|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句" J+ P1 B# s5 G( |4 y H! P" ]2 X
if <condition> then
; H; o; t) [# [0 X/ c/ A <statement sequence1>;
" B1 p* F5 K% x" Y elseif <condition> then' h* ?# m+ g# e q
<statement sequence2>;
! ~# e) L$ |8 b* _ q1 a else . N3 ]( |2 B- {. }- f. a" L! X4 d
<statement sequence3>;
; U; ^" O5 j+ o8 d6 O end;2 T5 j: o' p3 x$ G: M* y: E
如果分支比较多，用：
/ U; A% ^. ]. K" U inspect <expression>
" c" B, o* v& n1 S8 u9 j when <constant_list> then
# N& ~3 E" b# A& ]- J; _2 l4 @ <statement sequence1>;
8 Y$ |. @5 {7 c! }5 ^ when <constant_list> then+ q, }9 f, I# i; G+ ]6 j/ }
<statement sequence2>;
; u, J) n0 z9 l8 E$ I9 b .... |0 {7 X5 T+ {* W6 |
else4 F" ^9 P6 P8 Z5 g
<statement sequence3>;
3 p% z9 O* H8 z; d1 Z8 Dend;: a) V) k! g* r+ P! C
' @" [' K( r- J2 x1 E- t* B
2循环语句0 r$ j' R, ^) k7 [" u
(1) from <statement sequence1>: E2 W, A# K/ H; w5 }
until <condition> loop! T& k7 p( B4 @9 Z
<statement sequence2>;
; g) ?* K4 Y/ ]+ q end;
. Q" x; r7 ]9 ~8 G- l9 \* Y2 b (2) while <condition> loop; _3 y1 J5 T8 _' s0 i3 o
<statement sequence1>;. @) t4 _# \7 G
end;
' P" f/ p# [. w I, K; a (3) repeat
! c5 J( S8 e: I- v6 E- F <statement sequence1>;0 _- s8 z4 D# S% m4 U2 e
until <condition>;
! s/ Z( j' Q, d c& Y- L (4) for <condition> to <condition> loop+ @, V% i" C1 k2 l9 z( _! F
<statement sequence1>;0 O* x, E0 N2 ]( ~8 w$ a( \3 A
next;
# K: x/ s1 }2 ^% E3中断语句$ ?9 W; j5 T; [
waituntil <condition> prio <integer expression>;
9 T* W+ k% S( z u" J }0 P$ k: L1 Q) m* J# K" P
. @: a; p; [3 E
以上为常用的函数！0 G/ \# `$ f* p: N2 Q9 r) g) n2 s
还有很多，如有需要我把资料发到你邮箱里
$ s, S5 c L. r2 p9 B. S
8 i$ J* c/ Q0 f$ [ w* O- I+ b, }; M" N: j
, |. P V6 }, ?$ ?- a! @' [ P2 I ) |& \% a8 O8 v4 C5 J( t
5 o v; u) l4 I9 A
) O4 [& X2 t3 Y4 F9 Y; ]9 D! m& N8 A4 Q
. ~; O6 t3 {/ C/ ?& H/ b( X7 R8 a( J S4 U2 b+ `7 g/ f
$ ], x% N2 a0 j7 n
|
|
[复制链接]
