


The examples in this article describe the usage of overlib. Share it with everyone for your reference, the details are as follows:
overLIB is a very excellent JS code that generates page effects such as prompt boxes and pop-up menus.
It can simply change the style, skin and shape of the pop-up page by setting some parameters or commands. Not only that, it also provides very simple extension functions to meet the different needs of customers.
overLIB is very simple to use.
1. Add in the
tag:2. Add in the tag:
3. Generate two different styles of pop-up pages (popup and sticky)
<a href="javascript:void(0);" onmouseover="return overlib('这是一个popup.');" onmouseout="return nd();">popup示例</a> <a href="javascript:void(0);" onmouseover="return overlib('这是一个sticky',STICKY, MOUSEOFF);" onmouseout="return nd();">stick示例 </a>
4. Commands and parameters
popup
Attribute Name | Type | Required | Default | Description |
---|---|---|---|---|
text | string | Yes | n/a | the text/html to display in the popup window |
trigger | string | No | onMouseOver | What is used to trigger the popup window. Can be one of onMouseOver or onClick |
sticky | boolean | No | false | Makes the popup stick around until closed |
caption | string | No | n/a | sets the caption to title |
fgcolor | string | No | n/a | color of the inside of the popup box |
bgcolor | string | No | n/a | color of the border of the popup box |
textcolor | string | No | n/a | sets the color of the text inside the box |
capcolor | string | No | n/a | sets color of the box's caption |
closecolor | string | No | n/a | sets the color of the close text |
textfont | string | No | n/a | sets the font to be used by the main text |
captionfont | string | No | n/a | sets the font of the caption |
closefont | string | No | n/a | sets the font for the "Close" text |
textsize | string | No | n/a | sets the size of the main text's font |
captionsize | string | No | n/a | sets the size of the caption's font |
closesize | string | No | n/a | sets the size of the "Close" text's font |
width | integer | No | n/a | sets the width of the box |
height | integer | No | n/a | sets the height of the box |
left | boolean | No | false | makes the popups go to the left of the mouse |
right | boolean | No | false | makes the popups go to the right of the mouse |
center | boolean | No | false | makes the popups go to the center of the mouse |
above | boolean | No | false | makes the popups go above the mouse. NOTE: only possible when height has been set |
below | boolean | No | false | makes the popups go below the mouse |
border | integer | No | n/a | makes the border of the popups thicker or thinner |
offsetx | integer | No | n/a | how far away from the pointer the popup will show up, horizontally |
offsety | integer | No | n/a | how far away from the pointer the popup will show up, vertically |
fgbackground | url to image | No | n/a | defines a picture to use instead of color for the inside of the popup. |
bgbackground | url to image | No | n/a | defines a picture to use instead of color for the border of the popup. NOTE: You will want to set bgcolor to "" or the color will show as well. NOTE: When having a Close link, Netscape will re-render the table cells, making things look incorrect |
closetext | string | No | n/a | sets the "Close" text to something else |
noclose | boolean | No | n/a | does not display the "Close" text on stickies with a caption |
status | string | No | n/a | sets the text in the browsers status bar |
autostatus | boolean | No | n/a | sets the status bar's text to the popup's text. NOTE: overrides status setting |
autostatuscap | string | No | n/a | sets the status bar's text to the caption's text. NOTE: overrides status and autostatus settings |
inarray | integer | No | n/a | tells overLib to read text from this index in the ol_text array, located in overlib.js. This parameter can be used instead of text |
caparray | integer | No | n/a | tells overLib to read the caption from this index in the ol_caps array |
capicon | url | No | n/a | displays the image given before the popup caption |
snapx | integer | No | n/a | snaps the popup to an even position in a horizontal grid |
snapy | integer | No | n/a | snaps the popup to an even position in a vertical grid |
fixx | integer | No | n/a | locks the popups horizontal position Note: overrides all other horizontal placement |
fixy | integer | No | n/a | locks the popups vertical position Note: overrides all other vertical placement |
background | url | No | n/a | sets image to be used instead of table box background |
padx | integer,integer | No | n/a | pads the background image with horizontal whitespace for text placement. Note: this is a two parameter command |
pady | integer,integer | No | n/a | pads the background image with vertical whitespace for text placement. Note: this is a two parameter command |
fullhtml | boolean | No | n/a | allows you to control the html over a background picture completely. The html code is expected in the "text" attribute |
frame | string | No | n/a | controls popups in a different frame. See the overlib page for more info on this function |
timeout | string | No | n/a | calls the specified javascript function and takes the return value as the text that should be displayed in the popup window |
delay | integer | No | n/a | makes that popup behave like a tooltip. It will popup only after this delay in milliseconds |
hauto | boolean | No | n/a | automatically determine if the popup should be to the left or right of the mouse. |
vauto | boolean | No | n/a | automatically determine if the popup should be above or below the mouse. |
overLIB 可以接受任意个命令和参数。格式如下:命令[,'命令参数']
<a href="javascript:void(0);" onclick="return overlib('This is a sticky with a caption. And it is centered under the mouse!', STICKY, CAPTION, 'Sticky!', CENTER);" onmouseout="nd();">Click here!</a>
五、 overlib的一些使用示例
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <scriptlanguage="JavaScript" src="overlib.js"></script><html> <head> <metahttp-equiv="Content-Type" content="text/html; charset=gb2312"> <title>无标题文档</title> </head> <body> <ahref="#" onclick="return overlib('使用overlib的命令', CAPTION, '这是Caption命令,就是生成头部',HAUTO);"" onmouseout="return nd();">弹出测试</a> <ahref="javascript:void(0);" onmouseover="return overlib('This is an ordinary popup.',CLOSECLICK);" onmouseout="return nd();">here</a> <ahref="javascript:void(0);" onmouseover="return overlib('This is what we call a sticky, since I stick around (it goes away if you move the mouse OVER and then OFF the overLIB popup--or mouseover another overLIB).', STICKY, MOUSEOFF);" onmouseout="return nd();">吸附性的提示框</a> <ahref="javascript:void(0);" onclick="return overlib('This is a sticky with a caption. And it is centered under the mouse!', STICKY, CAPTION,'Sticky!',CENTER);">含CAPTION的STICKY!</a> <ahref="javascript:void(0);" onclick="return overlib('Setting size and posiztion!', STICKY, CAPTION,'Sticky!',HEIGHT, 100,WIDTH,120,LEFT);">指定大小与位置弹出</a> <ahref="javascript:void(0);" onclick="return overlib('Setting size and posiztion!', STICKY, CAPTION,'Sticky!',STATUS ,'Hello');">设置状态栏</a> </body> </html>
六、自定义overlib。overlib有三种方式可以实现自定义。
1、我们上面用过的通过输入不同命令来实现自定义。
2、修改overlib.js中的默认值来实现自定义
3、在引用的页面指定变量来实现自定义。
overlib点击此处本站下载。
希望本文所述对大家JavaScript程序设计有所帮助。

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