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发表于 2012-11-13 08:48:12
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1判断语句" e! s" K; I! x& k
if <condition> then
9 V- H! o. p0 N' P <statement sequence1>;% W* O- k2 @7 T
elseif <condition> then% K- z1 Y& Q+ x
<statement sequence2>;8 j' F7 Z* |- F: _% u& o
else ; P" w. o+ Z7 _* P; T4 l/ z
<statement sequence3>;
7 C! N5 k8 O9 u; A7 O$ i5 c end;
# r& i) G; A% p7 s* l( `如果分支比较多，用：
7 w! G- k& p7 g c: c" M inspect <expression>* c" R3 g: X' [9 L! @8 f% |" F
when <constant_list> then
3 x% N7 X0 l' a <statement sequence1>;
3 w/ N& a) c* z3 d+ R when <constant_list> then
& |. W# q: _8 C9 t9 N6 R6 G <statement sequence2>;, |1 V0 R- }; k6 E
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else
; v l" y- ^2 b6 L* f# i' [ <statement sequence3>;
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2循环语句
% Y5 @% y7 g2 N" b8 V3 b0 |- Y. e (1) from <statement sequence1>0 m+ D0 I. J; f( o4 @. y9 z2 `! Z2 G* L
until <condition> loop
# T7 v# A0 e/ h, n3 b <statement sequence2>;
9 Q: R7 l& E/ { end;4 n, m: h2 K! p5 K' s. C" f- v
(2) while <condition> loop1 R M0 z5 [! u3 A. @5 V% [/ j
<statement sequence1>;
O& t2 Z6 h; w" p end;
7 K6 w i7 R. Y (3) repeat ( f* u& V2 k& V+ v5 v
<statement sequence1>;
0 |% H! Y. U) g( N6 r: J$ H until <condition>;
8 b3 m% [$ l' E1 n: S, B (4) for <condition> to <condition> loop/ u- F' R; O2 P$ G, h
<statement sequence1>;* Y; R( E% u: {/ d
next;9 o% Q* P- J( m: i5 A
3中断语句# R1 F& J1 _' y, V+ ^2 e# ~: Q
waituntil <condition> prio <integer expression>;
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以上为常用的函数！' Z8 c1 Z( J/ `4 N8 H
还有很多，如有需要我把资料发到你邮箱里
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