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发表于 2012-11-13 08:48:12
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1判断语句
6 [; b3 ^( h. w- K: x l if <condition> then
4 n' m1 F, i( K, H- M <statement sequence1>;
$ F8 c0 y9 b2 t8 b5 k$ R elseif <condition> then
# }+ v* m# ~" p <statement sequence2>;
+ e F1 f# v% C else
7 o# y7 u; x Q! M3 I <statement sequence3>;
/ ?1 M/ o1 m' Q. W9 y end;
6 H" U# K3 j& L/ B( O! {# a$ {如果分支比较多，用：3 X/ ~) E [, [/ P( N1 G
inspect <expression>
, p) D$ [* F8 ~ }% D1 d when <constant_list> then
7 J# E2 d7 V* z6 F- m7 ~" n <statement sequence1>;5 y, y# y$ B7 A0 M/ b0 C6 ]2 t
when <constant_list> then# N$ O6 x1 c1 O
<statement sequence2>;" G9 R t7 T- v& W
..., S2 M$ Z, T+ Q0 h* }
else
4 r* _$ z4 _! {2 U+ W5 K5 ~! Z <statement sequence3>;
& y6 n. l+ q1 H$ g7 h; Q) ~* A$ T; @end;
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2循环语句9 x9 u) S# M- |, F
(1) from <statement sequence1>4 D9 Z) u) _4 V4 X# C
until <condition> loop
# a n$ B3 z6 P0 d$ a6 ]9 V: M <statement sequence2>;
% u6 k+ j: S( K5 d/ x' Y end;) I) @& f( m( k: J# ]. x) ?9 G
(2) while <condition> loop
- |8 t% c- n6 W0 A0 ~! Z( \3 a <statement sequence1>;, t# V* ~" B3 y8 \# e
end;
3 Y) Y1 V7 u5 |% q1 e& ]1 k (3) repeat / O2 q( x& E, d; {: P+ ^
<statement sequence1>;0 |2 y0 `9 M5 E) c
until <condition>;
9 M/ U! |0 Z- w6 q& o" |, O6 r (4) for <condition> to <condition> loop
* s2 ]4 s) W6 I( E" v. K9 X; P <statement sequence1>;
: s. y0 n- s- C2 ?2 @' l& B' \ next;
* K' M( s# p5 F* D. p* o) ^3中断语句' w, K8 x3 m; J
waituntil <condition> prio <integer expression>;& `. D% ]+ a, W! @
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以上为常用的函数！: N7 |2 W# f% ^4 F
还有很多，如有需要我把资料发到你邮箱里
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