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发表于 2012-11-13 08:48:12
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1判断语句
4 h b+ N! z; S- g if <condition> then
' P9 K5 I- d3 j7 v0 k <statement sequence1>;
5 ^. F- E6 D; z" r$ ]4 V elseif <condition> then, P7 {& z6 h0 m# J7 w* C: y7 v
<statement sequence2>;
) _( i* w$ y( x5 P else
+ q5 ]- _ d( C o <statement sequence3>;% }/ k5 v5 o- ]$ Q8 q2 G0 g: k
end;
! a0 b, x) K! \' {如果分支比较多，用：
- H3 M/ k' _! T2 D% d. M inspect <expression>$ i( U" s0 W* ]; a
when <constant_list> then
, g5 y# X+ ]/ e; R# z <statement sequence1>;
! K9 |. i0 I p* r, l- ` when <constant_list> then/ q' j5 g- L# \7 \$ ]* i2 \
<statement sequence2>;! v8 C$ m5 {$ d( G$ n
...
& K/ X& c' b7 l s else. V" @6 K0 D5 X& {$ L f+ V' o; {$ L- A
<statement sequence3>;2 S) G- Y" L* ~$ i
end;
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2循环语句5 m7 D$ V8 n4 o( \
(1) from <statement sequence1>
3 ]. I5 ^" Q) O5 S until <condition> loop
( `& F3 Q/ ^$ m+ Q9 I2 k <statement sequence2>;
& j4 e" o2 `* M/ a6 I) \ end;# o- Y3 K% `$ ~7 S
(2) while <condition> loop. U) j1 L# Z" N. y- X: B# {# l: P
<statement sequence1>;
" ^$ i3 z c7 @; e" e& g5 b end;7 S2 ?- n3 `$ W3 D5 T
(3) repeat
& {0 k. Z, {5 {, X <statement sequence1>;
% T$ c! C9 u* S until <condition>;2 O% f A9 T/ ~8 `8 o' W P
(4) for <condition> to <condition> loop
, A; L8 j( r0 u' y5 x H% ^ <statement sequence1>;/ O6 I5 M9 [. D0 L7 G+ v
next;
* Q7 n" y; F Y7 r6 d* F# s3中断语句
6 z* p% K- e, K waituntil <condition> prio <integer expression>;. z8 p. O% N9 W: j+ C7 Z0 Q
$ v! ]2 {3 E' J' _3 i! i9 N, l) w- Y
. y4 P- V5 X+ Y9 ^+ a/ e3 g以上为常用的函数！# h4 a# H% f# J
还有很多，如有需要我把资料发到你邮箱里
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