|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
. N/ `1 Z. y2 M, L) I if <condition> then
7 Q; ]8 z( }) G, g& {8 Z <statement sequence1>;
; h. C( I9 w; R) S$ u4 i elseif <condition> then
* ^' w" d+ [) ?7 B <statement sequence2>;
: p" A: _( w8 {) F8 y, Q& {9 F else
7 l0 _" @% A1 y' _ <statement sequence3>;3 @3 q+ f( [# G
end;
8 l! ~5 ~$ O: V+ S( V如果分支比较多，用：
1 J- \2 E( q% b6 g/ n+ K inspect <expression>
( u: G4 B1 x+ C) }& R when <constant_list> then
/ M( W( R2 r' f <statement sequence1>;
7 U- @! ^) S7 [ when <constant_list> then
/ l! [) c1 u. K( v: M( E1 Y <statement sequence2>;
) R/ ]: E& S9 v' E+ ^ ...$ H, w- M: B4 J+ o
else
9 f9 ~5 H6 b, m u# S3 e- u) Y$ | <statement sequence3>;
: m1 j X' `! `$ V/ h# r) Oend;
2 J' A# ]) c2 k0 C
! K4 m7 y, l" ^3 q9 l" B4 |2循环语句
b o: g0 b% ?5 z" ]2 B (1) from <statement sequence1>3 l& L9 a# k0 E, P% `8 R$ M
until <condition> loop$ P. X9 ]# W0 D% J% ?0 G
<statement sequence2>; G. o8 g8 r" o4 E$ o
end;
' @; e6 R( s" ` T3 W (2) while <condition> loop
2 G: v( X/ l6 O2 \1 m: b) `; c <statement sequence1>;2 K" P& A# W- S, `/ T( G& F: E
end;
6 g+ { F. O9 Z" |8 S: ^' ? (3) repeat 5 A8 r' \; U8 F
<statement sequence1>;2 {- J4 B# U, a' X5 E! g
until <condition>;
' ^2 R) m" B1 B7 ~: i (4) for <condition> to <condition> loop
5 V& H: @! d& E9 ~- W <statement sequence1>;
5 n1 b( Z' ^. S next;! J: C# c* N$ _& j6 Z
3中断语句
) X2 K& d6 ^' v7 j5 f$ d# i$ a waituntil <condition> prio <integer expression>;
J! X) h1 Y! V% @) [2 }! j A2 A( }
! M! A, u2 J$ b
以上为常用的函数！
, }- e1 f- X6 _8 X还有很多，如有需要我把资料发到你邮箱里 ; X C2 a Y; P* F
( L; {/ l" W; l
# }! I+ S/ ]! n( B
3 w! B9 c1 ?+ e9 |5 Z1 N A6 o8 ~2 H) a* T/ [" e
( N, B, [4 m& k+ `# e
+ G p$ w8 ~/ z0 E% }4 | o3 E5 z8 i4 s y: a; J
2 p0 B p1 e7 q J: x8 E5 f/ b
& d& m6 r% R m9 d! E " I2 q( d8 _" F3 c1 w6 g4 a$ @, B/ c
|
|
[复制链接]
