columns:[[ {field:"activitycontent",title:'活动内容',width:fixWidth(0.18),align:"center",halign:"center", formatter:function(value,rec){ if(value.indexOf("src")<0){ if(rec.activitycontent.length>Math.ceil(document.documentElement.clientWidth * 0.18)/11.5) return rec.activitycontent.substring(0,Math.ceil(document.documentElement.clientWidth * 0.18/11.5))+'..'; else return rec.activitycontent.substring(0,Math.ceil(document.documentElement.clientWidth * 0.18/11.5)); } } }, {..} ]]