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发表于 2012-11-13 08:48:12
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1判断语句1 d9 M9 P5 ?, I* l+ t
if <condition> then
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9 u: v: n8 Y J, `/ @ elseif <condition> then2 D+ n1 o6 t2 r. D& w+ e% `
<statement sequence2>;& R& R+ ^5 d2 x. p
else
0 x* f2 e* J! _9 g: L! R, c <statement sequence3>;4 t6 s% T* T, p+ j+ A
end;
, B; l6 Z; S* u如果分支比较多，用：
* u8 Q$ [% \ ]# B1 _7 X8 | inspect <expression>! \+ D+ I* i2 s+ m% c& W; ^1 Z( P5 l
when <constant_list> then# u4 O7 l& u% u7 T, y& H
<statement sequence1>;) a: @9 Z. m& {
when <constant_list> then7 K1 s( J' B- j N' S: j, m
<statement sequence2>;
$ Z( v, o1 g) Y6 r$ K& V ...
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<statement sequence3>;
1 S! m# k& t7 q1 eend;; }$ n7 i- r- ?2 {' N
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2循环语句1 q, o N" j$ c+ U3 U" N* G4 D
(1) from <statement sequence1>
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<statement sequence2>;
- h+ Q: d2 s9 g end;
H& d2 G; _. b- x n- y" ? (2) while <condition> loop' X7 Y* h3 x" V* q3 v6 g
<statement sequence1>;, O- W! A+ u$ I, Z2 I/ [
end;
# _( n# ~0 v6 j- ]: ?7 Q( ~ (3) repeat
0 K* W; E( u! o% C! L <statement sequence1>;
5 N- N1 @7 R2 y until <condition>;8 C6 u; l- T7 Y0 }
(4) for <condition> to <condition> loop; P) j& ~& r5 H0 t' W- S9 L9 g1 m
<statement sequence1>;
2 h9 t' E5 `7 }1 i! l8 }1 d next;
6 Q# ^# T# T E/ S Y, ]1 S3中断语句5 A% ^% l1 E; h( P' R) k& z
waituntil <condition> prio <integer expression>;
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以上为常用的函数！
4 T1 c' P% `' Z4 x0 O$ q) V4 X% c0 {还有很多，如有需要我把资料发到你邮箱里
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