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发表于 2012-11-13 08:48:12
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1判断语句( q, W4 f0 v' o" C7 t; n4 w9 \
if <condition> then
) |) w- V9 w+ z4 C: l0 I <statement sequence1>;5 e/ ]' [1 o3 t9 e2 ]
elseif <condition> then( K! Q5 z9 S1 b
<statement sequence2>;
5 h# ?6 u6 U0 |; m0 V( J else
% y' Q& \7 H: z- P1 | <statement sequence3>;8 B- K |+ h) A+ v* N" O
end;* R. D+ x0 D. V
如果分支比较多，用：2 W* |3 q+ v! ?, |
inspect <expression>
# R0 _$ q. l8 j$ @ {8 U& s when <constant_list> then
* D3 T0 L2 e4 y+ G <statement sequence1>;0 R2 k' `& A3 {$ G/ Z- r
when <constant_list> then
0 \, {0 J) ]% N+ s <statement sequence2>;
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else
' q; v: q! Z( S <statement sequence3>;- E& o6 ] o7 O& a
end;8 k' T# @8 Y8 J# S4 C1 \
' p9 a2 q+ Q( A2循环语句
s! u B X+ u; E (1) from <statement sequence1>/ X7 `! I8 ]: V2 @* X/ L, t. H
until <condition> loop$ ?$ L, z' p; G) ?
<statement sequence2>;( w' q1 W5 h! [4 _/ c) x1 v
end;
- T9 @/ G/ U' i0 R/ h' E1 n. Q (2) while <condition> loop
5 |' u* @1 B- D1 q+ m* G* `. a <statement sequence1>;$ m& Y) E! {# y
end;$ q% ?5 I9 }4 U
(3) repeat
6 _+ x4 U, P& F3 j* J# R <statement sequence1>;9 n9 ^9 q: \& R+ x& G: ]
until <condition>;
1 }, X2 `9 T& A# Y2 K, _% H4 ?8 x+ g (4) for <condition> to <condition> loop
4 \0 i. A6 f, W+ h6 m* N# c <statement sequence1>;( }: F/ V5 [9 A8 Q
next;; [% m$ \. g& X# r( {" T, D1 `
3中断语句
8 @; N* c5 l1 B0 ^6 C: N0 ]; Z/ A waituntil <condition> prio <integer expression>;
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5 Q" |! u4 L# o以上为常用的函数！5 Z' e7 H9 i4 D% ]( R s; T
还有很多，如有需要我把资料发到你邮箱里
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