如何做出这样的渐变效果?
下面这样的渐变效果是怎么做到的 ?? 能否告知一二??
http://images.blogcn.com/2007/2/6/8/class0602,2007020615742.bmp
http://images.blogcn.com/2007/2/6/8/class0602,2007020615447.bmp
http://images.blogcn.com/2007/2/6/8/class0602,2007020615427.bmp
http://images.blogcn.com/2007/2/6/8/class0602,2007020615338.bmp
http://images.blogcn.com/2007/2/6/8/class0602,2007020615323.bmp
http://images.blogcn.com/2007/2/6/8/class0602,200702061538.bmp
http://images.blogcn.com/2007/2/6/8/class0602,2007020615038.bmp
http://images.blogcn.com/2007/2/6/8/class0602,2007020615021.bmp