$(".btn-danger").on("click", function () {

  swal({

    title: "你确定要删除吗？",

    text: "删除可就找不回来了哦！",

    type: "warning",

    showCancelButton: true,

    confirmButtonClass: "btn-danger",

    confirmButtonText: "删除",

    cancelButtonText: "取消",

    closeOnConfirm: false

    },

    function () {

      var deleteId = $(this).parent().parent().attr("data_id");

      $.ajax({

        url: "/delete_book/",

        type: "post",

        data: {"id": deleteId},

        success: function (data) {

          if (data.status === 1) {

            swal("删除成功!", "你可以准备跑路了！", "success");

          } else {

            swal("删除失败", "你可以再尝试一下！", "error")

          }

        }

      })

    });

})