js 替换html

function getInfo(){
            var player_name=$("#name").val();
            $.ajax({
                url: 'get_wefare',
                method: 'POST',
                dataType: 'json',
                data: {name:player_name},
                success: function(res) {
                   // console.log(res);
                   if(res.code==0){
                        var tr_td = '';
                        tr_td+="<td>"+res.content.PlayerID+"</td><td>"+res.content.NickName;
                        tr_td+="</td><td>"+res.content.se+"</td><td>"+res.content.ceer;
                        tr_td+="</td><td>"+res.content.Level+"</td>";
                        tr_td+='<td><input type="text" class="form-control" id="buy_num" value=""/></td><td><button class="btn btn-primary btn-lg" data-toggle="modal" data-target="#myModal">发放</button></td>';
                        $("#my_tr").html(tr_td);
                    }else{
                        toastr.error(res.msg);
                    }
                },
                error:function(res){
                    toastr.error(res.msg);
                }
            });
        }