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发表于 2012-11-13 08:48:12
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1判断语句
* `( t, f; e9 O. H" m if <condition> then" H+ M9 ^. S- N+ ]/ U+ v: J- z2 C, ~
<statement sequence1>;
2 ?5 x% O. x h( a& D) R elseif <condition> then* J0 h" _$ `7 @! M+ O+ e2 B
<statement sequence2>;+ H, y' h8 W& L' i3 G1 ~
else 5 T4 z1 ]& m, x
<statement sequence3>;
8 q! D+ [( |- G( ~( O$ `) V end;
* K; G8 a2 A/ F5 U& |' f/ c如果分支比较多，用：
0 E2 K9 Q/ G9 s, e, D inspect <expression>
" U& k8 H0 e. a9 O+ F( X# c& t when <constant_list> then
9 ]& B( k. n; x$ o( m6 l( } <statement sequence1>;
) A& u( c+ O3 m4 t8 _% I0 a when <constant_list> then' h( A4 F3 S, f; q- _- R4 z
<statement sequence2>;
. j; m% _; R4 o7 X ...
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<statement sequence3>;9 { v3 x T; U, e" H( D
end;& } }2 N( ]' I
( d9 D2 e/ L6 u. {* p2循环语句# \) w! H" q* y% ~ a* l- B9 A8 O0 F
(1) from <statement sequence1>3 l2 V# W6 j$ ?8 e1 I
until <condition> loop8 n# r+ A* S! N6 w5 _
<statement sequence2>;
1 g! G/ I H/ H+ L h# g end;
6 o4 F5 k; S* ], J8 D2 \2 W% s& ` (2) while <condition> loop
! W- ]% }- b' G- B3 G P% S% L <statement sequence1>;
* y% F) G% `- Q. h$ T' m. ` end;
: Z4 J% E- V2 T$ u- U (3) repeat * l( q+ r" [3 c4 h6 B. q
<statement sequence1>;
+ g* R$ D* |2 G" [1 P6 M; q until <condition>;
$ X& x. @- ^1 j0 M9 o (4) for <condition> to <condition> loop
( O ?5 D7 g' _1 i( ] <statement sequence1>;
# F& _2 m& A, W! s s% U! ? next;
6 M4 \+ w0 j! N A( Z3中断语句. h6 H& U. ^# |- p5 p
waituntil <condition> prio <integer expression>;
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以上为常用的函数！+ i4 N x* L4 i+ V
还有很多，如有需要我把资料发到你邮箱里 / k5 ?" _6 T s) j) Q1 L
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