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发表于 2012-11-13 08:48:12
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1判断语句+ } t. z* m( |' D2 [& ~
if <condition> then) \5 C! g1 N3 u: Q' P: M' ?
<statement sequence1>;: h8 c7 o$ T9 ^- j, ~. ~
elseif <condition> then
+ W4 [0 f. S- A" p <statement sequence2>;
- \: D( a: \4 J" @ else
( E" e" o3 b G <statement sequence3>;
: O$ K. ] C( i) D end;1 _& X4 O; t2 y7 v3 M: t1 s: E3 ^
如果分支比较多，用：7 J& t( i8 t3 l3 ^
inspect <expression>
8 }2 m' b5 T' I: D( z when <constant_list> then
- D% t$ S8 V/ t: p/ D- A: | <statement sequence1>;# w E+ }; ~- E. m- Q1 |. y- |9 l
when <constant_list> then
7 d; `2 b" H" y* } <statement sequence2>;4 _$ w0 h7 H" ?' {
...
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<statement sequence3>;6 r |4 y) M7 C- x9 [5 q
end;
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* @9 Q0 A8 _0 Y) d/ S, x3 s5 q9 m2循环语句4 Q* b j0 `4 G) r7 d" V
(1) from <statement sequence1>
- c. L4 \8 s( J' E until <condition> loop
: ] N* F( q8 I4 B3 I7 { <statement sequence2>;
* m6 ^' T/ e( {: R. d+ @ end;! s. E- R0 u1 h( m% K
(2) while <condition> loop W2 @: p" ]' ]$ X
<statement sequence1>;) S. n& i" L! u* t, x
end;
. V; N4 v7 y% M (3) repeat
+ b, l5 u, ]$ [! G1 [/ ^0 d x <statement sequence1>;5 b; @2 @( {8 r" o: b
until <condition>;
0 N+ t. f& @$ e1 o+ |7 }* d (4) for <condition> to <condition> loop
" M/ ?% P1 d+ e$ S4 D) H0 m <statement sequence1>;
( W/ Z- J/ }! V+ x! l& F next;
4 \+ l I$ l$ v4 [3中断语句( D3 v1 L2 C; D1 t; C
waituntil <condition> prio <integer expression>;8 S" R$ I- f! t, _
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以上为常用的函数！
/ H5 j5 q3 }, x' e+ i还有很多，如有需要我把资料发到你邮箱里
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