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java常用工具類 XML工具類、數據驗證工具類

發布時間:2020-08-24 11:40:05 來源:腳本之家 閱讀:206 作者:遠方© 欄目:編程語言

本文實例為大家分享了java常用工具類的具體代碼,供大家參考,具體內容如下

package com.jarvis.base.util;

import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.io.StringReader;
import java.io.StringWriter;
import java.net.URL;
import java.util.Properties;

import javax.xml.transform.OutputKeys;
import javax.xml.transform.Result;
import javax.xml.transform.Source;
import javax.xml.transform.Transformer;
import javax.xml.transform.TransformerFactory;
import javax.xml.transform.stream.StreamResult;
import javax.xml.transform.stream.StreamSource;

import org.dom4j.Document;
import org.dom4j.Element;
import org.dom4j.io.OutputFormat;
import org.dom4j.io.SAXReader;
import org.dom4j.io.XMLWriter;

/**
 * 
 * 
 * @Title: XMLHelper.java
 * @Package com.jarvis.base.util
 * @Description:XML工具類
 * @version V1.0 
 */
public final class XMLHelper {
 /**
 * 把XML按照給定的XSL進行轉換,返回轉換后的值
 *
 * @param xml
 *   xml
 * @param xsl
 *   xsl
 * @return
 * @throws Exception
 */
 public static String xml2xsl(String xml, URL xsl) throws Exception {
 if (StringHelper.isEmpty(xml)) {
 throw new Exception("xml string is empty");
 }
 if (xsl == null) {
 throw new Exception("xsl string is empty");
 }

 StringWriter writer = new StringWriter();
 Source xmlSource = null;
 Source xslSource = null;
 Result result = null;

 try {
 xmlSource = new StreamSource(new StringReader(xml));
 xslSource = new StreamSource(xsl.openStream());
 result = new StreamResult(writer);

 TransformerFactory transFact = TransformerFactory.newInstance();
 Transformer trans = transFact.newTransformer(xslSource);
 trans.transform(xmlSource, result);
 return writer.toString();
 } catch (Exception ex) {
 throw new Exception(ex);
 } finally {
 writer.close();
 writer = null;
 xmlSource = null;
 xslSource = null;
 result = null;
 }
 }

 /**
 * 把XML按用戶定義好的XSL樣式進行輸出
 *
 * @param xmlFilePath
 *   XML文檔
 * @param xsl
 *   XSL樣式
 * @return 樣式化后的字段串
 */
 public static String xml2xsl(String xmlFilePath, String xsl) throws Exception {
 if (StringHelper.isEmpty(xmlFilePath)) {
 throw new Exception("xml string is empty");
 }
 if (StringHelper.isEmpty(xsl)) {
 throw new Exception("xsl string is empty");
 }

 StringWriter writer = new StringWriter();
 Source xmlSource = new StreamSource(new File(xmlFilePath));
 Source xslSource = new StreamSource(new File(xsl));
 Result result = new StreamResult(writer);

 try {
 TransformerFactory transFact = TransformerFactory.newInstance();
 Transformer trans = transFact.newTransformer(xslSource);
 Properties properties = trans.getOutputProperties();
 properties.setProperty(OutputKeys.ENCODING, "UTF-8");
 properties.put(OutputKeys.METHOD, "html");
 trans.setOutputProperties(properties);

 trans.transform(xmlSource, result);
 return writer.toString();
 } finally {
 writer.close();
 writer = null;

 xmlSource = null;
 xslSource = null;
 result = null;
 }
 }

 /**
 * 讀取XML文檔,返回Document對象.<br>
 *
 * @param xmlFile
 *   XML文件路徑
 * @return Document 對象
 */
 public static Document getDocument(String xmlFile) throws Exception {
 if (StringHelper.isEmpty(xmlFile)) {
 return null;
 }

 File file = null;
 SAXReader saxReader = new SAXReader();

 file = new File(xmlFile);
 return saxReader.read(file);
 }

 /**
 * 讀取XML文檔,返回Document對象.<br>
 *
 * @param xmlFile
 *   file對象
 * @return Document 對象
 */
 public static Document getDocument(File xmlFile) {
 try {
 SAXReader saxReader = new SAXReader();
 return saxReader.read(xmlFile);
 } catch (Exception ex) {
 ex.printStackTrace();
 System.err.println("讀取xml文件出錯,返回null");
 return null;
 }
 }

