|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句' Y" v2 D( h' W' r
if <condition> then
2 l% J8 O( L8 [. ]" T3 {' q) Z <statement sequence1>;. F1 |! ?& b& ^ w# ?& @
elseif <condition> then; |* H6 u4 Y8 q# N
<statement sequence2>;
9 g1 @) M6 S Y. x4 v8 ^- t else
! h }$ h7 o `1 I/ ? <statement sequence3>;3 l: H% w Z) F% ~/ Z ^. I
end;6 V" K+ b9 i1 Q+ S. ~- A! V
如果分支比较多，用：
5 \+ u1 w3 P( S) q inspect <expression>5 b! U2 H$ P$ o8 n6 h/ I; ^
when <constant_list> then& ^- d5 d& l! W; x1 Z1 O! N
<statement sequence1>;0 ~( C! y, W. |& W
when <constant_list> then
* W8 s. a8 ^1 w3 y0 T& Z3 z' c <statement sequence2>;6 X1 P2 W% k( A$ W. S3 u
..." [3 n# f( G3 L( i
else
2 w, [; V! N8 U* z0 Y" f. w% c8 M9 y <statement sequence3>;4 s/ X% t6 {1 j- b* K3 X8 r, B* z9 w4 S
end;* Q& r7 P* e5 G0 U( |2 `
* s* c4 s; N2 U- I6 H2循环语句. w, a3 u j. l
(1) from <statement sequence1>
n9 a( j* D* u1 Z$ ^9 a until <condition> loop: Z+ a) T3 X( G
<statement sequence2>;& _' _3 A* d+ S1 k8 P+ d% l
end;
7 [' u* U; p( e1 v& s (2) while <condition> loop1 A% X/ e! N# c/ B, [8 O0 z
<statement sequence1>;8 N* D8 ?* q; B: M" c" ~
end;2 _: ~0 p) M: J4 Z4 z3 z1 k6 S
(3) repeat 3 n8 A* _5 k& ]" z: Z, b& C
<statement sequence1>;
+ L+ n V6 B1 U, b4 T# J* t6 K until <condition>;* q* a3 T( k; O* N; H0 e8 R+ H
(4) for <condition> to <condition> loop
8 |# q( l; ^ D* E; U. L' Z1 j <statement sequence1>;' l0 X ]1 c9 }- ?, S
next;0 a2 A, s6 C2 L. g6 c% B4 d
3中断语句
+ v0 \' U+ ~% p0 {# w6 {0 D waituntil <condition> prio <integer expression>;; e8 {( g+ b! V
& T" b6 v4 p% w: X7 w# S. b5 y6 x6 H& f! p. {7 ^
以上为常用的函数！& b& H6 z& P* Z! ~
还有很多，如有需要我把资料发到你邮箱里
# Y0 I# Q0 } [' q! q; \; c+ h
) m8 D, n& K8 D6 n
4 R F. m0 x# e3 ~/ m9 Y2 E
: r9 S; T. H, S: H+ {$ u0 y0 w + X% P0 M! `+ i+ x* o
{0 v5 F0 P* X3 Z9 h- `8 s; [( N! D' s
* K' @' u0 H& T# H
4 H( C: y4 L5 N, I, Z8 p8 K
4 Q7 B8 X% A3 h. @1 Z
/ i9 x1 m @/ M5 g6 N7 Y |
|
[复制链接]
