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发表于 2012-11-13 08:48:12
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显示全部楼层
1判断语句; V2 D4 _; |* T3 d; N
if <condition> then
4 |( C+ o) P6 B <statement sequence1>;$ ?6 @( ?; @4 [$ C( g
elseif <condition> then, Z0 }$ `; a4 _! y
<statement sequence2>;
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end;/ _1 O, t: d0 L( s# P: P
如果分支比较多，用：
8 `: t( {; i5 }% \ inspect <expression>; D X% ^, U, p' j( l# r
when <constant_list> then& O% B: W; T V) D
<statement sequence1>;
3 S+ i# N0 B9 h when <constant_list> then0 n' O5 r* p3 l% h. v& {$ \
<statement sequence2>;
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else$ f+ d* F& _3 H# ^) Y& x+ A
<statement sequence3>;
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2循环语句
/ B2 _6 R1 u+ l# X% v (1) from <statement sequence1>
/ t% S1 p8 e W1 p7 a# {+ i, ~. ` until <condition> loop9 P8 Z. g, ~3 g% }8 Q8 Z: d, j
<statement sequence2>;
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(2) while <condition> loop" r1 Y1 Z/ y7 E
<statement sequence1>;
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(3) repeat
3 |! r$ \8 {2 ~9 T <statement sequence1>;
! {& h" ~6 a% A- s B# W" V7 O until <condition>;
* a# F9 p, } |& X (4) for <condition> to <condition> loop) l) [- @) i+ w
<statement sequence1>; F( |$ @+ w4 S6 v' ~$ _* @" s! b
next;
" ], R! F d) ` J" g; s+ l3中断语句+ Q: ?0 }* A# {$ }3 M( @: Z
waituntil <condition> prio <integer expression>;
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* c. w$ w) x7 S& X; s以上为常用的函数！
, J1 \' j2 e7 u4 U+ M; J$ f还有很多，如有需要我把资料发到你邮箱里 9 v0 W, c( g' Q) e" q
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