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发表于 2012-11-13 08:48:12
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1判断语句
Z5 g# N5 ^7 `( I' X4 _ if <condition> then
5 o$ J# F; T& V" a# ^ <statement sequence1>;
$ L7 u( }8 H) J9 U" n elseif <condition> then
0 h) U9 q; `% ]1 _5 m <statement sequence2>;1 t" U: a- ~& L2 D. V
else 9 g5 g4 z, E4 `7 j x
<statement sequence3>;
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如果分支比较多，用：) a" a) a8 g8 q% h. C" _
inspect <expression>
7 E/ M3 \9 g, y when <constant_list> then- f1 I1 V1 e! y- J; y6 P
<statement sequence1>;
# D8 [$ m4 g* ~* E8 B+ C when <constant_list> then7 ^0 t9 V, y3 h1 S$ Y, Q
<statement sequence2>;' R, o" d s: y
...
1 s' [5 S, N4 @" q else
" o1 K0 Q1 S/ h/ O1 u <statement sequence3>;
% y' Z, a8 q9 W2 cend;
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5 R# K5 P. h7 H. r9 G9 B9 v4 L2循环语句
& e- e2 f' ]+ L; Y (1) from <statement sequence1>5 L% G5 O+ N W. n" I9 i- P8 z
until <condition> loop
: r$ b9 g Y7 k' G- R0 z: b3 y- J+ K <statement sequence2>;" W: ~: d* \' ]& L0 B+ H+ e
end;
) h7 z* X# X$ {5 ?6 O* H! ? (2) while <condition> loop
( [7 g; H( Q$ r" | <statement sequence1>;
( [6 h2 u8 B' f2 ]6 B end;8 z+ E8 r1 f# C: A& n; t
(3) repeat
- I$ t2 J" N$ L+ i, \/ A <statement sequence1>;
1 u& o9 h# _9 w5 { until <condition>;
5 i2 h: R, G' E" K: ] (4) for <condition> to <condition> loop* D% z8 n1 Y2 ~3 _6 _) S9 O" _
<statement sequence1>;- D) Y$ r7 q n- _ [+ X6 z) b1 u
next;
8 B- w: K! ~/ t5 R$ n! l% o7 z O6 D3中断语句4 N: k/ m% F) n
waituntil <condition> prio <integer expression>;
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以上为常用的函数！
) x, F8 T1 `: z% g2 r D3 |还有很多，如有需要我把资料发到你邮箱里 6 Q: G9 a. }! x$ f% y1 f" X
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