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发表于 2012-11-13 08:48:12
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1判断语句
" m. H7 j' J+ q+ P5 k. p. ?6 R$ k* _ if <condition> then
% ?; X/ `; @0 O5 c- O8 r <statement sequence1>;
6 f! s1 Y5 V# n/ x1 Y, R% j elseif <condition> then
- M; e8 v- |4 o2 F/ ^5 C5 u2 z <statement sequence2>;. o: f# c9 Y8 x+ K- |
else # _6 F# `) O, S' S+ G* ?6 D7 `
<statement sequence3>;
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如果分支比较多，用：$ ]2 G4 S7 d) o l) l
inspect <expression>* T7 J; ]! {$ }) i1 o l9 Y
when <constant_list> then# m1 u) O! }) ~# [0 |2 J
<statement sequence1>;
* D# [4 u4 y8 m+ |7 c% e when <constant_list> then
^/ `# D0 {( n( { <statement sequence2>;3 L& o2 l! z/ Q$ ~* f) u" {, T* m
...
, f( g# t- f2 `; U7 S else
9 f2 U O2 N! Q8 o R7 Q- b <statement sequence3>;
7 N1 ^2 |* d3 k# f9 @end;0 k) H, M8 H/ V2 d/ E9 J) r- d
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2循环语句- W3 n* e# v- I6 n* J
(1) from <statement sequence1>2 `) N9 A% p) _5 W. i1 Q" e* O4 Q$ S* r1 Q
until <condition> loop
. h* z+ N v# r' m1 X6 I& h& b <statement sequence2>;/ i1 c1 y* d4 K( \- n5 I! w+ J
end;% X: ?+ ^2 ]9 p' g6 r
(2) while <condition> loop
! p& w' v m9 ? <statement sequence1>;4 _! n! q6 \8 C2 K( X, U, Q0 B
end;4 N! c* e) M0 x6 X9 v" V4 L
(3) repeat
; W9 z* V+ ^% Q! { <statement sequence1>;
2 z# ?& p" P: h% M" V* k until <condition>;
9 y: t) g+ t* O ~, s- \: M" Y (4) for <condition> to <condition> loop
8 b6 M" I/ k5 u, Z9 a9 }7 O7 e <statement sequence1>;5 W2 Y& r5 S, l# D1 p: [
next;4 {+ ^/ n2 M1 v
3中断语句( r& u4 i5 ?6 B
waituntil <condition> prio <integer expression>;: J4 u; j# C1 D5 F7 E
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以上为常用的函数！
( K. P3 C3 R* L0 A还有很多，如有需要我把资料发到你邮箱里
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