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发表于 2012-11-13 08:48:12
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1判断语句1 c$ W) h" N+ s% i1 ]: a. C
if <condition> then
+ _2 P5 _6 [; E y; a <statement sequence1>;
$ T: L; u+ ^! P elseif <condition> then( e3 Z L/ ~9 Z7 g8 L# V
<statement sequence2>;! E! B4 {* ] P& L2 z
else $ A" x) U9 g9 R* q* S% w5 K1 x3 t
<statement sequence3>;
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如果分支比较多，用：9 _. t1 @' B6 n- _8 J
inspect <expression>' \" X* E4 _* m. }3 S+ ?' ~. k
when <constant_list> then
7 G/ \ w& E Q6 K0 X" U <statement sequence1>;
( i& i, l3 ?2 Y: c& j when <constant_list> then
/ ]' c$ E. B, k: Z7 X2 | <statement sequence2>;
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else7 \) w1 X' w' j; R6 Y
<statement sequence3>;1 x% a# `% B5 z7 ~2 k, O2 S6 _
end;) P7 O& A/ `5 E+ U' K
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2循环语句# m: N) c% q* U9 j8 E% @' A, X# F
(1) from <statement sequence1>
U) T; K/ d7 O9 }9 ^# ^ until <condition> loop! c5 w G" I! y; X! C" d- y$ l# e0 ^
<statement sequence2>;
$ v( ^# z& H5 o" o2 R# ] } end;; p% t; A ^ S
(2) while <condition> loop( N9 w$ R( n+ r- P/ V3 ~& g% C0 n
<statement sequence1>;3 R# H1 B" d3 h
end;
/ h- G( y' `: g6 E (3) repeat
" e; k9 Z; g7 @# m8 M8 o$ W- v ? <statement sequence1>;3 P! l! ?) M* J2 u: Z
until <condition>;6 N6 V! A- p) `4 M" |6 ?7 L# y* ]/ ~
(4) for <condition> to <condition> loop
( E% `: g) [& { <statement sequence1>;1 K7 s' Q' R) u0 @
next;
) T/ p/ \( w/ G# | F7 f5 U3 J3中断语句- ]7 u) D- ?- ]; ~5 w
waituntil <condition> prio <integer expression>;
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5 H) M2 w5 N u1 R# `' X以上为常用的函数！! g# ^8 i8 J0 a# R2 w/ C% O; u
还有很多，如有需要我把资料发到你邮箱里 / L6 h8 R* T X0 O+ B' ^. O* N. Y; E
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