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发表于 2012-11-13 08:48:12
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1判断语句
# ?8 H9 E# L- F- K3 n E- t+ d if <condition> then4 @ @/ h! p8 ^
<statement sequence1>;/ z @( G8 Y6 t5 P
elseif <condition> then
4 q! M2 K" d8 ?! C( I9 n <statement sequence2>;( c8 [9 m" E4 R$ n7 w9 ^* w; k/ Q
else
2 f. ?! e7 j* A$ r8 a4 b <statement sequence3>;+ R) j5 Q* N% Q4 G6 E0 K+ A
end;
' O, M+ T h# w2 |) y如果分支比较多，用：
8 F& G( O% x# w$ O! ^1 Z* R inspect <expression>
0 O" y1 B% \( c0 N when <constant_list> then* K0 _. X: b; I7 G' k$ K
<statement sequence1>;) p- h; i0 s7 v% X$ u/ p
when <constant_list> then. Y' W" Q/ B" N: F Z
<statement sequence2>;5 t9 g3 Q; A. n0 s2 T
...
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<statement sequence3>;7 T9 k1 m3 Z+ Q* K4 I: m
end;) e( f5 h% p; P L; z+ X
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2循环语句1 H( M( J1 }3 O
(1) from <statement sequence1>! f) d `) V7 @, |4 `
until <condition> loop
4 A3 |8 u! ~- A <statement sequence2>;/ C% `+ w7 ^0 J( |" R( e8 K4 l
end;- ~+ N. d2 F4 ~5 C8 n- L
(2) while <condition> loop3 Y2 V' [5 |7 m
<statement sequence1>;
% \3 N5 [# t6 E: _ end;
9 X9 q, k' \' J7 m2 W (3) repeat / @+ p0 p3 I4 m
<statement sequence1>;6 C! d1 @7 ~9 c4 V* s5 J
until <condition>;0 n$ N1 A9 F, B: G7 G) }4 C
(4) for <condition> to <condition> loop1 h$ N" K8 y* ?0 S; w; v5 y
<statement sequence1>;& E. W2 w# _1 m
next;9 E; ?. i0 n/ D' I) Q
3中断语句$ p9 N5 o7 b9 L* ]0 E& l3 u
waituntil <condition> prio <integer expression>;; g- T! R- q8 f- ]$ h3 _
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以上为常用的函数！% [: e! P) D2 G0 ?# G& D
还有很多，如有需要我把资料发到你邮箱里 5 d6 `7 n- ~9 ]# l0 c3 g/ m7 M
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