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发表于 2012-11-13 08:48:12
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1判断语句: ?* H- ^6 V; W
if <condition> then
3 O& L4 [& a; T v- H! e <statement sequence1>;
9 `1 n4 X. [# z+ c% J: j elseif <condition> then- ?1 s8 q3 I: a
<statement sequence2>;- L" i* W$ `) Q) |! T1 v
else " ^4 o1 Y: w; A
<statement sequence3>;3 t# H5 p( H& l) ?
end;* k& d; r) @: V
如果分支比较多，用：
. l( y5 l. {3 s" X) g& }6 h inspect <expression>% f* x/ n0 R/ L; D) D4 s
when <constant_list> then
3 t4 m! v4 I& u' @8 Q6 R9 ~ <statement sequence1>;1 F3 M% o+ o$ G( u
when <constant_list> then1 E# G5 m8 {4 l
<statement sequence2>;; B: [2 o& s6 S; L9 y8 Q2 d
...
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: X. M' ^+ s8 | <statement sequence3>;7 }. s- B2 g, U; s
end;, o7 l0 [6 S7 _& v. U2 D# M
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2循环语句 x4 s3 F. o- o9 J% ^( N: t
(1) from <statement sequence1>3 m' O9 S: G2 S5 Q+ y0 ~. k
until <condition> loop/ \2 H+ D) X5 e
<statement sequence2>;$ _% f6 X6 Z! H- y5 Z* Q% C9 p; ~$ z
end;
0 f( T$ l5 ?. w2 W (2) while <condition> loop) m) ^6 r# q+ r6 D/ k* ]
<statement sequence1>;2 {8 Y- r7 {' l3 ?& J# }1 K% x
end;1 `1 W F5 b- t, J
(3) repeat : L8 I" E1 M; s
<statement sequence1>;
, G& ~( \% R. e1 Y- }6 ~8 k# | until <condition>;3 _$ U0 t$ ]/ K, ^/ p( B
(4) for <condition> to <condition> loop
4 |& i* v( q* q$ Y- b& M! m* S <statement sequence1>;' U) B4 V' P- a! m1 y+ [! b9 a2 g
next;
. z2 L& M/ p6 i0 {; i Z9 H3中断语句. F6 s" t: s0 @) G2 L5 M
waituntil <condition> prio <integer expression>;
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% z- a9 e' I% J. S以上为常用的函数！5 a2 y. B) I$ z# e
还有很多，如有需要我把资料发到你邮箱里 7 }5 L6 r$ @+ V8 |7 Z# z* y
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