$(function()

    {

        $.ajax(

        {

            url:location.href,

            dataType:'json',

            type:'post',

            data:{action:'_yundanran-all-cat'},

            beforeSend:function()

            {

                console.log('beforeSend');

            },

            success:function()

            {

                console.log('success');

            },

            error:function()

            {

                console.log('error');

            },

            complete:function()

            {

                console.log('complete');

            }

        });

    });