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发表于 2012-11-13 08:48:12
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1判断语句' ^; l2 X# p: `! S! M5 ] _
if <condition> then4 e( k! d7 z( c* e/ Z; P- T
<statement sequence1>;4 D+ E& F9 E* ^' t# t
elseif <condition> then3 @# D, u X( B/ R- Z
<statement sequence2>;
* o2 K4 A- x$ Y# K* E0 y0 ? else
4 I( k, @/ l" F! n7 U <statement sequence3>;& S7 Q& n" G; D$ N* f
end;
$ [( w$ X: B B: }如果分支比较多，用：
7 j/ g U+ w3 l \ inspect <expression>/ o( t0 ?. k; {" E' H
when <constant_list> then
7 {" W4 {$ a2 r/ z <statement sequence1>;) B" ?' D: N% ^9 _$ ^0 \
when <constant_list> then
7 o" U8 O+ L0 M" `4 D <statement sequence2>;
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else
2 V. i3 A' i* H' G <statement sequence3>;
* i% l; u, q1 r( W3 fend;
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1 I4 ]& m. Z! C2循环语句
9 T" K, h) l, _2 A7 R( p5 r) N0 ] (1) from <statement sequence1>, F1 r" q' A: t
until <condition> loop6 R- K8 z+ F9 @. s
<statement sequence2>;: |/ A& F+ {) k) e3 l
end;
$ r, I% @6 p6 m3 I% K1 y (2) while <condition> loop+ m$ N% `* ]0 w+ i4 X
<statement sequence1>;
+ ^4 ]' U: ]5 r" \7 T" I end;( A0 R% O7 x* n, B
(3) repeat , b( b. V. ], l1 e
<statement sequence1>;
, d# t X* O7 o until <condition>;
8 R4 F3 ^! H1 C6 W (4) for <condition> to <condition> loop) b: i% |$ p5 Q$ _! m
<statement sequence1>;6 ^: r( i; @$ g8 U
next;. N8 ~8 F2 R- |( f! t+ S
3中断语句4 ^% t! K, g; ?3 G) c6 C0 _. k
waituntil <condition> prio <integer expression>;/ a- Q Q( u9 F8 C
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以上为常用的函数！
9 n) e/ x1 e) }) Z! h- R' N还有很多，如有需要我把资料发到你邮箱里
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