|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
. J; U6 N: t2 Q) o if <condition> then
, j( p* C) Q* q6 y2 @" ^ <statement sequence1>;
! y- H! d; k9 _3 n elseif <condition> then7 i1 w! ]" d# F# B9 x4 F
<statement sequence2>;
( N, k5 N; P- C- P" s. w6 q7 E% _ d else
' T8 i/ I" b) f" Q; M2 A5 h <statement sequence3>;
1 R' U! k8 V% G. M& }5 [ end;
! L: H% w4 x! [+ Y) I9 }. H9 m' A如果分支比较多，用：7 g$ n4 k& m8 D1 j$ K, L, A9 s
inspect <expression>
+ A) r" L4 O! c: _& \. r5 u: y when <constant_list> then
" ]% t- K/ ?) r+ H# e <statement sequence1>;
* l) s8 W6 O% c u when <constant_list> then! @" m# E e4 l2 b# ]4 j
<statement sequence2>;$ T) U9 L# }. }( x. W3 o2 r# ]
...
+ h2 p4 X* Y* B4 `, b else
1 _( P7 a% i$ ] <statement sequence3>;1 X# s" l$ _8 ^
end;) `- {6 f% I c! c
5 q8 E) e2 [' U& R; Y& ]5 a& T4 x8 e
2循环语句
! k/ Z* Y" {2 ?! E (1) from <statement sequence1>
6 _7 h# P4 }" j a7 `# p i j' o) K& H until <condition> loop
1 X! G3 K0 O9 ], X <statement sequence2>;5 S9 s$ ~0 [# O) z* I' q6 X9 W* I
end;" A) W& P! l1 d5 ?; \- Q- b
(2) while <condition> loop
. l5 k9 x9 U' R$ ^2 q \/ q <statement sequence1>;/ B5 i: v6 J' @0 R- m
end;
6 z1 A1 e G0 x. \5 J (3) repeat
7 y+ T. _& q/ E <statement sequence1>;0 A- w7 c4 P$ W4 m4 l8 c! |
until <condition>;4 s2 e: P8 S' b. X# y9 l( N2 T
(4) for <condition> to <condition> loop
* z6 V" _6 h+ M% ~! G <statement sequence1>;
6 r' s6 k! K% g1 B! w5 G$ F, O next;
# x: t; F' l1 x$ G3中断语句
3 ~+ E/ U6 y8 I& ]: | waituntil <condition> prio <integer expression>;$ J. T7 L9 U9 b* {3 z
/ j. E S& T1 H0 B1 h: V: g, d0 k
" X( C* y) _: E4 C* G. H. u7 T以上为常用的函数！" t% s, D) f* ~$ {/ R) S C
还有很多，如有需要我把资料发到你邮箱里 & Q! ^# P4 F I# K% r- F/ p
+ x$ O B8 `8 O+ E7 g- {% }7 t4 S% U' n; ^3 B# {0 c
! o' \: U$ [% k' } T
0 ?6 D& l7 k9 x3 b
7 a( U2 e$ s1 W* C% L2 e& R' @7 T7 P. K! a
# A% j- L/ o- u* c( i8 |
1 w. Q- R6 d/ n! K J4 q9 h5 s4 ]4 O! }# x
& ^" o5 z: p9 C. z* r6 `+ P2 G- [ |
|
[复制链接]
