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发表于 2012-11-13 08:48:12
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1判断语句" }9 M- u$ y- \) B% b- v0 U7 ~
if <condition> then3 O2 T6 ~8 W* Y& g+ L
<statement sequence1>;$ V2 v8 w0 B. Y8 A1 A( R I
elseif <condition> then
7 H& S6 p0 _) I4 W9 x7 O <statement sequence2>;
: |" n4 P5 L" Y5 k4 A3 |& N( D else
3 }8 |9 H* j9 O <statement sequence3>;' S( j4 O2 v" Z @" T
end;
# a: _& D4 U- _9 g( ~- M" |如果分支比较多，用：
5 j1 I8 D/ a+ j% k3 M+ V: _ inspect <expression>3 ?" @8 t0 d* u- i4 ~, A9 ^
when <constant_list> then) z, W5 ~+ V) u3 }& j& f' b- v
<statement sequence1>;
9 G2 C, w$ U$ Q: r5 R i6 I when <constant_list> then
; S+ N4 B9 v$ j& q1 E6 g7 j& b <statement sequence2>;3 P7 Z' ^$ t. u' c
...
+ [9 ~) ]# V& v, I else
- y4 Z# s: z. L4 q+ H <statement sequence3>;$ F/ D: ?2 b1 U# p- V
end;) `* b5 r1 n' @, r5 W
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2循环语句
, R5 ~4 t7 j1 T (1) from <statement sequence1>
" {6 f* ^" [, ?8 j. @; w7 f5 U until <condition> loop3 [4 n& P/ ~. K% ^% C& m( K
<statement sequence2>;
, c3 A. P4 I! O1 v# T end;
$ @8 S, }( c% W- \8 t: s4 @' o1 k (2) while <condition> loop" p5 h9 D- B$ V/ [* n# U- P9 \' }
<statement sequence1>;; T( g6 ?3 r: [
end;
- z. U1 J, c% j. G9 x (3) repeat
+ _+ d6 E/ m m# r% A, I <statement sequence1>;& p2 s! P# @% v# w. r) m
until <condition>;: {' V2 D4 [, b2 w& X
(4) for <condition> to <condition> loop5 K+ N* Q! A8 k; T2 B5 @
<statement sequence1>;
4 I- i. z# G' | next;
; \, X) t# V' \ k* ~3中断语句' g- h/ X' \! s9 D* j' T& W
waituntil <condition> prio <integer expression>;9 K' h9 j4 u' T6 D8 h
+ z! x( y- F2 o+ K2 Y. T
: R% H) d$ Y, M以上为常用的函数！ W8 S( r9 `+ u V3 ^5 c
还有很多，如有需要我把资料发到你邮箱里
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