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发表于 2012-11-13 08:48:12
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1判断语句
6 ?& m9 `! v; V! v. H& j if <condition> then4 [2 {/ U- B9 t" I) t" c
<statement sequence1>;
5 K1 w/ l3 u( U n7 y elseif <condition> then7 H# {8 B) X1 @$ e
<statement sequence2>;
4 w6 J" S$ r0 L: [9 ^* J7 X else
( K5 g/ I. \2 o( B, F <statement sequence3>;$ r* J$ z/ K$ @. x! I5 [8 v- S& f' E
end;
2 z) h8 c, g3 d6 L2 P U: v4 O7 n如果分支比较多，用：8 b c% {( O9 K( u7 k3 J1 n: g
inspect <expression>
# G v) f- a, i7 o" H5 c! H, O when <constant_list> then
: u) E# f- }, R7 O2 i$ k <statement sequence1>;
1 i" ~- W9 o+ m* d! C: a7 f( I when <constant_list> then
$ P; A2 Z& L6 ?: g# Q <statement sequence2>;
- M( R u( H: w: q s ...
2 ~% H2 K' c# j4 Q else
4 K0 l2 D: Z5 R* a( I <statement sequence3>;5 ~; e E$ _8 v' _' r& t
end; X8 t7 M8 X5 D `* L
! n2 j/ q- K, [# E2循环语句$ w( k. k% T! f# l& {2 S
(1) from <statement sequence1>
" y, U0 C) A3 A9 E' d3 {: z- x until <condition> loop
0 N* k3 a- z7 A4 t! O <statement sequence2>; C! j9 l, m4 ]1 Q) t# ^+ s2 f
end;
8 }2 N$ g' Z3 Z" z4 c# J (2) while <condition> loop
3 @0 ? O$ I+ P6 i; \" K <statement sequence1>;* p, f/ j- X% z& N5 X- r4 z1 v
end;
( ?! j. `* e: U+ Y; U. G2 T+ ^ (3) repeat ! k8 _ n( d5 I6 B
<statement sequence1>;/ p5 i k/ ]1 x3 W! |6 i
until <condition>;
! b# x- B! | l% ` (4) for <condition> to <condition> loop
( c( k0 A( O/ M <statement sequence1>;8 M/ X' [' ]* ?* ?
next;
/ i. Z# @, }2 ]+ M3 p# i3中断语句
, Y6 ]1 \% K6 j' v) J. M- y5 { waituntil <condition> prio <integer expression>;3 f) Y1 G1 H( F C0 W. f( [4 \- z
, m) {$ c; p- P' X% P. M8 h% ^+ D
& i' t2 S2 [" ]0 @$ q以上为常用的函数！7 z+ t: V' {8 T
还有很多，如有需要我把资料发到你邮箱里 * u' A _( c" r4 s# \
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