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发表于 2012-11-13 08:48:12
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1判断语句
. e! O0 O I) p J8 y if <condition> then
) m( v, Y' k2 t3 c+ | <statement sequence1>;8 I( Q- D; H+ M0 D
elseif <condition> then: f9 |3 v7 P& A# T% n m, s
<statement sequence2>;8 B8 P+ L& D$ {% l8 H! P/ [6 p
else ) U# M! i* d A. p
<statement sequence3>;
$ ~ i" a5 @! e9 c; Q5 A% V end;
C# g2 {4 A3 B( `+ L/ g如果分支比较多，用：' f) ~- G6 y! {, D
inspect <expression>
7 T7 \$ K0 c/ R4 e; d q when <constant_list> then% d6 |0 W" z) t: X; f% l
<statement sequence1>;- c+ L( N* I$ B: J$ z, O, ?. x3 {& ~
when <constant_list> then
, h" @' i9 M7 Q: p1 e! z/ V <statement sequence2>;
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else* J. f2 P4 }% b3 a
<statement sequence3>;! e, c% ]5 r1 h7 h7 d9 A0 ^* j
end;0 v6 C; e% I5 {* t1 F7 C4 e1 H1 V6 }
' v9 u' R+ z) ]6 X2循环语句) c4 A* A* K6 ^4 f4 j: _
(1) from <statement sequence1>8 h+ `8 P" N: h" w
until <condition> loop
- i* [ c7 \$ u6 n <statement sequence2>;
$ y: c2 z& |$ K end;7 M$ C; {2 t- h' l0 q: g+ ?4 E
(2) while <condition> loop/ k) H {* E1 p. N* T; L/ C7 a% u
<statement sequence1>;
7 G" e8 v3 U3 v7 \$ N, E end;
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<statement sequence1>;
1 O% c* r6 Q: L4 ?+ V4 K8 R until <condition>;
; j' t0 K' P% T1 Q (4) for <condition> to <condition> loop* m) _# E/ k( f. i' _. e p1 {7 G
<statement sequence1>;
) r B5 q4 O9 ]) w next;
, X/ I/ w6 z7 Y1 l& F3中断语句
% s5 _( ^4 B$ N% w. Q* Y: T waituntil <condition> prio <integer expression>;: F6 Y( r+ J) l1 _) j3 s
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+ L8 y' b. K7 T# v5 D5 r( l/ h9 C以上为常用的函数！2 D1 l3 V9 j' ^- }, P" x7 @8 y
还有很多，如有需要我把资料发到你邮箱里 & K$ P) @# K% m; }& Q. M; K
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