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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
0 f! Q6 m+ K1 A" _! U( ]4 ~$ d/ {" K: L" S if <condition> then6 ~$ V% D) o; y: p
<statement sequence1>;
7 o$ u7 P: w8 ]' k* }) w elseif <condition> then
. o2 v* ]6 ?5 M <statement sequence2>;
+ o; _6 O2 u% y8 B5 Q else 6 F, ^0 [8 I4 b) f1 @! H& q
<statement sequence3>;
7 Z. x% |, g; Z8 b5 J6 X end;
$ i6 h- X6 ]. P2 y* @如果分支比较多，用：. X! v4 S# z3 b
inspect <expression>1 A* [0 _/ m. B' O3 o/ ? r$ T2 q
when <constant_list> then y7 t! f8 r7 Z/ K, a% j
<statement sequence1>;
4 X: h4 J8 v4 G+ H4 B when <constant_list> then
s- C) l- s) g' @4 U <statement sequence2>;
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else
! E" o3 \+ i6 g1 C8 F0 X7 n. {/ b <statement sequence3>;! j! M5 G: n7 e" m9 R0 u$ S5 r
end;
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2循环语句
4 q3 C+ O& f* O' P8 ^ D! ` (1) from <statement sequence1>
6 ~! Z7 w$ M& H/ i until <condition> loop
6 o* P9 [* o+ H7 w! a <statement sequence2>;& f% v# F8 b+ |- x
end;
2 N; |5 w# J# t: S' L (2) while <condition> loop- ]6 G0 t6 x6 ?: ]6 Y
<statement sequence1>;3 B0 x2 V. c- Z4 G6 F" k7 z" f7 w
end;. s6 s, {- \1 D) G' w; D
(3) repeat ! ?1 v: M& v8 k" Q* M
<statement sequence1>;
/ D/ v; B' U# M until <condition>;9 I$ u: t0 S8 e& x; n( M* C9 f
(4) for <condition> to <condition> loop
3 p% i( V1 X( S. U6 D* C <statement sequence1>;$ _% z+ U( J. ^
next;5 J9 F0 u! d( x, o( E: I) Q
3中断语句
2 v6 i3 i) X7 i, m, I* s: ] waituntil <condition> prio <integer expression>;5 w6 r3 I2 Z w* e
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) w( w% j! }. l: w以上为常用的函数！1 T/ Y) Y& h8 K5 s+ [ z
还有很多，如有需要我把资料发到你邮箱里
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