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发表于 2012-11-13 08:48:12
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1判断语句9 p; s6 B) A* M! B
if <condition> then
6 s! Z/ m& F( D. J: O <statement sequence1>;
" Z' _6 t2 i. Z- l& }5 f elseif <condition> then
7 J) V% d# D) _7 c$ { <statement sequence2>;& n- s, \6 [2 \" u
else
3 V- {! W8 q9 S( P& ~9 g- ~/ U <statement sequence3>;4 e) |( e5 K- m- J8 _' d
end;
$ D8 D- K. K1 k& o$ k/ i, M+ x如果分支比较多，用：% [ y. u% O1 x% n7 y/ g% ?
inspect <expression>
* y( W4 N" m7 B6 P% @ when <constant_list> then( C; C* p: O2 T; \8 J {
<statement sequence1>;' `; `% o! x3 c' H& d( T
when <constant_list> then3 a0 M5 e7 o8 k* y+ l/ G
<statement sequence2>;
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else
: ^+ q" ?' O4 Z <statement sequence3>;8 p$ A1 C4 N) c, ^$ q" m7 d
end;. q% e, |; y! Q l9 }
: _, h" w( o) K' }2循环语句3 _* }& o8 m% z0 Y" `8 U
(1) from <statement sequence1>+ V; O2 e( K# u6 N; S
until <condition> loop
* P$ C, F$ D5 R1 w# F( U <statement sequence2>;
, w9 |1 q+ i p) `4 I3 h, v end;" h2 h- o! Y% b) f1 ^9 f' H- ~5 d
(2) while <condition> loop
7 H6 r% Y: R* X6 t; q* o7 U <statement sequence1>;
/ n( A5 \+ z% p4 t9 g1 L end;+ `9 H: W! P# {" B/ Y3 {" h1 `
(3) repeat * a/ Z2 f' S3 E2 Q
<statement sequence1>;
4 @6 C; s9 v4 F( C" n2 a( G4 N until <condition>;5 O' B; T! n C0 K! W& S
(4) for <condition> to <condition> loop; u' \- S# O# Z( ]/ \
<statement sequence1>;6 c% m4 F4 Y0 _8 Q! B! {
next;8 h t: A( {3 L ]# z
3中断语句7 N& P C& p) Q; O$ O6 Z
waituntil <condition> prio <integer expression>;
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% F9 D; ?& r3 |% w) O0 l以上为常用的函数！( V" u' G7 u( P
还有很多，如有需要我把资料发到你邮箱里 " @ E( o1 W1 R P, q
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