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发表于 2012-11-13 08:48:12
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1判断语句) O; S0 s. @. v! E
if <condition> then
, e; Q( {' q! h( u& S <statement sequence1>;' z6 z$ [. p" G/ G0 |2 l! I
elseif <condition> then3 `) U1 M6 O, p$ s+ r* N b N
<statement sequence2>;1 \$ r5 q2 U, `8 e2 ?' f
else
" I% `4 I9 ~' l& ]. q3 T( R <statement sequence3>;
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如果分支比较多，用：
) Y) m( X: r1 k% {" L& L; \& B inspect <expression>8 O i7 x, ?9 J5 i$ u0 d
when <constant_list> then% ~* ^, l% Q5 a& c/ D5 s( E
<statement sequence1>;
# I! @! [; v" |, c when <constant_list> then
8 y' C6 L: D3 z9 t; j( p <statement sequence2>;5 u0 I6 R! C8 H) K+ z
...! b0 v9 k; f# v# }! r2 ~( n
else0 N5 q# [3 s! U, U9 W6 N
<statement sequence3>;; P- Z( A l- f5 p! m2 s
end;
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2循环语句% `1 f( A7 N7 D2 X y+ i
(1) from <statement sequence1>; A; s8 [9 B/ M/ c7 Q9 ]2 P5 Z( S9 j; g. V
until <condition> loop
* f# m. a/ [4 j; t2 \ <statement sequence2>;# U. ^2 F/ E0 K* g) L. b1 q
end;- Q2 ^2 ^+ n. J- J2 ~' }% l6 ~
(2) while <condition> loop
2 K2 V! U+ L$ i <statement sequence1>;
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(3) repeat ' h/ X! f* ~# w- ^
<statement sequence1>;
$ s3 K1 f6 S" s; ^ until <condition>;
5 m0 C, r' b X (4) for <condition> to <condition> loop: R5 S# a. }3 F9 E
<statement sequence1>;7 Q b- b/ a- P3 K, R
next;
; u9 b' }1 U# I) B3中断语句7 a3 P' Q! `( H& n4 Z
waituntil <condition> prio <integer expression>;, r: \ h, C7 k/ V* h. F
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以上为常用的函数！
( T# W& u7 \% G8 I% @0 S& F还有很多，如有需要我把资料发到你邮箱里
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