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发表于 2012-11-13 08:48:12
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1判断语句
/ T7 g) E& V: P if <condition> then. d) _7 R1 o: }4 a8 s
<statement sequence1>;
7 @( K/ c1 u# W' e elseif <condition> then6 h+ C6 ?; o [% B
<statement sequence2>;
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<statement sequence3>;3 f) O: ^' F# t5 v ?* G
end;
1 ~- D" w% J0 H4 E: A3 H6 q如果分支比较多，用：2 ?" |- z0 c/ J
inspect <expression>
3 U; q! m0 E8 B when <constant_list> then7 t' E% A6 H8 q( m/ r i
<statement sequence1>;4 s; I3 I" c6 M$ t9 H/ {
when <constant_list> then- P& K1 W+ X( C, G8 Z4 q
<statement sequence2>;
* H' H, B( Z C! Y) s ...
$ y1 B: }* S( l, F else
1 i- P: f: _+ i$ `+ z <statement sequence3>;
- I5 h- i0 z, {9 u1 L/ ^$ n. [end;
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2循环语句
8 K/ P0 l G: L- o( }1 B- ` (1) from <statement sequence1>+ Z0 j v, z; s8 ~7 ]
until <condition> loop( g: x {+ Q! K4 N9 \
<statement sequence2>;
. B, o3 ?$ W% E0 a& y end;5 [2 E+ Q& s5 U" I3 u
(2) while <condition> loop3 E2 o; w4 d9 h2 Y2 H
<statement sequence1>;
2 I; @3 s' n8 w$ N4 x end;( G) F; M- f5 p2 ?( ^
(3) repeat 9 m# b! S+ P9 j4 D# I8 m3 C0 k% b2 N: M
<statement sequence1>;& w! U1 ~, L$ a/ T
until <condition>;
+ N/ t1 I3 Z% O! Z" R6 @3 K" L (4) for <condition> to <condition> loop
' B' ~" C+ Y) R3 _; e# C <statement sequence1>;: G9 J7 e# e$ |
next;
, ?( U' i) g" S3中断语句7 ?# b1 b2 j; H/ G
waituntil <condition> prio <integer expression>;
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以上为常用的函数！
& J% f6 a: W3 D& ~( \. p: `- c还有很多，如有需要我把资料发到你邮箱里
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