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发表于 2012-11-13 08:48:12
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1判断语句
9 U8 k6 j' a6 L if <condition> then2 C/ v7 _# G. w( d6 D1 H0 R
<statement sequence1>;
. E- h9 w* a% {4 N0 l7 N, [5 E& u! t# A elseif <condition> then( c" e4 F( x- q) T2 p5 t4 U
<statement sequence2>;6 ^9 u) X0 ^. w/ G2 k7 ^% p* J
else 1 C9 K V8 u1 _3 l. D
<statement sequence3>;
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如果分支比较多，用：
: m6 P* p9 X8 a% K& q inspect <expression>
! u+ F7 J6 ~( k3 Y4 C V0 p2 \ when <constant_list> then9 H+ T) X2 U J2 h0 m; e' M: q
<statement sequence1>;
4 U- B* ~' s+ L6 N2 T, P+ _: A when <constant_list> then8 C7 z0 x9 g) A/ O8 y' D& C
<statement sequence2>;
& Z$ o4 t6 Z9 `0 P6 n ...
4 G5 P; z5 t3 y% X+ a, g else e+ y; D( h, z( B% u3 F2 d
<statement sequence3>;
( k$ X3 w! ] I4 k2 m3 Zend;
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, o. M: z& l# G2循环语句
3 r6 E8 h; N2 d% K8 Z6 b( z9 J' n (1) from <statement sequence1>
0 T5 h6 w3 w% f! \ until <condition> loop% X5 O6 M! ^& M. L: @4 k: }# |, _9 @
<statement sequence2>;
. X _& \& P# f' \% I" e end;7 Y9 h% M4 r- @) d* k* S
(2) while <condition> loop
+ L0 [* q) q- r <statement sequence1>;
5 v8 h, Q7 S' Z9 {. f: A7 E8 o; | end;
! K2 u P: [: T (3) repeat
2 N4 H5 i) l9 R$ X) t5 F2 J$ A# S <statement sequence1>;
: l/ }4 W1 c2 `& s until <condition>;
`8 r- p* n; `4 F; D (4) for <condition> to <condition> loop
7 t" Q% M$ G. c& F6 K7 T2 Q <statement sequence1>;
4 R; x0 B3 o7 l* G [ next;
0 C- R4 f: [; k! W$ s3中断语句, l& n" _1 e- p# D% N% S3 e
waituntil <condition> prio <integer expression>;+ H7 L5 O8 t# o
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以上为常用的函数！9 W' L% ~+ O8 q) [4 {' q/ k
还有很多，如有需要我把资料发到你邮箱里 ( J. e) d6 W6 y ], i* h
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