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发表于 2012-11-13 08:48:12
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1判断语句4 d$ Q7 _4 \3 W! V' X% p% g4 I5 m
if <condition> then0 H( s% g) l4 h! _
<statement sequence1>;2 U( k1 g8 t. g: s" C6 G
elseif <condition> then
( p [! A8 u, T" X4 d3 W <statement sequence2>;
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<statement sequence3>;
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如果分支比较多，用：3 h7 c8 ~& u# t+ r* I1 V
inspect <expression>0 B0 |- P* n0 r, f
when <constant_list> then
3 E# ]* c S2 b6 q( o <statement sequence1>;' ?$ F# W- @7 v$ H1 W: Y
when <constant_list> then% A! z. C9 z& `
<statement sequence2>;
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; ]9 i8 }8 P+ g else
* M/ c. F' |2 v: Q2 a& v* P9 y <statement sequence3>;8 H' v, L+ W3 t4 f6 ~+ g+ m
end;
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2循环语句/ f% n/ W# H' z/ T
(1) from <statement sequence1>
" Y. U7 b: g$ P$ j7 y1 ] until <condition> loop
; V) A B/ Y* W5 K; f% ]) x <statement sequence2>;
0 p; O: Z# P9 A4 c2 e end;* R3 Z: _' C! m1 {& ?: ~& n
(2) while <condition> loop0 ?7 @: a1 k) m6 ~* \/ L
<statement sequence1>;8 ^% H& p6 Y" v4 N6 m
end;6 [% f* q4 T) o- ]: y
(3) repeat
1 P4 ~6 X" L Z& c <statement sequence1>;2 A" n' u! C. B
until <condition>;& i3 r0 c" H- Y
(4) for <condition> to <condition> loop
% l" }: X% o h {+ K9 @1 ~ <statement sequence1>;: w$ Y1 }9 t8 ?) C3 P
next;
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waituntil <condition> prio <integer expression>;
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5 R5 Z( p2 p- T. \以上为常用的函数！8 o. w- R. i: d( ?. W0 t
还有很多，如有需要我把资料发到你邮箱里
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