var ds = "username="+sessionStorage.getItem("username") $.get("/hxzkuwb/findUserRole",ds,function (data){ if (data.uadd == "No"){ var myButton = document.getElementById("btnAdd"); myButton.className = "layui-btn layui-btn-disabled"; } if (data.udelete == "No"){ var myButton = document.getElementById('btnUpdate'); myButton.className = "layui-btn layui-btn-disabled"; } if (data.uupdate == "No"){ var myButton = document.getElementById('btnDelete'); myButton.className = "layui-btn layui-btn-disabled"; } })