// 数组去重 export function useUniqueArray(arr: any) { return [...new Set(arr)] } // 根据数组中对象的某个属性去重 export function useUniqueArrayOnObject(arr: any, key: string) { for (let i = 0; i < arr.length; i++) { for (let j = i + 1; j < arr.length; j++) { if (arr[i][key] == arr[j][key]) { arr.splice(j, 1) j-- } } } return arr }