从10种颜色中随机取色,并每次取出的颜色不同的时候,考虑了很多,最终用如下来实现:
复制代码
代码如下:
var
colorList
=
["#FFFF99","#B5FF91","#94DBFF","#FFBAFF","#FFBD9D","#C7A3ED","#CC9898","#8AC007","#CCC007","#FFAD5C"]
for(var
i=0i<lineList.lengthi++){
var
bgColor
=
getColorByRandom(colorList)
}
function
getColorByRandom(colorList){
var
colorIndex
=
Math.floor(Math.random()*colorList.length)
var
color
=
colorList[colorIndex]
colorList.splice(colorIndex,1)
return
color
}
这样便能每次取出的颜色是随机的且都不一样