js rgb转成十六进制(简单粗暴!)
function rgb_hex(rgb) {
rgb = rgb.match(/^rgb\((\d+),\s*(\d+),\s*(\d+)\)$/);function hex(x) {
return ("0" + parseInt(x).toString(16)).slice(-2);//转成十六进制
}
return "#" + (hex(rgb[1]) + hex(rgb[2]) + hex(rgb[3]));
}
function rgb_hex(rgb) {
rgb = rgb.match(/^rgb\((\d+),\s*(\d+),\s*(\d+)\)$/);