Home Web Front-end HTML Tutorial Solution for making png format pictures transparent under IE6_html/css_WEB-ITnose

Solution for making png format pictures transparent under IE6_html/css_WEB-ITnose

Jun 24, 2016 am 11:44 AM

FF和IE7已经直接支持透明的png图了,下面这个主要是解决IE6下透明PNG图片有灰底的

style="FILTER: progid:DXImageTransform.Microsoft.AlphaImageLoader(src=images/fl.png')"

语法:
filter : progid:DXImageTransform.Microsoft.AlphaImageLoader ( enabled=bEnabled , sizingMethod=sSize , src=sURL )

enabled : 可选项。布尔值(Boolean)。设置或检索滤镜是否激活。true | false true : 默认值。滤镜激活。
false : 滤镜被禁止。

sizingMethod : 可选项。字符串(String)。设置或检索滤镜作用的对象的图片在对象容器边界内的显示方式。 crop : 剪切图片以适应对象尺寸。
image : 默认值。增大或减小对象的尺寸边界以适应图片的尺寸。
scale : 缩放图片以适应对象的尺寸边界。

src : 必选项。字符串(String)。使用绝对或相对 url 地址指定背景图像。假如忽略此参数,滤镜将不会作用。

特性:
Enabled : 可读写。布尔值(Boolean)。参阅 enabled 属性。
sizingMethod : 可读写。字符串(String)。参阅 sizingMethod 属性。
src : 可读写。字符串(String)。参阅 src 属性。

说明:
在对象容器边界内,在对象的背景和内容之间显示一张图片。并提供对此图片的剪切和改变尺寸的操作。如果载入的是PNG(Portable Network Graphics)格式,则0%-100%的透明度也被提供。
PNG(Portable Network Graphics)格式的图片的透明度不妨碍你选择文本。也就是说,你可以选择显示在PNG(Portable Network Graphics)格式的图片完全透明区域后面的内容。

实例:解决IE6下png透明失效的问题。

CSS样式:

.png{
_background: url(http://www.snowangel.cn/images/angel.png) no-repeat !important; 
filter: progid:DXImageTransform.Microsoft.AlphaImageLoader(enabled=true, sizingMethod=noscale, src="http://www.snowangel.cn/images/angel.png");
background:none;
width:118px;height:133px;
}

.png div{position:relative;}

HTML代码:



CSS 背景PNG透明 及 链接失效问题解决

 

/*
兼容IE6.0、IE7.0、FF,
IE7.0和新版的FF其实是可以不加filter滤镜直接透明的。
*/

=============================================================================

 

 

第 1 种方法:定义一个样式,给某个div应用这个样式后,div的透明png 背景图片自动透明了。(注意两处图片的路径写法不一样,本例中, icon_home.png图片与html文件在相同目录)

 





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第 2 种方法: 给img定义样式,页面上所有透明png即自动透明了。(这方法只对直接插入的图片有效,对背景图无效)注意,要准备一个透明的小图片transparent.gif,大小不限。必须放在和html相同的目录
请勿大量使用,否则会导致页面打开很慢!!!)

 





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换成你的png图片







The third method: Use JS to implement, after adding a piece of js code, all inserted transparent png Automatically transparent. (Note that this method is only valid for directly inserted images, is invalid for background images )





None Title document



Change the image to your own





>

Method 4



用法如下:

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