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发表于 2012-11-13 08:48:12
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1判断语句0 Y9 K& r& H# D2 ^, z4 }+ L
if <condition> then
# a w+ J/ ]! q7 h o <statement sequence1>;
$ v2 S+ E$ b3 Q8 m elseif <condition> then
8 h0 V$ j% g: w3 }3 z* d <statement sequence2>;3 b3 ]4 R4 N) l
else
: i, t* g% ~: Z4 s# X: V: v <statement sequence3>;2 g% B/ F( B2 R2 J8 ]
end;: m; f% s' K3 W& U
如果分支比较多，用：% H5 `+ N% [' S6 y
inspect <expression>7 Z+ _ ]- @/ x/ ` u1 p
when <constant_list> then
) G/ u4 o t/ `, f <statement sequence1>;) d( O5 O5 B/ {$ \
when <constant_list> then
- n0 K0 R# N$ X& N <statement sequence2>;
5 b" j2 V( V( p" Q& G! d+ j ...
1 j/ K" w2 T1 n3 U* o( i else
6 i- \, ^1 h1 t3 ]; M8 ] <statement sequence3>;4 J% A) A9 z. R7 U
end;
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2循环语句+ c9 R2 f; r* A: f1 m! Q9 L
(1) from <statement sequence1> q/ F" ~' F- _+ _3 m
until <condition> loop
# {" N; L3 }6 F0 j <statement sequence2>;
/ [/ ^1 l, H4 y5 A: N1 ^ end;0 v2 g5 y3 o3 S8 y( ~
(2) while <condition> loop Y* \$ r% }9 y* T- u' q$ C
<statement sequence1>;
! Z) c. g7 l: j) I+ c4 \$ h( q. l; C end;
6 t2 I; }$ K8 Y# p" R6 R (3) repeat
* C* L$ G7 s7 {7 z) a. @ <statement sequence1>;
5 I4 D E' s6 N; P* g: `; G until <condition>;. g* @3 Z6 l- J( `0 V+ F
(4) for <condition> to <condition> loop
( o$ I. n1 Y% L; n <statement sequence1>;, W8 h4 S/ i% Q) ]
next;5 q1 e# u1 [. d) p9 ~
3中断语句/ e. ~# H7 H$ Z. M* h* A, B
waituntil <condition> prio <integer expression>;1 R; V* C; M" E3 ?: I: I- O
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以上为常用的函数！
; P0 A0 X0 ]) b, o1 C) z还有很多，如有需要我把资料发到你邮箱里
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