//指定渐变区块var grd=draw.createLinearGradient(50,50,200,50); //坐标,长宽grd.addColorStop(0,"black"); //起点颜色grd.addColorStop(1,"green"); //终点颜色
draw.fillStyle=grd; //设为填充样式draw.fillRect(50,50,200,50); //填充进矩形内}) script>