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发表于 2012-11-13 08:48:12
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1判断语句
9 w4 p/ B' ]" b J1 }* }* c if <condition> then7 }" W" |* {. f/ Q" u
<statement sequence1>;& V( K2 f3 d/ P4 @3 g* c" M9 m
elseif <condition> then
- ]7 L8 I2 t) n' M <statement sequence2>;
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<statement sequence3>;
3 G8 z0 G. z% B: \ end;
5 H; U$ ]5 W4 l% ~如果分支比较多，用：/ a- w) b7 s, {, U$ e9 o$ A5 w7 C. M
inspect <expression>
$ p& ~" h) ]# {) A3 C& M when <constant_list> then
8 ]! S c' s$ C& T2 ~ <statement sequence1>;/ @7 j7 a/ F, N2 h+ X' r
when <constant_list> then# S; v# X" o, Q: x# v0 f
<statement sequence2>;
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else% q' T" G7 B: S$ y
<statement sequence3>;
( O( C* D$ K% l _0 Eend;& L( L0 K3 n. K5 ?
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2循环语句6 u$ }7 V* @& R& ] D7 ?4 a* e. V
(1) from <statement sequence1> [3 c) s; l: W- X9 u% D O; A
until <condition> loop) e. c4 W9 Q v' u* G# ~
<statement sequence2>;) r8 H, W- c' {* A/ C L! X1 M4 l* ]5 b
end;) |' \9 }( {/ Z3 E( n: T: L5 }
(2) while <condition> loop
7 c7 B* i* T! E" V) j3 f <statement sequence1>;
& D: U/ u! \: n; K end;
! q8 l4 ^& f6 G, Z$ Z (3) repeat 4 z5 ]; ?. n2 C, T
<statement sequence1>;; o2 |6 F- K6 A
until <condition>;: L1 B% R4 u" L. A, u- E# o+ l9 @
(4) for <condition> to <condition> loop
! G0 p7 [3 s/ M/ ?: t, G$ A; ^ a <statement sequence1>;
4 z& C6 W9 L1 h& i/ |! h next;5 v6 |9 W; ^! k/ D' P9 F1 E
3中断语句
% R. V9 [& h E, O$ [ waituntil <condition> prio <integer expression>;
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以上为常用的函数！' z0 O8 \) S6 a ?
还有很多，如有需要我把资料发到你邮箱里
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