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发表于 2012-11-13 08:48:12
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1判断语句
5 Z% |! Y4 E/ N if <condition> then2 h5 B" H* D( e0 \
<statement sequence1>;/ Z2 p3 Z0 N; R9 i# S2 i
elseif <condition> then) H/ E* r1 @, e
<statement sequence2>;
9 i8 {6 H' a9 ?7 h& C else
) C: K$ u4 y# W4 u; b/ G3 M X, k <statement sequence3>;* p# B; j' Y: B* j( c
end;5 o; x. g9 ~3 l% G
如果分支比较多，用：' j" U& s0 r% f' x- l: r
inspect <expression>( i( J1 f# D5 r3 o- k! L
when <constant_list> then4 [; @3 C6 V Y+ Q0 \
<statement sequence1>;& w1 Y8 x2 ~. b- k! W* L0 q9 a
when <constant_list> then
. j5 b! v) }( a. m4 n <statement sequence2>;4 N/ s1 S! H& r* M, }
...
8 a& Z0 V, C- Z; S else- e8 j& i! z- u0 E: Y
<statement sequence3>; h- K. w2 d7 k. Z6 H
end;
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- `- l: U; T* ^" y2循环语句
5 @6 ^4 m4 a a4 n (1) from <statement sequence1>
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/ g K- Q! {6 R. q <statement sequence2>;# p- u2 W4 c1 G- I" k4 _. R& z
end;1 f/ p7 f" r) R) p; u6 c) F
(2) while <condition> loop) c+ o7 M; e5 s+ h
<statement sequence1>;" B* i0 Y- l- f. ]! }9 W6 `1 C
end;
' H6 s# j/ R9 E7 y (3) repeat : r p& o$ `$ F0 t" s) k a
<statement sequence1>;
d9 h% z6 C0 n# i* { until <condition>;& ?+ o0 o9 q( a& {4 Z
(4) for <condition> to <condition> loop" F& G/ h, H' y, M! N, g
<statement sequence1>;
9 p: s4 i, U" i& C next;
, D" k- [$ `, v- I6 \9 F3中断语句9 n R/ z( Q, a2 z; A! `5 c, }4 Z
waituntil <condition> prio <integer expression>;; x; R( a- i. f0 R
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以上为常用的函数！* \ I7 f3 y+ p9 }; }( ^
还有很多，如有需要我把资料发到你邮箱里 2 _$ f, |: j* ~7 c+ X
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