


JavaScript image automatic scaling and vertical centering processing function_image special effects



注释:
1、后面的testCss1和testCss2两个样式跟testCss是一样的。只是设置了大小。
2、红色部分的height和width必须定义,是设置存放img外面的父层容器的高和宽。
3、text-algin:为图片水平居中
4、display:block,必须设置。否则FF下启用自动缩放不起作用。
使用方法:
1、是需要在img的父层定义样式,包含上述注释里面提到的东西;
2、是img加上
onload="autoSizeImg(this.parentNode,5,5,true)"
参数说明:
参数Contents一般采用this.parentNode,即使img的父容易
参数offsetWidth,offsetHeight分别是宽和高度居中的修正值。
参数vlmiddle设置为true则是垂直居中
[Ctrl A 全选 注:如需引入外部Js需刷新才能执行

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