zoukankan
html css js c++ java
javascript + DIV +CSS 实现可拖动消息窗体
<
html
>
<
head
>
<
style
>
#div
{
}
{
width
:
300px
;
height
:
200px
;
color=red;border-top
:
1px solid #000
;
border-bottom
:
1px solid #000
;
border-left
:
1px solid #000
;
border-right
:
1px solid #000
;
size=13px;position
:
absolute
;
bottom
:
50px
;
right=80px;
}
</
style
>
</
head
>
<
body
>
<
script
language
="javascript"
>
var
moveable
=
false
;
function
aa(val)
{
var
obj
=
document.getElementById(
"
div
"
);
if
(val
==
0
)
{
obj.style.display
=
""
;
var
x,y;
x
=
event.clientX;
y
=
event.clientY;
obj.style.left
=
x;
obj.style.top
=
y;
//
alert("X:"+x+"Y:"+y);
}
else
obj.style.display
=
"
none
"
;
}
function
startgrap(obj)
{
if
(event.button
==
1
)
{
obj.setCapture();
//
记录鼠标和层位置;
x0
=
event.clientX;
y0
=
event.clientY;
x1
=
parseInt(obj.style.left);
y1
=
parseInt(obj.style.top);
moveable
=
true
;
}
}
function
stopgrap(obj)
{
if
(moveable)
{
obj.releaseCapture();
//
用来释放对鼠标的捕捉
moveable
=
false
;
}
}
function
grap(obj)
{
if
(moveable)
{
obj.style.left
=
x1
+
event.clientX
-
x0;
obj.style.top
=
y1
+
event.clientY
-
y0;
}
}
</
script
>
<
form
id
="form1"
>
<
input
type
=button
value
="DIV应用"
onmousemove
="aa(0);"
>
<
div
id
="div2"
style
="background:#ff00cc;width=100px;"
onmousemove
="aa(0);"
>
鼠标移到上面试试看
</
div
>
<
div
id
="div"
style
="display:none"
onmousedown
="startgrap(this);"
onmouseup
="stopgrap(this);"
onmousemove
="grap(this);"
>
<
div
style
="border-top:1px solid red;position:absolute;right=1px;"
><
span
onclick
="aa(1);" style="cursor:hand"
><
font
color
="#eee"
><
b
>
关闭
</
b
></
font
></
span
></
div
>
<
span
>
I Like you ,do you know?
<
br
>
if you don`t know,now i tell you,i tell you!
<
br
><
br
>
透明窗体,可拖动
</
span
>
</
div
>
</
form
>
</
body
>
</
html
>
本程序测试通过,大家有好的方法可一起讨论!谢谢
查看全文
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原文地址:https://www.cnblogs.com/Lewis/p/450978.html
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