GET请求 this.$.param用法

   // 弹框查询

            dataFun(){

                let paramString = this.$.param({ ...this.modalDataObj,userIds:[1,2,3]},true);

                console.log("传值",paramString)

                this.$axios({

                    url: `/materialDemand/getBarCodeList?${paramString}`,

                    method: 'get',

                }).then((data) => {

                    if (data.code === 200) {

                        console.log('详情数据', data.obj)

                        this.modalData=data.obj

                    }

                })

            },