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发表于 2012-11-13 08:48:12
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1判断语句( b: d1 P" U& }+ O/ O8 U; i
if <condition> then6 z# ~$ r, a f% V/ ]
<statement sequence1>;
2 D- U6 g4 A7 K5 G+ o7 t elseif <condition> then2 G( c/ i& h" W C0 U" X& ~+ A
<statement sequence2>;
% a! s6 l8 e F/ g) D else 7 @+ Z$ R3 x9 l s% L! n3 r5 L
<statement sequence3>;* r: J" n, a( W" }7 b8 F
end;, ^5 O1 m( o# k6 i
如果分支比较多，用：
$ Q1 y, P0 F* A/ N$ O: H" r inspect <expression>
9 \2 m6 C+ A' T- v2 g( k when <constant_list> then
& d0 K9 G; ?! a5 _# x- t5 } <statement sequence1>;
* n: X# h0 v" i2 Z4 J8 j/ ~ when <constant_list> then5 p; y6 n- f. U0 i
<statement sequence2>;' |9 F5 L4 v; }3 L
...% u) a8 }) L( @1 V
else6 m& q1 W2 G, v) L9 ?# ~4 L+ k0 V& T
<statement sequence3>;2 O0 v/ q7 E# X% Q* o; U9 }1 f
end;
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2循环语句2 R6 |% C! A; U: k9 e$ n- {
(1) from <statement sequence1>7 f5 d0 F1 o6 x
until <condition> loop" c1 Q6 h" a; X8 T- _' q) K- r+ Z9 n
<statement sequence2>;; ~3 e9 g: A. x. y
end;
_( \& O& X1 D3 b' ` (2) while <condition> loop6 U* Z; y4 e% i1 C, k8 g: ?2 e
<statement sequence1>;
`- {% U" u0 \" M3 P+ u6 } end;4 A3 w8 F. e$ k5 O: L
(3) repeat O# t# o4 q6 g. d2 j
<statement sequence1>;
8 F/ V1 c5 M3 O' b9 v: ] until <condition>;) l1 J6 d5 M0 V7 i: j
(4) for <condition> to <condition> loop
- ~2 L G0 J8 g- R! l& _ <statement sequence1>;3 L' o& B" L- P
next; e P! y4 o7 x/ N9 ~
3中断语句
$ F& \! v/ K) e2 ~5 U) v9 I waituntil <condition> prio <integer expression>;, X. M- n$ P" b. r
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以上为常用的函数！! m0 j1 f7 n' O: n- R# u0 Y0 [
还有很多，如有需要我把资料发到你邮箱里
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