 /**
 * 讀取XML字串,返回Document對象
 *
 * @param xmlString
 *   XML文件路徑
 * @return Document 對象
 */
 public static Document getDocumentFromString(String xmlString) {
 if (StringHelper.isEmpty(xmlString)) {
 return null;
 }
 try {
 SAXReader saxReader = new SAXReader();
 return saxReader.read(new StringReader(xmlString));
 } catch (Exception ex) {
 ex.printStackTrace();
 System.err.println("讀取xml文件出錯,返回null");
 return null;
 }
 }

 /**
 * 描述:把xml輸出成為html 作者: 時間:Oct 29, 2008 4:57:56 PM
 * 
 * @param xmlDoc
 *   xmlDoc
 * @param xslFile
 *   xslFile
 * @param encoding
 *   編碼
 * @return
 * @throws Exception
 */
 public static String xml2html(String xmlDoc, String xslFile, String encoding) throws Exception {
 if (StringHelper.isEmpty(xmlDoc)) {
 throw new Exception("xml string is empty");
 }
 if (StringHelper.isEmpty(xslFile)) {
 throw new Exception("xslt file is empty");
 }

 StringWriter writer = new StringWriter();
 Source xmlSource = null;
 Source xslSource = null;
 Result result = null;
 String html = null;
 try {
 xmlSource = new StreamSource(new StringReader(xmlDoc));
 xslSource = new StreamSource(new File(xslFile));

 result = new StreamResult(writer);

 TransformerFactory transFact = TransformerFactory.newInstance();
 Transformer trans = transFact.newTransformer(xslSource);
 Properties properties = trans.getOutputProperties();
 properties.put(OutputKeys.METHOD, "html");
 properties.setProperty(OutputKeys.ENCODING, encoding);
 trans.setOutputProperties(properties);

 trans.transform(xmlSource, result);

 html = writer.toString();
 writer.close();

 return html;
 } catch (Exception ex) {
 throw new Exception(ex);
 } finally {
 writer = null;

 xmlSource = null;
 xslSource = null;
 result = null;
 }
 }

 /**
 * 描述:把xml輸出成為html
 * 
 * @param xmlFile
 *   xmlFile
 * @param xslFile
 *   xslFile
 * @param encoding
 *   編碼
 * @return
 * @throws Exception
 */
 public static String xmlFile2html(String xmlFile, String xslFile, String encoding) throws Exception {
 if (StringHelper.isEmpty(xmlFile)) {
 throw new Exception("xml string is empty");
 }
 if (StringHelper.isEmpty(xslFile)) {
 throw new Exception("xslt file is empty");
 }

 StringWriter writer = new StringWriter();
 Source xmlSource = null;
 Source xslSource = null;
 Result result = null;
 String html = null;
 try {
 xmlSource = new StreamSource(new File(xmlFile));
 xslSource = new StreamSource(new File(xslFile));

 result = new StreamResult(writer);

 TransformerFactory transFact = TransformerFactory.newInstance();
 Transformer trans = transFact.newTransformer(xslSource);
 Properties properties = trans.getOutputProperties();
 properties.put(OutputKeys.METHOD, "html");
 properties.setProperty(OutputKeys.ENCODING, encoding);
 trans.setOutputProperties(properties);

 trans.transform(xmlSource, result);

 html = writer.toString();
 writer.close();

 return html;
 } catch (Exception ex) {
 throw new Exception(ex);
 } finally {
 writer = null;

 xmlSource = null;
 xslSource = null;
 result = null;
 }
 }

 /**
 * 描述:
 * 
 * @param name
 *   名
 * @param element
 *   元素
 * @return
 */
 public static String getString(String name, Element element) {
 return (element.valueOf(name) == null) ? "" : element.valueOf(name);
 }

