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发表于 2012-11-13 08:48:12
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1判断语句7 M3 s# H6 E- m9 @/ h
if <condition> then
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elseif <condition> then
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else ! _& G7 \& j0 j: j I2 n4 u: l
<statement sequence3>;& r' ^" u4 N- c0 g) B4 U
end;
+ I& [3 \2 G7 S2 U8 }如果分支比较多，用：/ Z7 o z+ ?5 X' W/ A* b& w
inspect <expression>+ B% D5 E9 p7 J2 i: c9 @: d8 c- G2 P
when <constant_list> then3 R: d6 U- r# U7 t( P
<statement sequence1>;
4 v/ r# Q2 s1 y' O; O& h when <constant_list> then# m. Q/ W- u6 M u% V
<statement sequence2>;
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else! L; v+ K: T" I
<statement sequence3>;" i; S; k, c) T) I
end;
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2循环语句% ]& h% [% l3 f+ A. u
(1) from <statement sequence1>, i0 V! z& g' X3 s) u! ]1 {
until <condition> loop- m/ @! K0 G7 f$ F
<statement sequence2>;
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(2) while <condition> loop* M0 V7 [8 x/ ^3 S
<statement sequence1>;7 i) _+ h8 } z4 |
end;
9 ~( t) k5 \: e: Y4 n (3) repeat , U; D+ P& P4 L
<statement sequence1>;
& H7 K" C! o7 l& K' U until <condition>;
* G* d! m6 T% J3 s3 Z( `# U (4) for <condition> to <condition> loop1 y/ w+ M% t; d% H; B6 V
<statement sequence1>;
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3中断语句3 v6 A6 b0 `) y3 ]
waituntil <condition> prio <integer expression>;& a. y7 D! @5 k- X
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以上为常用的函数！1 t, x: m4 G$ x; e
还有很多，如有需要我把资料发到你邮箱里 8 Y+ |. p% u" J$ m8 c4 K( x
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