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发表于 2012-11-13 08:48:12
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1判断语句" w" F9 t3 H" Q0 D$ _) Y
if <condition> then3 e8 h. F/ N+ L @+ }9 E8 e1 b
<statement sequence1>;; U" s6 c* J/ M t* _9 H
elseif <condition> then
- M g Q: y( E; }; h0 y <statement sequence2>;
: }8 ^$ N( l5 a$ @, T' m+ L6 w else 2 \2 @* `3 K' {+ K n& I
<statement sequence3>;0 q4 f- R+ R+ s7 C0 b/ x
end;
5 Y8 N# a% Z, ?7 w$ K u3 e如果分支比较多，用：
7 V* z9 F( m+ E ^9 E inspect <expression>
8 v' H6 u% |) Y5 q$ D8 G% Z when <constant_list> then
1 m4 b- {. z5 g <statement sequence1>;5 m3 f7 @: |9 L- @
when <constant_list> then: A* l% T( f8 s* b, a- F7 W( _
<statement sequence2>;
& y9 i7 m" N" U% e ...
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<statement sequence3>;
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2循环语句! ^ h5 G$ Q* P2 n* u7 e
(1) from <statement sequence1>
! S3 k8 K+ F! D8 } until <condition> loop
V% }) B* g! v9 m5 ?; i6 E <statement sequence2>;
- U* t7 D1 Y9 v1 R* e5 |1 i+ b; D end;; [$ s2 u \/ g- }% ]
(2) while <condition> loop
+ |' Z6 R! Y: V, r" o# ` m <statement sequence1>;7 u; r3 K" ~# S6 O; @0 e
end;
7 S3 _) `) R: e (3) repeat
" F `! G: q1 C( K9 `& B/ r+ n; k <statement sequence1>;- F7 |) A9 u7 T+ t
until <condition>;2 o& S, @% Q+ Y& i8 K
(4) for <condition> to <condition> loop1 f" @: R3 i+ [' U& d
<statement sequence1>;
/ Y6 L7 p4 e, r' |/ L t. [8 T next;9 F6 r8 N x& I3 P& m- X% M! o
3中断语句: w# M. L' ~" i8 o2 I/ l
waituntil <condition> prio <integer expression>;& r+ a k6 V2 S& E7 o" q6 ~& o
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以上为常用的函数！
! e0 w2 r3 k6 Q, G8 U! b: o* N: G还有很多，如有需要我把资料发到你邮箱里
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