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发表于 2012-11-13 08:48:12
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1判断语句
2 B8 _. g. [' Y+ f if <condition> then
- |& k; |4 r( D# k8 I <statement sequence1>;4 Y' ]0 l( a, Z2 h
elseif <condition> then
9 {' E% m' C; D% z4 @( f <statement sequence2>;
2 H6 a6 z& g6 d; Q9 Q, i: T1 A else " A* R) e, ?6 {* {; a! i' q( g
<statement sequence3>;" {; u- ^" L# f7 n# C0 u$ l6 ]
end;
/ d2 {# e7 Y2 J* {) ^( o如果分支比较多，用：
: b3 [) x2 ]3 [$ M inspect <expression>
8 \9 f2 s& y2 \- M2 C& x3 z7 z when <constant_list> then
( q8 t1 O$ A; |0 Z4 c <statement sequence1>;; h) u! b0 Q& w; N
when <constant_list> then
6 l4 `% W4 B: T- q <statement sequence2>;2 u( S3 O$ k/ L
...
$ }+ G6 _* R$ u else
n5 E5 v, m* G, G. q& Q <statement sequence3>;3 W J2 T: `$ c2 P ~% R% c; @
end;
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2循环语句' ]- @! h* j6 b ]/ z
(1) from <statement sequence1>* l& \- p: F* E* z6 H
until <condition> loop
1 W5 N& s' W- ^: C- `8 Z; C <statement sequence2>;: Q' b/ Z3 N& Z, A* q2 R
end;. b) p+ Y& x' c4 O0 o: i9 x$ ]3 o4 N
(2) while <condition> loop
7 G2 U, S4 d0 A# O6 \ <statement sequence1>;
# Q; w2 x& x# A5 T end;
/ P! o, L" H, X; T (3) repeat
" F1 y- z4 [/ C. Y) d2 ] <statement sequence1>;
) I4 b* D$ X9 M$ @1 S _/ I+ w until <condition>;
$ ~& S; A4 \" Q7 T (4) for <condition> to <condition> loop+ k) f. c$ l7 V6 _% Y1 a& z6 E
<statement sequence1>;
4 {! I" f1 p% z6 Q next;
9 c# ~0 w' p! B) E" ~# o0 z& |3中断语句: Y+ d3 |/ w4 W! C4 L5 C& i
waituntil <condition> prio <integer expression>;
& S. s% a/ f) U( g {6 R& {& A- F) Z# z6 Q
1 I) x$ B. ]2 V' ?以上为常用的函数！
8 e& j4 u2 B3 B% T" ^还有很多，如有需要我把资料发到你邮箱里 ! P' {4 y% j7 V% A9 t
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6 [$ w( ?; b' k1 Q8 T0 r9 \7 O4 j- X. X/ v0 L! c5 u* B$ I
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