 /**
 * 將一個XML文檔保存至文件中.
 *
 * @param doc
 *   要保存的XML文檔對象.
 * @param filePath
 *   要保存到的文檔路徑.
 * @param format
 *   要保存的輸出格式
 * @return true代表保存成功,否則代表不成功.
 */
 public static boolean savaToFile(Document doc, String filePathName, OutputFormat format) {
 XMLWriter writer;
 try {
 String filePath = FileHelper.getFullPath(filePathName);
 // 若目錄不存在,則建立目錄
 if (!FileHelper.exists(filePath)) {
 if (!FileHelper.createDirectory(filePath)) {
  return false;
 }
 }

 writer = new XMLWriter(new FileWriter(new File(filePathName)), format);
 writer.write(doc);
 writer.close();
 return true;
 } catch (IOException ex) {
 ex.printStackTrace();
 System.err.println("寫文件出錯");
 }

 return false;
 }

 /**
 * 將一個XML文檔保存至文件中.
 *
 * @param filePath
 *   要保存到的文檔路徑.
 * @param doc
 *   要保存的XML文檔對象.
 * @return true代表保存成功,否則代表不成功.
 */
 public static boolean writeToXml(String filePathName, Document doc) {
 OutputFormat format = OutputFormat.createCompactFormat();
 format.setEncoding("UTF-8");
 return savaToFile(doc, filePathName, format);
 }
}

數據驗證工具類

package com.jarvis.base.util;

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

/**
 * 說明: 常用的數據驗證工具類。
 *
 */
public class ValidateUtil {

 
 public static final Pattern CODE_PATTERN = Pattern.compile("^0\\d{2,4}$");
 public static final Pattern POSTCODE_PATTERN = Pattern.compile("^\\d{6}$");
 public static final Pattern BANK_CARD_PATTERN = Pattern.compile("^\\d{16,30}$");
 /** 
  * 匹配圖象 
  * 
  * 
  * 格式: /相對路徑/文件名.后綴 (后綴為gif,dmp,png) 
  * 
  * 匹配 : /forum/head_icon/admini2005111_ff.gif 或 admini2005111.dmp 
  * 
  * 
  * 不匹配: c:/admins4512.gif 
  * 
  */ 
  public static final String ICON_REGEXP = "^(/{0,1}//w){1,}//.(gif|dmp|png|jpg)$|^//w{1,}//.(gif|dmp|png|jpg)$"; 
 
  /** 
  * 匹配email地址 
  * 
  * 
  * 格式: XXX@XXX.XXX.XX 
  * 
  * 匹配 : foo@bar.com 或 foobar@foobar.com.au 
  * 
  * 不匹配: foo@bar 或 $$$@bar.com 
  * 
  */ 
  public static final String EMAIL_REGEXP = "(?://w[-._//w]*//w@//w[-._//w]*//w//.//w{2,3}$)"; 
 
  /** 
  * 匹配并提取url 
  * 
  * 
  * 格式: XXXX://XXX.XXX.XXX.XX/XXX.XXX?XXX=XXX 
  * 
  * 匹配 : http://www.suncer.com 或news://www 
  * 
  * 不匹配: c:/window 
  * 
  */ 
  public static final String URL_REGEXP = "(//w+)://([^/:]+)(://d*)?([^#//s]*)"; 
 
  /** 
  * 匹配并提取http 
  * 
  * 格式: http://XXX.XXX.XXX.XX/XXX.XXX?XXX=XXX 或 ftp://XXX.XXX.XXX 或 
  * https://XXX 
  * 
  * 匹配 : http://www.suncer.com:8080/index.html?login=true 
  * 
  * 不匹配: news://www 
  * 
  */ 
  public static final String HTTP_REGEXP = "(http|https|ftp)://([^/:]+)(://d*)?([^#//s]*)"; 
 
  /** 
  * 匹配日期 
  * 
  * 
  * 格式(首位不為0): XXXX-XX-XX或 XXXX-X-X 
  * 
  * 
  * 范圍:1900--2099 
  * 
  * 
  * 匹配 : 2005-04-04 
  * 
  * 
  * 不匹配: 01-01-01 
  * 
  */ 
  public static final String DATE_BARS_REGEXP = "^((((19){1}|(20){1})\\d{2})|\\d{2})-[0,1]?\\d{1}-[0-3]?\\d{1}$"; 
 
