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发表于 2012-11-13 08:48:12
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1判断语句. J6 t% Z& U3 n/ [3 D: _- @
if <condition> then+ z$ K" Q: {8 M% H: E
<statement sequence1>;
4 z5 x& Y5 M; W3 ?$ i elseif <condition> then
2 z x; W6 k+ o' K1 [ <statement sequence2>;8 M/ y6 h/ j' d7 T
else
6 T4 n$ |( L' E# @8 H <statement sequence3>;5 W* E& G; _: _! I z# O2 f0 F
end; M ~/ K# z. h9 k& Q
如果分支比较多，用：8 v3 n! L# S1 Z) V! B
inspect <expression>6 k. C8 \9 S( E y2 y
when <constant_list> then% N+ G8 N d, O3 A
<statement sequence1>;' N. B: ?0 B$ z
when <constant_list> then
7 N8 Y x# E+ k8 M, p <statement sequence2>;# z/ I" M2 y$ p' b7 E8 c% B
...
5 R0 D1 n" u. N( u; A- D" k else
- J1 Q% H( S$ B9 l# O9 V, k& t <statement sequence3>;
/ l- |6 E5 Q0 _1 L0 Jend;
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7 L5 X- U' c1 E9 W. g3 J2循环语句
8 E/ d% u9 X9 w z6 m8 B8 |6 m (1) from <statement sequence1>$ [2 ]: {) l3 p6 h+ }
until <condition> loop
6 x; X# z8 ]4 I) P5 M <statement sequence2>;
8 a+ z% B$ t1 B: S$ T4 p end;
" {/ y# b u& F5 ] F* C (2) while <condition> loop
C! o' E4 t/ A3 {. @) |- U. X <statement sequence1>;
0 P- u# ?9 s# @: m: B7 _/ v end;
* l) [* Z; i! u8 w @ (3) repeat
$ p; X: }/ {$ H. C <statement sequence1>;' l* G. U2 U( \3 u. m5 Z# N
until <condition>;
, F. W5 o* q# {4 l A$ Q (4) for <condition> to <condition> loop
% {5 B% ^, y6 |: H5 a* |8 F8 d2 k, J$ k <statement sequence1>;
. Z3 m& }( t- p, [% }9 l next;0 P* h' P- n. B% ~; N0 P
3中断语句
/ u/ W. H% V, S waituntil <condition> prio <integer expression>;
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以上为常用的函数！
5 V' p4 A! t" G! c0 I还有很多，如有需要我把资料发到你邮箱里 8 N" p/ k6 c) O- {
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