|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
v$ S8 S# @# l' S8 p8 |9 { if <condition> then
0 j& T! B8 k* {" S$ M* { <statement sequence1>;" p( S2 |! B. E2 T4 ^9 M5 k( ]7 N- v
elseif <condition> then
9 @+ E& h% b5 q1 ]5 n <statement sequence2>;! I- c4 H) M% ?1 a# k V8 D* j
else
# K1 g5 J4 u) Q& U6 u) K2 d <statement sequence3>;. c: P# @- Y4 G$ z8 |
end;
6 R% p4 ~; E9 x d8 f5 R3 }* E如果分支比较多，用：6 x P: Y8 _, N( l4 X( |
inspect <expression>! a2 p- }! ]0 K5 f
when <constant_list> then
% Q# V% V- x! V; ]5 j <statement sequence1>;8 D7 Y; d: {+ b; K( W4 U# s
when <constant_list> then
' o, m" F/ X+ A8 y4 d <statement sequence2>;
/ U0 }3 E. V6 x. B ...! K$ s. ?; Q9 t/ d4 ]
else
( `( I' _% {4 z8 a0 F5 A <statement sequence3>;
. f, p5 |" v+ i4 pend;
' S; i# Q- A- \
, f* q2 H7 T0 b- z! p/ X- h2循环语句
) H" B0 [$ I5 Q (1) from <statement sequence1># K) U( _" M( T" Z) K- i
until <condition> loop
/ |2 w, |& \' B7 A- } <statement sequence2>;% v" \6 A M% U9 S( N
end;
! n% z, g9 p; E! H (2) while <condition> loop
2 F+ o# z3 e* ^! h+ e <statement sequence1>;. Z0 n; `3 J( [! D: p, \ ~; m- ?
end;
! {$ g6 T* h. N4 m (3) repeat ' C8 w4 J* ]8 r0 f4 H$ O
<statement sequence1>;& O: ^9 d) W0 u. u( K3 g
until <condition>;
7 A! v3 ~6 k/ }# z (4) for <condition> to <condition> loop
" Z0 r" B, U: Y# Y1 S O& U- v/ g! E <statement sequence1>;/ U: }5 F8 K, [/ V: L1 S; c
next;
, Q/ Z6 @6 G1 m3中断语句0 y" G% L ?" K2 g
waituntil <condition> prio <integer expression>;! A9 K7 a. k) K5 U# Z" x3 F9 E
: }- ]3 D( _# z5 m
( [+ O8 k$ p9 f1 i$ p
以上为常用的函数！
/ d/ O& r I/ q" ]: N+ ]+ Y还有很多，如有需要我把资料发到你邮箱里 ! q! G2 o2 V( r# u/ D
* A1 Q# [) W7 g1 |9 I, d! J# Z
, \' O/ \% }; K* W* l) E) S/ `
" O) _" O6 @" k% u$ h
3 o' I+ X" b4 ^6 F3 n9 P3 M2 o8 e! L, d3 C8 k' R
! a) q/ b' N m* g+ w% \. s
- R. t* [% M6 Z. w, b+ ?4 q" s- y, K+ b" D8 Y
% I! `( G7 h9 p; h0 H r' N# Z# A% E1 ~' C1 t
|
|
[复制链接]
