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发表于 2012-11-13 08:48:12
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显示全部楼层
1判断语句
. R% y4 S( W7 ^& O1 H- [ if <condition> then
* a, a% h; R+ }, `' \* A. ?7 O <statement sequence1>;
- t% Y. j" z) l6 E! Q% r elseif <condition> then% n/ ]- v; I$ N" ^3 {7 o2 ^& K
<statement sequence2>;
* `5 P# d) T# [' A h( t else
; G) c2 l$ n+ F i9 D' n6 w3 A <statement sequence3>;. r6 s, B: i r( X
end;4 r" ]6 {$ s# L3 O, w+ @) `
如果分支比较多，用：
8 U, g2 g; n f. o! s2 E {. \0 Q. ^; [ inspect <expression>
, D9 V2 D* S8 m. I. |3 i when <constant_list> then
0 X2 e+ v2 o8 P. H, | <statement sequence1>;
9 z+ P h+ m) k5 K. R when <constant_list> then2 L+ K+ a$ e4 V8 o o
<statement sequence2>;
$ O# D. E* `2 {* T ...( z' _& q( r2 t2 P
else
+ Z5 l% R0 J9 a4 s$ K <statement sequence3>;
3 ]6 a' H# S' ]+ w9 b0 [end;
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3 `% b% h7 S+ ~) I" P0 `; Q, O/ W2循环语句- o& A1 ` b8 a0 R) |# P5 }
(1) from <statement sequence1>/ w& n7 n* T. b6 ]+ v h: l3 ^% Y4 s
until <condition> loop
* z* x% j9 c- O" e' z$ W! W7 M <statement sequence2>;
( j0 H1 Y' i# e7 a4 a7 ]6 N/ O end;' g. F1 V0 L* X% z( X2 o
(2) while <condition> loop/ N; h6 E4 ~& R t" k: c$ e+ ?6 q
<statement sequence1>;
; Q! [7 T6 q' t: f5 x3 [! ? end;
5 B7 {' q5 H% ~. B (3) repeat # u6 o X% H8 \6 ?5 z H
<statement sequence1>;
0 V5 F' Q* C7 B# j. C/ m; o3 s. d until <condition>;
5 b* O( J! c0 j6 G0 T, T. Y (4) for <condition> to <condition> loop
- w* f3 z4 z$ J1 g1 q9 d/ j <statement sequence1>;
4 I1 C* e/ n1 A' q next; D, U% e% w( I6 ?3 N
3中断语句
5 w, X' g: g Z1 D waituntil <condition> prio <integer expression>;
4 o* R, F* y X8 `$ Z) o# M& x
- F; X0 k1 \8 h8 Y0 ?
' K( X9 e& a# ?以上为常用的函数！, a! l% e/ m- f
还有很多，如有需要我把资料发到你邮箱里
3 ?6 B" O) A4 N/ S: ?* H2 ?5 p; X0 O; X! o8 g8 b: P& z# i6 Z
( z. g# V% @) d7 t0 ?- S9 {. ^- K
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5 `4 U2 P2 A2 ~2 }$ d
) O" ~5 A' P$ ^3 Q* x- a
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6 `0 k, q2 i3 ]/ b; B7 I* [6 V% {5 Y$ i9 w9 K# t/ K
/ i9 \) m z1 y) y. @: K7 }
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