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发表于 2012-11-13 08:48:12
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1判断语句
3 r1 V- o! w9 q) O8 ? if <condition> then
; v. @8 M; k% { M& j @9 B2 y5 J | <statement sequence1>;; W- v- q4 M! t7 E* S8 T- s
elseif <condition> then
: U) z1 r) r8 p: s) z( x4 Y <statement sequence2>;
8 V5 S5 U, m& g% g else
3 n3 _3 J7 u3 q! X+ {2 I <statement sequence3>;
& w$ }7 T# [' _" Q& C' @% c. n end;
- i- P3 E( @1 `) k如果分支比较多，用：" ^$ U7 B0 }0 L4 Y" }; }9 Q7 f/ |
inspect <expression>) h( q" @$ v q
when <constant_list> then* X6 G" M' ]/ b C" ~
<statement sequence1>;& q# q: U; P8 z
when <constant_list> then" I$ Q6 K$ E0 P/ T I
<statement sequence2>;
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else1 S0 N5 _; f4 g( R. _
<statement sequence3>;
: _) Z" U3 J& I, k3 Q9 J% D9 G+ oend;9 K( L" S2 H! j/ M2 C- U
1 _5 U9 ^! }5 Y) M. ]2循环语句
) c1 H H9 Q3 ~0 t/ X- ]& \+ @. @ (1) from <statement sequence1># b5 } D8 u2 `6 r) w
until <condition> loop
: S3 M1 I8 V0 a9 @ <statement sequence2>;
) D3 c4 y7 t& A" |" k! d' p end;
5 Z1 N& B- S5 p (2) while <condition> loop
& J8 z! ^! o4 r3 C! \! } <statement sequence1>;
- `/ x2 l1 {, [2 b- d5 l6 ]. }0 T& B end;
) ?% |& p% r3 Y% J# e (3) repeat ; ~( V- T8 {! ^0 J- L: o
<statement sequence1>;" H4 @2 T0 X" C* f
until <condition>;
! Z h- [% e+ l, z (4) for <condition> to <condition> loop; \3 D: o8 j( G$ W
<statement sequence1>;# L! h. j8 [" p4 P# P# [
next;
% G- t9 d! c8 H1 e" R8 s3中断语句 R5 p: k; Z2 p
waituntil <condition> prio <integer expression>;7 ~# I6 l3 o; ~7 B
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以上为常用的函数！
( ]9 ?& s: [( V: ~' {3 d5 w8 l还有很多，如有需要我把资料发到你邮箱里
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