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发表于 2012-11-13 08:48:12
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1判断语句( ^4 |+ N5 D4 a/ }7 u5 @, x
if <condition> then
* e0 }3 K. p: k6 K* r ^9 x <statement sequence1>;
. |2 T* f5 C8 t) S. { elseif <condition> then. U+ B! a( c# E
<statement sequence2>;
! P' G4 v. \* \ else
- ]7 `6 j8 ~7 O2 Z# k0 Q <statement sequence3>;
9 f$ ~ P) r/ n' B end;
2 F3 A1 _, d1 C. F如果分支比较多，用：
/ L7 w& g5 Y2 K O5 J& R inspect <expression>% _- {, n( h' R$ ? l. |! S
when <constant_list> then" I$ u3 L0 \% d/ u: N& P! u) _3 \2 r( v
<statement sequence1>;
) Z8 w( H B# b* h/ Z6 I: h when <constant_list> then
0 x, m& C( j2 H% H% O <statement sequence2>;" p1 \$ h: S- V/ H# Y, I
...% z/ `7 C) Q, E% {8 F8 `
else7 a1 Q2 M0 b! k' x5 _
<statement sequence3>;6 o, \: d. ~1 ]9 s% }
end;$ y6 l0 u' l4 Y
$ d7 O7 ] q+ ?6 O1 X+ l: q2循环语句6 B, l* p9 s( Q4 Y; J% V
(1) from <statement sequence1>
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# ]7 d6 A. W4 y; N2 G <statement sequence2>;
9 T1 ?6 M, a- c0 C [5 Q end;, a1 l/ `1 m. T0 R( \5 o- o0 V1 z9 g
(2) while <condition> loop8 {& X$ e4 k% p7 f \
<statement sequence1>;; O2 I2 d, O5 o' C7 F
end;5 G& k# }( Z8 a3 K) I
(3) repeat 1 a# P% r& b \. f1 [0 a U: Y
<statement sequence1>;# y7 N7 B8 R, t. B
until <condition>;
5 {& X3 O6 W, r" A. u% o0 K, R (4) for <condition> to <condition> loop/ ?) y* a; C# c0 {$ G
<statement sequence1>;
: g h# ^( `! Q7 C$ S& G/ c next;& [8 a' I. E2 R% d& Y
3中断语句
8 k Q$ R4 i. }7 } waituntil <condition> prio <integer expression>;0 @$ s# D2 p3 n/ J5 x
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以上为常用的函数！: c* N6 S7 P0 ^. P
还有很多，如有需要我把资料发到你邮箱里
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