本文主要是介绍身份证正确性校验，希望对大家解决编程问题提供一定的参考价值，需要的开发者们随着小编来一起学习吧！
验证身份证的有效性，是否符合身份证规范；调用IDCardValidate方法，返回“true”为有效，否则为无效提示
/** * 功能：身份证的有效验证 * @param IDStr 身份证号 * @return 有效：返回"true" ；无效：返回String信息 * @throws ParseException */ public static String IDCardValidate(String IDStr) throws ParseException { String errorInfo = "true";// 记录错误信息 String[] ValCodeArr = { "1", "0", "x", "9", "8", "7", "6", "5", "4","3", "2" }; String[] Wi = { "7", "9", "10", "5", "8", "4", "2", "1", "6", "3", "7", "9", "10", "5", "8", "4", "2" }; String Ai = "";String Ai1 = "";String Ai2 = "";// 号码的长度 15位或18位 if (IDStr.length() != 15 && IDStr.length() != 18) { errorInfo = "身份证号格式不正确"; return errorInfo; } //数字 除最后以为都为数字if (IDStr.length() == 18) { Ai = IDStr.substring(0, 17); } else if (IDStr.length() == 15) { Ai = IDStr.substring(0, 6) + "19" + IDStr.substring(6, 15); } if (isNumeric(Ai) == false) { errorInfo = "身份证号格式不正确"; return errorInfo; } //出生年月是否有效String strYear = Ai.substring(6, 10);// 年份 String strMonth = Ai.substring(10, 12);// 月份 String strDay = Ai.substring(12, 14);// 月份 if (isDataFormat(strYear + "-" + strMonth + "-" + strDay) == false) { errorInfo = "身份证生日无效。"; return errorInfo; } GregorianCalendar gc = new GregorianCalendar(); SimpleDateFormat s = new SimpleDateFormat("yyyy-MM-dd"); try {if ((gc.get(Calendar.YEAR) - Integer.parseInt(strYear)) > 150 || (gc.getTime().getTime() - s.parse(strYear + "-" + strMonth + "-" + strDay).getTime())< 0){ errorInfo = "身份证生日不在有效范围。"; return errorInfo; }} catch (NumberFormatException e) {e.printStackTrace();} catch (java.text.ParseException e) {e.printStackTrace();} if (Integer.parseInt(strMonth) > 12 || Integer.parseInt(strMonth) == 0) { errorInfo = "身份证月份无效"; return errorInfo; } if (Integer.parseInt(strDay) > 31 || Integer.parseInt(strDay) == 0) { errorInfo = "身份证日期无效"; return errorInfo; } //地区码时候有效 Hashtable h = GetAreaCode(); if (h.get(Ai.substring(0, 2)) == null) { errorInfo = "身份证地区编码错误"; return errorInfo; } //判断最后一位的值 int TotalmulAiWi = 0; for (int i = 0; i < 17; i++) { TotalmulAiWi = TotalmulAiWi + Integer.parseInt(String.valueOf(Ai.charAt(i))) * Integer.parseInt(Wi[i]); } int modValue = TotalmulAiWi % 11; String strVerifyCode = ValCodeArr[modValue]; Ai1 = Ai + strVerifyCode.toUpperCase(); Ai2 = Ai + strVerifyCode.toLowerCase(); if (IDStr.length() == 18) { if (Ai1.equals(IDStr) == false && Ai2.equals(IDStr) == false) { errorInfo = "身份证号格式不正确"; return errorInfo; } }else{return errorInfo;}return errorInfo; }/** * 功能：判断字符串是否为数字 * @param str * @return */ private static boolean isNumeric(String str) { Pattern pattern = Pattern.compile("[0-9]*"); Matcher isNum = pattern.matcher(str); if (isNum.matches()) { return true; } else { return false; } }/** * 功能：设置地区编码 * @return Hashtable 对象 */ private static Hashtable GetAreaCode() { Hashtable hashtable = new Hashtable(); hashtable.put("11", "北京"); hashtable.put("12", "天津"); hashtable.put("13", "河北"); hashtable.put("14", "山西"); hashtable.put("15", "内蒙古"); hashtable.put("21", "辽宁"); hashtable.put("22", "吉林"); hashtable.put("23", "黑龙江"); hashtable.put("31", "上海"); hashtable.put("32", "江苏"); hashtable.put("33", "浙江"); hashtable.put("34", "安徽"); hashtable.put("35", "福建"); hashtable.put("36", "江西"); hashtable.put("37", "山东"); hashtable.put("41", "河南"); hashtable.put("42", "湖北"); hashtable.put("43", "湖南"); hashtable.put("44", "广东"); hashtable.put("45", "广西"); hashtable.put("46", "海南"); hashtable.put("50", "重庆"); hashtable.put("51", "四川"); hashtable.put("52", "贵州"); hashtable.put("53", "云南"); hashtable.put("54", "西藏"); hashtable.put("61", "陕西"); hashtable.put("62", "甘肃"); hashtable.put("63", "青海"); hashtable.put("64", "宁夏"); hashtable.put("65", "新疆"); hashtable.put("71", "台湾"); hashtable.put("81", "香港"); hashtable.put("82", "澳门"); hashtable.put("91", "国外"); return hashtable; }/*** 验证日期字符串是否是YYYY-MM-DD格式* @param str* @return*/public static boolean isDataFormat(String str){boolean flag=false;//String regxStr="[1-9][0-9]{3}-[0-1][0-2]-((0[1-9])|([12][0-9])|(3[01]))";String regxStr="^((\\d{2}(([02468][048])|([13579][26]))[\\-\\/\\s]?((((0?[13578])|(1[02]))[\\-\\/\\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\\-\\/\\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\\-\\/\\s]?((0?[1-9])|([1-2][0-9])))))|(\\d{2}(([02468][1235679])|([13579][01345789]))[\\-\\/\\s]?((((0?[13578])|(1[02]))[\\-\\/\\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\\-\\/\\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\\-\\/\\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\\s(((0?[0-9])|([1-2][0-3]))\\:([0-5]?[0-9])((\\s)|(\\:([0-5]?[0-9])))))?$";Pattern pattern1=Pattern.compile(regxStr);Matcher isNo=pattern1.matcher(str);if(isNo.matches()){flag=true;}return flag;}
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