Jquery 点击tr取出某个td标签值

$(function(){    $(".huanjian tbody .list").click(function(){

//#standard为某td的id        var standartName = $(this).children('#standard').html();        $.ajax({            type:'post',            url:'/accident/accident/goodsSearch',            data:{standard:standartName},            cache:false,            dataType:'json',            success:function(data){                alert(data.msg);            }        });    });});