layui文件上传需要编写动态URL的时候需要重载方法

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var uploadInst = upload.render({             elem: '#WebButton'             /* , url: url //此处配置你自己的上传接口即可*/             , auto: true             , accept: 'file'             //,multiple: true            // , bindAction: '#test9'             , done: function (res) {                 layer.msg(res.msg);                 console.log(res)             }         });        let url ;         btn.addEventListener('click', function () {             let select = document.querySelector('#WebSelect');             url = '/Home/Contraband?id=' + select.value + '';             //重载文件上传url             uploadInst.reload({                 url: url             });         });