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发表于 2012-11-13 08:48:12
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1判断语句
* i: L) y$ z3 w- F+ @; t if <condition> then
4 `/ A0 l: z4 c( n! C <statement sequence1>;' \5 r5 B1 i3 Y) P( ~
elseif <condition> then
/ x# p6 c' s7 w' U2 r" M <statement sequence2>;8 t$ v: I X8 U% J* Z; K) O
else
. ?/ _+ ^% g" r" p5 W <statement sequence3>;/ W& ^8 C3 |. O( k9 i! t
end;
) x# h6 ?: ?. y' ], r6 x: `如果分支比较多，用：
( m+ T, r- a% W! L# A inspect <expression>
% N! C0 p9 p( y* p1 W when <constant_list> then% o5 _" t. D# y9 o+ ]- P9 e
<statement sequence1>;
" @1 b$ o6 A7 z- X& |- ~9 F' v when <constant_list> then& h7 ?/ Y4 @& `- w
<statement sequence2>;
L* b. e6 x4 N% j2 r ...
' V& t8 K9 a/ E0 a% \ else
6 ]2 L0 {" c5 J0 q9 ^9 B. G <statement sequence3>;. ~3 ^0 P" H s+ w4 M0 d% j
end;8 L1 d/ \6 e B4 ~
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2循环语句
4 h5 F8 r' s5 h9 a9 j9 {/ L* A (1) from <statement sequence1>
1 d9 ^% `5 \) _8 K: B until <condition> loop- r) o% L& O; P# ^- x
<statement sequence2>;6 Z% ?- A6 c# X/ K* V
end;
. d) `# e& o, Y% ~) X. B (2) while <condition> loop
3 o0 Z$ u9 e3 X <statement sequence1>;3 u0 a2 p* V) N& w- I
end;' K; ], c+ {$ P' e2 E, P) c! E/ \
(3) repeat
) l+ Q/ R4 P" W3 ]( u <statement sequence1>;& H7 T1 d' x5 _# w
until <condition>;
8 \, q9 i. Z; C) e% R4 }; V7 P) A: M (4) for <condition> to <condition> loop
) M7 `! {% F, |6 P <statement sequence1>;
7 q f2 t' c1 G4 @' g% p next;
# Q" U4 A9 D2 u( m( F1 q0 s3中断语句
: f3 g, ^+ W6 c# [7 {! t& y waituntil <condition> prio <integer expression>;! m* L( b- |7 I8 U* a
+ d. U5 H9 x7 {( A+ l% w' }" y' }& L4 K/ B/ v" Q, h
以上为常用的函数！) f9 D6 h% u9 Y( S5 ?
还有很多，如有需要我把资料发到你邮箱里
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