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发表于 2012-11-13 08:48:12
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1判断语句; O f0 R, H& }
if <condition> then; M Z8 f/ `; t F3 N
<statement sequence1>;
1 ]+ t5 V" Z9 i: x9 S/ z elseif <condition> then) v0 f* ?$ U- k2 m
<statement sequence2>;9 V I E z& b$ \+ ?" h1 F; t8 a
else 2 ]$ J, U* ^# X+ c) x6 v9 R" M T
<statement sequence3>;
7 H3 j' l9 D; T9 {- |: [ end;
% H4 F0 ^5 x# |" h$ l5 Z* R* I如果分支比较多，用：- r) _' |. Y* x4 ?: L
inspect <expression>
& [4 _' b* N- d" }* V) h# Z when <constant_list> then: \5 ~' Y8 {+ @1 E% |% n
<statement sequence1>;
' ^ v1 X& ~% Y* B4 S3 u when <constant_list> then
3 e: I" f( @. Z2 S8 B7 V8 f7 t <statement sequence2>;' G1 l6 L; U& K/ N6 S& j
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else
; B5 s1 ? e) U; m <statement sequence3>;
V% o- u& |" G' K3 v9 q6 Cend;0 T- B0 i( }3 S- G
4 A; z2 z' c% r, V: U2循环语句0 E, x$ R% P8 R5 a" @
(1) from <statement sequence1>
0 k. s. ]2 n* [1 D; _ until <condition> loop
: a" T9 U: A$ I7 y& ~( m9 z <statement sequence2>;: p4 P, p# z! b' }. E' M6 }
end;7 C' _9 {9 t2 |% T
(2) while <condition> loop- {; y' {5 g/ q9 y" r! N
<statement sequence1>;
; C5 ~" D( j' Y end;
# y8 ~5 g$ ^- \7 ]# L (3) repeat 2 ~. g9 H, H) Y3 d, r. W2 p. ?
<statement sequence1>;
6 i; N, s8 u- G/ L; i; n0 b until <condition>;
8 C1 j r" F2 a4 U- W (4) for <condition> to <condition> loop
. M9 v! \; y8 \1 P% |: _8 G/ W <statement sequence1>;4 p& L2 V9 I/ A$ n# a1 O7 Z0 [
next;
$ u* l. N& H8 l; o- ~5 i& a3中断语句1 I. b$ U8 y6 i5 U9 E5 L
waituntil <condition> prio <integer expression>;
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以上为常用的函数！9 M: { r# J) Q! I
还有很多，如有需要我把资料发到你邮箱里
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