常用js工具类之关于身份证号码验证的几个实用函数
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身份证号码有效性验证
function isIDCard(idcard) { idcard = idcard.toUpperCase(); // 对身份证号码做处理 var ereg; var Y, JYM; var S, M; /*基本校验*/ //if (String.isNullOrEmpty(idcard)) return false; var idcard_array = new Array(); idcard_array = idcard.split(""); /*身份号码位数及格式检验*/ switch (idcard.length) { case 15: if ((parseInt(idcard.substr(6, 2)) + 1900) % 4 == 0 || ((parseInt(idcard.substr(6, 2)) + 1900) % 100 == 0 && (parseInt(idcard.substr(6, 2)) + 1900) % 4 == 0)) { ereg = /^[1-9][0-9]{5}[0-9]{2}((01|03|05|07|08|10|12)(0[1-9]|[1-2][0-9]|3[0-1])|(04|06|09|11)(0[1-9]|[1-2][0-9]|30)|02(0[1-9]|[1-2][0-9]))[0-9]{3}$/; //测试出生日期的合法性 } else { ereg = /^[1-9][0-9]{5}[0-9]{2}((01|03|05|07|08|10|12)(0[1-9]|[1-2][0-9]|3[0-1])|(04|06|09|11)(0[1-9]|[1-2][0-9]|30)|02(0[1-9]|1[0-9]|2[0-8]))[0-9]{3}$/; //测试出生日期的合法性 } if (ereg.test(idcard)) { return true; } else { return false; } break; case 18: //18位身份号码检测 //出生日期的合法性检查 //闰年月日:((01|03|05|07|08|10|12)(0[1-9]|[1-2][0-9]|3[0-1])|(04|06|09|11)(0[1-9]|[1-2][0-9]|30)|02(0[1-9]|[1-2][0-9])) //平年月日:((01|03|05|07|08|10|12)(0[1-9]|[1-2][0-9]|3[0-1])|(04|06|09|11)(0[1-9]|[1-2][0-9]|30)|02(0[1-9]|1[0-9]|2[0-8])) if (parseInt(idcard.substr(6, 4)) % 4 == 0 || (parseInt(idcard.substr(6, 4)) % 100 == 0 && parseInt(idcard.substr(6, 4)) % 4 == 0)) { ereg = /^[1-9][0-9]{5}19[0-9]{2}((01|03|05|07|08|10|12)(0[1-9]|[1-2][0-9]|3[0-1])|(04|06|09|11)(0[1-9]|[1-2][0-9]|30)|02(0[1-9]|[1-2][0-9]))[0-9]{3}[0-9XxAa]$/; //闰年出生日期的合法性正则表达式 } else { ereg = /^[1-9][0-9]{5}19[0-9]{2}((01|03|05|07|08|10|12)(0[1-9]|[1-2][0-9]|3[0-1])|(04|06|09|11)(0[1-9]|[1-2][0-9]|30)|02(0[1-9]|1[0-9]|2[0-8]))[0-9]{3}[0-9XxAa]$/; //平年出生日期的合法性正则表达式 } if (ereg.test(idcard)) {//测试出生日期的合法性 //计算校验位 S = (parseInt(idcard_array[0]) + parseInt(idcard_array[10])) * 7 + (parseInt(idcard_array[1]) + parseInt(idcard_array[11])) * 9 + (parseInt(idcard_array[2]) + parseInt(idcard_array[12])) * 10 + (parseInt(idcard_array[3]) + parseInt(idcard_array[13])) * 5 + (parseInt(idcard_array[4]) + parseInt(idcard_array[14])) * 8 + (parseInt(idcard_array[5]) + parseInt(idcard_array[15])) * 4 + (parseInt(idcard_array[6]) + parseInt(idcard_array[16])) * 2 + parseInt(idcard_array[7]) * 1 + parseInt(idcard_array[8]) * 6 + parseInt(idcard_array[9]) * 3; Y = S % 11; M = "F"; JYM = "10X98765432"; M = JYM.substr(Y, 1); /*判断校验位*/ if (M == idcard_array[17]) { /*检测ID的校验位false;*/ return true; } else if (idcard_array[17] == ‘A‘) {//A结尾不校验规则 return true; /*检测ID的校验位false;*/ } else { return false; } } else { return false; } break; default: return false; } }
从身份证号码中获取相关信息,比如生日,省:
