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发表于 2012-11-13 08:48:12
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1判断语句; j9 B- [8 B4 X3 e4 q
if <condition> then( Z+ U: |; j2 t& w
<statement sequence1>;, ~! J! {& w! K' S4 I! [) S
elseif <condition> then
+ j" a T4 C4 U& x: k* f$ U) ]2 X6 K1 d. { <statement sequence2>;
) }/ K: h8 r- r% {3 p0 G4 J4 d9 B9 z, R else
% Z2 c/ i6 K" x7 |2 z( [2 l- A8 m8 S <statement sequence3>;
8 G" t4 }7 f3 @9 O- j end;
& A5 M8 j5 {$ {0 Z如果分支比较多，用： D. n5 Y& k: K0 n- _* U+ x& K
inspect <expression>
z' {. h/ Y7 \2 W) m when <constant_list> then
2 e3 J: C* p _4 F% b <statement sequence1>;
0 D% V1 O/ x- V1 ]. V& Z& b3 [ when <constant_list> then
7 ^5 U# O1 S. o, g0 c4 P5 Z <statement sequence2>;& f( }! G+ z/ J0 G$ m6 K3 l
...
$ K1 a w4 i; V8 Z else4 l! e* o( a: h/ w
<statement sequence3>;( a9 H) X# L4 B) c% T
end;0 s% Y! S& T2 j; K) v
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2循环语句
: t! h; Z P3 u* h$ S6 U! A (1) from <statement sequence1>
A( W: C) O5 T until <condition> loop
. l8 L2 ^% T, Y+ W. `8 e7 [* m; [& I6 n <statement sequence2>; ~; ~9 I9 u1 d% O+ \; B+ S' m
end;
, A3 }5 T6 [' n' i( s (2) while <condition> loop! d2 O( G% ^% ~& E0 d; c
<statement sequence1>;# d, i$ R' R* E8 s; H5 G
end;: }# S* |8 A7 a, c9 ?+ Y& @
(3) repeat 0 `: V( k( [% B- g/ K' `
<statement sequence1>;
) s& I0 e6 X3 h+ r* G# x until <condition>;
/ _: `( ?5 M8 c3 o) _: K- w, a6 F! s (4) for <condition> to <condition> loop9 H3 n0 Y/ t' ~9 K% V
<statement sequence1>;/ w8 W6 X9 o+ d* M3 ]7 ^8 Q
next;
6 b: Y0 ?* v9 q P- R" @3中断语句, \( S! g2 }* A6 T8 D
waituntil <condition> prio <integer expression>;$ q. D( h: N) ?6 s: w4 W h9 `0 f
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8 P z( B- M) Y( i% I4 b以上为常用的函数！
5 o( x: D' o! Z" l1 g, |3 M还有很多，如有需要我把资料发到你邮箱里
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