对一维数组进行去重

 //保存时判断是否有重复的项
    saveCheckRemoveUid(removeList){
      let uidList = removeList.map((v) => {
        return v.removeUid
      })
     // console.log(uidList);
     //重排后会去除重复的项 对比长度就能知道是否有重复项
      let uniq = [...new Set(uidList)]
      //console.log(uniq);
      if(uniq.length != uidList.length){
         return false
      }else{
        return true
      }
    },