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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
$ W/ s) X' C! a! g if <condition> then
2 c2 e$ \9 w4 W: }. E" n+ L <statement sequence1>;% g4 U" Z8 Q! g0 k6 f
elseif <condition> then
, `+ A$ J& W8 ?3 S/ w# H <statement sequence2>;
0 H+ Z& E# |# n: G else
9 c" G9 F/ z: k$ p6 n3 l <statement sequence3>;
) l* k/ m. S5 g5 g* k+ Y end;% N) i8 u7 ~# }, g( b
如果分支比较多，用：
+ H: P$ b# [) s& {; W inspect <expression>
3 f, u& r) H' g1 B when <constant_list> then
1 q( G, Z" p# {$ A# r0 R( [ <statement sequence1>;* z) Y _5 ~* V/ h
when <constant_list> then3 D( G1 V- A! r1 y% ]3 E* }
<statement sequence2>;, u$ ?5 D7 s' b0 n4 N
...1 R' H% a! s1 {; Q3 ]# v
else9 Y4 c, N8 T% U! S, w" V, Z. }
<statement sequence3>;$ t% u4 ^4 v5 v* b- i6 l$ A" k
end;
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2循环语句2 m) i1 E2 n; r6 }2 g/ a& l
(1) from <statement sequence1>5 R$ L1 {# x4 U7 `
until <condition> loop. A8 S2 M2 e; ^
<statement sequence2>;5 K: } J! e: c |* X
end;" H2 M y# d W H1 H* A$ ?
(2) while <condition> loop
1 v. X1 z L: C <statement sequence1>;
: m) U2 t- ^# y; `! | end;2 f6 i9 P7 R8 _! w- f q* _
(3) repeat
9 r' Q# N. t ?% V, s* p4 R& x <statement sequence1>;7 z4 a7 q1 E, q, x# o0 a
until <condition>;
8 D1 N* }/ S+ a& U5 H7 u0 ], \ (4) for <condition> to <condition> loop
( j+ n2 E' w: q7 x' { <statement sequence1>;
' C4 O- z3 X* j1 ]' l next;. ~) ~5 A: m8 C K: `( ~" C) O
3中断语句
4 p" g- N4 W+ o3 C& F" m5 u& ?1 G' E waituntil <condition> prio <integer expression>;
/ w0 w$ W/ _/ }
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以上为常用的函数！# J% G4 }( k L
还有很多，如有需要我把资料发到你邮箱里
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