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发表于 2012-11-13 08:48:12
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1判断语句
; O0 m3 W7 J+ ]" I" k+ g2 A6 a if <condition> then" E u$ y! B9 r" u4 i
<statement sequence1>;
' y5 e8 q/ f: \* T5 W1 W5 C elseif <condition> then. o' F8 p9 W+ z/ j
<statement sequence2>;
) ~" s' N, e: ]; R else
) ^3 s S0 r$ E) z <statement sequence3>;
# {! z z- X' z$ m# e end;
! c# u3 J2 A( c( r如果分支比较多，用：! q: t0 _9 o5 u
inspect <expression>
( F% R& a+ c3 r8 ]$ F when <constant_list> then
# F- g8 c# l; O, u# f <statement sequence1>;
* h$ e7 i2 x$ W" r( O8 D* k when <constant_list> then! y7 Q u, h+ p
<statement sequence2>;
( G x5 n, t; X! h ...
0 d" X4 j5 ~2 w, ]( {6 J& y else
* p; N7 @" F: y0 u8 h* E& L <statement sequence3>;
: T4 b5 G0 F8 R4 O* ^: Rend;9 d2 \6 x% J/ M' m- t
+ k. Y5 f. e6 `/ f2 [: U9 S4 L
2循环语句
! ]$ L/ `% B6 T9 g3 U$ ~ (1) from <statement sequence1>
& S- f; s, d) g until <condition> loop
* V; l/ _7 {$ e <statement sequence2>;
" P& {7 O7 B' y/ X% z end;
' S! U9 ]& C5 S2 c" A0 j% q (2) while <condition> loop
9 [, T4 z# S+ T9 F/ ?" p% c5 z <statement sequence1>;
: A: E- r. M. u* p end;
- S! i1 S' F' a$ V5 ^1 j (3) repeat " A/ C, C4 q2 D! v2 P6 J" b
<statement sequence1>;
. d# W+ a2 c, _2 q$ Q2 E until <condition>;
N3 |! N5 p0 |) ?/ M) ~ (4) for <condition> to <condition> loop
4 `4 l% H# g. o0 I) } <statement sequence1>;% x' Q- T7 Z. M/ Q
next;, }0 `; @/ c% _& J3 I# e( ~) c5 R. Y
3中断语句
) y, X7 y" W. y waituntil <condition> prio <integer expression>;% c2 x D7 ^- } p% i1 M
* [" ?* C, w$ V1 a# M" H/ d# b1 J/ _/ @' O* q: _
以上为常用的函数！4 P% _9 u5 ~+ w7 T+ U5 \ H# q
还有很多，如有需要我把资料发到你邮箱里
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