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发表于 2012-11-13 08:48:12
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1判断语句0 i1 U; H. B1 x' }% W4 H
if <condition> then1 ]( M* {( Y) p1 K: K0 I4 `
<statement sequence1>;
' M: U2 x$ I+ R$ L1 W( q& V* U elseif <condition> then
, ` }3 r5 L1 M, T' b! O5 d2 p9 c <statement sequence2>;1 G7 T, h5 K) _: x! Z- Z2 e
else z$ h& u2 D4 |9 e% \( E
<statement sequence3>;0 M! z. F l% k8 t
end;1 i. m4 ]; l r: q' o/ m5 r
如果分支比较多，用：
# ` |3 Y$ A( v8 l: M& V" q$ l inspect <expression>' G i" ^0 g& @* e. N- ]
when <constant_list> then b. t9 R I9 U/ z- f! q
<statement sequence1>;
( g& i! z" q& Z0 `5 H8 \ O/ l when <constant_list> then
9 I( ]! x! A3 V8 l/ z <statement sequence2>;- A: ]& i F. L0 M' C+ W; i, q
...& u2 t4 N2 B. }5 d4 n C$ _
else
$ i( q) P+ k" o) V <statement sequence3>;: b, p5 {9 b9 t9 l+ q7 w
end;9 E. k" ?/ ]! b$ b. [
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2循环语句8 O" F9 a& b* a
(1) from <statement sequence1>
4 e0 o$ h5 \# G, A2 W: T1 X; k until <condition> loop4 I: [8 ~ G+ b
<statement sequence2>;
( o R H" J$ u) F& k8 w8 _7 ^ end;
2 `' i# b: _8 ] h (2) while <condition> loop
/ r# [: V: n4 s5 I. a- x <statement sequence1>;! |5 s8 I2 h3 I& }' _
end;
% K3 r( I% v6 U( N9 y2 c (3) repeat 5 |7 O; j0 S0 j9 E( _
<statement sequence1>;
4 ~6 _+ r. Z+ ^! v5 X5 |! {- N, z until <condition>;
# |9 } V1 e8 U5 ?8 @ (4) for <condition> to <condition> loop
9 r1 Y0 h) ~4 o! {# P: L# V3 g* m# j' { <statement sequence1>;
) r# A# | |# ^3 k6 V$ M next;
1 X6 P7 @7 f! w6 b9 w( v3中断语句3 B( y# ]5 `- T
waituntil <condition> prio <integer expression>;& ` Y* @: r7 Z, B! v4 k( L7 J
) T" p; d, N7 ~! q
+ q( ^7 u7 p) f5 |! p$ l! [2 I以上为常用的函数！+ Z) }7 w& k7 c, z2 | i V
还有很多，如有需要我把资料发到你邮箱里
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