  /** 
  * 匹配日期 
  * 
  * 
  * 格式: XXXX/XX/XX 
  * 
  * 
  * 范圍: 
  * 
  * 
  * 匹配 : 2005/04/04 
  * 
  * 
  * 不匹配: 01/01/01 
  * 
  */ 
  public static final String DATE_SLASH_REGEXP = "^[0-9]{4}/(((0[13578]|(10|12))/(0[1-9]|[1-2][0-9]|3[0-1]))|(02-(0[1-9]|[1-2][0-9]))|((0[469]|11)/(0[1-9]|[1-2][0-9]|30)))$"; 
 
  /** 
  * 匹配電話 
  * 
  * 
  * 格式為: 0XXX-XXXXXX(10-13位首位必須為0) 或0XXX XXXXXXX(10-13位首位必須為0) 或 
  * 
  * (0XXX)XXXXXXXX(11-14位首位必須為0) 或 XXXXXXXX(6-8位首位不為0) 或 
  * XXXXXXXXXXX(11位首位不為0) 
  * 
  * 
  * 匹配 : 0371-123456 或 (0371)1234567 或 (0371)12345678 或 010-123456 或 
  * 010-12345678 或 12345678912 
  * 
  * 
  * 不匹配: 1111-134355 或 0123456789 
  * 
  */ 
  public static final String PHONE_REGEXP = "^(?:0[0-9]{2,3}[-//s]{1}|//(0[0-9]{2,4}//))[0-9]{6,8}$|^[1-9]{1}[0-9]{5,7}$|^[1-9]{1}[0-9]{10}$"; 
 
  /** 
  * 匹配身份證 
  * 
  * 格式為: XXXXXXXXXX(10位) 或 XXXXXXXXXXXXX(13位) 或 XXXXXXXXXXXXXXX(15位) 或 
  * XXXXXXXXXXXXXXXXXX(18位) 
  * 
  * 匹配 : 0123456789123 
  * 
  * 不匹配: 0123456 
  * 
  */ 
  public static final String ID_CARD_REGEXP = "^//d{10}|//d{13}|//d{15}|//d{18}$"; 
 
  /** 
  * 匹配郵編代碼 
  * 
  * 格式為: XXXXXX(6位) 
  * 
  * 匹配 : 012345 
  * 
  * 不匹配: 0123456 
  * 
  */ 
  public static final String ZIP_REGEXP = "^[0-9]{6}$";// 匹配郵編代碼 
 
  /** 
  * 不包括特殊字符的匹配 (字符串中不包括符號 數學次方號^ 單引號' 雙引號" 分號; 逗號, 帽號: 數學減號- 右尖括號> 左尖括號< 反斜杠/ 
  * 即空格,制表符,回車符等 ) 
  * 
  * 格式為: x 或 一個一上的字符 
  * 
  * 匹配 : 012345 
  * 
  * 不匹配: 0123456 // ;,:-<>//s].+$";// 
  */ 
  public static final String NON_SPECIAL_CHAR_REGEXP = "^[^'/"; 
  // 匹配郵編代碼 
 
  /** 
  * 匹配非負整數(正整數 + 0) 
  */ 
  public static final String NON_NEGATIVE_INTEGERS_REGEXP = "^//d+$"; 
 
  /** 
  * 匹配不包括零的非負整數(正整數 > 0) 
  */ 
  public static final String NON_ZERO_NEGATIVE_INTEGERS_REGEXP = "^[1-9]+//d*$"; 
 
  /** 
  * 
  * 匹配正整數 
  * 
  */ 
  public static final String POSITIVE_INTEGER_REGEXP = "^[0-9]*[1-9][0-9]*$"; 
 
  /** 
  * 
  * 匹配非正整數(負整數 + 0) 
  * 
  */ 
  public static final String NON_POSITIVE_INTEGERS_REGEXP = "^((-//d+)|(0+))$"; 
 
  /** 
  * 
  * 匹配負整數 
  * 
  */ 
  public static final String NEGATIVE_INTEGERS_REGEXP = "^-[0-9]*[1-9][0-9]*$"; 
 
