shuquAi/utils/calAge.js

export default function getAge(strAge) {
	var birArr = strAge.split("-");
	var birYear = birArr[0];
	var birMonth = birArr[1];
	var birDay = birArr[2];

	d = new Date();
	var nowYear = d.getFullYear();
	var nowMonth = d.getMonth() + 1; //记得加1
	var nowDay = d.getDate();
	var returnAge;

	if (birArr == null) {
		return false
	};
	var d = new Date(birYear, birMonth - 1, birDay);
	if (d.getFullYear() == birYear && (d.getMonth() + 1) == birMonth && d.getDate() == birDay) {
		if (nowYear == birYear) {
			returnAge = 0; // 
		} else {
			var ageDiff = nowYear - birYear; // 
			if (ageDiff > 0) {
				if (nowMonth == birMonth) {
					var dayDiff = nowDay - birDay; // 
					if (dayDiff < 0) {
						returnAge = ageDiff - 1;
					} else {
						returnAge = ageDiff;
					}
				} else {
					var monthDiff = nowMonth - birMonth; // 
					if (monthDiff < 0) {
						returnAge = ageDiff - 1;
					} else {
						returnAge = ageDiff;
					}
				}
			} else {
				return "出生日期晚于今天，数据有误"; //返回-1 表示出生日期输入错误 晚于今天
			}
		}
		return returnAge;
	} else {
		return ("输入的日期格式错误！");
	}
}