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发表于 2012-11-13 08:48:12
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1判断语句
! x. J/ G; z" r8 P% g4 A! j: j if <condition> then+ Y, ?+ b* h. ~& f8 w
<statement sequence1>;8 d$ W9 F1 [6 z) Y' t9 q8 I
elseif <condition> then* o6 b: G. q* w) U
<statement sequence2>;, w; t4 w* I$ Y4 @
else : v$ ^. j# A! d2 {8 Y
<statement sequence3>;
$ ~" g% g. g& C1 P+ I, e# R) w end;9 l' E: O r2 }9 ^9 W. h
如果分支比较多，用：
# T+ ~$ C; x4 o- \5 O( F inspect <expression>
9 w- k" J; p+ }8 R, h5 }4 o when <constant_list> then0 T/ @$ P& E1 ^ P4 W" x. N$ G
<statement sequence1>;1 l. C& R# F4 _
when <constant_list> then! i6 M& T S7 Y8 C
<statement sequence2>;- @6 s6 K G* Q
...
! X( Z* Z2 F/ v8 e+ D) m else
, V [/ a" u; e5 b' J <statement sequence3>;* k2 \+ A! y; H
end;7 a$ q) i3 `6 C: i' R6 i
0 A/ Q1 {) z! C; k& m2循环语句5 M2 f% w7 a, e" o" p5 {7 O
(1) from <statement sequence1>
3 N) B4 c) Z3 n9 c6 Y3 ? until <condition> loop
" D/ |( O4 r3 d: G <statement sequence2>;
) J8 ~3 g! a. ~ end;# G8 v9 \/ Q+ Q* @( l! a
(2) while <condition> loop
B2 R( q: J, F, K. L1 ^( \* | <statement sequence1>;
. W2 y( G7 f6 [# C' O1 s$ p* I( T end;3 y/ Y P& B0 Q( `2 H W
(3) repeat
' V) Q; Q: o, W1 Y <statement sequence1>;9 G# s! U8 d- T& Y" h" J
until <condition>;5 @/ u. \' I& y, b2 l% ?
(4) for <condition> to <condition> loop
9 I& A' D I& { <statement sequence1>;! a e2 g7 x) f6 g4 e
next;
3 S: z' Y6 _# d; v3中断语句; T& G E+ @% D! _: k) N
waituntil <condition> prio <integer expression>;9 {! }* k, ^ i Y
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/ h) }2 H2 R% Z3 E0 a* t; P以上为常用的函数！7 K u! g% s X; f0 n0 \0 M
还有很多，如有需要我把资料发到你邮箱里 - X/ R$ a: C3 d+ }3 ^
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