|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句% }( L( w5 H& s& c5 H2 k1 E
if <condition> then
. }# a7 l: T& s' F' a6 O <statement sequence1>;
2 P, \7 _6 y# L2 I& T4 W elseif <condition> then
7 x8 T3 Z6 l) y: h8 v# ^: B <statement sequence2>;( K. A O, ?. o7 X3 m
else
7 ^4 f l! Z& q1 T <statement sequence3>;
$ F& W9 }6 c+ j# K4 i( m- u end;' c3 U. F) F m2 n0 ?
如果分支比较多，用：
" U# T% C/ Z: V6 S inspect <expression>
& P7 _9 W4 q/ j! `$ G7 b$ C when <constant_list> then: a2 `8 s3 B( u8 y! m6 `5 b
<statement sequence1>;
3 c1 H0 P9 y$ T1 U4 H9 k( f when <constant_list> then
7 J( T% T" f; y; { <statement sequence2>;
# l8 e$ u2 n' I9 y/ [" ]4 G ...
. V: L8 J. G2 R0 _ else9 ?( d% C& A' K( F/ ~
<statement sequence3>;
6 f& v/ w2 [8 W# }6 k0 Rend;
8 S. D( \0 ?, M' R5 f3 p- l6 n* f% [) G: ?; s0 b. O, f
2循环语句
8 |: ~' p! Q. H, D U) r% T (1) from <statement sequence1>
3 {4 f3 @ \- H6 m0 b: L5 H until <condition> loop/ ^% U* a0 Y+ T% j& I" R
<statement sequence2>;9 o" t8 s% b& f3 \- n+ E- I
end;
6 L" l7 K& ^, D9 P (2) while <condition> loop
5 e; T" h1 S4 J4 C! j& e, }, N) @ <statement sequence1>;" v5 d4 w: O* {6 P
end;
5 r9 v( n$ p& A (3) repeat
) g& f9 c. H$ q2 s6 b) i% \ <statement sequence1>;% s& b, E, s0 B- \! ~$ f4 }
until <condition>;
6 E) V' Z3 Q" H2 I1 N (4) for <condition> to <condition> loop) Q5 |$ o$ T' ?/ @' x+ j# S7 k5 ]/ R( L/ _
<statement sequence1>;
2 ^; Q2 D0 W% J& X* q next; Q# ]+ n" P& X4 ^# t& C
3中断语句. n3 g/ m! Y; f, `" z9 n0 c
waituntil <condition> prio <integer expression>;
, k" }6 T v& r' O9 U E ~7 h9 n: _ Q8 i# H+ g8 o+ }
" A& Y+ ]* r7 x& r2 U( W以上为常用的函数！; ^' a5 i+ u2 D
还有很多，如有需要我把资料发到你邮箱里
4 {3 b" l0 k: D$ u9 \9 @7 p
; u; l( |/ w3 r$ g4 B
: u9 X$ X' {2 a1 x; ~
& A3 U3 m0 v7 l% X, F) ~& Q * M- q* x& A: e8 X# A3 [ ~
7 m$ n) S" V0 O& t+ G
. T \% |- d# i
1 _. `) a. P( q, a& ^7 L4 Q) `* X$ z6 m; |/ X: A5 P% Y0 R
4 {3 }: ~8 F7 F7 t1 _' k
; y7 e' C5 Z& Z Z) J$ p |
|
[复制链接]
