|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
. @+ g( s3 A/ e+ k; k% f* b8 w if <condition> then& Z' d5 V: m. r8 z ?4 \$ ]
<statement sequence1>;6 z2 i" o, o) W$ D3 M$ Q/ X
elseif <condition> then6 }8 I/ n/ |4 p% T. c; F* M! Q2 n( I
<statement sequence2>;
; Y) J1 ~( T" R9 A1 i& D+ \ else
- j3 T( u# C; z <statement sequence3>;
. N/ g1 K) }6 q end;
4 E1 w! m, K; P# w如果分支比较多,用:" q$ K, c% G8 X3 h
inspect <expression>% P3 U1 I5 E# y4 S, H7 q! `0 s8 A
when <constant_list> then/ K7 X) A* e, E" w$ m$ n) x; S" ~* r
<statement sequence1>;
7 @% J. P. K( X when <constant_list> then( f& F# o9 \4 q
<statement sequence2>;
$ K0 h$ S7 X; [* w5 q* m4 k) h! x ...0 S1 Y, @7 Q V( Q* i
else
2 x4 q9 c4 n" O% e3 I4 c: k/ v <statement sequence3>;/ ]: x( d5 T* X, x" J1 A }5 w
end;* ^/ b1 K0 z* k. w, k' [1 ~
& A. x/ G1 L N5 {7 ?
2循环语句6 _( b; m1 g7 y2 p
(1) from <statement sequence1>+ N; Q( Q( p8 T2 A, P( v
until <condition> loop
* k- v* z$ A: g, y& L% G <statement sequence2>;& C% w: y( i, P/ I
end;
1 q* j& {% y6 [3 G# K (2) while <condition> loop% q* ]. `) j( o+ i1 i/ {" Z
<statement sequence1>;
7 w* V$ U" U& ?7 _2 o! \ end;: N. G {$ i) Y+ Z! _3 y0 t) ^
(3) repeat ) J" w) E$ }# e0 U/ e/ Z0 H
<statement sequence1>;
4 j* A) }' H3 I( x7 _ until <condition>;
" i( ^0 y- k8 E1 } I (4) for <condition> to <condition> loop o- a. z+ f* i( l
<statement sequence1>;7 V7 F1 v2 }$ F3 M
next;3 p/ a, e, c9 s) _* R$ i
3中断语句
) a" S7 S4 u; C4 [, X) ? ? waituntil <condition> prio <integer expression>;
5 [4 K4 L+ c- H' Q" S2 X4 J) [
; Y9 n- v( H% U" J' N3 Q0 N$ x/ a9 X/ ?' l; x$ {/ D3 C. v' d
以上为常用的函数!+ [7 O# g, A5 {4 x/ {( {7 T
还有很多,如有需要我把资料发到你邮箱里
0 |5 `1 a! I! }& P! q$ W9 \% C/ w* |6 N3 f; M9 u
- |( F! q/ Y+ b6 i# K, r+ {
+ N7 B( H/ m% q$ b5 o
8 q& k1 g: p @- k8 A, S( a0 F
% G0 v/ o7 ? x" I; A: o" J% \" ?) _" s, a- s/ S
; y/ d* v5 Y/ f: G9 n9 E& O% B) a$ J7 m7 C9 |; m
3 _3 w* b" u1 [, h. D H6 m
* _; A6 R$ s+ X, q+ m" s |
|