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发表于 2012-11-13 08:48:12
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1判断语句
a; z" ~/ q( z" t! E. X2 r) L if <condition> then
! K y) |) t( Y! ~ <statement sequence1>;5 k* g" z/ N @4 a
elseif <condition> then! J( t$ z0 S) f4 l. A
<statement sequence2>;
5 W3 S+ l* R1 W6 \( }/ a4 U/ O else / W9 }7 x- F2 T8 v
<statement sequence3>;( r, g1 R, ~2 o- {# W/ r" s
end;
6 i- \ K" r3 I7 t$ [. I. U4 g如果分支比较多，用：
5 @$ v* @/ E8 |# e+ j2 d inspect <expression>! s7 [) Y7 i! V; X' q
when <constant_list> then) |2 n6 _+ `; |$ E
<statement sequence1>;, @: ^- U1 @3 ~# \( y' S
when <constant_list> then
0 [7 c, R& A- ?' ]& ^ <statement sequence2>;3 @; r; Z6 |; k _
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else a4 h$ T9 q3 O: u
<statement sequence3>;
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- A1 F" Y0 Q8 b& ] `7 m/ T) ?
2循环语句9 x/ E: w M8 y6 P
(1) from <statement sequence1>4 V) }9 U0 t: `/ l5 Q& v- W7 k' M; F
until <condition> loop6 A5 \* P% m5 }
<statement sequence2>;
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(2) while <condition> loop
\9 b6 Y$ T M+ G+ W+ o <statement sequence1>;
' A/ C( }5 p3 z( D+ M end;5 R) ^8 e. ]! z. M( s- ]# V
(3) repeat 9 @. |; E8 Z3 u4 P% G1 C
<statement sequence1>;
5 z A. j% j- n1 ?& K until <condition>;) h4 Z. l7 K# S
(4) for <condition> to <condition> loop+ x* C' Z- v" s4 W, y. ? O
<statement sequence1>;1 s8 \$ }' O2 ]) v
next;1 N9 r# t: r% X- d4 ^% X M& ^' k/ `
3中断语句
) h8 G/ V# X) A3 \ waituntil <condition> prio <integer expression>;
m5 w& f! l1 h" P6 ~3 M1 }
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: M: t# l7 V1 ?$ \ b5 }& |以上为常用的函数！' C' t$ U0 @' b
还有很多，如有需要我把资料发到你邮箱里
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