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发表于 2012-11-13 08:48:12
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1判断语句4 [( Z+ Z+ Q! b3 X5 y4 [; A
if <condition> then
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elseif <condition> then, P7 {# w9 y2 e7 I& D( e4 x+ \
<statement sequence2>;
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<statement sequence3>;
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如果分支比较多,用: m/ q: P# s- K$ c5 C% \/ j
inspect <expression>: H4 K. i& G! b# n! L" c
when <constant_list> then( h5 y h& c/ f r
<statement sequence1>;. \. S, ]8 Q2 l/ R( p7 O/ ~
when <constant_list> then! @" b$ h, o2 T. O& M
<statement sequence2>;
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else
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* M# i* A8 W4 E# @4 j2循环语句
e7 P; M; i6 M' M' l5 u (1) from <statement sequence1>
+ }/ ~4 a/ g Z6 t/ {7 r+ ~( o until <condition> loop
9 R. v6 U5 p, p5 r$ ~; @- O) C$ o <statement sequence2>;
6 u0 Y! e4 B4 a) b9 `9 s end;
4 X8 y4 ] P# y (2) while <condition> loop, l4 K1 K7 {3 C+ W) K, b) F
<statement sequence1>;- J( Z5 V* O8 ^$ S
end;
# p: u/ d3 P* ~) m* D0 Z (3) repeat
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until <condition>;% K* l6 O& t9 T" t
(4) for <condition> to <condition> loop6 x6 _ H# p7 K9 |; i3 P# y
<statement sequence1>;' I* Q+ V$ t ~" J0 _6 @
next;" F% q- T8 z: r8 N1 i' k) \
3中断语句
$ \8 u- e0 z9 A7 a% p waituntil <condition> prio <integer expression>;$ }, F* W- Q& i8 \8 [8 X+ @- U
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以上为常用的函数!) n6 y: {; w. n4 _4 f9 w. M
还有很多,如有需要我把资料发到你邮箱里
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