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发表于 2012-11-13 08:48:12
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1判断语句
3 I1 M! T- _- b6 v t5 e8 \ if <condition> then
8 E; E* A0 ^/ E. x. q* u) h <statement sequence1>;3 H& d; g' X5 j& D; J% G
elseif <condition> then
8 ?0 L( M( E. ~& U <statement sequence2>;
4 _2 }6 [1 G' U else
/ p4 C4 W" Y6 M6 I <statement sequence3>;
; G5 j9 J! x, f! d2 a" j$ z end;
; {* [' u! h; [- L$ ?+ m; t如果分支比较多，用：
1 |, q2 a4 V1 h* [6 t5 f3 b inspect <expression>* e+ n0 a+ F, z# n2 ~" t# Y+ G
when <constant_list> then' A) O" H* y: D! A; R y
<statement sequence1>;
( Y% x+ r( I7 } U1 n when <constant_list> then- l' U0 V$ m, [. C; [( [
<statement sequence2>;! {0 L4 K6 Z. W) V1 O2 v2 V" W
.../ ]0 c8 Q# s4 g1 k" Z: f
else$ b/ J$ R! c+ [
<statement sequence3>;# l+ p, N7 q$ ^
end;
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2循环语句
; ]7 `: O% o5 H" ~! U: o: N6 L! \ (1) from <statement sequence1>
) i9 M1 E( W6 q- n4 v until <condition> loop
- W' [9 p# [1 b6 k# `& t6 u <statement sequence2>;6 i5 k( t- z+ p$ D
end;$ l3 R9 |) X" t* {4 m$ k7 a
(2) while <condition> loop% T7 G- g! d- ?- M
<statement sequence1>;
, n- X/ t) K) w2 F end;
( X- u# }9 _5 M/ { (3) repeat
' ~( d: V% c8 d/ U+ L7 S <statement sequence1>;6 X9 h8 Y% L$ p U
until <condition>;
/ w8 ^0 E0 e6 [7 [ (4) for <condition> to <condition> loop
6 ^' v, _9 z- D- F' i, K <statement sequence1>;
8 q& ?5 k; A" t4 F+ ^( m2 I next;
! ?5 Q/ x/ v) k% D: T* }3中断语句: Z) A# e& l* z
waituntil <condition> prio <integer expression>;
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以上为常用的函数！
6 W/ U/ T8 r' s. |3 M" _还有很多，如有需要我把资料发到你邮箱里
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