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发表于 2012-11-13 08:48:12
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1判断语句" z% [% d0 S) a I# \% D- \
if <condition> then
, ~7 _5 N! {- S' V4 }7 ~ <statement sequence1>;
& y" U* ^2 r: k( D+ ]$ b& S elseif <condition> then
% f( L$ Y/ p7 s/ I+ p <statement sequence2>;
" \% D o/ ?2 H- v5 [ else 1 k( _' d* k0 {* @' e
<statement sequence3>; O! Z9 ?/ c/ [ K$ s) c
end;
- @: m9 ^ O, [# D, s如果分支比较多，用：& Z+ d# |' p6 q$ V# M' f2 ]/ e
inspect <expression>
$ m! f$ B y, o. A# n0 V when <constant_list> then
% Q! [ S- G# {( ~! e <statement sequence1>;5 x9 c) ]5 {( h. o# {; G8 V3 w5 }6 o1 H
when <constant_list> then; U8 g- e( ^7 T' m, J
<statement sequence2>;0 O/ t, [. x7 {$ J
...
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<statement sequence3>;8 H* G+ t1 V% Y" o" b! L. `
end;- U* v [6 i: t9 e0 N
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2循环语句6 {8 R3 ]1 v/ {9 d7 @! Y
(1) from <statement sequence1>+ C% k0 E& L9 L ~1 X
until <condition> loop
! n3 y. j! U* j, K& x. N <statement sequence2>;" d8 }3 m" T' H& {
end;
- @, n2 W/ h( Z (2) while <condition> loop3 E6 D# x3 Q2 @
<statement sequence1>;
* q- s& i- }' _5 ~9 _7 |1 ` end;6 G' H; B3 G, p4 j& t( T
(3) repeat
. U9 F7 p3 A0 F) w Y <statement sequence1>;
) M' Q& x1 V" B* P8 E: X( _6 b1 g until <condition>;
: f* W$ F( j3 |& r, Z5 v6 J (4) for <condition> to <condition> loop
2 k5 I* X% m8 F9 [) {9 B <statement sequence1>;
: j o7 s( J7 i) w next;, u3 z' o$ x2 z r; f6 Y
3中断语句& S9 P* j2 @8 e% U; ~ I
waituntil <condition> prio <integer expression>;" |! G3 }- `' o
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以上为常用的函数！& d; }8 [9 m3 D. N
还有很多，如有需要我把资料发到你邮箱里 5 L! T; t; m1 t( s) [5 ]" c
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