|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
) {, f6 Y- H+ ~4 K2 p if <condition> then
+ [, _0 q! @7 s9 k+ z <statement sequence1>;4 r- m4 n$ N; }1 }2 K1 g5 S
elseif <condition> then
; i- U: o7 n- G1 g4 y <statement sequence2>;
# w, }" j( D8 B4 e else
6 {1 M& ]. N: }; {* Z6 S <statement sequence3>;) E3 W4 u" N; T, |3 x
end;
t+ f/ H7 t2 p# R# U如果分支比较多，用：
, G! `4 T. ~$ w- c! W3 S inspect <expression>. U3 h0 y8 l) u) p; x( H
when <constant_list> then: [; w0 {8 J3 y2 h
<statement sequence1>;$ w8 {* {; r* u- ?9 r, Y4 g6 f& h1 K" b
when <constant_list> then+ g+ U" G. W9 r; p# j) |
<statement sequence2>;
! U$ d6 _" n$ [( z {1 m ...# N. |6 C' r+ h I- f: Z
else
1 S5 Q" S4 E& y. ` q$ ? <statement sequence3>;6 p# Z: @1 I: n1 k2 E
end;: X3 r( q+ u; u. z, d
9 t: }/ J/ C' x; n4 N) `2循环语句
1 f! e2 w3 T+ ^8 S* o (1) from <statement sequence1>
7 I$ f- i( g1 _. n. \" {0 d4 C) u: P! p! c until <condition> loop
6 O- s# l1 H: z- c+ S. R+ Q6 ] <statement sequence2>;
1 ~- m( y/ J" W* k3 }0 p' z end;+ S+ y& e3 L3 b" w* N9 ]
(2) while <condition> loop
2 e8 C" t$ m2 @ <statement sequence1>;
9 b: {" ~ U7 L( q! p end;$ y! `( U9 s9 [) y
(3) repeat 1 @5 z; t3 ^- a$ d1 u
<statement sequence1>;$ y5 k( C* c( h" V* m, M
until <condition>;
; x1 X; u( ]3 M; m& d g" x } (4) for <condition> to <condition> loop! K. l+ _: o8 K, \- S- X1 V+ c* k
<statement sequence1>;
, u) m( ?0 H b% Z' F next; t. G7 g7 y2 _2 P7 J
3中断语句; S+ t1 v# j4 ^! {1 M9 e$ D
waituntil <condition> prio <integer expression>;
1 f, V$ C3 S, n7 z, m
; M9 h9 j4 s2 N. p2 I# i7 V1 k/ h# Y' _
以上为常用的函数！! X, k9 O9 v( l6 u
还有很多，如有需要我把资料发到你邮箱里
- Q$ K1 y. q3 ^2 _. F9 S% V2 z
8 s) s; F4 g' B' C* u0 C8 x3 f; @( \: T3 B) o8 K: u
; C) ] \; t( c$ Z; B6 ~
& }0 J* q/ I) x# z- J; M& Q
1 ]% q, [3 I2 {
& n9 j ~4 n8 w. q; x" ?# y% ~- t& k" ?# }$ X" g
4 x1 n( M4 k+ ?7 o% R& D
7 G9 w. L* F: a
* ]( s( ?4 _7 c9 n7 E- B" @ |
|
[复制链接]
