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发表于 2012-11-13 08:48:12
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1判断语句
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, A, t: w3 b1 A+ d5 \- B <statement sequence1>;
6 U. p5 {2 W& @ elseif <condition> then5 x" E3 m. k) t; r2 X# {- V
<statement sequence2>;
2 ]) S2 n: y y. |4 M4 o else
1 m. i; m+ N: V* [ <statement sequence3>;- S: p" E$ ]7 [4 W- D
end;
4 U& K W5 K5 N J& a7 F如果分支比较多，用：
; Z8 J- [0 A+ |, [) v* q inspect <expression> G3 w% i3 R* T, ~+ k+ A8 q5 x
when <constant_list> then/ H0 ^5 o& V6 w! c: t
<statement sequence1>;
0 _% N0 K* A7 `3 k, l2 |3 [* U; l: q when <constant_list> then) U' u7 O& M0 b1 L
<statement sequence2>;# e' t$ U: y9 l8 s# D& M
...
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<statement sequence3>;9 F8 B/ _) z# p$ R
end;
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8 L: H2 G( m9 o# f- u1 m8 T2循环语句/ @( }3 R5 _. D2 ~+ O
(1) from <statement sequence1>6 R2 g& f) r4 R. i- C
until <condition> loop: ^, d y( [ s
<statement sequence2>;: _3 j$ i. O% n t- m
end;
+ p6 f, N* ?% O (2) while <condition> loop
5 ~+ v2 D0 B7 e <statement sequence1>;1 o; _. i8 }9 g# N1 r0 e9 H
end;9 f1 y9 `2 L* Y/ v, G$ i* O6 D
(3) repeat , I1 Q3 m* }& m
<statement sequence1>;
5 ]0 P9 ]8 P: B* K# ? until <condition>;- T9 d/ s' l$ x- \
(4) for <condition> to <condition> loop# R! J. j6 w7 O( ]; L, L. v
<statement sequence1>;3 c3 u# p5 v$ u7 g! x
next;
( C' ]8 V9 x8 F( K% q; _3中断语句
9 @. J, j- A* H X waituntil <condition> prio <integer expression>;, f* B. [- L& G( W1 ?7 Z
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以上为常用的函数！ A6 e' O& U: g h" t* K
还有很多，如有需要我把资料发到你邮箱里
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