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发表于 2012-11-13 08:48:12
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1判断语句9 `, S8 _; ]- T
if <condition> then
. Y1 [* S$ P9 p1 i! K7 f/ b8 J <statement sequence1>;
. u' @- u$ O, F; M, `% F elseif <condition> then; u5 B5 J; O6 R- U6 q- H0 [
<statement sequence2>;/ J/ Z( n( Q, l: k! J+ M
else - E8 `" c& c9 s( Z" i
<statement sequence3>;3 T- Q; w5 t- d. H) o O: z
end;
- Y. p# X* U; w/ [- G如果分支比较多，用：
% K6 i, W- b% B" f: w inspect <expression>
3 ? v; c. e" q) e when <constant_list> then1 _0 W5 z+ T. s" x% [6 Q
<statement sequence1>;2 v* {5 ]% C. j u3 d+ U! K
when <constant_list> then
: ]+ w3 }' F7 |. F! \, {( U <statement sequence2>;3 ]9 L% J6 l* ~) q H# X
...
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<statement sequence3>;' Y# t$ X2 y& b' ^" V/ N; x- Y
end;; P8 x6 e8 V" W+ R, a1 c) J" K. o
( T, \0 b1 f) U+ d6 C5 Z) V, C: B2循环语句
6 ~! U4 H$ U, C- q (1) from <statement sequence1>
2 z2 ^+ I& J8 J2 k2 _ until <condition> loop1 b9 f# P6 h) b4 W
<statement sequence2>;
4 i: F/ b& Q. H0 a- \& A, B3 e end;
' x; L! Y/ }# f8 T (2) while <condition> loop
& P; V' n* c4 |0 {- b <statement sequence1>;
: ?! t% M) n2 P+ I9 D$ W& q end;' {/ j3 `6 Y2 n( j8 @; I A
(3) repeat
; u( k) W0 S0 T' y" n% ]2 `) v" w. c: Y <statement sequence1>;
; g& |% p i# o4 {* R" A5 T until <condition>;
3 ^' R4 ?6 U) i9 z# v8 ^* l9 A (4) for <condition> to <condition> loop
0 k6 B8 b4 }1 u# p) ? <statement sequence1>;) T( X% q$ R- C3 A' Y6 E' F: j
next;2 ^5 k+ u# M: e' b; C- m
3中断语句6 s0 o. ?2 q9 K5 c
waituntil <condition> prio <integer expression>;" B: o% |" e" h* F; R( x
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以上为常用的函数！' R# e8 C4 y! [& j, _7 P$ @
还有很多，如有需要我把资料发到你邮箱里 * ]" ?4 d% ?8 m
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