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发表于 2012-11-13 08:48:12
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1判断语句. F6 \: w+ D" ]/ l# m8 \' \1 M
if <condition> then
) R! }: M. b/ A/ l* v <statement sequence1>;
! n9 ?/ P. W) \7 N& l5 s elseif <condition> then
, s3 ? r. u! n- `2 {" ]5 { <statement sequence2>;
+ ~ o+ J- S' v& A- C else 2 A3 _" j7 \1 ^
<statement sequence3>;: a9 z# r7 R7 V" J1 H0 S7 j
end;9 G+ S& T6 {3 x, K, M* b" m
如果分支比较多，用：
3 S: B: w# e0 J: ?3 s inspect <expression>: c/ t3 Z- R( y( s) i3 d% F
when <constant_list> then) o( R5 ]9 `5 y
<statement sequence1>;: g, K4 P- w- z# J1 r3 k0 O
when <constant_list> then4 k# _4 m7 R2 Y& ^& d1 s' Y; h
<statement sequence2>;. U: }3 i. a, i* N4 L
...
) L( N: w9 t8 u7 @6 M7 ~ else
3 j* P. m6 o7 T8 k r <statement sequence3>;7 l" \" Y( ^. A
end;- d5 N- }$ I4 T0 ~
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2循环语句1 @# o, ^3 W+ m% B0 J; R
(1) from <statement sequence1>
7 y9 n" y6 M. W3 M1 s) @ until <condition> loop
% L' I' h$ V, }0 M* d <statement sequence2>;; U% y7 ] T/ g8 f0 F, Q& f
end;) D1 k; X3 f x
(2) while <condition> loop
: H S( X- N! a" V1 \ <statement sequence1>;/ C9 k) G5 Q! f% O. U r; k
end;7 S [/ [+ q3 @% p' n" V/ M* G/ w
(3) repeat ' t) _/ @. S8 v8 [5 p/ C" l
<statement sequence1>;
7 z" l1 N+ U5 x: { until <condition>;
+ d# Z9 p- E. b5 M (4) for <condition> to <condition> loop
" D0 r$ S4 A( J+ e" v6 |+ `6 x3 w. D <statement sequence1>;
/ }7 B i# h/ o# y3 H9 E X0 R next;
* R3 w' W" d- B0 k, X3中断语句
* W6 c2 }: a# B# i waituntil <condition> prio <integer expression>;0 d1 c5 Z. ~* u; l# O! M
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1 c) z9 w; c' \# R b+ ]/ i- r以上为常用的函数！9 Z8 q. q% F; D
还有很多，如有需要我把资料发到你邮箱里
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