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发表于 2012-11-13 08:48:12
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1判断语句" Q7 i( Q0 L3 D; p5 S" t
if <condition> then
' {8 P) S/ z6 _$ {, Y- Z) A8 X. h- i% x <statement sequence1>;& d8 c8 \: ?. ]+ Z# V
elseif <condition> then; ]6 W) Q% v. L4 B
<statement sequence2>;# E" ?- z' \6 O2 O
else
. `0 Y% I& t8 _" t2 ^& r <statement sequence3>;
6 q2 U! Q! r1 |0 h) r3 q end;
8 N) m1 o% q0 ` O9 [如果分支比较多，用：; _1 E7 [4 `5 ~' H. n( X
inspect <expression># V% |* F. p, [7 m. b7 T$ k( i6 R4 j
when <constant_list> then
! C$ q. s5 X% Z; Y) c3 ` <statement sequence1>;
8 F+ D, S! k5 K" P when <constant_list> then
% l: M5 X* b2 Q <statement sequence2>;: g Q) C# D1 k; g9 K
...
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<statement sequence3>;2 {0 k4 ~8 q2 {
end;
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2循环语句# E. I* \/ ]& p) K+ c: A
(1) from <statement sequence1>: g$ g. E5 e/ N$ j! x( J$ v
until <condition> loop
8 x9 P0 {* u# L, @( j <statement sequence2>;
2 Y& }9 K' t4 }7 U: c$ m3 g! R end;
6 P1 I# E) B2 ^7 j; { (2) while <condition> loop/ R. Y- x# v3 ~7 \
<statement sequence1>; l# y- J) _# ~9 \( |
end;
( l4 s; { ?) ]+ r (3) repeat
# B) r! F, }& K <statement sequence1>;
5 }. p( Y: B! N0 c$ @. ?% a# v until <condition>;* b- j/ M9 D4 |8 c- \; w& a
(4) for <condition> to <condition> loop
; W- l5 p2 b/ ?& f' R* z <statement sequence1>;: T7 m7 {/ Z5 T d% h
next;0 s; S% T" i( p+ Q7 g6 [
3中断语句" N& d- k2 H9 x5 |, E
waituntil <condition> prio <integer expression>;' I, d1 o5 X Q
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以上为常用的函数！
! y! }/ B6 j* [ z5 d3 [! ^9 p还有很多，如有需要我把资料发到你邮箱里 * X5 D# w9 K6 t/ d
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