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发表于 2012-11-13 08:48:12
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1判断语句# K& k0 b7 Y( O1 U
if <condition> then2 @' w* j) [% }& `; `5 A
<statement sequence1>;( K( } i" `1 O6 ]2 w. i
elseif <condition> then
- i/ i7 M* [! g0 ?+ r0 _4 u9 C <statement sequence2>;, a% _ ?4 b% U0 W/ K! \4 k
else
6 z2 u9 s8 I1 m b- P <statement sequence3>;
( |3 W i' `3 S* p3 `+ B9 `/ N end;
) c4 ]5 z7 b+ Y6 Y4 s9 o如果分支比较多，用：5 \+ z# m- Q9 _: A/ i
inspect <expression>
6 b. N) F0 _7 u" n; e- b& H when <constant_list> then3 g6 I. p3 S1 w
<statement sequence1>;
2 g1 E2 y2 ]) d' i1 I8 s( k when <constant_list> then6 q& a0 u) O) _# b) f
<statement sequence2>;/ r0 ~' \1 e+ G2 f9 D# {$ Y
...3 `. `5 `$ \# _3 w" I0 C* X4 K
else
4 x% t0 B4 G* j, V7 V/ H2 h <statement sequence3>;. v+ x8 n4 \/ ?: s
end;
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4 \# b& Q9 w! n. U' a _" H2循环语句" C/ o. k$ x; X: P3 y5 h
(1) from <statement sequence1>9 m3 z1 m1 f2 v8 V0 j
until <condition> loop, a$ `2 X8 `1 N7 Q# b; @
<statement sequence2>;& l, J I1 V: O( I3 Z! n9 p+ m
end;) m3 s3 v7 A4 w
(2) while <condition> loop2 T& m5 x0 `- f0 D8 I g- P
<statement sequence1>;( M, N% M0 h) U y; b. x
end;
5 V# b: {7 C( S% m1 k (3) repeat
9 u: m8 d; d8 e4 p$ t <statement sequence1>;* v! M. m- l" P3 o3 j- Q
until <condition>;$ a% c+ m( n! b/ E( q& N1 |
(4) for <condition> to <condition> loop
. Y3 {1 g: ^% e( K' ? <statement sequence1>;- ?- V7 K/ H& L' ^: b
next;# P/ o( {2 g/ c
3中断语句3 H- c, K4 F+ T+ l' u
waituntil <condition> prio <integer expression>;' l& r7 [2 g! F# V' o3 F
$ ]) Y5 F, f* w+ b2 [
/ X( w n5 G1 j4 b, ?
以上为常用的函数！
) G8 }" I1 M: h/ S) N还有很多，如有需要我把资料发到你邮箱里 ( y; J; ]1 n* K
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