//身份证校验
function isCardID (sId) {
    if (!/(^\d{15}$)|(^\d{17}(\d|X|x)$)/.test(sId)) {
        console.log('你输入的身份证长度或格式错误')
        return false
    }
    //身份证城市
    var aCity = { 11: "北京", 12: "天津", 13: "河北", 14: "山西", 15: "内蒙古", 21: "辽宁", 22: "吉林", 23: "黑龙江", 31: "上海", 32: "江苏", 33: "浙江", 34: "安徽", 35: "福建", 36: "江西", 37: "山东", 41: "河南", 42: "湖北", 43: "湖南", 44: "广东", 45: "广西", 46: "海南", 50: "重庆", 51: "四川", 52: "贵州", 53: "云南", 54: "西藏", 61: "陕西", 62: "甘肃", 63: "青海", 64: "宁夏", 65: "新疆", 71: "台湾", 81: "香港", 82: "澳门", 91: "国外" };
    if (!aCity[parseInt(sId.substr(0, 2))]) {
        console.log('你的身份证地区非法')
        return false
    }
    // 出生日期验证
    var sBirthday = (sId.substr(6, 4) + "-" + Number(sId.substr(10, 2)) + "-" + Number(sId.substr(12, 2))).replace(/-/g, "/"),
        d = new Date(sBirthday)
    if (sBirthday != (d.getFullYear() + "/" + (d.getMonth() + 1) + "/" + d.getDate())) {
        console.log('身份证上的出生日期非法')
        return false
    }
    // 身份证号码校验
    var sum = 0,
        weights = [7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2],
        codes = "10X98765432"
    for (var i = 0; i < sId.length - 1; i++) {
        sum += sId[i] * weights[i];
    }
    var last = codes[sum % 11]; //计算出来的最后一位身份证号码
    if (sId[sId.length - 1] != last) {
        console.log('你输入的身份证号非法')
        return false
    }
    return true
}

//通过身份证号码获取性别
function cardToSex {
  idNo = idNo.replace(/\s*/g, '')
  let sexStr = ''
  if (idNo.length === 15) {
    sexStr = parseInt(idNo.substring(14, 1), 10) % 2 ? '男' : '女'
  } else if (idNo.length === 18) {
    sexStr = parseInt(idNo.substring(17, 1), 10) % 2 ? '男' : '女'
  }
  return sexStr
}

//通过身份证号码获取出生年月日
function cardToBirthday (idNo, split = '-') {
  idNo = idNo.replace(/\s*/g, '')
  let tmpStr = ''
  if (idNo.length === 15) {
    tmpStr = idNo.substring(6, 12)
    tmpStr = '19' + tmpStr
    tmpStr = tmpStr.substring(0, 4) + split + tmpStr.substring(4, 6) + split + tmpStr.substring(6)
  } else if (idNo.length === 18) {
    tmpStr = idNo.substring(6, 14)
    tmpStr = tmpStr.substring(0, 4) + split + tmpStr.substring(4, 6) + split + tmpStr.substring(6)
  }
  return tmpStr
}