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发表于 2012-11-13 08:48:12
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1判断语句
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* q6 M: f3 q0 K* l$ h' u <statement sequence1>;; ]. l- ^& Y* z! A1 U& M! Y
elseif <condition> then* g9 x! i" u3 I" l; {$ P
<statement sequence2>;
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<statement sequence3>;
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如果分支比较多，用：
9 N) ^5 I9 ~ c' z: j inspect <expression>% n& m" _( G9 R+ I$ g- L H
when <constant_list> then
& Y$ ?/ j2 p/ H: @ <statement sequence1>;) z9 {/ w1 U; T
when <constant_list> then9 @9 x3 \. v' O4 f! B
<statement sequence2>;
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else/ L; z# Z! _' v0 S/ ~3 s& m9 D
<statement sequence3>;
, U* ^6 o0 l0 w! g1 W9 E/ w( jend;
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2循环语句+ H4 E. [5 v5 ? I
(1) from <statement sequence1>/ z- G( J) u! i3 h8 ]' m
until <condition> loop8 G5 z$ w# Q; ^3 f* E
<statement sequence2>;
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(2) while <condition> loop
4 v+ n9 H: m. T2 C! ? <statement sequence1>;) r! y6 j4 f" ?* {& v( C$ d
end;# X" q8 [& E( L6 K) F
(3) repeat
6 R, L3 |; [+ k' h( @$ Q2 `4 u <statement sequence1>;- ^6 L+ i/ D; ^5 M- T4 K) S+ f
until <condition>;9 [: r& Z6 [1 X8 S# K8 G3 r+ w' s
(4) for <condition> to <condition> loop& m0 ?) [8 j4 b$ ^" G
<statement sequence1>;
, b' X6 j! A% p0 C9 I( [ next;
/ J. b& ^+ Q, y5 c2 v8 p3中断语句2 [% f4 e* J% a8 K2 m
waituntil <condition> prio <integer expression>;, O3 ]9 [' D5 u7 P6 [
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8 u$ S+ _. z! @: Y3 J. A# J. S以上为常用的函数！
, B" @9 K' k" ~" V还有很多，如有需要我把资料发到你邮箱里
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