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发表于 2012-11-13 08:48:12
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1判断语句
# l r) ^$ E, x% G7 K( B if <condition> then
: s. ?4 p6 Z! U# y( p! \3 j3 n. X <statement sequence1>;' b2 J" a) C# L
elseif <condition> then
, ?' o2 w+ u2 q <statement sequence2>;% l3 A7 Z+ E: r7 p, ^$ c& w
else 9 @6 p; x" n" ~8 J( r9 \( g% [! _
<statement sequence3>;/ o! s& B& e& `( v8 F/ s" q a% `: \5 S6 C
end;4 J9 W3 m' t; a5 \
如果分支比较多，用：
. D( v1 v8 E. F5 C1 o8 I1 e inspect <expression>3 Z8 H; [% Z$ D
when <constant_list> then2 h( V4 T0 D4 S! ^' M( \
<statement sequence1>;
7 I# { e9 l* ]9 ?! |- n7 ~ when <constant_list> then( [% D) @: L* k) l4 X0 O/ A, T+ a
<statement sequence2>;
. b5 F; q7 E _1 n6 n& N ...
2 H3 C$ v+ y _. H/ o8 n else
! ^( ~4 V2 {7 C$ i6 ^9 Z( i <statement sequence3>;4 m) \' r1 J D/ ^& Q: L( T
end;
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" }6 ^ l' n1 I# X* l8 N2循环语句8 v; X1 x- r8 P8 F; \
(1) from <statement sequence1>
' `. a' U( {+ P' U: C5 A9 h4 u until <condition> loop
3 n( H8 ^* k4 A) c7 Z, V <statement sequence2>;
m2 \ G" P3 l- ^ end;$ u9 {! ^+ q0 \& c, c+ U
(2) while <condition> loop
: B/ {5 x1 e& j* p <statement sequence1>;
u" T' J4 K1 h% M* c end;' B& F: A0 v6 U* }) O( Z
(3) repeat
# e9 _/ q) ]2 I <statement sequence1>;
6 g" D/ g( T& v& i4 P! I: N until <condition>; S3 d/ j% W# d/ |: P
(4) for <condition> to <condition> loop
+ g, e, B1 R- N <statement sequence1>;
( Y5 p% @8 w6 l% [ next;4 X7 R1 G. K0 ]- l1 L) z3 M
3中断语句% L0 t8 |2 H+ X$ ~: p0 F. ^% [
waituntil <condition> prio <integer expression>;
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7 ~8 f$ }6 j; T! S7 a/ ~
以上为常用的函数！2 u5 A1 b4 y4 r% [% P3 P( E. G* r6 l
还有很多，如有需要我把资料发到你邮箱里
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