let staff = [{ id: "001", name: "张三" }, { id: "002", name: "李四" }, { id: "002", name: "李四" }]; let staffObject = {}; let result = []; for (let i = 0; i < staff.length; i++) { staffObject[JSON.stringify(staff[i])] = true; } console.log(staffObject); let keyItems = Object.keys(staffObject); console.log(keyItems); for (let j = 0; j < keyItems.length; j++) { result.push(JSON.parse(keyItems[j])); } console.log(result);