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发表于 2012-11-13 08:48:12
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1判断语句
$ h* @1 B. F9 n if <condition> then. t. {0 V- Q7 @( @: g2 V" y' P
<statement sequence1>;7 |$ J1 N% G# o+ i4 `2 z6 ?- W
elseif <condition> then
* t$ [. d; l: t# s8 K <statement sequence2>;
$ w$ S) `& J$ T9 r* F5 L3 \ else
! i0 j- f# J* K8 e3 A2 @ <statement sequence3>;" m! I6 D- u5 F. Q# g: u9 |5 ^, }
end;, _3 h6 o* h9 P* l& p2 I) w
如果分支比较多，用： K: a/ Z& X# [2 A2 F, G$ @
inspect <expression>$ t ?. I. P! ?1 p7 N' d
when <constant_list> then. N2 J4 L0 [ u) k
<statement sequence1>;8 X f6 V1 T" _) B, r/ L3 {; H. g
when <constant_list> then' w) ~" n2 D3 s/ k$ j# b5 e
<statement sequence2>;- g1 [5 c0 ]& i- g( e* i I
...+ X' z; Y: @1 a4 t/ q
else( [% }9 \, k3 |2 Z% W2 N
<statement sequence3>;
2 E" n6 A5 ]# k! Y& q% qend; c/ a4 j2 a9 l. Q. B- g: o z
* \8 ]2 s4 c! P% y2循环语句
0 K5 C- M4 D$ s, k# O' n (1) from <statement sequence1>
. e" z( w8 b* J! T until <condition> loop
: P# Z; n! M. P. [$ z! W <statement sequence2>;1 I/ k3 M/ E! f& ^# T. g4 k% x
end;) T9 A0 \2 g! g3 z
(2) while <condition> loop8 f. e$ V( _1 z' z) @7 y1 t6 Z
<statement sequence1>;( N3 F' x# s* s
end;' K: }% A2 @! g2 [
(3) repeat
( S- Y/ U* j t z <statement sequence1>;
5 J4 F2 g% P+ J+ e8 T! o2 o until <condition>;
- E/ L& o' k. _2 e: x0 U (4) for <condition> to <condition> loop9 m6 m0 e) Z6 n9 c o
<statement sequence1>;3 D. c2 w' R0 _* ^
next;; C$ q5 I/ ]+ j" Z5 ~/ o" m. [
3中断语句
: a; S& d* i8 f+ h waituntil <condition> prio <integer expression>;( q' K+ _3 z$ R5 f. i8 a
" V" _# l8 T) p8 U7 n) ^4 V
$ G5 H. O' L2 V6 _- H+ p以上为常用的函数！( V" S$ B$ W4 ^9 ^$ G0 `
还有很多，如有需要我把资料发到你邮箱里
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