1 $(function(){ 2     $.ajax({ 3     url:'order!seatnum.action', 4     data:{ 5     "entity.id":$("input[name='entity.id']").attr("value"), 6     seattype:$("input[name='seattype']").attr("value") 7     }, 8     type:'post', 9     success:function(){10     alert("chenggong");11     },12     error:function(){}13     })14     alert($("#snum").text());15 })