SweetAlert插件示例

$(".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")
          }
        }
      })
    });
})