 @! x2 k P, Z6 X如果分支比较多，用：& Q* r* ?* I; V" B) U) Z9 _: V
inspect <expression>3 f/ |9 x1 A; N
when <constant_list> then& t$ | f9 W/ u+ m
<statement sequence1>;
7 _. V' F) r* P when <constant_list> then
6 A; y% K- M* u <statement sequence2>;/ B$ f, j+ j1 O( }0 r g2 Z. R
...
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<statement sequence3>;
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" R H+ S! O+ v- v; v5 h3 \2循环语句# Z( }' F9 T" A% Y9 ?2 @% B' Q
(1) from <statement sequence1>+ O. v0 m/ @6 O7 p9 k/ p/ r1 k U3 X
until <condition> loop+ q+ i' I1 g% x- p
<statement sequence2>;$ {$ {& ]$ s) A, L0 k) r' v. b
end;
J$ i h! w# c' O (2) while <condition> loop" h a2 |2 Z1 l( y7 k
<statement sequence1>;
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(3) repeat J' j0 v4 X) e) @7 @; J1 z
<statement sequence1>;% G, A O. p$ w
until <condition>;% {& k% ~4 S, g1 q; U- f8 c
(4) for <condition> to <condition> loop' Q! H9 l' ?/ i' U6 d+ R1 `8 A% d
<statement sequence1>;6 e' s3 m' t+ o! t9 L# g
next;
1 A# \# b: t& r/ B8 {3中断语句
4 x# F& Z2 F- J waituntil <condition> prio <integer expression>;
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) [( n7 y+ _9 ?
3 y) {4 b% C% ~6 X以上为常用的函数！
% ?4 {5 G$ N7 m7 F还有很多，如有需要我把资料发到你邮箱里 0 S1 M/ w" R# }
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