handleRemove(index, data) {
const idx = index + (this.pageNum - 1) * this.pageSize // 获取下标
this.bannerDataList.splice(idx, 1) // 删除操作
this.total = this.bannerDataList.length
this.bannerData = this.bannerDataList.slice((this.pageNum - 1) * this.pageSize) // 进行分页处理
if (this.bannerData.length === 0) {
his.bannerGoPage(this.pageNum - 1)
}
},