layui怎么做图片在列表中显示

<script type="text/javascript">

    layui.use(&#39;table&#39;,function () {
        var table= layui.table;
        table.render({
            elem:&#39;#needstable&#39;
            ,url:&#39;{:url()}&#39;
            ,method:&#39;post&#39;
            ,cellMinWidth:80
            ,page:true
            ,cols:[[
                {field:&#39;needs_id&#39;,title:&#39;id&#39;,fixed:&#39;left&#39;,width:80}
                ,{field:&#39;wx_username&#39;,title:&#39;昵称&#39;,fixed:&#39;left&#39;,width:80}
                ,{field:&#39;wx_headimg&#39;,title:&#39;头像&#39;,fixed:&#39;left&#39;,templet:&#39;<div><img src="{{ d.wx_headimg}}"></div>&#39;,style:&#39;height:48px;width:48px;line-height:48px!important;&#39;}

<style type="text/css">.layui-table-fixed-r td{height:58px!important;}
.layui-table-fixed-r th{height:58px!important;}
.layui-table img {
    max-width: 48px;min-height: 48px;
}


.laytable-cell-3-wx_headimg ,.laytable-cell-1-wx_headimg,.laytable-cell-2-wx_headimg,.laytable-cell-3-wx_headimg,.laytable-cell-4-wx_headimg,.laytable-cell-5-wx_headimg,.laytable-cell-6-wx_headimg,.laytable-cell-7-wx_headimg,.laytable-cell-8-wx_headimg,.laytable-cell-9-wx_headimg,.laytable-cell-10-wx_headimg,.laytable-cell-11-wx_headimg,.laytable-cell-12-wx_headimg,.laytable-cell-13-wx_headimg,.laytable-cell-14-wx_headimg{
    width: 48px!important;;padding:0px!important;height: 48px!important;;
    line-height: 48px!important;;
}

</style>