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发表于 2012-11-13 08:48:12
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1判断语句; l, [' V' p8 J6 i
if <condition> then
8 p* v; K0 e( D7 w3 M <statement sequence1>;
$ e: ?( i& n. u q( _8 H9 X* d elseif <condition> then
! D6 l: q0 Y/ ^# `2 P) F' [ <statement sequence2>;: ~# j: S7 g: g- [* U9 Y
else 9 ^) N) A+ s/ _% N
<statement sequence3>;
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如果分支比较多，用：# H% r' f. E! c4 Q
inspect <expression>7 h+ `8 w3 Y; p0 h. m. ]
when <constant_list> then- F4 ]& `9 A3 `1 F" Q3 g
<statement sequence1>;
/ a6 x' v, b: _1 c when <constant_list> then
6 Z" k# j1 l4 s* i: e% R <statement sequence2>;6 n- J9 v9 ]+ N6 E4 R. @3 @, B
...$ p% d) J- o. H0 \7 B d) U# w/ C
else1 k7 @: t% K0 K w v3 u4 K
<statement sequence3>;
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2循环语句% ^' ?% `( T$ K
(1) from <statement sequence1>2 q2 u! t' @, U) E
until <condition> loop: C3 \5 J/ o) p4 Z
<statement sequence2>;, w r& z6 P; m5 {" M: ?% Q
end;
5 g t+ T5 \6 h# U0 J. E3 ` (2) while <condition> loop% O0 {& L: C+ d! i5 y0 A7 U
<statement sequence1>;. Y9 r- ~9 q9 t' P5 d1 \2 |
end;" D4 v. D* G, E: V
(3) repeat ! o4 S8 N8 T6 h6 O% }% {
<statement sequence1>;
+ \9 p5 g5 z/ `# f8 S6 r; D until <condition>;
7 Z" U6 E1 J& j3 d) r8 M (4) for <condition> to <condition> loop
3 W/ \8 U7 G% ^( I& a) J. j9 G <statement sequence1>;
& N' o% o& ?: z6 I% Y3 A! K/ C next;7 L: I5 N% `) m) x8 `; u6 i$ ? D
3中断语句
# ^9 X K; K& Z: b( y: d8 E+ b; K waituntil <condition> prio <integer expression>;
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以上为常用的函数！
/ t( \7 ~! G+ V6 L3 X& F; j" D还有很多，如有需要我把资料发到你邮箱里
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