身份证格式验证

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package com.sinosoft.utils;
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 IDCardValidate {
//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
*/
public static String IDCardValidate(String IDStr) throws ParseException {
String errorInfo = "";// 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 = "";
// ================ 号码的长度 15位或18位 ================
if (IDStr.length() != 15 && IDStr.length() != 18) {
errorInfo = "身份证号码长度应该为15位或18位。";
return errorInfo;
}
// =======================(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) {
errorInfo = "身份证15位号码都应为数字 ; 18位号码除最后一位外，都应为数字。";
return errorInfo;
}
// =======================(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) {
errorInfo = "身份证生日无效。";
return errorInfo;
}
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) {
errorInfo = "身份证生日不在有效范围。";
return errorInfo;
}
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;
}
// =====================(end)=====================
// ==============================================
// ================ 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];
Ai = Ai + strVerifyCode;
if (IDStr.length() == 18) {
if (Ai.equals(IDStr) == false) {
errorInfo = "身份证无效，不是合法的身份证号码";
return errorInfo;
}
} else {
return "";
}
// =====================(end)=====================
return "";
}
/**
* 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;
}
}
/**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
}

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