一、代码如下
1 let vcity = {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 '} 2 const arrInt = [7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2] 3 const arrCh = ['1', '0', 'X', '9', '8', '7', '6', '5', '4', '3', '2'] 4 let birth = '' 5 // 检查号码是否符合规范，包括长度，类型 6 function isCardNo (card) { 7 // 身份证号码为15位或者18位，15位时全为数字，18位前17位为数字，最后一位是校验位，可能为数字或字符X 8 return /(^\d{15}$)|(^\d{17}(\d|X)$)/.test(card) 9 } 10 // 取身份证前两位,校验省份 11 function checkProvince (card) { 12 let province = card.substr(0, 2) 13 return vcity[province] !== undefined 14 // return true 15 } 16 17 // 检查生日是否正确 18 function checkBirthday (card) { 19 let len = card.length 20 var arrdata, year, month, day, birthday 21 // 身份证15位时，次序为省（3位）市（3位）年（2位）月（2位）日（2位）校验位（3位），皆为数字 22 if (len === 15) { 23 let refifteen = /^(\d{6})(\d{2})(\d{2})(\d{2})(\d{3})$/ 24 arrdata = card.match(refifteen) 25 year = arrdata[2] 26 month = arrdata[3] 27 day = arrdata[4] 28 birthday = new Date('19' + year + '/' + month + '/' + day) 29 return verifyBirthday('19' + year, month, day, birthday) 30 } 31 // 身份证18位时，次序为省（3位）市（3位）年（4位）月（2位）日（2位）校验位（4位），校验位末尾可能为X 32 if (len === 18) { 33 var reeighteen = /^(\d{6})(\d{4})(\d{2})(\d{2})(\d{3})([0-9]|X)$/ 34 arrdata = card.match(reeighteen) 35 year = arrdata[2] 36 month = arrdata[3] 37 day = arrdata[4] 38 birthday = new Date(year + '/' + month + '/' + day) 39 // console.log(birthday) 40 return verifyBirthday(year, month, day, birthday) 41 } 42 return false 43 } 44 // 校验日期 45 function verifyBirthday (year, month, day, birthday) { 46 birth = `${year}-${month}-${day}` 47 var now = new Date() 48 var nowyear = now.getFullYear() 49 // 年月日是否合理 50 if (birthday.getFullYear() === +year && (birthday.getMonth() + 1) === +month && birthday.getDate() === +day) { 51 // 判断年份的范围（3岁到150岁之间) 52 var time = nowyear - year 53 if (time >= 3 && time <= 150) { 54 return true 55 } 56 57 return false 58 } 59 return false 60 } 61 // 校验位的检测 62 function checkParity (card) { 63 // 15位转18位 64 card = changeFivteenToEighteen(card) 65 var len = card.length 66 var valnum 67 var cardTemp = 0 68 if (len === 18) { 69 for (let i = 0; i < 17; i++) { 70 cardTemp += card.substr(i, 1) * arrInt[i] 71 } 72 valnum = arrCh[cardTemp % 11] 73 if (valnum === card.substr(17, 1)) { 74 return true 75 } 76 return false 77 } 78 return false 79 } 80 function changeFivteenToEighteen (card) { 81 var cardTemp = 0 82 83 if (card.length === 15) { 84 card = card.substr(0, 6) + '19' + card.substr(6, card.length - 6) 85 for (let i = 0; i < 17; i++) { 86 cardTemp += card.substr(i, 1) * arrInt[i] 87 } 88 card += arrCh[cardTemp % 11] 89 return card 90 } 91 return card 92 } 93 function getSex (card) { 94 let sex = 0 95 let sexNo = 0 96 if (card.length === 18) { 97 sexNo = card.substring(16, 17) 98 } else if (card.length === 15) { 99 sexNo = card.substring(14, 15) 100 } 101 sex = sexNo % 2 102 if (sex === 0) { 103 sex = 2 104 } 105 return sex 106 } 107 export function getAge (card) { 108 if (card === null) return null 109 let len = card.length 110 var arrdata, year, month, day, age 111 112 var myDate = new Date() 113 var nowY = myDate.getFullYear() 114 var nowM = myDate.getMonth() + 1 115 var nowD = myDate.getDate() // 获取当前日(1-31) 116 if (len === 15) { 117 let refifteen = /^(\d{6})(\d{2})(\d{2})(\d{2})(\d{3})$/ 118 arrdata = card.match(refifteen) 119 year = arrdata[2] 120 month = arrdata[3] 121 day = arrdata[4] 122 123 if (nowM > month || (nowM === month && nowD >= day)) { age = nowY - year } else { age = nowY - year - 1 } 124 } 125 if (len === 18) { 126 var reeighteen = /^(\d{6})(\d{4})(\d{2})(\d{2})(\d{3})([0-9]|X)$/ 127 arrdata = card.match(reeighteen) 128 year = arrdata[2] 129 month = arrdata[3] 130 day = arrdata[4] 131 132 if (nowM > month || (nowM === month && nowD >= day)) { age = nowY - year } else { age = nowY - year - 1 } 133 } 134 if (age < 0) return null 135 else return age 136 } 137 export function checkIDcard (card) { 138 let errNo = 0 139 if (card === '') { 140 errNo = 1 141 } else if (isCardNo(card) === false) { 142 errNo = 2 143 } else if (checkProvince(card) === false) { 144 errNo = 3 145 } else if (checkBirthday(card) === false) { 146 errNo = 4 147 } else if (checkParity(card) === false) { 148 errNo = 5 149 } 150 return {errno: errNo, birthday: birth, gender: getSex(card), age: getAge(card)} 151 }
在外部主要使用checkIDCard方法即可。