代码优化 let useList = ifdata && datalength 0 dataforEachv= useListpush fileName vfileName staticPath vstaticPath id vid localPat

优化代码如下：

if(data && data.length > 0) { const useList = data.map(({ fileName, staticPath, id, localPath }) => ({ fileName, staticPath, id, localPath })) this.bgList.push(...useList) this.curSelect = this.bgList.length - 1 this.bgObj = this.bgList[this.curSelect] this.selectBg = this.bgList[this.curSelect]?.staticPath || '' this.$store.commit('SET_ISBGSELECT', this.curSelect) this.$store.commit('SET_BGTEMPLIST', this.bgList) }