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发表于 2012-11-13 08:48:12
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1判断语句
) Q9 v3 i a" u& ~9 [0 N/ @' G if <condition> then
7 u$ e( M q8 P <statement sequence1>;; E7 a/ s# u' [4 `5 a* w
elseif <condition> then U; ?* C& O+ G3 f. h" E
<statement sequence2>;
0 O D1 k1 o8 s7 ]3 ?) `. V3 u; j else
. K3 V, t4 _" k s/ b; w U5 ^- q3 X <statement sequence3>;
/ t# R7 e. U- I% x( } end;6 C" Y4 \- z( k0 G
如果分支比较多，用：: L0 z. S. b# ~9 }) m- T, ^
inspect <expression>
( o O. {2 ?" ~& l6 D6 x1 E when <constant_list> then
6 g9 y) Q# J6 W <statement sequence1>;
, v1 c( n% \! ^$ S5 c when <constant_list> then
% j+ O% Q9 B; i. q <statement sequence2>;2 M: W6 V4 t2 y# ?/ m% v
...0 l1 L7 c7 V9 C9 E6 O
else# x- \ W8 {) c$ G
<statement sequence3>;6 n' W: V+ a' U* a& c5 {& g% |, p
end;. o% K' L& h# Z
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2循环语句0 F0 ~& Y; E0 p" L0 w5 C* K8 I
(1) from <statement sequence1>
/ M* } y' e/ a, K" t+ v4 T until <condition> loop
: p( c( G% p8 _3 u5 H2 L: F <statement sequence2>;' D0 Z1 @+ t' }: u7 Y
end;
9 y* C2 G$ c9 m; S4 j$ j (2) while <condition> loop2 A: ~, g, W; O' V0 f
<statement sequence1>;) B: p. o1 g. B1 i Y5 u
end;
1 Y5 L F/ @4 y5 D' [ (3) repeat
3 c& M3 u2 C8 o- D8 P9 y4 t <statement sequence1>;
5 f: |' i9 z; e8 L0 p; ?1 i until <condition>;
8 E" q( t9 H2 z Y5 g9 q& p (4) for <condition> to <condition> loop
4 c! W9 U1 i& T1 Z <statement sequence1>;
9 ] y8 e# {6 ?8 O4 J# } next;) }# I! q" ~5 c% @7 z, y H
3中断语句
) @+ _0 j3 x* @- I1 v1 ~6 J waituntil <condition> prio <integer expression>;) b/ ]7 G: H( T* B3 l* k' e
& B& o# ?, l% U2 x4 J. P- D& C. v
以上为常用的函数！
4 B/ i+ d& q0 j# T. c5 m8 S还有很多，如有需要我把资料发到你邮箱里 + e, B" F9 p1 K
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