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发表于 2012-11-13 08:48:12
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1判断语句
4 G. n! _. B! _* _. E if <condition> then9 r" I! @5 [" N) l3 K! T
<statement sequence1>;
" f0 }$ E. ], b2 ~ elseif <condition> then
, y O% K j# u' s+ l- {/ `& ~ <statement sequence2>;
8 G4 d4 b) G6 ?& z8 J( g3 f else
# y7 \8 v( X: f- i, S" x0 l# T+ P <statement sequence3>;
) a4 I4 c) ^- D" ~: F8 j: c end;3 X5 q- M$ r+ l' _0 a& {/ e1 r
如果分支比较多，用：
4 ?; R8 c; i9 V% P% J- ? inspect <expression>
6 ]8 _# X% i V2 P when <constant_list> then
# C3 J# v0 u7 X1 u! w <statement sequence1>;3 U) d6 n7 i0 _% L9 c" w, M
when <constant_list> then s4 H" y7 h/ P1 Y
<statement sequence2>;
& ]" M( p. D/ x2 ^2 F ...
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<statement sequence3>;
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2循环语句6 f# M) A6 A) _) ~
(1) from <statement sequence1>* @6 D; t' c9 _; N7 L5 f
until <condition> loop) \3 I0 T) H) ?& J
<statement sequence2>;0 s" i9 e2 e* R$ \* C6 I
end;
2 v& d2 |. l. O: E+ J2 H( B (2) while <condition> loop
3 t4 u, I0 K; i6 w) p0 M# e <statement sequence1>;
9 ?2 k7 Z- O7 Q) O end; ^3 g+ [6 z5 T8 x
(3) repeat
3 v" ]) m- Q; W3 c9 z2 T <statement sequence1>;
* v$ g( B( z9 g6 j until <condition>;
, Q {/ }: E0 D& w2 v2 S5 z/ O (4) for <condition> to <condition> loop5 e; C. @8 f" }& N( Y
<statement sequence1>;
! B. ?' F8 |3 m3 \( H next;" M. o( v6 Y5 T+ k- E
3中断语句
6 A5 Z* V1 P% i1 W1 k3 w7 f waituntil <condition> prio <integer expression>;% G+ C! ?& M" _8 A9 K8 ]
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/ I3 y# t' R/ I; U( z2 K1 n# f9 g7 {以上为常用的函数！
. u8 c; z7 i! ]" Y" E! H W还有很多，如有需要我把资料发到你邮箱里 6 ?& J% B2 k6 ~ |
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