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发表于 2012-11-13 08:48:12
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1判断语句
/ S% a d, ~) A+ x& }0 X! l! x9 s+ s o if <condition> then' s5 E5 E/ F! [( e" A* W2 P$ H9 b0 C
<statement sequence1>;
3 a- u& p! t+ ~) _+ D% `& J9 I elseif <condition> then
k8 N# M8 c3 J1 E0 N: p <statement sequence2>;; ~# V! M( Y7 C# f; ^4 H
else
1 h3 M+ s2 o' ~7 d2 ]" g <statement sequence3>;
1 D5 ]0 O/ o& r K; x end;! U2 ]- F0 O5 c% t1 c h# ?) O2 p
如果分支比较多，用：
2 e* B6 v& L: |4 P6 x inspect <expression>8 f. Y6 A2 w, Z D+ e/ D4 a
when <constant_list> then
0 K6 o5 F" ^4 t) j4 } <statement sequence1>;
$ d F, Z' x2 [1 R* X when <constant_list> then
9 @; Y: {& j1 w8 s' a1 h, e: k$ m <statement sequence2>;
3 a" [: f! Y2 Q/ G$ d ...
! v& O0 K; p* g8 k else
$ r; c" S4 v9 a- ?, a <statement sequence3>;
+ U4 c% H9 Q4 [* }* `end;
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2循环语句9 q% G. p% a! A3 R5 P- Q: r
(1) from <statement sequence1>
, I' z, P9 |- w5 L- u3 c; c until <condition> loop, u. H" r! m- s5 |. Q; x; R
<statement sequence2>;) m( ?! ~' @% M" x
end;4 Y, Q# x6 c9 P2 @" K
(2) while <condition> loop2 c, `) X1 o$ X; P$ l
<statement sequence1>;3 B& w+ N! h. ]( `0 g4 u
end;
6 C% g3 L' K8 o3 Z/ u( M7 s (3) repeat
7 `" J: b$ z1 m' ] <statement sequence1>;+ R% U" r( m( l: f% s
until <condition>;. N/ y6 l, }3 b# w
(4) for <condition> to <condition> loop6 [+ H" @; E8 F
<statement sequence1>;
! p+ _6 B- Z# N, X next;
. ^ N+ g Y( \/ R4 H3中断语句
, w: S# g7 r- z1 i) j Z$ [ waituntil <condition> prio <integer expression>;; \- H+ p2 P7 B% J, j- Q
9 i+ Y0 h1 F ?& a5 \- D. d+ R. u. Z2 t, ]
, S+ g9 E9 J3 u9 ~1 B以上为常用的函数！
; Q0 f& G3 a& U7 M还有很多，如有需要我把资料发到你邮箱里 3 @, w; A( u' i; j2 x
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