|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句4 g, D! b2 r" Q1 f: F- H
if <condition> then4 W* T" }" p) _2 f* h" \
<statement sequence1>;, |7 N! G$ B1 N. f, j/ f. p
elseif <condition> then
1 C2 d+ K3 N, d' r3 x; J1 M, `# L# X$ E <statement sequence2>;
' N2 T. |1 k _+ h! y. Y+ i! ]9 } else 8 E. j( N" p0 ]
<statement sequence3>; [& }9 k }1 O% q1 o
end;" _# d6 v! b8 v' ]8 o! S
如果分支比较多，用：
5 n+ q! M8 L: k% E3 f2 L7 f8 f inspect <expression>; ]: q5 y$ b& c) L' n0 T5 P# T
when <constant_list> then
) h% b3 r% H9 N: V; @6 |% X# m# G <statement sequence1>;6 Z2 J# E9 Y+ J
when <constant_list> then) u& `) h8 _3 b$ x K
<statement sequence2>;5 C+ U6 F; ]6 T& e: n
...
' E: U* y0 X/ X$ \& Z$ c9 u% O+ s/ X else7 y; X7 [1 ]- R' w+ j/ e7 v, p
<statement sequence3>;2 F P3 g2 F2 v+ a2 J
end;5 P" I5 |+ |6 L
, H4 y" w( g8 N. o% C0 U6 J
2循环语句8 i: Z4 K2 x; |' Y" B' U
(1) from <statement sequence1>
: ?; n$ d9 A. g6 A, @# f* u: m% z until <condition> loop
; L' R# H9 C' t5 X# M: Q <statement sequence2>;
4 u" K. [: C6 c* ? end;3 E/ w Z9 B0 ]( Y# l e
(2) while <condition> loop- b. w% p- u( x% {; M
<statement sequence1>;
* ^& ]+ R" O4 ?0 T2 C2 \2 ] end; d3 c9 ^6 u) J' k3 i# b
(3) repeat
+ U1 j" {! [. z/ q2 ? <statement sequence1>;
, r% c0 O& f; }) R: [, h until <condition>;
& r( p& t9 g; V# f1 b9 E) `. R (4) for <condition> to <condition> loop
- D6 U3 m9 r2 n4 ^3 E3 | <statement sequence1>;( A& F4 u1 j# z' r
next;
9 m% V1 Y* e% E4 L1 b3中断语句3 Q0 d; }# p) ?! L
waituntil <condition> prio <integer expression>;. W1 f* ~) t0 b# M7 W/ \1 X& V
3 ?0 f* \5 g; E9 L5 t: V( c; r8 _$ Z, o% N4 T
以上为常用的函数！( p/ C, G* V. k
还有很多，如有需要我把资料发到你邮箱里
4 F2 a4 H& U! r. m, ^0 c9 \, y) s; s& b" p
: X6 I- v/ d" \, k+ c) }7 B
- w$ V, Q2 @& W/ J7 ^4 w9 F 7 S, v: B# A6 X; p, `! b/ X
" v; |' k' j6 C3 y6 G `
8 K1 R/ ^9 k# H! f( N4 T3 O( G1 r' Z( @# }
2 D* a, u- r0 i& R1 `& X/ U$ ]( V; V, Y; s2 ]
0 I0 r0 v: O3 w1 @$ T
|
|
[复制链接]