function checkID(ID) { if(typeof ID !== ‘string‘) return ‘非法字符串‘; var city = {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"}; var birthday = ID.substr(6, 4) + ‘/‘ + Number(ID.substr(10, 2)) + ‘/‘ + Number(ID.substr(12, 2)); var d = new Date(birthday); var newBirthday = d.getFullYear() + ‘/‘ + Number(d.getMonth() + 1) + ‘/‘ + Number(d.getDate()); var currentTime = new Date().getTime(); var time = d.getTime(); var arrInt = [7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2]; var arrCh = [‘1‘, ‘0‘, ‘X‘, ‘9‘, ‘8‘, ‘7‘, ‘6‘, ‘5‘, ‘4‘, ‘3‘, ‘2‘]; var sum = 0, i, residue; if(!/^d{17}(d|x)$/i.test(ID)) return ‘非法身份证‘; if(city[ID.substr(0,2)] === undefined) return "非法地区"; if(time >= currentTime || birthday !== newBirthday) return ‘非法生日‘; for(i=0; i<17; i++) { sum += ID.substr(i, 1) * arrInt[i]; } residue = arrCh[sum % 11]; if (residue !== ID.substr(17, 1)) return ‘非法身份证哦‘; return city[ID.substr(0,2)]+","+birthday+","+(ID.substr(16,1)%2?" 男":"女") }
验证香港身份证的格式或真实性:
function IsHKID(str) { var strValidChars = "ABCDEFGHIJKLMNOPQRSTUVWXYZ" // basic check length if (str.length < 8) return false; // handling bracket if (str.charAt(str.length-3) == ‘(‘ && str.charAt(str.length-1) == ‘)‘) str = str.substring(0, str.length - 3) + str.charAt(str.length -2); // convert to upper case str = str.toUpperCase(); // regular expression to check pattern and split var hkidPat = /^([A-Z]{1,2})([0-9]{6})([A0-9])$/; var matchArray = str.match(hkidPat); // not match, return false if (matchArray == null) return false; // the character part, numeric part and check digit part var charPart = matchArray[1]; var numPart = matchArray[2]; var checkDigit = matchArray[3]; // calculate the checksum for character part var checkSum = 0; if (charPart.length == 2) { checkSum += 9 * (10 + strValidChars.indexOf(charPart.charAt(0))); checkSum += 8 * (10 + strValidChars.indexOf(charPart.charAt(1))); } else { checkSum += 9 * 36; checkSum += 8 * (10 + strValidChars.indexOf(charPart)); } // calculate the checksum for numeric part for (var i = 0, j = 7; i < numPart.length; i++, j--) checkSum += j * numPart.charAt(i); // verify the check digit var remaining = checkSum % 11; var verify = remaining == 0 ? 0 : 11 - remaining; return verify == checkDigit || (verify == 10 && checkDigit == ‘A‘); }
在网上找了很久都没合意的验证方式,最后通过Google找到一个国外写的js验证,发现可以使用。
上面那段验证的很精密,包含身份证真实性的校验,如果只是想验证输入的香港身份证格式,请使用下面的这段js。
function IsHKID(str) { var strValidChars = "ABCDEFGHIJKLMNOPQRSTUVWXYZ" // basic check length if (str.length < 8) return false; // handling bracket if (str.charAt(str.length-3) == ‘(‘ && str.charAt(str.length-1) == ‘)‘) str = str.substring(0, str.length - 3) + str.charAt(str.length -2); // convert to upper case str = str.toUpperCase(); // regular expression to check pattern and split var hkidPat = /^([A-Z]{1,2})([0-9]{6})([A0-9])$/; var matchArray = str.match(hkidPat); // not match, return false if (matchArray == null) return false; return true; }
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