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发表于 2012-11-13 08:48:12
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1判断语句6 }) p. F% ^. e
if <condition> then
" Z9 C; ~1 [6 ~' \( A <statement sequence1>;
y; B0 C' b) Z- Z elseif <condition> then
- h! ^+ \& Y9 | <statement sequence2>;
1 t% Q3 z. M/ n5 p# n$ w! J else
7 s v; z: f" Z <statement sequence3>;
^" v) u. Z- p' D U) c7 q i end;
* T% Y8 j% V& a0 j- L: k7 f0 U如果分支比较多，用：
0 ~/ j: S5 P- W3 v' g0 ~ inspect <expression>3 X4 I/ t0 z' I$ J, r8 m
when <constant_list> then
) F3 }, R3 \! ^. ~ <statement sequence1>;
8 U& [5 L# F3 U& W* u6 ]# k when <constant_list> then
8 U9 v% ~: Z# D4 P0 e- Q <statement sequence2>;
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else
3 u$ s; G' F) q8 Y# ~1 D R <statement sequence3>;
: l# b" H; A' }3 N/ `$ mend;2 G, y+ N) I3 S. W
7 p5 k: ]* H# {/ X/ }2循环语句
5 T v% J- J1 L* ^ (1) from <statement sequence1>
$ J2 ]7 q" I$ ~3 \' C until <condition> loop& t# ]& x* \' c' W
<statement sequence2>;
5 D; U% X6 d& v, x end;
) \) O6 D1 k7 U (2) while <condition> loop2 S/ x. r0 R N }/ q( h
<statement sequence1>;" b% s8 C4 c$ |: b6 v
end;+ Z" \7 p, }& _. {# z: \6 P, C6 a
(3) repeat
4 ` d @9 {7 f9 G <statement sequence1>;
/ b7 N2 b& K2 _ until <condition>;6 T, A) o% @3 H, g' F
(4) for <condition> to <condition> loop, _9 t6 F8 E/ o9 I. A$ ^
<statement sequence1>;
7 g* [5 U6 r1 c5 I6 g next; L# S5 V0 U' F2 y# M
3中断语句/ S( D: r1 X/ k' @, J. v
waituntil <condition> prio <integer expression>;3 s% c" ]% k; p# `/ ~2 }$ r8 i
, X9 Y: \: I* o- B& d5 k6 k: ?
8 L& B+ O e5 y$ n2 M以上为常用的函数！5 H" l/ c. k& j0 c7 H
还有很多，如有需要我把资料发到你邮箱里 , x M; D8 {* E) {6 o$ ~3 y. U3 \
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