<form class="addvoteform layui-form">

          <button class="layui-btn layui-btn-sm" lay-submit lay-filter="formDemo2" >确定</button>

</form>

form.on(‘submit(formDemo2)‘, function(data){

  $.ajax({

      url:"../Contestant/Employee.do",

      async: false,

      type:"POST",

      dataType: "text",

      data:data.field,

      success: function(data){

               if($("#isphone").val()==0){

                var index = parent.layer.getFrameIndex(window.name);

                parent.layer.close(index);

                }else {

                     window.history.go(-1);

                }

          }

  })

return false;

    });