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发表于 2012-11-13 08:48:12
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1判断语句1 F9 M# i4 c# p J+ @/ X. f
if <condition> then. w$ B/ T* k$ d* z2 r
<statement sequence1>;2 E. t Y% @& V& g: z
elseif <condition> then
1 c' d8 Q6 E' l& H- p. P <statement sequence2>;! ?0 j/ \: \- A, ~ m9 q# y0 P
else
' `! X: i4 `" U <statement sequence3>;3 a0 U, Q9 J7 Z s
end;
3 i, P. {) O! o+ s3 V1 r7 O- a如果分支比较多，用：4 L/ @( f, p& R/ T+ y% o
inspect <expression>
* s& e0 h4 a) v! a5 ]$ m* I1 Z when <constant_list> then, O' `9 T/ ~0 L$ }! O
<statement sequence1>;. d! x0 t( e; h) n, ^' M. {& A+ q
when <constant_list> then( v: R/ r W9 {9 Z1 l' b
<statement sequence2>;4 W. u2 z: ]" ~1 t5 e
..., t) A" n* w$ z' }% L
else; E8 x1 t9 B( W# V- B! h) O
<statement sequence3>;
" ]9 v* E* T: V! [end;
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2循环语句* s9 H' h/ o/ q' Y5 M
(1) from <statement sequence1>
7 E8 H: { Q. E$ v# w" G: C [/ u until <condition> loop! v5 S: [) v/ ^! P1 R, z( ]" n* n
<statement sequence2>;& P3 b0 Q; o/ p9 V8 ]3 q
end;5 d6 o$ Y$ r3 B( e) j! H6 ?$ C! G
(2) while <condition> loop5 B5 y( i ^; g j" M0 L
<statement sequence1>;3 N) X& ?4 |, g: M' r
end;9 G* @2 U9 l h$ }: C& j
(3) repeat + H; k+ |. }( p5 b: h2 \
<statement sequence1>;8 o! I' W; M B% ~# H
until <condition>;6 z" t) i& Y3 a- l/ H. o, c# F
(4) for <condition> to <condition> loop
/ Q2 V3 f; T, B0 i5 `+ ] <statement sequence1>;
3 l3 ^3 {: v, c; ?9 ] next;3 m3 Q* L3 o9 T! |
3中断语句6 D8 T. z/ x& ^ w5 [6 p4 W. p
waituntil <condition> prio <integer expression>;: U# x6 o4 o# f
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3 y/ m8 ^. L! Z% a2 |$ h' v" B以上为常用的函数！( q [& O$ w5 w6 e
还有很多，如有需要我把资料发到你邮箱里 # M R3 e2 d: u2 c4 A0 Y$ o# `
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