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发表于 2012-11-13 08:48:12
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1判断语句
! D: Q7 u# {8 |! `& E" [ if <condition> then
3 i8 _, z1 z2 e: ?! R$ J: J <statement sequence1>;
) ?' X2 f7 ~3 }3 j* C+ H6 ~ elseif <condition> then9 N2 ?. R$ W1 v4 V7 d& L2 Q: q
<statement sequence2>;
: A/ F- ^1 @, b/ E. g else
7 W3 _6 r1 R( ^$ o7 N' ~ <statement sequence3>;8 _8 m& j5 B4 b; _: j8 @5 {4 S
end;
1 [7 U' l9 B# W如果分支比较多，用：+ W- K# R" |% z0 S8 K5 J" s: S) m
inspect <expression>
$ a! y/ f6 \2 `" ^7 Q when <constant_list> then3 W# r* x4 ~+ I5 _/ t( q" d
<statement sequence1>;/ }& O4 V) q! N
when <constant_list> then
+ ~6 F1 V3 W7 a/ B9 d" C% B <statement sequence2>;
$ k/ ]$ b9 T- S0 _ ...
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<statement sequence3>;" P9 M. I+ @' D( {1 k8 i
end;9 U, q/ t2 }7 l7 l- s
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2循环语句8 f1 B% n; l8 }" v
(1) from <statement sequence1>$ V7 S2 z: w/ I/ x4 t/ ?
until <condition> loop
2 o# q( M7 ^+ K/ @ <statement sequence2>;* k, Y9 F: n$ z8 l* h
end;( t7 M+ _& y. c( o
(2) while <condition> loop
& S+ u3 s! z6 }; y! s <statement sequence1>;) @; j7 V3 Z- r) L: l0 Y& c1 p
end;7 k# |% f; D+ o5 v8 o
(3) repeat
4 r2 m0 c, V- r5 b3 u! U <statement sequence1>;
R) w* o+ u: i' x until <condition>; y8 j% F5 R( S, Y& r
(4) for <condition> to <condition> loop1 k" m$ j! s/ S& v# @
<statement sequence1>;
" B/ a2 X/ r4 w5 g, M next;
( Y+ a5 Y! V* ~ {3中断语句
j+ T Q# V* V% G% p1 }5 r' m0 k waituntil <condition> prio <integer expression>;
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以上为常用的函数！
3 S: i' v& K1 W1 R; S% r还有很多，如有需要我把资料发到你邮箱里
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