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发表于 2012-11-13 08:48:12
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显示全部楼层
1判断语句" }6 ]+ L8 e- {5 o; @+ m
if <condition> then
3 A; `3 s, D: u" j9 x, o5 m' S <statement sequence1>;0 R% K+ ~$ t6 [4 `
elseif <condition> then2 L$ u" R+ i& q8 c: _
<statement sequence2>;
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<statement sequence3>;
7 v) _6 D, W: E) j2 i end;: e' U( A4 Q/ [
如果分支比较多,用:6 a4 P; C( c/ ]' T6 i* q! W
inspect <expression>
/ P& y. q6 h; ]4 t: b" `4 Y4 m when <constant_list> then2 T) v" [; J4 J$ @1 X
<statement sequence1>;% y6 g# H2 l! G) J
when <constant_list> then1 u, M5 v3 A" B M- D, }
<statement sequence2>;
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5 Y( Y3 g3 B- {1 x4 b3 ? else
9 y! {1 a9 f: n" ? y6 W <statement sequence3>;
5 g; ~$ z& ]- R) Y/ d c3 `4 Cend;
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2循环语句' C( z5 ] o* A4 Q
(1) from <statement sequence1>
9 E! o- l" S/ F until <condition> loop
3 x, \$ {! |0 ` <statement sequence2>;
% O$ K* ?. J' B end;
3 K. C9 K. @6 l' U: k (2) while <condition> loop2 N, m$ q9 Y- ~* ~0 e: i6 @
<statement sequence1>;
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(3) repeat ) G; i+ P2 ?2 `* d, K4 N5 w" C6 T3 u% |
<statement sequence1>;
. x% G: T9 S! V until <condition>;& M& M- \% R9 e# J
(4) for <condition> to <condition> loop" |2 X9 w9 N* i5 O6 B+ i
<statement sequence1>;
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3中断语句
/ Z+ t9 a1 N" }; l0 Y waituntil <condition> prio <integer expression>;
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以上为常用的函数!: d# g1 j. t7 \- h8 `$ J0 y
还有很多,如有需要我把资料发到你邮箱里
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