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发表于 2012-11-13 08:48:12
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1判断语句
( |8 |* `( w& c9 [/ i if <condition> then
1 N* n; L' C6 P. G0 F; K/ i$ r6 M <statement sequence1>;$ ~3 v% X, G$ z
elseif <condition> then" `3 P# C( S3 y2 {
<statement sequence2>;
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<statement sequence3>;
1 ]6 i1 Z" t# o8 h; u end;
0 ]9 S- G( R% i% w1 L* V如果分支比较多，用：9 ^ G* T) ]1 J, m1 z2 ~9 Y/ q
inspect <expression>
! r6 ]; t# q% n$ h& Z9 N when <constant_list> then X2 p0 R! b4 C8 `
<statement sequence1>;
' l% q, b0 I% ?4 f) ~, e when <constant_list> then4 z9 a" X5 i# |' y
<statement sequence2>;
3 R/ P) {3 Q+ T. I. q, a2 u2 _ ...
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<statement sequence3>;
4 p. Z% O( G5 Z3 i: J uend;
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' a; M( ]" r* [9 _2循环语句
% D3 h1 u& _ r% {7 r (1) from <statement sequence1>7 |7 ^) p/ z( ] W" J
until <condition> loop, Z8 U I9 u5 a, V0 N. i
<statement sequence2>;
?' s) ]& O2 q9 r) \, ~ end;) P7 n' Y1 K( F* Y& j7 n
(2) while <condition> loop6 [9 _( c1 j+ H- Q6 G9 z
<statement sequence1>;# T. T1 a8 i- y, s0 `& X
end;
, Z5 \8 Y. _' ?: }2 D5 G; R (3) repeat 5 `0 g4 a/ c* }9 a" f
<statement sequence1>;
5 B5 ?1 N1 x5 h8 ^1 s! r3 i until <condition>;
) b l9 N" r/ u% D/ N (4) for <condition> to <condition> loop
: Y. s: c+ l1 T+ g m# c( K <statement sequence1>;3 L/ O+ B9 @& D- F7 L, ^- H
next; l3 m( @5 n9 s- @
3中断语句 {" y7 \8 F' q1 M* n
waituntil <condition> prio <integer expression>;
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) d) X9 n1 D. K# o+ m9 J& X, k以上为常用的函数！' M7 q" e! {; p4 H, @
还有很多，如有需要我把资料发到你邮箱里 5 ^% C% h5 ?- O2 V8 X' U$ W
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