|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
/ j: t, p8 q& f: Y' E3 M) w if <condition> then9 H: w% r0 X8 ]/ q( E/ ?
<statement sequence1>;& m) \% j: y6 |
elseif <condition> then
# ~. u/ u4 A( K7 w. R. f <statement sequence2>;
0 k1 w" V6 \4 f$ b# ?8 ? else
5 y7 x: w! m* \1 L4 Q+ Q <statement sequence3>;' H# W# ? u% Z4 n$ F4 }) p
end;4 k' B0 c. B8 S/ Z
如果分支比较多，用：; q$ `! w! T, U5 m U2 \4 }
inspect <expression>
+ h% Q$ S5 O# k+ F) Y when <constant_list> then3 b6 t2 v4 r& U( [: d3 Q
<statement sequence1>;% w* X' P/ i H+ l
when <constant_list> then
3 ]7 u( F7 Z& E; S! }2 p$ s5 K <statement sequence2>;
+ N% v% J# j2 V- q2 K5 N ...
* G `, q" v5 b8 @+ y4 ? else7 X5 v0 M0 Q: }2 z
<statement sequence3>;
5 G2 q7 K/ J( `0 hend;9 u7 r. d( E+ t# F6 p: t
2 }7 t& }/ n) ?% ?2循环语句1 Q0 q7 Z/ R7 p& z7 \" U6 F* p* [
(1) from <statement sequence1>
# x* L) W! q) p* Z* D" l. ? until <condition> loop
: K3 a) \: d0 z$ { x4 H& u' l <statement sequence2>;; u8 p+ G" k- E4 x" K0 \6 Q
end;- e6 J$ Z, W) F1 X4 c
(2) while <condition> loop9 G, I4 d1 Z; [. h! K, T
<statement sequence1>;
3 P2 _ N. C# {1 h; { end;# o- E: E4 M8 f9 H+ w5 h
(3) repeat 1 i3 k N) M$ K8 l
<statement sequence1>;6 T) u3 ^5 ?( U" ~: m! N
until <condition>;
" T( J `4 L/ E (4) for <condition> to <condition> loop
2 d$ {* c& H" h9 S6 ` <statement sequence1>;! e7 c& a) E. A5 U$ N' `8 o
next;9 j) U3 h! B/ h( L
3中断语句
$ y \* R5 V. c7 U) \" |( M4 w waituntil <condition> prio <integer expression>;
X" h$ @& o, [2 N" r+ y8 z9 u" b8 \. C/ [$ [
L* w5 I$ U! k7 \+ M以上为常用的函数！9 H" C+ E W$ m X% I. P& N
还有很多，如有需要我把资料发到你邮箱里
9 ]( w' U; g1 d0 l* o2 ^3 S/ [* d) e
6 ]' d: F* X" ]% z
3 K, l+ Q: s! I
9 C* A' X: }+ ?
4 d) k6 K/ _7 t
! l% b) e6 ~8 P0 [" y" K
# J1 q+ @ W- S9 Q3 u4 {0 q# f5 I
3 b! F' }7 ?3 g- e+ D4 A3 n& t / M& A! @- h7 s0 h! s2 Y
|
|
[复制链接]
