|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
5 g8 m2 g; a3 d. x, ~( [ G if <condition> then
0 J$ x+ ~* D% s- T; c8 s7 _ <statement sequence1>;2 W9 g9 C6 Z; M) s
elseif <condition> then
) x0 y6 O" Z2 r, S <statement sequence2>;: D0 d+ Z5 b6 X& c4 _ G
else 5 p2 x# R- i, ]! L: D; W
<statement sequence3>;" G, T% P! x0 x+ [: Y# }
end;. z% y2 |( i, t% q: x. z
如果分支比较多，用：5 k; ^; q: @; O4 G7 g
inspect <expression>. W5 q |% E5 n
when <constant_list> then
7 I! @ x4 n0 w# L/ n6 n <statement sequence1>;/ l1 } f" b% I
when <constant_list> then
3 p: E8 V- i h# p* l1 U <statement sequence2>;
: ~4 t2 x; ?* x, Q. v ...
/ N' A* z0 y. L5 Y- M else
3 r' t+ \7 g. ]. ?, f. V+ A, ~0 u <statement sequence3>;5 |) i; X5 G/ B! Z$ m# Q" N1 r
end;4 R( k* ?; B3 h1 F* ~5 F; H
5 t5 r# T q) p1 R( S' u4 V2循环语句7 o+ Q0 f5 @' I- Y1 K0 \
(1) from <statement sequence1>
9 t P9 U/ N" X) d/ P5 O+ U3 x8 Z4 ? until <condition> loop; E% |9 [+ R7 H+ c
<statement sequence2>;! i0 H" i2 ]% H( y+ F
end;/ M" L& O1 A5 l u1 T8 c [& o
(2) while <condition> loop
# @4 [% v: P Y! W% D5 h$ @ <statement sequence1>;
* R0 j9 U2 l" K6 \5 d7 B. B; \ end;/ {! D9 B. S6 G8 f* [
(3) repeat , q% r/ c3 P6 Z5 U4 k6 H( ]6 w5 \9 h
<statement sequence1>;
1 W6 Y( r5 P+ c* s6 k until <condition>;5 i2 h7 p/ `* m
(4) for <condition> to <condition> loop _2 j4 z8 p2 I4 Y u% |
<statement sequence1>;
* Y# T! @0 { }8 W5 e2 [0 M next;6 r5 T) p- |2 Q: m4 j0 O
3中断语句* S/ Q8 s( \# x3 J
waituntil <condition> prio <integer expression>;
4 T! _! k# u. r* J, _( R- H. W% Z3 c" b# B0 p/ U$ t
0 I1 B- p5 W" P5 t以上为常用的函数！2 a( g2 j8 ^6 W
还有很多，如有需要我把资料发到你邮箱里 }3 f# C- J# t0 v- i+ j( M9 W" ^: L. Y
( r$ x* V) l5 `' U0 o, G1 D
, H3 |" I& \! u# U! R. ^) f
4 p5 B \ n& R) k) c) f ! V5 b' w7 B8 w( w
" t3 p, r) \+ `& M9 h ]( b9 G8 q* J7 u8 u8 m7 S. G4 O( i k/ I" o
! t0 x$ T L1 K8 O, P2 c7 |
- _1 i! q( s/ t/ B% M& d+ t1 L' }4 k% @
( V( L: {/ `5 N( t8 _ |
|
[复制链接]
