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发表于 2012-11-13 08:48:12
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1判断语句1 H: ]. R8 r2 _ A2 f: G
if <condition> then
) V! B2 \9 @- ^+ X <statement sequence1>;
& e/ w- ~0 i% W U6 R; p elseif <condition> then
' ?' N8 c4 v* ? <statement sequence2>;- i3 Z) g- a0 r
else
. ^& f1 ~5 {2 G$ m) C& |* V <statement sequence3>;8 t9 z# c0 L: K
end;
1 O0 _2 j1 ~. [' W如果分支比较多,用:0 ?" }4 Y: Z, r" V: {0 d
inspect <expression>
! ]3 I$ p2 @2 ] when <constant_list> then
# U/ _ }" k. G4 r* A4 l <statement sequence1>;
, k3 s- H0 V' G9 N2 E" ? when <constant_list> then
" }: f$ v! g6 c5 [) ]0 B6 B0 Y <statement sequence2>;$ l8 O1 C+ _8 D! ^, ]
...
( W! O5 E9 j" s$ }, M- Q1 z else
e& S3 a" H0 `5 e4 A <statement sequence3>;7 v5 P9 _. d) v/ P& Y* c
end;% u; @& K( w4 z
# f/ q# n1 ~8 z5 V2循环语句
, S* {2 C: s* Z; m4 ]7 S ?% I (1) from <statement sequence1>, d, I0 T: D# w$ U4 {5 @8 x
until <condition> loop
$ c9 q2 o7 N+ T* ] <statement sequence2>;
! m/ G% B* a0 i" p+ W end;; D) n5 J5 J Y6 x/ u
(2) while <condition> loop
; ~( o6 ^9 D) e* ?' J" p <statement sequence1>;4 E: I! _1 w3 J6 l
end;
4 z8 D- ~* c* a6 X; j8 H. J (3) repeat # E$ j: ~: y* n( Q. S* D
<statement sequence1>;
+ f3 a* {1 {5 | A8 ` until <condition>;6 K. t# O; V8 C) k. q
(4) for <condition> to <condition> loop
3 K' @" P5 _7 ]+ I/ s <statement sequence1>;
( |. z Q3 c* E( ]6 t% P+ o next;! S% D1 ^4 [1 {) y" N# @
3中断语句: E8 Z6 |3 V% Q. |2 U+ l e
waituntil <condition> prio <integer expression>;8 @5 ?% I) A2 r7 w! O; X0 c8 J, {/ u
1 d% U, O& C- m
! ~, a2 k8 l' c2 s2 D7 b7 s以上为常用的函数!
& _6 T7 N: ?! f7 E9 v还有很多,如有需要我把资料发到你邮箱里
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