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发表于 2012-11-13 08:48:12
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1判断语句
1 S* d# ~2 l, E% g, ~9 D1 G5 O0 F c if <condition> then! a1 i& N7 K$ Y+ W( R) A0 ~, o
<statement sequence1>;
9 p. d) b4 Z+ q( Q elseif <condition> then! [& O- V# {% ?6 v! |6 S
<statement sequence2>;
1 |3 d5 e' J. @ else
6 A6 [4 l- v0 l+ s# p7 {, C2 [" p" B <statement sequence3>;) e8 }2 [7 i6 H# @+ Y( K$ \! k
end;
1 W6 B( H/ `* i' J如果分支比较多，用：
9 W* M+ c& S9 a$ O$ y inspect <expression>4 e0 ?$ w/ z" b3 H; ?
when <constant_list> then: A9 z# |" L. i1 F6 a8 ~# l, r3 q
<statement sequence1>;% K) X' q, f, D+ |8 x5 s
when <constant_list> then+ m5 s. s+ k4 S
<statement sequence2>;
- J" u1 v# d3 B) j2 u ...
& a7 ]( @& F e9 \" z else
6 ]# d, `& s3 C <statement sequence3>;
5 d3 R7 D8 K9 y: f8 O8 zend;- I6 g: |* V6 j% a" R# d
, \8 j- z4 R& _) y2 x* S2循环语句8 U, ?6 i/ `8 P% p) Q
(1) from <statement sequence1>8 M0 N9 M/ k$ w, e, x9 L1 s
until <condition> loop
7 f R' ^; c# Y- P6 B <statement sequence2>;
8 C3 ~0 [: o3 u1 v3 j4 m end;
7 l# r7 S. j K* [' N$ j# r (2) while <condition> loop7 K; @. E& w& R) v( l: [
<statement sequence1>;" }; N9 ~ C6 [7 D# D: h) c% f
end;
' o# Z% G) z* H7 A$ J2 `- T. U (3) repeat X3 {2 E8 v, @0 {* Y5 x3 d9 m2 L
<statement sequence1>;! v4 K- J& @8 Z- F5 {+ |1 L
until <condition>;
+ s: ~# Z7 s' g; `* s) B& ^ (4) for <condition> to <condition> loop2 y% y) L6 o3 T8 e0 L
<statement sequence1>;/ d; S2 g# M1 E/ ?
next;4 ]8 r- |7 g2 G% A0 I$ r
3中断语句# u3 l. [6 v. Y; W! H6 _
waituntil <condition> prio <integer expression>;
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以上为常用的函数！6 i* h! C" r% x& [$ Y: i2 S
还有很多，如有需要我把资料发到你邮箱里
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