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发表于 2012-11-13 08:48:12
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1判断语句2 A( L" \0 `% q7 T" k$ q' v/ j
if <condition> then
% Q% T/ c# C5 G <statement sequence1>;
7 s! s, ?% `4 J/ K5 s elseif <condition> then
+ U/ h6 J& T, J* u <statement sequence2>;1 W+ D9 Z5 q! _2 |) [
else
* K1 s8 ~$ d. t6 ?) b <statement sequence3>;8 ^* {: M) R! I4 [! Y3 a4 U
end;# k h0 b) }7 \; s' e
如果分支比较多，用：
0 ]4 \ C. H# u# L' \0 I inspect <expression>% ?+ v+ l9 M; k
when <constant_list> then. U& C. E( b% Z: P; _: z$ g0 D1 p
<statement sequence1>;. _0 ] F0 A/ e/ C F( ~+ |" Q! b
when <constant_list> then
3 F6 j! F2 e6 B1 J& F <statement sequence2>;" |6 V1 Z( n2 Z$ n
...1 p+ y7 ~/ {' n& V2 F1 a
else7 J- U' m0 a# ?. f8 @, r6 L8 T
<statement sequence3>;
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1 o0 w" {) Y) Y. Q3 M1 @: _, n$ g2循环语句
5 y1 X6 x. g6 U* `% C1 V (1) from <statement sequence1>
9 G; z$ F n& U* k/ f: r until <condition> loop" T( G. @- g% e z
<statement sequence2>;/ }& |% G- z+ N4 U
end; N8 `' d. e$ f% k$ C* e% @- R
(2) while <condition> loop P% ~7 Z7 [) h5 S4 V; B) I
<statement sequence1>;
' Z- w; v# a( f1 W" O4 E end;+ G- o/ B2 W8 e$ V9 E. b
(3) repeat
+ J/ t2 j5 L5 `3 k! h( e! T) p6 K <statement sequence1>;
0 l; N4 x/ H ^# ]1 B until <condition>;
# h% V. j% }0 \8 } (4) for <condition> to <condition> loop3 y3 h1 q7 \ Y
<statement sequence1>;2 r8 B: S8 B" P+ Z- d j( W7 I
next;
' y1 }8 N# q4 w' `8 h7 T1 S3中断语句
' Z8 ]. V; |. j, i; t; B waituntil <condition> prio <integer expression>;, G8 t' v- [$ v! p8 `
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1 U7 j: n8 L/ e% G9 W以上为常用的函数！7 R' Z! \" r( }# w/ G
还有很多，如有需要我把资料发到你邮箱里
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