$.ajax({

             type: "post",//请求的类型

             url: "/book/detail?act=lsid",//请求路径带参数

             data: {id: id}

         }).done(function (da) {

             $("#bookId").val(da.id);

             $("#bookname").val(da.name);

             $("#bookprice").val(da.price);

             $("#bookauthor").val(da.author.trim());

             $("#bookpress").val(da.press.trim());

         }).fail(function (xhr, textStatus, errorThrown) {

             alert("原生ajax：" + xhr + textStatus + "详细错误：" + errorThrown);

         }).always(function () {

             console.log("完成任务流程结束");

         })