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发表于 2012-11-13 08:48:12
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显示全部楼层
1判断语句
2 O* w# Y$ H- l# i; v if <condition> then
z r2 f8 {3 y9 K: p <statement sequence1>;
1 e ~) z( e0 ^7 v3 a1 } elseif <condition> then
, q' C( J2 ]; E/ z' J: x. t5 B <statement sequence2>;, l+ O7 `$ h3 L9 ?8 J
else 1 T3 `9 ^: }/ W( D: i% N' ?
<statement sequence3>;& M- _5 Q1 p) b5 b) K# i i# e/ r9 M
end;: ?# E1 V, i3 T; _
如果分支比较多，用：
5 c/ T( R0 O- O" [, e inspect <expression>
+ A; ~9 I! g& h& |/ w when <constant_list> then3 x" o2 H: [) W n a" H. Y
<statement sequence1>;
) `8 B6 s3 S! p/ u9 m" e when <constant_list> then) z7 E- a+ a6 x
<statement sequence2>;2 g' a0 k+ z6 }/ u8 f5 k$ a% T, {
...: }4 i$ p( y, h- I
else
# a% L$ I y! U; W3 ^* }& y) g0 \4 ]. ~ <statement sequence3>;5 d6 r4 k, c) h) J
end;
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2循环语句
4 `; x* b% {( w (1) from <statement sequence1>/ D3 g1 C* |' X* A5 I h
until <condition> loop
2 q% Q) w0 U& K7 _3 W8 J <statement sequence2>;
; I+ u2 \: e2 | end;1 d5 m7 _' x6 e( Z
(2) while <condition> loop* a! Y2 P3 C+ ^
<statement sequence1>;
1 w0 F& |3 ]3 J6 K! n: A end;8 t0 Q- z3 X: k& Q1 s: {0 e" c
(3) repeat
5 c' W) N( v( h' } <statement sequence1>;+ P$ m9 N$ Q& H
until <condition>;
, @" N0 y5 ~1 S, M D (4) for <condition> to <condition> loop0 `- v3 m7 F* R& B; @
<statement sequence1>;
5 \! {3 [$ a. Z% M& j next; b& @/ [& {( t1 a, A+ T a
3中断语句& v! ^2 k9 M7 |4 J$ b5 S3 c- x' l& }. Q
waituntil <condition> prio <integer expression>;! P% [- j+ E. B) ~, @) K
- W7 x- f) y* s# Q( K/ r
$ ?7 D" C. V7 x以上为常用的函数！ O0 O( e3 u' r
还有很多，如有需要我把资料发到你邮箱里 / ?, q! f# G3 g* V8 j) V1 C
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