|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句8 B. ` z- T* ?( u/ y
if <condition> then
1 B4 y: i5 c. o* n' x7 I <statement sequence1>;8 Z* ^; m. ^$ o2 p8 E# h3 s" T" _9 E
elseif <condition> then: a$ @- B9 W& R3 n# o( y% K
<statement sequence2>;
/ m" w1 Q, `0 J" d else $ p- h1 D+ n9 d- z7 P
<statement sequence3>;
9 R& r6 L9 T% \: ?: c+ t% ~3 P end;6 ?1 a. k8 U! ~) D
如果分支比较多,用:
p7 }. S' Z* n, `6 f inspect <expression>/ c/ E' f1 y2 [1 M$ l
when <constant_list> then# s+ m+ H5 n, S4 s. w
<statement sequence1>;) `4 B) U u6 e4 Q5 h% f4 m
when <constant_list> then
+ \- I. {9 K5 x9 x( |+ o1 V <statement sequence2>;; |1 ]- i; @! c5 }: L
...; |4 [5 V. @( c+ L6 P2 s
else; Z( {7 J' P6 p. Q3 w
<statement sequence3>;
$ b s B+ o4 N4 w# a) Fend;
n/ z; p& K9 }3 A; h: F9 G5 m* O8 a+ E Y) ], C' u" O3 e, M2 Y5 ^* ?
2循环语句
) Q1 l; y' A9 X) |2 W (1) from <statement sequence1>$ I+ f# ?4 D6 ]! y" l$ @
until <condition> loop
3 r5 A: x5 }# z3 d. t <statement sequence2>;" y3 s3 X7 i$ }( z! C G5 q
end;
& P$ l3 G& M5 k l* X: E (2) while <condition> loop
% Q/ T. ?, J; @; ^$ e <statement sequence1>;) J' n5 }! u8 A3 j
end;
# E/ v. X3 t2 L3 {' k L (3) repeat
1 n* d* ?8 _# l3 i% t6 z <statement sequence1>;
m V3 ^, w; D- K. t c- a until <condition>;+ q7 y/ i! N' ?9 x! u3 D$ b
(4) for <condition> to <condition> loop2 D8 ^9 m* r; Z( M7 D7 D Z
<statement sequence1>;
; Z, o% }8 J. \ next;, T- }) r1 t7 T$ T" f- S
3中断语句! S7 r( U" a4 v4 k# y
waituntil <condition> prio <integer expression>;
7 @5 A7 n$ d I
6 P" u" U+ i4 |1 u: U& p' w
. k5 o0 d5 _8 L以上为常用的函数!" q; P# @6 m* e. J# X4 k
还有很多,如有需要我把资料发到你邮箱里
) u! f7 d' u& }0 F3 t& F( T% m* V' F: G
+ N7 Z# e, c! x+ m) E5 ?# i( g# n
8 A% s: c8 r, v1 }: w* A+ V$ G/ ], l3 w) K5 ?& g9 h: Q7 A1 b
/ d6 \' o7 E7 I+ c+ _
( r X. ~# E( x
$ H7 X" R& D3 D1 J4 _# S, s& G- }6 q; ?1 P0 N+ G; J
( b. M( E' Y5 K- p' I( \ |
|