根据出生日期获取年龄

//根据身份证号码算出年龄

function pub_get_age_pid(lv_pid) {  //必须和 dateTimeFormate 方法一起添加
    var strBirthday = lv_pid.substr(6, 4) + "-" + lv_pid.substr(10, 2) + "-" + lv_pid.substr(12, 2);
    if (strBirthday == null || strBirthday == "") {
        //alert("出生日期不能为空");
        return "";
    }
    var returnAge;
    var strBirthdayArr = strBirthday.split("-");
    var birthYear = strBirthdayArr[0];
    var birthMonth = strBirthdayArr[1];
    var birthDay = strBirthdayArr[2];

    //屏蔽获取客户端时间的方法
    /*d = new Date();
     var nowYear = d.getFullYear();
     var nowMonth = d.getMonth() + 1;
     var nowDay = d.getDate();*/

    //该方法能从服务端获取服务器时间
    var test_date = $.ajax({async: false}).getResponseHeader("Date");
    var test_date2 = dateTimeFormate(test_date).toString();
    var nowYear = parseInt(test_date2.substring(0, 4));
    var nowMonth = parseInt(test_date2.substring(5, 7));
    var nowDay = parseInt(test_date2.substring(8, 10));

    if (nowYear == birthYear) {
        returnAge = 0;//同年 则为0岁
    }
    else {
        var ageDiff = nowYear - birthYear; //年之差
        if (ageDiff > 0) {
            if (nowMonth == birthMonth) {
                var dayDiff = nowDay - birthDay;//日之差
                if (dayDiff < 0) {
                    returnAge = ageDiff - 1;
                }
                else {
                    returnAge = ageDiff;
                }
            }
            else {
                var monthDiff = nowMonth - birthMonth;//月之差
                if (monthDiff < 0) {
                    returnAge = ageDiff - 1;
                }
                else {
                    returnAge = ageDiff;
                }
            }
        }
        else {
            returnAge = -1;//返回-1 表示出生日期输入错误 晚于今天
        }
    }
    return returnAge;//返回周岁年龄
}

//根据出生日期算出年龄
function pub_get_age(strBirthday) {
    if (strBirthday == null || strBirthday == "") {
        return "";
    }
    var returnAge;
    var strBirthdayArr = strBirthday.split("-");
    var birthYear = strBirthdayArr[0];
    var birthMonth = strBirthdayArr[1];
    var birthDay = strBirthdayArr[2];

    //屏蔽获取客户端时间的方法
    /*d = new Date();
     var nowYear = d.getFullYear();
     var nowMonth = d.getMonth() + 1;
     var nowDay = d.getDate();*/

    //该方法能从服务端获取服务器时间
    var test_date = $.ajax({async: false}).getResponseHeader("Date");
    var test_date2 = dateTimeFormate(test_date).toString();
    var nowYear = parseInt(test_date2.substring(0, 4));
    var nowMonth = parseInt(test_date2.substring(5, 7));
    var nowDay = parseInt(test_date2.substring(8, 10));

    if (nowYear == birthYear) {
        returnAge = 0;//同年 则为0岁
    }
    else {
        var ageDiff = nowYear - birthYear; //年之差
        if (ageDiff > 0) {
            if (nowMonth == birthMonth) {
                var dayDiff = nowDay - birthDay;//日之差
                if (dayDiff < 0) {
                    returnAge = ageDiff - 1;
                }
                else {
                    returnAge = ageDiff;
                }
            }
            else {
                var monthDiff = nowMonth - birthMonth;//月之差
                if (monthDiff < 0) {
                    returnAge = ageDiff - 1;
                }
                else {
                    returnAge = ageDiff;
                }
            }
        }
        else {
            returnAge = -1;//返回-1 表示出生日期输入错误 晚于今天
        }
    }

    return returnAge;//返回周岁年龄

}



//格式化时间的方法

function dateTimeFormate(date) {
    if (!date) {
        return
    } else {
        var d = new Date(date);
        var year = d.getFullYear();
        var month = ('0' + (d.getMonth() + 1)).slice(-2);
        var day = ('0' + (d.getDate())).slice(-2);
        var hour = ('0' + (d.getHours())).slice(-2);
        var minutes = ('0' + (d.getMinutes())).slice(-2);
        var seconds = ('0' + (d.getSeconds())).slice(-2);
        return year + "-" + month + "-" + day + " " + hour + ":" + minutes + ":" + seconds;
    }
}