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发表于 2012-11-13 08:48:12
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1判断语句6 Z3 i$ o a1 [: w+ a7 b4 O2 L
if <condition> then3 g' b/ n# W% J6 S) b9 q
<statement sequence1>;! u- T! e+ ?: x/ l
elseif <condition> then: a5 ]5 n9 }3 s" \, Y
<statement sequence2>;5 f7 K" p/ T- Q' ?5 S7 W6 n2 P
else
+ b; ~. i7 T+ o4 H% ~$ J <statement sequence3>;8 I5 _5 I* M0 z
end;
7 s3 c, L' t0 z+ f如果分支比较多，用：; E* F! j$ b$ g: R' x- o
inspect <expression>% J6 v6 Z% L j; x
when <constant_list> then
/ t2 ^3 N' f% U <statement sequence1>;, o. e( ?" k& v! d( z; u
when <constant_list> then
5 K/ n) v8 N \: W+ B' P <statement sequence2>;
8 O- I# e* R/ N. O$ W ...
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<statement sequence3>;1 ~/ |, e& |, F+ ^' T9 W/ L
end;
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2循环语句1 p' {( j4 ?) p, s
(1) from <statement sequence1>8 x3 Z7 }( o# l8 @* w' W
until <condition> loop o, _! v4 E$ m* K' [2 p2 r
<statement sequence2>;6 L3 l1 n# n! ^" W
end;
, v; Q/ b! |1 e+ T- f5 y7 N (2) while <condition> loop
. |+ s4 o8 d) k6 o3 Y8 w <statement sequence1>;
, Z2 [7 L3 V3 o1 X5 j) Q end;/ |$ g7 b% Q- F! A* z
(3) repeat
3 [) ` C* u# H. {+ \0 Q <statement sequence1>;8 [3 j% j. w1 L% R
until <condition>;
6 D1 R" @2 v/ C2 O (4) for <condition> to <condition> loop
3 p; o2 h% s" n% d' a0 H7 I) K: L <statement sequence1>;8 T8 t, B* k: E2 K
next;& i5 K2 A c/ ?' ]' L) n2 @
3中断语句1 r5 i2 I* s- p" o- ^3 b
waituntil <condition> prio <integer expression>;7 P6 R& Q' h6 R2 t) e
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( U4 R. I, `2 R以上为常用的函数！4 L& }6 H' ?! i2 O/ c
还有很多，如有需要我把资料发到你邮箱里 3 |/ a2 |1 g/ R
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