身份证校验

校验身份证是否正确

public class IDCardUtil {

private String errorInfo = "";

public String getErrorInfo() {
return errorInfo;
}

public boolean checkIDCard(String strIDCard) {
try {
String[] verifyCodes = {"1", "0", "x", "9", "8", "7", "6", "5", "4",
"3", "2"};
String[] wCodes = {"7", "9", "10", "5", "8", "4", "2", "1", "6", "3", "7",
"9", "10", "5", "8", "4", "2"};
String exEnd = "";  //除最后一位
// ================ 号码的长度 15位或18位 ================
if (strIDCard.length() != 15 && strIDCard.length() != 18) {
errorInfo = "身份证号码长度应该为15位或18位";
return false;
}

// ================ 数字 除最后一位都为数字 ================
if (strIDCard.length() == 18) {
exEnd = strIDCard.substring(0, 17);
} else if (strIDCard.length() == 15) {
exEnd = strIDCard.substring(0, 6) + "19" + strIDCard.substring(6, 15);
}
if (!isNumeric(exEnd)) {
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 false;
}

// ================ 出生年月是否有效 ================
String strYear = exEnd.substring(6, 10);// 年份
String strMonth = exEnd.substring(10, 12);// 月份
String strDay = exEnd.substring(12, 14);// 月份
if (!isDataFormat(strYear + "-" + strMonth + "-" + strDay)) {
errorInfo = "身份证生日无效";
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) {
errorInfo = "身份证生日不在有效范围";
return false;
}
if (Integer.parseInt(strMonth) > 12 || Integer.parseInt(strMonth) == 0) {
errorInfo = "身份证月份无效";
return false;
}
if (Integer.parseInt(strDay) > 31 || Integer.parseInt(strDay) == 0) {
errorInfo = "身份证日期无效";
return false;
}

// ================ 地区码是否有效 ================
Hashtable h = GetAreaCode();
if (h.get(exEnd.substring(0, 2)) == null) {
errorInfo = "身份证地区编码错误。";
return false;
}

// ================ 最后一位校验位计算 ================
int totalMul = 0;
for (int i = 0; i < 17; i++) {
totalMul = totalMul
+ Integer.parseInt(String.valueOf(exEnd.charAt(i)))
* Integer.parseInt(wCodes[i]);
}
int modValue = totalMul % 11;
String strVerifyCode = verifyCodes[modValue];
exEnd = exEnd + strVerifyCode;

if (strIDCard.length() == 18) {
if (!exEnd.equals(strIDCard)) {
errorInfo = "身份证无效，不是合法的身份证号码";
return false;
}
} else {
return true;
}
return true;
} catch (Exception e) {
MyLog.info(e);
return false;
}
}

/**
* 功能：设
4000
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 boolean isDataFormat(String str) {
boolean flag = false;
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;
}

/**
* 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;
}
}