|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
9 Q' ?4 t& ?+ v" i4 \5 |7 n if <condition> then
4 Z( x4 H, A6 _* o5 s( F$ E <statement sequence1>;
; C( d) G" Z$ R h5 O elseif <condition> then
) i+ H, L* P* u' ~. q <statement sequence2>;
: [* g- ]6 q" I: `$ j2 G else
+ v! a. m5 T8 s2 [! {; g <statement sequence3>;
% q/ z. L9 J6 H @4 Z- @( K2 ^, Z end;
; h+ C, S8 I9 h ~/ V" l如果分支比较多，用：
0 G/ ]8 k8 a& g9 m# w% z& |4 t inspect <expression>3 ]2 T0 f! b1 W( t
when <constant_list> then
! {5 N) b9 x# X* q <statement sequence1>;
4 v& s. [4 M) {1 P7 _2 l when <constant_list> then
! a' i6 h! _2 ?% }. x2 p6 L, f3 B <statement sequence2>;- f* }/ E$ x7 K" b0 V/ U* S
..." h" g% H( {* V8 j2 b, C0 e
else: Z {# S- f. j H8 H+ u3 y+ m
<statement sequence3>;/ ], W% k& z9 w. h- `( j9 g
end;6 \( A q$ I" \1 {' b4 L+ x' @$ Z
9 g6 C0 j, a( a( b2 `- a
2循环语句
+ J4 j" B# d( c (1) from <statement sequence1>
3 q0 o- \2 V. S) N% c until <condition> loop
+ \& t* T+ X4 C8 ^% k <statement sequence2>;& W# m8 {/ b& Y' A" ]' W( t
end;
/ c* W; v: y/ G4 R9 }- Q (2) while <condition> loop
! S. q4 q9 a: t <statement sequence1>;1 u3 K. r# c0 l! W Z/ z, I1 a
end;
( Q- P: z% @5 j2 s% A3 S$ T (3) repeat
& n5 A# f# A' f, r$ m0 M <statement sequence1>;
. p0 l; t8 h- E0 v5 u until <condition>;' m8 u' P& Z; Z1 B" q" x% h
(4) for <condition> to <condition> loop& i- H0 Y0 u* m8 t
<statement sequence1>;
+ }# w& }% Q1 X% ~- ?( b next;7 d% ?0 r. I% I7 }5 M' D
3中断语句
& A+ F3 m2 I- z, S% ` waituntil <condition> prio <integer expression>;
; ?2 V+ f& g7 R }) y6 ~" W7 v5 k; Z% n7 n
: H% d v x3 g, o
以上为常用的函数！
; R3 e- z3 [) Q9 D- q' A4 \还有很多，如有需要我把资料发到你邮箱里 1 F: |' s, k) _6 T- K
/ P6 I0 l9 ^. G b9 u: {4 |
7 z# D8 O! v; u* o% {
; j9 X- L$ B& H- D
~9 {% m J/ S6 I0 F8 J
5 }& G6 j9 R$ ]. s% e* l# {
" J$ X* P( \6 U( z2 q" b
1 { j3 p) E' u' p1 n
& Q0 q6 W0 N& I4 J- h$ v4 ~* v) L
5 `3 K2 @( n8 j |
|
[复制链接]
