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发表于 2012-11-13 08:48:12
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1判断语句" V8 B; I( S* I) O3 V
if <condition> then
2 H6 I7 j: C! \ <statement sequence1>;7 l5 b. T& J v& e
elseif <condition> then6 B4 J" P# _* p7 F0 W9 C' Y
<statement sequence2>;% c; ], {. t. I6 ~# d6 V
else $ Y! r2 ^) p4 T3 Y
<statement sequence3>;
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如果分支比较多，用：0 E6 S0 O4 {! {0 G3 N; O% ~3 r& Y
inspect <expression>
5 K. P: U: f, M, o K when <constant_list> then
% B9 d) ]& h/ [" `! @ <statement sequence1>;
. D$ A2 g" O* A: {/ h when <constant_list> then, x( V3 e- H, c% U1 }! v5 e5 `. ~
<statement sequence2>;& H* s6 f4 Y0 U. A6 U
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else: G) H# j" i0 o
<statement sequence3>;
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. c" t6 W& T6 U8 x2循环语句/ m7 J( K3 H$ i9 y$ C9 B" i- P
(1) from <statement sequence1>& ^: b4 W8 x7 {5 h3 [1 @6 m
until <condition> loop
# F/ r# V6 g2 v& J( p0 O' A <statement sequence2>;6 ^% x; ]9 R: P8 m
end;
7 {9 ]. \& Q) ?4 h4 U (2) while <condition> loop
3 F' k" I8 `4 Q e n( a5 n7 O <statement sequence1>;
8 i0 q5 z- B W# i0 M4 q end;
% U! `, X# Y8 J8 K" q$ `0 l; K; } (3) repeat 0 d: w* u' w* J8 O8 u: E B+ q* m
<statement sequence1>;: z. y5 I: H' t8 Z/ t* @
until <condition>;
; [5 c& f% `. n# _- \1 l9 s, G" k (4) for <condition> to <condition> loop9 W$ T. n0 R7 F
<statement sequence1>;# v( h* \7 X4 P& _4 u$ \: M* q
next;
1 e5 f; }. V8 x, e9 i3中断语句
- \* y5 N" M# i2 O4 t6 _ waituntil <condition> prio <integer expression>;& t. p; H" N; m( k& \9 H
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以上为常用的函数！; K3 a0 I5 u2 V; Z2 n6 o$ w* J
还有很多，如有需要我把资料发到你邮箱里
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