li显示一排圆形按钮

'<div style="height:20px;text-align:center"><ul style="display:inline-block;margin:0px"></ul></div>';

$ul.append(
$('<li data-name="'+label+'"
style="list-style-type:circle;
float:left;
margin-left:30px;
margin-ight:-10px;
cursor:pointer;
color:'+defaultPalette[showData[i].index]+';
font-size:30px"></li>'));