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发表于 2012-11-13 08:48:12
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1判断语句
# S3 m' N# {. n1 [+ c' R if <condition> then
9 r# ?4 Q1 K/ E1 l/ |" O; M8 [ <statement sequence1>;
) G' S. k3 _6 ~ elseif <condition> then1 P3 R# O3 r, @: Z
<statement sequence2>;
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<statement sequence3>;, V: `8 D+ T" x$ t' q. [* `, r" T' V3 f
end;
( M6 H1 W7 Q& j如果分支比较多，用：7 o- M. x1 W/ t1 Q6 _
inspect <expression>
2 d' P9 W" L' u/ O7 M9 w% j! R when <constant_list> then
4 n, O6 W7 X. m# K <statement sequence1>;
7 l3 H6 M8 {; R- g when <constant_list> then
+ k9 b# @$ V. V1 G6 r% C" C <statement sequence2>;- W$ e- ?9 | j3 f6 M& x
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else, Q7 d5 X( D; G3 T3 e. s. v1 a6 l
<statement sequence3>; T. N4 Y- x3 J# Z' W
end;
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2循环语句' J# ]; B `$ _4 N
(1) from <statement sequence1>9 t6 g! O8 i* ~* e) c
until <condition> loop
% D# o- z- f& P7 t+ H% U) t$ S <statement sequence2>;
! K! ^& G# e {" C0 A) T- ?$ ? end;
/ U$ y. ^6 F4 R; L (2) while <condition> loop6 u0 @/ z4 M& ]& p& ?0 ^- f
<statement sequence1>;
: \2 l8 S- Q5 m# M end;
0 l5 h. ?( B; l# Z8 A (3) repeat
# l9 y" v2 U! j/ Q7 R <statement sequence1>;) u6 X# k) p& L! q2 Q" g% I
until <condition>;3 n$ [/ O" n6 c9 a2 g
(4) for <condition> to <condition> loop
" Z/ C, T& k: z. f. [ W4 w" S <statement sequence1>;
% ~ e3 V6 d$ Q" j, g+ Z" T next;
: U6 @; D9 S3 ?& ]* f [1 U3中断语句
5 K7 o4 h. |* _ waituntil <condition> prio <integer expression>;
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, w& M" m+ Q0 m) g& S以上为常用的函数！; u; Y% P: v( ~ l6 R5 \9 O
还有很多，如有需要我把资料发到你邮箱里 % ]8 P2 _8 @2 g1 Q
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