|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句6 S# M6 U! g1 ~
if <condition> then- H; n( J9 B( ~5 }
<statement sequence1>; r+ Z; }9 I- G# f$ z+ J) `
elseif <condition> then
' @. U" v& i# e) [ <statement sequence2>;
J' l4 J# x+ c' ^8 f else 8 m* d2 M- z4 h
<statement sequence3>;
, D% i4 r4 a! ~( \* g end;( W& p$ g ~. Y+ o; G b3 x
如果分支比较多，用：
0 l6 Z1 C, w# Q: | inspect <expression>: w4 V; a5 x( L; j. a
when <constant_list> then
9 v z* z9 Y$ x; Z2 x <statement sequence1>;
+ v: E2 m3 X& l2 k9 G when <constant_list> then, L( `/ O/ _' g5 ?* I
<statement sequence2>;% ^7 K) a% W3 j/ s' _
...
7 R1 P) a; M# y( |7 k else
7 b/ p; n( ?; C' Z' o! m' k- f- |+ j2 e <statement sequence3>;' A5 |* `( C! s) Q z' l
end;/ D! m! d* B+ J K
; F, `- O5 u, @) }+ ?2循环语句
7 \1 D+ s1 O( b3 S (1) from <statement sequence1>( c' _+ v( N! \6 H p
until <condition> loop; a" g0 V: k' M5 L! ]
<statement sequence2>;# V% Y" R$ G$ P4 u. {) f
end;
& m$ ?+ w* k9 A. B7 w7 O4 X+ Y2 b- B W (2) while <condition> loop2 o" I6 W0 c, q
<statement sequence1>;
, D6 P3 t A' b8 A% I1 e end;
' A. g& o8 v$ I9 {. C1 I3 l (3) repeat ( k) s$ R- |3 i+ Z1 p" K
<statement sequence1>;
4 U5 j, j- @2 I$ Q0 Q8 i- u until <condition>;' c& |7 B- v- j. z1 E
(4) for <condition> to <condition> loop, }3 R" Q6 a' \ L/ y- N* o- ]
<statement sequence1>;
0 r+ @! F! N9 g next;' a4 L7 I/ Z1 W6 Z: M- u3 g V
3中断语句0 P; t; o2 f! p# u! T
waituntil <condition> prio <integer expression>;
! m, g; s$ y3 D
1 Y% g1 I6 } k1 V+ Q, B# [1 ]; H7 U" q# o% ?% E0 x+ }& W& r; C
以上为常用的函数！
8 @& G1 k' v6 m还有很多，如有需要我把资料发到你邮箱里
1 D2 f6 b. C. n+ [. w# V# z
! [6 \0 y' U2 n. `
l! Z" i3 K F: ]- w2 f8 s4 t) m3 `- S! @
7 y9 X9 z i: l9 \/ S/ H. m3 p, t+ w1 Q# ~ @& R+ ]: h' w
8 Q# ?& g R5 a; Y, Y
K) t% F& }3 V
* O4 g4 ?2 n+ M+ e# d" N
0 h7 V7 ]: z, t. s- Y; f, H6 R3 I9 I 0 _9 {% M0 q: f3 U
|
|
[复制链接]
