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发表于 2012-11-13 08:48:12
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1判断语句# m3 M A u( F4 j
if <condition> then
! D1 c/ h \$ w* P8 c' Y <statement sequence1>;/ G& \/ w. x$ M" S, z
elseif <condition> then4 g9 O& u2 M+ t, i* w h
<statement sequence2>;2 j+ g" w/ ~ {7 B9 f& C: n
else
0 s' Q) N( w8 L8 d$ S <statement sequence3>;4 L1 o5 Q, L1 t2 ^) ]5 S
end;
" a$ \8 Y% C7 L2 X4 Z5 l如果分支比较多，用：
6 r4 E1 H8 n5 l1 d9 t( B inspect <expression>
5 x. a! M7 H( o8 B when <constant_list> then
( Q+ [: N& A# l3 R, m <statement sequence1>;% Y4 h2 z6 H, P; z6 C/ v R
when <constant_list> then) Y. C# k* n( o! r8 ~2 I
<statement sequence2>;) z1 L: o/ s9 U" h6 q; [
...
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<statement sequence3>;
5 }; H& K8 {: C: Y! }8 t. Cend;
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2循环语句" p& p1 C' W$ S& f A* k& i# g
(1) from <statement sequence1># |- G# ?7 N5 c- ~
until <condition> loop/ g2 J/ g8 D2 h) G, S: Z
<statement sequence2>;
0 ]5 @( y; y3 ~- S, t, h* Q2 u end;; [6 d( o4 m+ T) q7 H. l; _) z
(2) while <condition> loop
" |2 K; q- e# @' O <statement sequence1>;
" \' ^& ?6 l0 K W6 W; R6 u& W end;1 i2 k- H0 `6 A+ y- g- y
(3) repeat 9 E% q) A( p' j, O3 V
<statement sequence1>;
2 H" a3 r P# |3 }5 D8 a) r until <condition>;
9 K5 q9 {- b7 V (4) for <condition> to <condition> loop( G7 |7 t { R, I2 z+ F7 W! ?
<statement sequence1>;) I0 a& C7 Z! V0 y1 o
next;
2 P( s5 g, V+ W( V L1 ^3中断语句6 [# [, c7 R# y# N9 w0 }# R
waituntil <condition> prio <integer expression>;
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: t, t6 w8 w0 S5 V3 Y7 _以上为常用的函数！) F- Z+ Z. b' j8 Z
还有很多，如有需要我把资料发到你邮箱里 6 w8 _$ T( P! d9 u8 |4 M; y
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