|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
+ k0 [2 l) `3 `( d3 Z: i' m if <condition> then/ { ^3 r# e1 t* @
<statement sequence1>;. m; _/ W; ]7 K" O5 c4 W/ u
elseif <condition> then; ^/ d: E( _7 F9 |; w
<statement sequence2>;, J! |; P) \" {+ P9 f$ Z' g
else / y* b, G: o, L# |$ e; c* G
<statement sequence3>;) {- U: [7 _( {3 [ K- m
end;. T. _ F/ l9 i0 I
如果分支比较多,用:; U: z; z7 J/ g: m0 S
inspect <expression>
1 Q3 P0 n9 ]% w: w# w" y# A when <constant_list> then/ o' j1 B; v4 c$ g0 X
<statement sequence1>;) L' X: o# y2 f6 c2 T
when <constant_list> then( ?. G- B2 u) Y4 G3 i
<statement sequence2>;: ~" y: y) O8 O9 U$ r/ p
...( l8 w( h9 B9 L0 c
else
3 w+ p- B! w. h9 ~% T0 \- B& | <statement sequence3>;
+ J( t. S1 {9 Gend;; n, J) J( Y4 n8 b0 d
$ d ~- |# J% d! L+ \: P+ ~ N
2循环语句2 f" b q, R1 U- }
(1) from <statement sequence1>& o( c, p* }* C" g& x1 Y+ g# Y
until <condition> loop: `1 B' v. ?! S) d% `: A
<statement sequence2>;! e3 t; A! x! e, f$ K! q. w! |' |
end;! m2 y, |) s+ K! V- a8 R, D3 Q8 H
(2) while <condition> loop6 F3 V) R2 [5 [5 }' ]. B
<statement sequence1>;# A! t+ O9 _) D1 _
end;
' R& G; r3 h% I7 V9 ?' M( R8 R (3) repeat 8 `: W, j; m" }, x* G. N
<statement sequence1>;; C4 a! |4 m) G o- l
until <condition>;
# F' D O$ Z5 ~$ y5 s9 g, `; t (4) for <condition> to <condition> loop
& @+ `: _. ^" g; T# m <statement sequence1>;# E4 T4 K, m; y5 R, P7 ~
next;3 d5 V* n! D) K3 \" q7 `" l
3中断语句9 Y" N. `0 a& y" G$ v* O
waituntil <condition> prio <integer expression>; J4 _% J& h# f4 U; ~
, b" c' h: }2 u# m% [) b
+ ]* O2 z% d* r+ P0 ?2 \以上为常用的函数!! s4 z3 f" w. B* w* q
还有很多,如有需要我把资料发到你邮箱里 3 D8 z) F3 U( F( V9 u# B
; X6 Q% d) b s
' Q) b9 ?" a! ]2 G( }
2 z# w7 h& N2 j# J
( V" h1 E9 ]6 v" f8 F* q0 q
* r( `6 r: L+ ]5 p4 N/ L3 P; ]# K- m& v# @! u* n& Y: @
0 l' I9 Q' f9 [
% a" l3 X8 }+ l I6 V
/ J0 Q- A9 Q) r
9 b7 Y- N `9 I+ o$ z |
|