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发表于 2012-11-13 08:48:12
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1判断语句
' O* u n4 s% @/ ^ if <condition> then
8 ?$ P! U3 I I8 w <statement sequence1>;, D0 n9 t J9 \$ Z
elseif <condition> then0 ^7 P/ S8 b4 o& @& j
<statement sequence2>;
1 d% o' \ z2 ] else ! G) g3 F0 W# J
<statement sequence3>;
% q1 O9 E% W0 j1 y* p$ C! ^! K end;& \( d: j3 [5 V0 _) W0 H
如果分支比较多，用：: }5 B: L) I' o' Q* E' M
inspect <expression>
3 H5 x* ~1 K6 T! {* X8 D" `! k when <constant_list> then
; K; J6 s! y+ ~ <statement sequence1>;. ^- o1 I' I5 s! a( u$ E
when <constant_list> then) ~* m1 H; z$ S) `: [) i
<statement sequence2>;
. x5 B4 Q Z! D7 X5 e ...
/ i* k e3 q4 F% }! ~ else
. O9 F9 [/ D0 l) a) i <statement sequence3>; J+ [6 @8 f+ t; N
end;& `9 I$ B3 V& l; ]" t( O) B
2 R' \$ M6 r3 n2循环语句
0 H6 g7 @6 Y, F1 T (1) from <statement sequence1>
( h/ w8 K `: ^5 p# a1 | until <condition> loop" K# l5 l+ a& }" Y n
<statement sequence2>;
0 M& \5 f) E) P1 n end;
Z, P. y+ Y1 w (2) while <condition> loop U) A* X7 e# I& m7 c
<statement sequence1>;% |" U) L$ \- { s* }7 A' M
end;, F, B6 H2 @9 q& _* ^" R' F
(3) repeat 1 I. I, c% j$ U8 i; Z$ b
<statement sequence1>;
4 w- O2 F- g3 Q5 e# {# p until <condition>;. g' B F( v( I, E1 N
(4) for <condition> to <condition> loop: x: j0 e3 V* k; `- L# Z% s% ^& s
<statement sequence1>;
4 `5 d) N" C7 | next;, S& N" a- `1 K9 t1 N! O& ?8 S
3中断语句- a5 u% Y8 d+ V
waituntil <condition> prio <integer expression>;
( ~9 u! ^9 k! S$ _
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: l$ \0 Z8 }: |以上为常用的函数！
# r' K9 {2 l! M; R0 k0 y还有很多，如有需要我把资料发到你邮箱里 9 E# f( b, i& S
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