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发表于 2012-11-13 08:48:12
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1判断语句4 |2 X2 w q$ [. V& t
if <condition> then
' Z! x( D& v- ?5 @8 {& v <statement sequence1>;
e: _! B" U: v, h elseif <condition> then
+ P& M- T, S& x# J0 ~9 R5 h& i <statement sequence2>;
% j% j p. J3 B1 ?6 b' E& q else
) l, h# r& f. l1 ~& u <statement sequence3>;0 B: p3 [, K1 s3 J; y
end;
3 t1 |. m5 _0 R* N7 O如果分支比较多，用：( ]5 } C2 u3 K& b
inspect <expression>. R# Y V: r2 t! p) u+ {& q
when <constant_list> then% F" t" w% E$ Y2 I1 u/ J, c
<statement sequence1>;) a+ P; f/ Z% c& N
when <constant_list> then
# }) i2 r# D G% Z <statement sequence2>;% e1 A# V( X5 p3 r
...) u/ l( W* V% |; h1 f# B b
else# x: j, o/ y6 v& h( E3 }) x
<statement sequence3>;; B% l! B3 H- b7 U% H* [% D1 c
end;; F- ]! F: f2 n( m# V
" i# }0 @% B* i/ y% x4 K: b2循环语句
4 `5 h: [7 }$ c7 @! a9 } (1) from <statement sequence1>" h3 x0 h0 }7 [. p/ t
until <condition> loop! m- a6 b" J) i8 z7 d& o. t
<statement sequence2>;
; }, J$ f, a1 b5 K) ] end;$ c* Z6 x0 V. Z7 @& M) h) u: h
(2) while <condition> loop
( t3 H' [- K; k0 C' z <statement sequence1>;, G2 ]$ k$ \% b9 [1 p
end;# b) z7 I! l0 S- I& l
(3) repeat
8 R- n$ V% [% _: Z- Q1 v <statement sequence1>;* \4 F1 i. t* j7 g
until <condition>;& B+ Z! z* u5 w1 H2 H' ?
(4) for <condition> to <condition> loop7 j5 y& l6 V K- r( s5 J6 G
<statement sequence1>;! S1 K. G' U7 b4 h: V! C' _
next;& y% @8 q6 a- {* ]+ _( ?
3中断语句4 e' f1 J& U2 m4 r' _7 x
waituntil <condition> prio <integer expression>;
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A) n4 B2 ?3 V# q
% P3 u' h% V2 R7 Q* q以上为常用的函数！ E2 c: H# }, b& t+ t
还有很多，如有需要我把资料发到你邮箱里
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