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发表于 2012-11-13 08:48:12
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1判断语句+ @7 p& Y6 _& s$ \% x) ]
if <condition> then
! w, M# Z7 s1 [5 W+ z% P# p, p <statement sequence1>;4 X7 ]3 l; c0 v
elseif <condition> then: L( @, U4 a2 \; r/ f( S8 f6 A3 k" i
<statement sequence2>;
F0 K( j6 t1 J" V, x% g else
1 I, \" J9 h% V' R' g7 M A: _6 r <statement sequence3>;
" q' r6 ~4 `/ Y/ J. S+ n; e end;6 h3 w3 F" M6 J: l
如果分支比较多，用：
' \( Y# _: _) C: t. [1 ] inspect <expression>
) G# A; e. @9 l I when <constant_list> then
4 ^3 V% ^. [3 _! A- @/ |9 ? <statement sequence1>;4 c, l2 } |* K1 a, l j0 ^% v
when <constant_list> then
N9 \: i$ W5 u' |+ R, q8 B <statement sequence2>;; U' A6 t% x% p4 t2 |/ G; U
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else k4 D4 m5 K; c2 K( v
<statement sequence3>;
$ x3 q. R3 Y, p- Gend;+ k9 Y* {# l! E7 X; |% o
' E9 u7 Q* d5 }. j' e' H: ]% h2循环语句
4 v$ Y+ p( I+ v4 ]7 E! j5 A (1) from <statement sequence1>
7 Q/ L! t+ X) K( n- @: f: h3 r until <condition> loop
: U, T$ [1 j+ F7 u1 e$ a <statement sequence2>;
8 Y: ~3 m1 Z& k! F end;& Z6 S6 h* q. z0 [" l
(2) while <condition> loop4 B3 Q; G2 r$ ~& D/ g
<statement sequence1>;) T" [- ?& y7 o/ {- [ }
end;
: q7 B K/ X/ K- n6 s (3) repeat 3 b' \7 n" D* Q' W/ ~! [+ R
<statement sequence1>;. u: m+ r* n' _$ X$ ~% ^
until <condition>;
: s0 t. A" G# u4 s' S (4) for <condition> to <condition> loop
( x+ N; h4 N1 Y# H. U1 a: h <statement sequence1>;0 B y$ H( B4 ]9 ]' e M6 Y0 w* e
next;3 h9 m! d7 Y4 A
3中断语句
. U# _/ O& a7 d6 O+ W waituntil <condition> prio <integer expression>;
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以上为常用的函数！8 t* z/ X; O2 S( Q! Y. P+ T' {
还有很多，如有需要我把资料发到你邮箱里
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