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发表于 2012-11-13 08:48:12
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1判断语句
: K. p5 O$ u; k( e d if <condition> then
8 j; q! c7 H& c, w. C, } <statement sequence1>;7 f2 l" {* }3 M' E
elseif <condition> then
6 y# I# R% L' R+ w |0 |4 {% k <statement sequence2>;
! [) q2 a( p$ |3 \; p' @" J else
# L: H H0 k: t. K |# v. P <statement sequence3>;
+ N9 k/ ~7 e1 K- ~+ a5 `8 P end;
. d7 E( W; ^6 X3 c如果分支比较多，用：
9 N1 X0 S j0 H$ A inspect <expression>
& Z1 t+ n* A, i% ^% } when <constant_list> then
4 m6 _3 @9 r1 o# q <statement sequence1>;' t" y0 M7 x7 L( d3 N; f2 T; t
when <constant_list> then
8 u. y# M( c8 |* h; Y/ b. }- \ <statement sequence2>;7 V# L6 m* b b2 G3 l7 ~# V
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else7 J7 f2 \8 J# x$ E# {+ z
<statement sequence3>;- o$ A) \: T) ~8 c2 r/ D4 |
end;. K' Q4 J1 r4 H5 h! x, Y5 x5 ]" i8 c
h+ D( q% f2 o$ h* M1 X2循环语句
8 Q! o1 x$ M# I/ k4 k (1) from <statement sequence1>& A- ^" S* v' }9 R a9 y
until <condition> loop
# E& x- Y* P2 }1 ^ |2 }/ B <statement sequence2>;
; B5 ^ d& f8 T3 s end;
, y( |, i( g9 [; `# m (2) while <condition> loop
- B# N. U9 W/ Q <statement sequence1>;* n; @! B2 M5 m
end;
* t. |+ C& I+ K/ [5 e (3) repeat ) @1 U; L6 i! a
<statement sequence1>;5 Z0 Y8 {: ^! o# F, g; Z
until <condition>; g! v1 b! y. ]
(4) for <condition> to <condition> loop/ E# b9 e0 ^! Q2 J' Q# B1 e W
<statement sequence1>;% Y2 v' O7 e: A" X
next;
/ R, C9 Q, [, t+ t( T0 G3中断语句
$ M; t' l- G+ m, r2 b5 O waituntil <condition> prio <integer expression>;
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1 u& N5 s2 [7 s: g* ]以上为常用的函数！
* F. L. z0 a9 v4 V还有很多，如有需要我把资料发到你邮箱里
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