| import java.util.regex.*; /** *<p>Title:验证18/15位中国公民身份证号码，并分析有效的数据</p> *<p>Description:</p> *<p>Copyright:Copyright(c)2004</p> *<p>Company:Labile</p> *@authornotattributable *@version1.0 */ publicclass Verifier { privatestaticfinal String verify18PatternStr = "(\\d{6})" + "(\\d{8})" + "(\\d{3})" + "([\\d[xX]]{1})"; privatestaticfinal Pattern verify18Pattern = Pattern.compile(verify18PatternStr); privatestaticfinal String verify15PatternStr = "(\\d{6})" + "(\\d{6})" + "(\\d{3})"; privatestaticfinal Pattern verify15Pattern = Pattern.compile(verify15PatternStr); /** *从第18到第1位的权 */ privatestaticfinalintverify18Rights[] = {7,9,10,5,8,4,2,1,6,3,7,9,10,5,8,4,2,1}; /** *检验码校对表 */ privatestaticfinal String verify18CheckDigit[] = {"1","0","X","9","8","7","6","5","4","3","2"}; /** *地区码 */ private String areaNum; /** *出生时间 */ private String birthdayNum; /** *顺序号 */ private String seqNum; /** *校验码 */ private String check_digit; privateintlength; publicboolean isMan() { int num = Integer.parseInt(seqNum); if(num%2==1) { returntrue; } else returnfalse; } /** *得到生日的日期，格式：yyyy-mm-dd *@returnString */ public String getBirthday() { String FullBirthdayNum = null; if(length==15)//在生日号码前加“19” FullBirthdayNum = "19" + birthdayNum; else FullBirthdayNum = birthdayNum; String year = FullBirthdayNum.substring(0, 4); String month = FullBirthdayNum.substring(4, 6); String date = FullBirthdayNum.substring(6, 8); return year + "-" + month + "-" + date; } public Verifier(String IDCardNO) throws LengthIllegalException, CheckDigitInvalidException, NumberInvalidException { if(IDCardNO == null) thrownew NumberInvalidException(); length = IDCardNO.length(); switch(length) { case 15: Verifier15(IDCardNO); break; case 18: Verifier18(IDCardNO); break; default: thrownew LengthIllegalException(); } } privatevoid Verifier15(String IDCardNO) throws NumberInvalidException { Matcher m = verify15Pattern.matcher(IDCardNO); if(m.matches()==false) { thrownew NumberInvalidException(); } areaNum = m.group(1); birthdayNum = m.group(2); seqNum = m.group(3); } privatevoid Verifier18(String IDCardNO) throws CheckDigitInvalidException, NumberInvalidException { Matcher m = verify18Pattern.matcher(IDCardNO); if(m.matches()==false) { thrownew NumberInvalidException(); } areaNum = m.group(1); birthdayNum = m.group(2); seqNum = m.group(3); check_digit = m.group(4); //预期的校验位: String expect_check_digit = getCheck_digit18(IDCardNO); //如果校验位无效 if(expect_check_digit.equalsIgnoreCase(check_digit)==false) thrownew CheckDigitInvalidException(); } /** *从18位/17位身份证号算出校验位 *@paramIDCardNOString *@returnString */ publicstatic String getCheck_digit18(String IDCardNO) { //权总值 int sum = 0; for(int i=0; i<=16; i++) { int num = Integer.parseInt( IDCardNO.substring(i,i + 1) ); int right = verify18Rights[i]; sum = sum + num*right; } //对权总值取模 int y = sum % 11; returnverify18CheckDigit[y]; } publicstatic String IDCardNO15To18(String IDCardNO15) throws NumberInvalidException { Matcher m = verify15Pattern.matcher(IDCardNO15); if(m.matches()==false) { thrownew NumberInvalidException(); } String NO17 = IDCardNO15.substring(0,6) + "19" + IDCardNO15.substring(6,15); return NO17 + getCheck_digit18(NO17); } public String getAreaNum() { returnareaNum; } public String getBirthdayNum() { returnbirthdayNum; } /** *返回校验位，只有18位身份证可用，15位时返回null *@returnString */ public String getCheck_digitNum18() { returncheck_digit; } publicint getLength() { returnlength; } public String getSeqNum() { returnseqNum; } } 下载源文件 |
