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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, \* F# p: ~ M# m/ T
if <condition> then
9 M' {% G) Q- y <statement sequence1>;3 P+ e; K. W, R2 J
elseif <condition> then
3 Z: K! u5 B% L: _ <statement sequence2>;" g6 P. o$ X* o9 H( I
else
& T& v. W9 F, F$ Y <statement sequence3>;% u- K8 w) W. \* L' H1 k" D
end;) v6 I' l0 X! ^
如果分支比较多，用：5 K' d- [$ U" J+ G
inspect <expression>
7 Y& Q7 W6 w, o- G when <constant_list> then
' w' _4 }# R; Q8 b; Z5 r5 b <statement sequence1>;9 U; D A. S5 _
when <constant_list> then
, z3 K# H5 X5 q <statement sequence2>;. r) }6 c! i$ ^2 m& K
...
, l/ {8 H7 {# k; K& A else
4 @3 ~$ I+ r" ? <statement sequence3>;5 ^6 O( ?2 U2 M
end;) {7 U' O- v) Q
! A U# Z! i; ^: M, m4 V2循环语句- E3 ]% X' E- f& ]# c/ h. J j, o
(1) from <statement sequence1>, B' g: j4 L, h$ v) z
until <condition> loop
7 [) ~( Y2 t" V8 x B5 L3 ? <statement sequence2>;, k6 ^% D; Q, E/ C5 F& @
end;( Y- b; f: x. e" c# ^8 b6 b
(2) while <condition> loop/ u; B7 g# ]3 K' D8 L3 {6 X0 x. y
<statement sequence1>;
1 v0 G8 `, I) Z/ g end;; t' K6 i; C- c* [' Z' V, }
(3) repeat
7 o" r: u# l9 N# X9 {+ Y; R% Z- V <statement sequence1>; H; }9 M) A; \* `8 |; W
until <condition>;
; x' U; C$ g9 _( S, [ (4) for <condition> to <condition> loop& h% i$ X- J, \- A" J
<statement sequence1>;4 j* h" R' X4 D
next;& w+ y: v- p q
3中断语句
) s: L+ u" F' S- m waituntil <condition> prio <integer expression>;9 `: S- Y, V% l% ]2 P( s3 Q2 c9 ?
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以上为常用的函数！* q# [8 b: S Z$ M& ?, j& h' T
还有很多，如有需要我把资料发到你邮箱里 8 V; Q' D( H- v. n# o
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