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发表于 2012-11-13 08:48:12
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1判断语句% m! k' F: ~/ a0 w
if <condition> then
0 |0 I9 q0 w1 y2 Q <statement sequence1>;; ]+ a7 `) X: M% T
elseif <condition> then
9 b, |5 c% c( L$ K <statement sequence2>;
+ {- K( f q" x4 s else
7 e4 x" K% I: i7 ^: o) | <statement sequence3>;
4 h% \& Y0 `' l' r% o! Y( r. t end;
2 W5 Y7 t+ Y& _# C# F2 z0 ^9 ]如果分支比较多，用：
& K$ t9 }' X+ i4 } inspect <expression>
0 Q' Y, H ?7 ?5 E* r0 s3 x when <constant_list> then3 i* c2 }' \/ h1 |5 H
<statement sequence1>;
/ p- ^; @0 c. m# M when <constant_list> then
- h: P: ^( n* q4 x <statement sequence2>;3 u6 j$ i7 m( J9 U8 _6 d% ?
...
- I/ z% M0 Y+ n else
' j' ]# ^+ P7 j% Y" a <statement sequence3>;
2 b; C4 d- [) p, ?end;* v2 G* y6 G5 f% s9 [
- K0 k9 l( ]/ g* ?
2循环语句% A/ Z5 h4 _0 @ {. y0 y( n
(1) from <statement sequence1>
( S' {* J2 n! E/ [$ e- c) S until <condition> loop% o; @3 b% P) S" A' t5 M$ N3 Y
<statement sequence2>;
6 V% l$ t1 A% z: ]) U3 k end;
# t6 |8 z: `! Y% y1 ^- i2 p (2) while <condition> loop
) v) [; l! W. _3 l l6 w( Q <statement sequence1>;
, {$ v6 z% }9 I* I6 t* q7 y end;; j" v. i7 G" X) o
(3) repeat
; W7 x0 A1 i) m) n <statement sequence1>;) F$ S1 R; R _( p2 h
until <condition>;
$ V- ` `) z" l (4) for <condition> to <condition> loop
4 Q% V8 B* _' X4 F S0 R/ _ <statement sequence1>;
3 L. q; [% U' `$ x; E$ [' B" T3 y next;" X0 i9 v) F( ~6 m) t- X
3中断语句- E% x6 R" e: z4 j+ i6 t, D
waituntil <condition> prio <integer expression>;+ `5 x$ F9 e- X5 X0 S
, `% T0 y0 a7 a
: E5 A3 f( t' U以上为常用的函数！3 T9 t' C, F. u, a
还有很多，如有需要我把资料发到你邮箱里
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