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发表于 2012-11-13 08:48:12
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1判断语句
0 a4 Z' w# H2 f( _ if <condition> then9 d2 w* z! D2 ?1 g$ \
<statement sequence1>;: `! D0 P2 p% z& X
elseif <condition> then
3 a" v. F: i* k <statement sequence2>;
8 E. g+ C1 R) E6 C' p: K; M else
+ g6 ?& m+ V1 D/ d7 o <statement sequence3>;
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如果分支比较多，用：* ^) f! C- V$ |( b
inspect <expression>
1 i9 L! q# {$ n when <constant_list> then% h$ W: @* B# U$ q0 }1 q
<statement sequence1>;
# c& p' V/ {- `( Q8 c when <constant_list> then
6 S8 X' J; r3 ` <statement sequence2>;; ?; [+ k* R& T& {( y) x
...5 W1 T# a1 O* Y6 p: d
else
2 {. k+ X3 p7 _ <statement sequence3>;2 F/ W( u+ X5 ~& m3 w7 H2 Q
end;
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2循环语句
9 z8 D$ o' a3 `+ l6 L (1) from <statement sequence1>
* Z$ D, e1 ?# I# {4 X. V# o; h$ _ until <condition> loop
2 i- g- G3 L* n/ q <statement sequence2>;
% A4 V4 @2 f/ P2 Q+ ` P% \0 N" i: c end;
+ `; M% `& C- R+ [ (2) while <condition> loop" U5 C; S! t, X* j2 ]9 d
<statement sequence1>;
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(3) repeat
# \0 ~$ k, q6 S7 a7 v8 p/ p) L <statement sequence1>;: w) L) ?* k# Q5 M% a1 [# \$ L( ]) H
until <condition>;
; J. X% b6 M7 h3 i: i (4) for <condition> to <condition> loop6 N! v' z) N( b1 E) [
<statement sequence1>;
, L5 R2 p; W& z2 J# m$ z: m next;
4 W! F+ T- N, p2 O3中断语句
, u6 y* U7 P; m- e waituntil <condition> prio <integer expression>;
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以上为常用的函数！
8 `) h( D+ }# ~还有很多，如有需要我把资料发到你邮箱里 {3 S( u h7 u" O
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