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发表于 2012-11-13 08:48:12
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1判断语句
! I4 o1 g/ P& L! }( }( O+ l* c. h, U if <condition> then8 M, p O9 s3 n8 p6 L6 ?3 q
<statement sequence1>;7 C( ^9 \" m- q- ^0 _8 {1 N
elseif <condition> then
$ Y2 y! Y$ d5 L$ B* a <statement sequence2>;
& x* M Y: _& ~# c else 2 j( ^. l/ m1 U# S$ c N
<statement sequence3>;
% J. |; f* C# O: t# ^# w end;
6 E7 J! h+ A3 y h. ~( n如果分支比较多，用：
8 s/ h8 r; e" c, }# G& A inspect <expression>; q* a9 ]5 J7 ], f# `$ D& ~
when <constant_list> then4 v( D6 v9 j4 @0 k# z$ V. L% x
<statement sequence1>;+ n9 l. i. B/ n
when <constant_list> then u; T0 g3 t2 M$ f
<statement sequence2>;
+ z0 n5 R1 M$ n- L/ U ...
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<statement sequence3>;
# ]0 J" i+ ~& xend;# K# N* \, _0 c2 J* `0 Z9 y& c
$ ?! ~9 n1 H3 ]7 Z2循环语句
4 l, k5 O" j! |/ F- x (1) from <statement sequence1>6 @6 g; n" g& j
until <condition> loop
) u( r+ n& R4 \4 R0 A <statement sequence2>;0 {9 w) h* H: U' g2 Z, j
end;+ c! |9 `1 t0 T/ g1 s
(2) while <condition> loop
) c% I6 o' T A. C5 b <statement sequence1>;
$ |- I- Y) Y3 A1 I4 F! \( g) d3 e end;
1 R% |" |: ~- m: ^& o. c (3) repeat % H6 e9 `* R; X, i+ E
<statement sequence1>;
9 L# L/ @- U7 P9 `, d$ j0 ^ until <condition>;
4 g/ U0 u8 }' A (4) for <condition> to <condition> loop
9 C+ @+ h" ?% o1 n# u1 r <statement sequence1>;4 k- J/ M- }/ i/ m8 W3 |5 `1 P
next;
, B u6 A$ f& W+ P3中断语句
1 c* W/ N0 V* {9 ` waituntil <condition> prio <integer expression>;
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以上为常用的函数！. \; A' C6 }( L6 I
还有很多，如有需要我把资料发到你邮箱里
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