收藏

dal层收藏的方法    

public class MyFavoriteDAL
    {
        public int Favorite(string userid,string pnos)
        {
            string[] arr = pnos.Trim(',').Split(',');
            foreach(string str in arr)
            {
                string sql = $"insert into MyFavorite(userid,pno) values('{userid}','{str}')";
                DbAccess.DBHelper.ExecuteNonQuery(sql);//后期需要用事务
            }
            return 1;
        }
    }

后端代码

        [HttpPost]
        public int Favorite(string pnos)
        {
            string userid= HttpContext.Session["userid"].ToString();
            return  new MyFavoriteBLL().Favorite(userid, pnos);
        }

    ajax收藏
    function MyFavorite() {
        var arr = document.getElementsByName("xselect");
        var str = "";
        for (var i = 0; i < arr.length; i++) {
            if (arr[i].checked)
                str += arr[i].id + ",";
        }
        //alert(str);
        $.ajax({
            url: '/Home/Favorite',
            type: 'post',
            dataType: 'json',
            data: { pnos: str },
            success: function (data) {
                if (data > 0)
                    alert("收藏成功！");
            }
        })
    }