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发表于 2012-11-13 08:48:12
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1判断语句3 z% r' V ? f3 J+ l
if <condition> then% I9 l* ?, a' d
<statement sequence1>;7 O- ~# T: g# f
elseif <condition> then' [: n, _2 e( C
<statement sequence2>;
) z7 ~" R/ X& t/ i: g' p else . [3 s% H8 A5 B' M
<statement sequence3>;
. G$ g' U% x$ M) w* s end;
! }5 _) K. B& s. \* w如果分支比较多，用：- C0 l9 x5 v7 Y( U; \
inspect <expression>- E) e5 v, G/ @: @
when <constant_list> then, W1 c+ f( w" Q# M
<statement sequence1>;% U# I: C5 B1 X) q& R, H( {
when <constant_list> then
+ o- ]4 O! A( [5 @ <statement sequence2>;4 `( c ?0 J+ {: x
...
0 l1 E2 ]1 m2 d; Y$ F7 t( H else
" Z) L! K$ q" ~9 y7 \ <statement sequence3>;
# V: g; C4 p( aend; k( y: I$ q5 O* m* s
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2循环语句8 J; `& q% l/ s8 Q$ }7 _
(1) from <statement sequence1>
2 K6 t4 I, G7 `1 ^" T until <condition> loop4 Q6 R9 j# g0 J8 R
<statement sequence2>;
& g; U/ w+ L$ M+ D; Q7 D end;9 E6 s$ [. d- u+ u
(2) while <condition> loop
m! h& x% U0 ~- @3 ]; @0 ] <statement sequence1>;
% t5 L. p, S8 p6 J end;
- d8 I9 @ V8 h8 y5 K (3) repeat
) C' l5 N9 D4 Z( j/ K, C, `2 \7 k <statement sequence1>;& o0 n) l6 h* y" s' [$ n$ V
until <condition>;
. o. x- y5 G( f& |1 L0 V (4) for <condition> to <condition> loop
( w/ P; t5 L4 z; X- C- V! N <statement sequence1>;+ C; J% G* t: v6 l6 l! Q$ z
next;, c: Z2 D6 F( \: |( d, t+ {
3中断语句5 D1 z4 n6 Q" t# M! y
waituntil <condition> prio <integer expression>;
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. C+ F' I5 z! f$ r2 }; J; G以上为常用的函数！ q' W1 j) I1 D
还有很多，如有需要我把资料发到你邮箱里 : o" r* l# p' g& T8 ?
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