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发表于 2012-11-13 08:48:12
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1判断语句
]0 @# {" ]5 n: O if <condition> then+ @$ p, F9 U. T5 a8 W" }* n
<statement sequence1>;+ q9 Z# Y. J2 k/ C' [& L+ N5 ~7 v
elseif <condition> then
5 k: R% L9 x- U0 m( v <statement sequence2>;5 }5 m, K7 Z6 [( l0 q# c" z) [! i) g
else , T$ C6 n: G- H) c E3 O/ v
<statement sequence3>;$ j I I, J+ h; b0 R
end;1 |& v7 K7 o( S, T ^
如果分支比较多，用：4 _$ [# F/ p' b6 b
inspect <expression>5 R* T( M8 v8 o7 w' j: z
when <constant_list> then# }- P4 [/ I/ I Q- e0 h/ a; V, C
<statement sequence1>;
' j5 F. |4 \- W; x+ t' s when <constant_list> then
" s: }4 w0 M- Y/ S0 N' F+ j <statement sequence2>;0 `: W! L& S0 c+ n4 l
...; C# C) p+ }: \# V1 R* \
else
+ u7 Q/ i! W6 l3 x% w% R <statement sequence3>;$ g. o7 f- c* o6 i
end;
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2循环语句' v, g) a \/ Z2 o
(1) from <statement sequence1>/ o0 ?$ p* W$ E
until <condition> loop+ Q# f4 j4 g8 y5 z& K
<statement sequence2>;+ ]$ q$ E! D: S$ f1 H+ [
end;1 U) \' {6 s1 S" A
(2) while <condition> loop1 [0 L' E0 t6 ]( u2 D
<statement sequence1>;
% o3 z. A( }" p, u o end;, R( E4 ~' H# D( k/ I
(3) repeat 6 ?) o) A" s1 Z, _3 _% k+ {1 f
<statement sequence1>;/ _+ h8 n4 B# q) F
until <condition>;# M& ^/ ]& ]" h3 |7 S0 A
(4) for <condition> to <condition> loop7 M( P$ s% S* o0 e4 ^* o, @
<statement sequence1>;
2 E* A3 ] G k2 H) {: O' T, |* R$ s next;. h2 _ q3 d) c3 R
3中断语句
7 e* f4 Z9 B# w5 g5 s0 h ?5 ] waituntil <condition> prio <integer expression>;% N" E- S9 o" C6 w
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. F7 ~) j: B+ H4 z以上为常用的函数！
( E4 ]3 |) T$ F! H2 s# E% C; Z3 L还有很多，如有需要我把资料发到你邮箱里 & o- W& S) f& m+ s% d, p! V
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