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发表于 2012-11-13 08:48:12
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1判断语句" Y* i" O& K* ?; w9 K( g( o: w
if <condition> then
! K% F" K0 q# u( g* l <statement sequence1>;( [6 W' O% q; {7 E
elseif <condition> then0 B5 a2 t( @. r4 n6 `
<statement sequence2>;7 V: w* H. W0 t: L% ^& s( J- ~
else 3 ~0 g D. e* O. h6 I- d8 S
<statement sequence3>;
8 ~2 w* @: B% h% B+ y' ^ W( o end;
8 k$ u# |4 R8 h如果分支比较多，用：9 J8 ^; B/ k7 B9 O
inspect <expression>2 M$ O6 R9 E4 ~- p7 ?7 G
when <constant_list> then9 Y9 t O* q/ J- c k! W4 d
<statement sequence1>;9 \9 |- }( \' {: K) G& N
when <constant_list> then
! d. H9 {% R8 A: z <statement sequence2>;
8 Z/ V/ K9 N& j7 L ...
3 C S' t; ?$ b3 o$ ]- o else
E6 ]+ j7 J3 [5 r9 ]. e# b <statement sequence3>;
) o; S: L5 i cend;; {5 R3 y2 l8 `$ p% Q& W3 @
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2循环语句2 o# J3 _ z& S6 [% c
(1) from <statement sequence1>
9 W# V) L, s: n$ X! V( E until <condition> loop) `1 h. k9 ]6 `6 A! }. \
<statement sequence2>;
& T7 t/ |6 Q; x4 u( `- M* z5 s end;9 g- H8 M2 |, }- Y+ m, l
(2) while <condition> loop; c2 }& e# ~, f$ K- _! r# t2 Q* |
<statement sequence1>;
6 H ]1 j. x* k5 s end;2 ], U* ~ P1 K$ C5 T! O6 \
(3) repeat
" J' Y4 x" o, F: U2 \9 y' k <statement sequence1>;0 r" o$ d, H& }5 T8 o
until <condition>;! I+ Y5 L: \ O: E
(4) for <condition> to <condition> loop; k2 v5 l& R2 J% J' p- S( A
<statement sequence1>;
$ C2 X* k* H) f1 V! |% ^$ u. g# W next;
( n7 p. g5 J7 i3 z5 W1 q3中断语句6 e1 f0 V9 F: T- Q% A. d
waituntil <condition> prio <integer expression>;- c: h/ {+ [1 S) C' | s. _
0 z; p( K6 V; W) f. [& V& \; e
" y! s% f! ^0 {4 \
以上为常用的函数！
5 e5 ~$ F6 N+ n( M7 k: ?0 l, D8 f还有很多，如有需要我把资料发到你邮箱里
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