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发表于 2012-11-13 08:48:12
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1判断语句: W/ V5 O# }, x- R
if <condition> then
( \1 m7 m. m+ a' R8 H <statement sequence1>;
2 U5 I+ C. y* s" D elseif <condition> then9 L u# ^0 _" C; \, C& U
<statement sequence2>;+ g1 R3 B' u* C
else
& s7 B$ a+ }( h+ v; t) c& f <statement sequence3>;
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如果分支比较多，用：8 l M( @& \8 H6 X9 Z
inspect <expression>4 _$ e( {) t1 N) o/ j& g& s! d
when <constant_list> then9 U7 \1 q' U2 q5 W, c2 b( ^+ g
<statement sequence1>;
% n& G; {8 f: T3 q when <constant_list> then
3 i( G% }7 m x% p( a# p8 \- J ] <statement sequence2>;
5 E6 s5 I# ?$ e/ |) r1 y ...
% ]+ S# e @5 _/ I( a- m1 ^ else
- z1 @2 i) J- J" T! i T7 d% x <statement sequence3>;! }+ W* s. n4 `# Z) F, \
end;* V5 t3 `+ |2 m D- J
7 M" E: l0 ~9 v# [4 @ h2循环语句# A$ A. }. p3 S; h
(1) from <statement sequence1>1 C3 d9 l# \! p0 D
until <condition> loop: P" t* t9 s( X6 F
<statement sequence2>;6 u$ i0 {% S8 ~$ a6 F+ r
end;
4 ^6 u( r) F6 ~# g! s* {% W! h (2) while <condition> loop
Q& ~ ^- L! T) D5 t+ k <statement sequence1>;' t$ T7 r) J2 D0 H1 I
end;
7 n. P, x# ]7 ^ (3) repeat
) {: J5 ^& d4 T7 X* g <statement sequence1>;& {$ v; N0 n! e( z9 @: S" R
until <condition>;& p4 {- \* u# {$ K- I0 f
(4) for <condition> to <condition> loop
) B e7 E5 S' _6 t6 g <statement sequence1>;
/ b4 O& g, u) X: b& a' J$ G next;
+ K: X* s4 w6 _! V3中断语句% |; g& G3 ]% K4 U! M$ w3 a
waituntil <condition> prio <integer expression>;, [& ~1 i3 K1 L0 b0 X7 j8 ]+ w: y
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& o/ X% R" C: m$ t/ b以上为常用的函数！
: Z9 d1 g2 c: P5 a0 F: U6 J还有很多，如有需要我把资料发到你邮箱里 ( e6 Q. F1 z& c, y1 N
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