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发表于 2012-11-13 08:48:12
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1判断语句0 R0 l* j8 J* g5 M2 o. w
if <condition> then
8 X: B. o7 }( d) X <statement sequence1>;3 W# L0 J: Q: F2 l7 n
elseif <condition> then2 I; O0 I* p9 W! t! F6 u
<statement sequence2>;* \* A- I7 C7 d, Y0 j/ j
else
9 M8 D" e5 N2 }5 ?& t9 p+ s <statement sequence3>;9 a" e) B! i: a
end;
& x" J& L: X, a1 `0 j0 B" _& b- w" `1 [如果分支比较多，用：
! n" v K) l# f0 ~ inspect <expression>
) Z# U! r5 ^. S, L1 m! z. i when <constant_list> then, y. F. w* S# Y( ], m
<statement sequence1>;
4 h. P7 z5 j- j when <constant_list> then' }7 a+ Y$ }; i
<statement sequence2>;" E# {# \# P3 O% G$ N" [9 z$ [/ Y
...3 }; S4 f3 T+ A3 f
else
6 s' K: @( N* A& R; p8 Z3 d/ |$ N <statement sequence3>;
1 u- o! N# \& o: b% S: Fend;
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2循环语句- Z; q# k) J+ }+ m5 x6 }& C
(1) from <statement sequence1>
) A: o, o, P# k- e until <condition> loop
* z/ W- l& L' v3 a <statement sequence2>;
4 R5 {7 v9 g4 Q# g l; Y- r end;4 ]' j9 K: |7 T* Y; X1 a) z: c4 U
(2) while <condition> loop
& H3 I1 l0 V, }4 ^+ w' A <statement sequence1>;2 Y3 u7 B! x3 S* d
end;
) _+ v7 T5 n$ z* g$ Q$ L0 p- ]3 @6 o. k (3) repeat 3 Q! u- E, X$ r4 R- X
<statement sequence1>;
! \: `( ^* _8 t; E7 d until <condition>;1 E( @: e( w0 P8 ^5 t/ d4 p+ N
(4) for <condition> to <condition> loop* A ]3 o+ `; C# q# G
<statement sequence1>;- ?7 A) L& p% K: D& L1 N
next; T0 T8 m/ t1 Y% ~
3中断语句. z: O9 v+ A4 C/ C* g6 r' Y
waituntil <condition> prio <integer expression>;2 P& W0 U, m! h4 y. ~1 r
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以上为常用的函数！
2 ?5 [2 P4 F w9 I还有很多，如有需要我把资料发到你邮箱里
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