bootstrap jquery dataTable 异步ajax刷新表格数据

var postData = {
"env_name" : new_env_name,
"env_url": new_env_url,
"env_desc" : new_env_desc
};
$.ajax({
type: 'POST',
url : '/test_env_add/',
data : postData,
dataType : 'json',
success : function(data){
$('#table_test_env').dataTable().fnClearTable();    //清空表格
$('#table_test_env').dataTable().fnAddData(packagingdatatabledata(data),true);  //刷下表格
$("#modal-container-648308").modal("hide");
},
error:function(data){
alert("新增失败");
}
})

function packagingdatatabledata(data){
var editHtml='<button href="#modal-container-648308" data-toggle="modal" class="btn btn-xs btn-info" onclick="test_env_modify(this)"> <i class="icon-edit bigger-120"></i> </button> <button href="#modal-container-648300" data-toggle="modal" class="btn btn-xs btn-danger" onclick="test_env_delete(this)"> <i class="icon-trash bigger-120"></i> </button>';
var a=[];   //全部行数据的list
var banddata = data.test_env_all;
for(var key in banddata){
var tempObj=[];     //一行数据的list
tempObj.push(banddata[key].id);
tempObj.push(banddata[key].name);
tempObj.push(banddata[key].url);
tempObj.push(banddata[key].desc);
tempObj.push(editHtml);
a.push(tempObj);
}

return a;
}