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发表于 2012-11-13 08:48:12
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1判断语句
' ?5 f+ f& O1 z if <condition> then8 m) c+ @2 F: i+ W* |* h) u ^
<statement sequence1>;/ n3 Q" R! b1 W: M O
elseif <condition> then
9 |6 B! s1 l& s) O <statement sequence2>;
J( @% p6 C9 }* | else
2 G8 B8 D. f) g! X5 R- | <statement sequence3>;" h& A/ g5 k. Y+ r# n0 `
end;9 J! r7 \" _, R8 s- s$ y$ o/ |
如果分支比较多，用：
+ c1 _6 V# |% L2 T inspect <expression>: O3 L. G, I! M; X G8 S
when <constant_list> then
- {: g4 i2 |; z" Z% c <statement sequence1>;
1 @0 a; W0 N d. A& \% L$ I when <constant_list> then Z0 u* z! n% P
<statement sequence2>;
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else9 E" k) Q9 E" x# B; o# o* N
<statement sequence3>;
. h; ]4 { j$ q% k9 wend;! D8 }' U) t% H( t; f
1 n" y9 G/ @: L) Q% ?' n( [* L2循环语句
* X8 Q' Z( Z; O3 b (1) from <statement sequence1>
. T% c4 X) t) f/ c1 o until <condition> loop+ J7 q: Y8 e S- `
<statement sequence2>;- r6 Y5 N. \. b
end;
7 A% P( w+ D! x( Y$ k (2) while <condition> loop/ y1 E5 ~6 o1 \3 T' f7 }
<statement sequence1>;
7 W g) m+ E% _ I end;8 o w! p5 M# q+ g1 j
(3) repeat
9 O) d6 q Z! L0 b/ }# ]6 F4 l5 N <statement sequence1>;0 a3 t! ^" V k9 _; u. ?
until <condition>;
' {1 P1 g0 P' b; O9 z (4) for <condition> to <condition> loop
6 V( F" e" A3 z& ]! ]2 {* H" e( l5 N <statement sequence1>;
% w. }% a5 N( }$ S2 u) c next;
j, A4 h/ C1 h( R3中断语句/ I8 F1 ^ L0 v; V/ n; k% g( v
waituntil <condition> prio <integer expression>;% I1 e# B/ K2 \
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+ S: u1 I3 g( D% L B8 @以上为常用的函数！" b! R8 n* }+ U) f0 \
还有很多，如有需要我把资料发到你邮箱里
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