  /** 
  * 
  * 匹配整數 
  * 
  */ 
  public static final String INTEGER_REGEXP = "^-?//d+$"; 
 
  /** 
  * 
  * 匹配非負浮點數(正浮點數 + 0) 
  * 
  */ 
  public static final String NON_NEGATIVE_RATIONAL_NUMBERS_REGEXP = "^//d+(//.//d+)?$"; 
 
  /** 
  * 
  * 匹配正浮點數 
  * 
  */ 
  public static final String POSITIVE_RATIONAL_NUMBERS_REGEXP = "^(([0-9]+//.[0-9]*[1-9][0-9]*)|([0-9]*[1-9][0-9]*//.[0-9]+)|([0-9]*[1-9][0-9]*))$"; 
 
  /** 
  * 
  * 匹配非正浮點數(負浮點數 + 0) 
  * 
  */ 
  public static final String NON_POSITIVE_RATIONAL_NUMBERS_REGEXP = "^((-//d+(//.//d+)?)|(0+(//.0+)?))$"; 
 
  /** 
  * 
  * 匹配負浮點數 
  * 
  */ 
  public static final String NEGATIVE_RATIONAL_NUMBERS_REGEXP = "^(-(([0-9]+//.[0-9]*[1-9][0-9]*)|([0-9]*[1-9][0-9]*//.[0-9]+)|([0-9]*[1-9][0-9]*)))$"; 
 
  /** 
  * 
  * 匹配浮點數 
  * 
  */ 
  public static final String RATIONAL_NUMBERS_REGEXP = "^(-?//d+)(//.//d+)?$"; 
 
  /** 
  * 
  * 匹配由26個英文字母組成的字符串 
  * 
  */ 
  public static final String LETTER_REGEXP = "^[A-Za-z]+$"; 
 
  /** 
  * 
  * 匹配由26個英文字母的大寫組成的字符串 
  * 
  */ 
  public static final String UPWARD_LETTER_REGEXP = "^[A-Z]+$"; 
 
  /** 
  * 
  * 匹配由26個英文字母的小寫組成的字符串 
  * 
  */ 
  public static final String LOWER_LETTER_REGEXP = "^[a-z]+$"; 
 
  /** 
  * 
  * 匹配由數字和26個英文字母組成的字符串 
  * 
  */ 
  public static final String LETTER_NUMBER_REGEXP = "^[A-Za-z0-9]+$"; 
 
  /** 
  * 
  * 匹配由數字、26個英文字母或者下劃線組成的字符串 
  * 
  */ 
  public static final String LETTER_NUMBER_UNDERLINE_REGEXP = "^//w+$"; 
 
 
 public static boolean validateEmail(String str) {
 if (str == null || str.trim().length() == 0) {
 return false;
 }
 Pattern pattern = Pattern.compile(
 "^([\\w-\\.]+)@((\\[[0-9]{1,3}\\.[0-9]{1,3}\\.[0-9]{1,3}\\.)|(([\\w-]+\\.)+))([a-zA-Z]{2,4}|[0-9]{1,3})(\\]?)$");

 // Pattern pattern =
 // Pattern.compile("^([a-zA-Z0-9_-])+@(([a-zA-z0-9]-*){1,}\\.){1,3}[a-zA-z\\-]{1,}");
 Matcher matcher = pattern.matcher(str);

 return matcher.matches();

 }

 public static boolean validateMoblie(String str) {
 if (str == null || str.trim().length() == 0) {
 return false;
 }
 Pattern pattern = Pattern.compile("^(13|14|15|17|18)[0-9]{9}$");
 Matcher matcher = pattern.matcher(str);

 return matcher.matches();

 }
 
 /**
  * 驗證區號是否有效.
  *
  * @param code 要驗證的區號
  * @return 是否正確身份證
  */
 public static boolean validateCode(String code) {
  if (StringHelper.isEmpty(code)) {
   return false;
  }
  Matcher m = CODE_PATTERN.matcher(code);
  return m.matches();
 }

