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发表于 2012-11-13 08:48:12
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1判断语句1 ]! k( ^& ~; L8 t
if <condition> then" q, S Z% m% ]& s9 y) `2 G A
<statement sequence1>;! y! F; r# R* Q! j7 v% P/ }$ m; m4 s$ W
elseif <condition> then
) C9 s- |) s& N: d8 I: X <statement sequence2>;$ R; f& V+ {5 v4 E8 F+ V
else
8 v$ r( d; K7 z8 O9 r7 H1 ] <statement sequence3>; f' i. q6 U: W- {4 J. O
end;
* B7 I, E5 c8 S3 N( L如果分支比较多,用:
' h0 o* O2 F) | inspect <expression>
" U) ?% V9 a* p% @ when <constant_list> then
9 B8 s5 @0 z) d" j9 L <statement sequence1>;( C+ x. {# G. H% j1 r
when <constant_list> then# @" O! p9 X; o! M
<statement sequence2>;+ p4 X: {) O t/ n9 E N9 B
...
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<statement sequence3>;4 q: Q+ x& ?4 q, E
end;
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2循环语句
2 ?, q- J# T+ Y) }3 k) d4 W (1) from <statement sequence1>
; s* E8 {- {1 h e until <condition> loop
8 |& ?7 h; n+ o <statement sequence2>;) o6 d) Y5 x9 I% d% @, S
end;
1 H9 p) A* V, N0 r4 d# {* c* W- ` (2) while <condition> loop
# X3 t) ^' \4 b <statement sequence1>;# D- G0 k2 E b7 Y5 s3 ^
end;
6 z% _9 [* q& o8 g* S1 C. t (3) repeat & D, S* w9 i6 P2 P- o
<statement sequence1>;
+ x! \% f6 n3 e Z; v5 z until <condition>;9 Q, n$ f' o; ]- N# `( x( [
(4) for <condition> to <condition> loop% _& _8 v. @- f6 |% t" G% j" X4 F A
<statement sequence1>;
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3中断语句+ k. `+ Q$ m) d, T4 k/ f ]
waituntil <condition> prio <integer expression>;
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# `. X* u* U8 _4 S3 u+ [以上为常用的函数!- H5 b! h4 B9 |! D
还有很多,如有需要我把资料发到你邮箱里 + p* v# B Q+ ~* n" B
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