计算年龄

computeAge(birthday) {
  let getYeardata = birthday.split(" ")[0];
  let getTimedata = birthday.split(" ")[1];
  //  年月日  时分秒
  const beforeYear = getYeardata.split("-")[0];
  const beforeMonth = getYeardata.split("-")[1];
  const beforeDate = getYeardata.split("-")[2];
  const beforeHours = getTimedata.split(":")[0];
  const beforeMinutes = getTimedata.split(":")[1];
  const beforeSeconds = getTimedata.split(":")[2];
  const nowDate = new Date();
  nowDate.getFullYear(); //获取完整的年份(4位,1970-????)
  nowDate.getMonth(); //获取当前月份(0-11,0代表1月)
  nowDate.getDate(); //获取当前日(1-31)
  nowDate.getHours(); //获取当前小时数(0-23)
  nowDate.getMinutes(); //获取当前分钟数(0-59)
  nowDate.getSeconds(); //获取当前秒数(0-59)
  // 计算差值
  let year = nowDate.getFullYear() - beforeYear;
  let month = nowDate.getMonth() - beforeMonth + 1;
  let day = nowDate.getDate() - beforeDate;
  let hour = nowDate.getHours() - beforeHours;
  let minute = nowDate.getMinutes() - beforeMinutes;

  while (minute < 0 || hour < 0 || day < 0 || month < 0 || year < 0) {
    if (minute < 0) {
      --hour;
      minute = 60 + minute;
    } else if (hour < 0) {
      --day;
      hour = 24 + hour;
    } else if (day < 0) {
      --month;
      day = 30 + day;
    } else if (month < 0) {
      --year;
      month = 12 + month;
    }
  };
  this.form.setFieldsValue({year: year});
  this.form.setFieldsValue({month: month});
  this.form.setFieldsValue({day: day});
  this.form.setFieldsValue({time: hour});
},