/**
 * 生日日期转年龄
 * @param {string} birth 2024-07-02
 * @returns {number}
 */
export const calculateAge = (birth: string) => {
  const birthday = new Date(birth);
  const today = new Date();
  const ageInMilliseconds = today.getTime() - birthday.getTime();
  const ageInYears = Math.floor(
    ageInMilliseconds / (365 * 24 * 60 * 60 * 1000)
  );
  return ageInYears;
};

import {calculateAge } from "/@/utils/utils";//引入

//页面使用（后端返回的是2024-07-02 00:00：00所以需要使用.substring(0, 10)方法截取，只返回日期则直接使用返回的变量）

      <el-table-column align="center" label="年龄（岁）" width="110">
          <template #default="scope">
            {{
              scope.row.birthday
                ? calculateAge(scope.row.birthday.substring(0, 10))
                : "-"
            }}
          </template>
        </el-table-column>