js就可以了!
function getColor()
{
var str;
while (1) p>
{
var r = Math.floor(Math.random() * 240).toString(16);
var g = Math.floor(Math. random() * 240).toString(16);
var b = Math.floor(Math.random() * 240).toString(16);
r = r .长度==1? "0" r : r;
g = g.length == 1 ? "0" g : g;
b = b.length == 1 ? "0" b : b;
str="#" r g b;
if (str!="#ffffff")
return str;
return str;
if (str!="#ffffff") p>
}
}