|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句- N* Z' C, n! J$ Y! Z
if <condition> then; t2 T( V# c: }
<statement sequence1>;
) W6 @/ R: h A( ] elseif <condition> then m" z) V+ [" Q3 b$ B2 T
<statement sequence2>;
" x* z" }9 ?! r" q7 ~ else ' v$ I& z+ H: J0 p( c1 X
<statement sequence3>;
: M$ i6 W: Y# k0 }% Q0 L/ K end;
1 t! |% o4 i' q+ h如果分支比较多，用：) H$ k2 @: u7 h0 @& U. e$ s8 X5 k
inspect <expression>4 ?7 M1 |8 x! j2 b' Y( Y- e6 E
when <constant_list> then5 y2 V9 \* r4 |$ t0 ^
<statement sequence1>;! e9 u# Q ]5 J0 `# g; c' B
when <constant_list> then
- G7 Z G$ Y0 J, F( [ <statement sequence2>;
- {$ h/ Y% {! N/ s6 p3 O ...) H2 }! C: Q6 _9 ~
else$ ?3 R) [. I6 h8 f" E/ i; `' a
<statement sequence3>;
1 S* D. O5 y0 `end;$ u- ?. Z3 `1 ?7 h; ^5 W0 B' e
% l. e- L' K1 d6 s2循环语句
, V& `( O. { `( a (1) from <statement sequence1>, l0 Y7 ~: k0 a1 U3 ?( {/ J
until <condition> loop
' n- h1 N' U+ x% T, m- s <statement sequence2>;
. x6 t: I0 y1 q9 l, @ end;
7 ~2 _4 |" J4 Z (2) while <condition> loop: u% q% u, ]: E4 |/ _7 }. ^% \
<statement sequence1>;0 {" a7 _% u& k3 G# h; _
end;/ S7 z9 T8 S# A+ n/ W
(3) repeat # y. v0 y+ g6 B9 Z5 F9 {- _
<statement sequence1>;, w9 P- L) d# l, i! Y% z. }
until <condition>;5 z$ z. c6 u" f5 m) i+ z
(4) for <condition> to <condition> loop1 |: ?4 r# \, t8 k
<statement sequence1>;
2 U# B7 R s9 s! C+ A" V' {: V next;0 h3 ?$ n# y X l3 g7 ?! V
3中断语句1 D: e$ U7 k2 ~- ]- H r/ t
waituntil <condition> prio <integer expression>;
- N5 }! u/ }# V3 k. W& s7 c8 J7 _$ h$ N W2 `" o y; _
1 V. C8 l# K4 y) {. y
以上为常用的函数！
& a# M# F* C% \ O还有很多，如有需要我把资料发到你邮箱里
5 d- G6 P: I/ U+ M, R/ j% A o! j5 A) k+ M; m- x
" f7 |. b9 ?2 M# _7 a8 [
, j' L6 I- s% k ; T+ y, O4 D2 X) c1 _* ?
4 r, ~9 W K/ I, Y/ |
5 |7 a/ h5 Y! @' F. ^* C W1 k# l
) ~" [1 _. b \0 S" s5 p
9 g! T# i3 \7 N! M
8 h5 V% y% Q- ^; Z
: f. j8 Q# e0 p8 n1 i( X |
|
[复制链接]
