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发表于 2012-11-13 08:48:12
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1判断语句: K( x7 e1 x) ]7 D, ^# c( R1 k
if <condition> then
+ G3 x4 E- n- n$ |8 U1 h( D <statement sequence1>;
x" p& a9 o; X7 i elseif <condition> then' C8 P9 q. S- F) V
<statement sequence2>;: Z V6 [) z: ?
else ) n4 G2 a1 Y: N2 N5 z+ n
<statement sequence3>;
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如果分支比较多，用：3 F0 P0 X/ k6 a9 B4 {. G
inspect <expression>' F2 c+ ?5 |* w9 `" y1 x
when <constant_list> then
# p0 A0 `7 b8 V9 w* C/ ~6 m+ N <statement sequence1>;9 ^; T! g* s% \% M+ R( X6 l1 |
when <constant_list> then9 g2 D8 M" B3 g2 N7 c
<statement sequence2>;
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else
6 ~6 s& m* e( p2 W+ W* y <statement sequence3>;/ m c3 [; h9 I2 v$ k/ J- v
end;
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5 b. d, A o4 d2循环语句
`! s7 b9 {; z1 B% q (1) from <statement sequence1>
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<statement sequence2>;
" } f6 P# s* O& I. ^1 S% s( j end;
: ?+ O; h8 ~1 q" L$ Z! Z" w (2) while <condition> loop
5 B, y* V9 I& e1 Y7 ^6 a <statement sequence1>;" N/ a4 U4 ] ]9 b3 G4 d) R
end;
. i0 @) a3 L( F) @3 W (3) repeat ) |) e: [. Y \1 M/ m. t1 @
<statement sequence1>;0 P& k/ }5 T2 _; J# a# I
until <condition>;9 o7 n, t- p) l
(4) for <condition> to <condition> loop0 i4 ~& Z! M. e: ~
<statement sequence1>;
# [: F n3 m4 A2 {1 @; ] next;; ~" p: L4 O6 v2 A5 z1 V8 {: J
3中断语句
) L( @- u0 ] F! \+ V3 D waituntil <condition> prio <integer expression>;( @ R1 I3 h! b& I
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) w6 G" c* y- l5 ~. L! D以上为常用的函数！! G% Q& O( a+ a- B! i
还有很多，如有需要我把资料发到你邮箱里
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