身份证号码验证（15位和18位且最后一位是X时不区分大小写）

import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.GregorianCalendar;
import java.util.Hashtable;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

public class IdCardUtils {
  //身份证号码验证：start

    /**  
        * 功能：身份证的有效验证  
        * @param IDStr 身份证号  
        * @return 有效：返回"" 无效：返回String信息  
        * @throws ParseException  
        */  
    @SuppressWarnings("rawtypes")
    public static boolean IDCardValidate(String IDStr) throws ParseException {   
           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) {    
               return false;   
           }   
           // =======================(end)========================   

           // ================ 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) {    
               return false;   
           }   
           // =======================(end)========================   

           // ================ 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) {      
               return false;   
           }   
           GregorianCalendar gc = new GregorianCalendar();   
           SimpleDateFormat s = new SimpleDateFormat("yyyy-MM-dd");   
           if ((gc.get(Calendar.YEAR) - Integer.parseInt(strYear)) > 150  
                   || (gc.getTime().getTime() - s.parse(   
                           strYear + "-" + strMonth + "-" + strDay).getTime()) < 0) {     
               return false;   
           }   
           if (Integer.parseInt(strMonth) > 12 || Integer.parseInt(strMonth) == 0) {      
               return false;   
           }   
           if (Integer.parseInt(strDay) > 31 || Integer.parseInt(strDay) == 0) {     
               return false;   
           }   
           // =====================(end)=====================   

           // ================ 地区码时候有效 ================   
           Hashtable h = GetAreaCode();   
           if (h.get(Ai.substring(0, 2)) == null) {      
               return false;   
           }   
           // ==============================================   

           // ================ 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) {    
                  return false;   
              }   
           } else {   
                return true;   
            }   
            // =====================(end)=====================   
            return true;   
        }

       /**  
         * 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  
         */  
        @SuppressWarnings({ "rawtypes", "unchecked" })
        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;
    }

    //身份证号码验证：end 
}