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发表于 2012-11-13 08:48:12
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1判断语句
" `+ N: g! o/ c if <condition> then% e8 x+ V* Z- B6 T2 z7 S
<statement sequence1>;9 y0 d: I$ C( H/ ^) w- k3 G& i
elseif <condition> then
4 H- F. P& X% O) R& u A <statement sequence2>;/ k& b. t* x/ A/ p# @1 |
else , A5 E9 t& z. a" d( Q
<statement sequence3>;) Y) O _0 E# s- _9 K% }+ S) \
end;
+ n% e; J9 ^. ]如果分支比较多，用：
& L# R8 |1 o5 p0 U9 G( D4 J8 n inspect <expression>
3 q# D8 N2 z9 {* Z1 w: v, K when <constant_list> then X0 Y- h p- o' @. p
<statement sequence1>;, Y. o1 J; J; R# t ?
when <constant_list> then/ m& \; _9 G7 V( v6 \* Y
<statement sequence2>;1 N! q( n: k% [7 K
...: R" t, x7 U( P/ X
else
- d- W7 v8 q- B: e9 p2 g <statement sequence3>;1 V9 {( ?) [1 T* L
end;- Z% W+ a7 [6 j& z5 x6 X
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2循环语句3 x$ R2 ^) x5 [+ C( c+ H3 b8 ]+ l
(1) from <statement sequence1>. \3 v7 @5 R+ z( M8 r; ]
until <condition> loop
& m+ a6 X$ M% X& t3 L* \ <statement sequence2>;
$ `( C# K+ F; A: P. z end;
8 {* N8 j K4 t (2) while <condition> loop5 m! \( A# _1 ?8 O! t; q
<statement sequence1>;
$ Z+ C9 E1 B! J5 D4 w4 ` end;4 s3 |8 i }) D
(3) repeat / S F% m! a" g1 t
<statement sequence1>;
1 P: `6 g' N+ _ [' [5 v( ` until <condition>;3 z% ~. R8 @' W6 m# R
(4) for <condition> to <condition> loop5 s$ [, `- @+ ~& Q, p' h3 e
<statement sequence1>;& n+ I! L* g/ v0 B4 H; ?
next;
6 z! x7 `0 g; X3中断语句
8 O) ]+ ^1 n, l. w2 K waituntil <condition> prio <integer expression>;
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u* ~. c7 |2 Y/ }: A' _5 k# V7 @) _4 q
以上为常用的函数！0 Y: C+ e3 t9 f' S
还有很多，如有需要我把资料发到你邮箱里
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