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发表于 2012-11-13 08:48:12
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1判断语句
P3 C- J$ H4 _! J if <condition> then: m C9 I3 j7 z: P# u
<statement sequence1>;% g3 s) j2 G6 ?/ h+ l- f
elseif <condition> then/ C* O. w, r; o
<statement sequence2>;
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<statement sequence3>;
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如果分支比较多，用：3 X6 k, H$ X0 y5 q% |1 q' j5 v
inspect <expression>
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<statement sequence1>;( B, m P' a+ w
when <constant_list> then+ P3 H5 y7 c; I* }4 O- L
<statement sequence2>;8 h! d5 t2 }2 ]4 A4 H; o S8 r' t
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else
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! D! V3 ~: k& |end;
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2循环语句5 W( X. ?$ @* s- ^
(1) from <statement sequence1>
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5 q, g$ M* p" H <statement sequence2>;' _% M0 G' x, Z4 J+ C5 N5 Z' R
end;* } P- S/ v9 X
(2) while <condition> loop
6 Y3 z: }$ u: a/ L <statement sequence1>;
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(3) repeat ( Z/ {+ Q' w* R. ]9 l
<statement sequence1>;
% |7 p7 S; @" i3 P1 R5 X M# c until <condition>;9 L) X* f- o$ x9 h
(4) for <condition> to <condition> loop- K- i5 R( O) P G5 V3 \; x
<statement sequence1>;+ }$ ]$ k3 D( \5 b7 [
next;
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waituntil <condition> prio <integer expression>;
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以上为常用的函数！
* Q5 p* \" o ^ ]" G9 w还有很多，如有需要我把资料发到你邮箱里
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