 /**
  * 驗證郵政編碼是否有效.
  *
  * @param postcode 要驗證的郵政編碼
  * @return 是否正確郵政編碼
  */
 public static boolean validatePostcode(String postcode) {
  if (StringHelper.isEmpty(postcode)) {
   return false;
  }
  Matcher m = POSTCODE_PATTERN.matcher(postcode);
  return m.matches();
 }
 
 /**
  * 驗證銀行卡是否有效.
  *
  * @param bankCardNumber 要驗證的銀行卡號
  * @return 是否正確銀行卡號
  */
 public static boolean validateBankCardNumber(String bankCardNumber) {
  if (StringHelper.isEmpty(bankCardNumber)) {
   return false;
  }
  Matcher m = BANK_CARD_PATTERN.matcher(bankCardNumber);
  return m.matches();
 }
 
 /**
  * 通過身份證獲取生日
  *
  * @param idNumber 身份證號
  * @return 返回生日, 格式為 yyyy-MM-dd 的字符串
  */
 public static String getBirthdayByIdNumber(String idNumber) {

  String birthday = "";

  if (idNumber.length() == 15) {
   birthday = "19" + idNumber.substring(6, 8) + "-" + idNumber.substring(8, 10) + "-" + idNumber.substring(10, 12);
  } else if (idNumber.length() == 18) {
   birthday = idNumber.substring(6, 10) + "-" + idNumber.substring(10, 12) + "-" + idNumber.substring(12, 14);
  }

  return birthday;

 }
 
 /**
  * 通過身份證獲取性別
  *
  * @param idNumber 身份證號
  * @return 返回性別, 0 保密 , 1 男 2 女
  */
 public static Integer getGenderByIdNumber(String idNumber) {

  int gender = 0;

  if (idNumber.length() == 15) {
   gender = Integer.parseInt(String.valueOf(idNumber.charAt(14))) % 2 == 0 ? 2 : 1;
  } else if (idNumber.length() == 18) {
   gender = Integer.parseInt(String.valueOf(idNumber.charAt(16))) % 2 == 0 ? 2 : 1;
  }

  return gender;

 }
 
 /**
  * 通過身份證獲取年齡
  *
  * @param idNumber  身份證號
  * @param isNominalAge 是否按元旦算年齡,過了1月1日加一歲 true : 是 false : 否
  * @return 返回年齡
  */
 public static Integer getAgeByIdNumber(String idNumber, boolean isNominalAge) {

  String birthString = getBirthdayByIdNumber(idNumber);
  if (StringHelper.isEmpty(birthString)) {
   return 0;
  }

  return getAgeByBirthString(birthString, isNominalAge);

 }
 
 
 /**
  * 通過生日日期獲取年齡
  *
  * @param birthDate 生日日期
  * @return 返回年齡
  */
 public static Integer getAgeByBirthDate(Date birthDate) {

  return getAgeByBirthString(new SimpleDateFormat("yyyy-MM-dd").format(birthDate));

 }
 
 /**
  * 通過生日字符串獲取年齡
  *
  * @param birthString 生日字符串
  * @return 返回年齡
  */
 public static Integer getAgeByBirthString(String birthString) {

  return getAgeByBirthString(birthString, "yyyy-MM-dd");

 }

 
 /**
  * 通過生日字符串獲取年齡
  *
  * @param birthString 生日字符串
  * @param isNominalAge 是否按元旦算年齡,過了1月1日加一歲 true : 是 false : 否
  * @return 返回年齡
  */
 public static Integer getAgeByBirthString(String birthString, boolean isNominalAge) {

  return getAgeByBirthString(birthString, "yyyy-MM-dd", isNominalAge);

 }
 
 /**
  * 通過生日字符串獲取年齡
  *
  * @param birthString 生日字符串
  * @param format  日期字符串格式,為空則默認"yyyy-MM-dd"
  * @return 返回年齡
  */
 public static Integer getAgeByBirthString(String birthString, String format) {
  return getAgeByBirthString(birthString, "yyyy-MM-dd", false);
 }
 
 /**
  * 通過生日字符串獲取年齡
  *
  * @param birthString 生日字符串
  * @param format  日期字符串格式,為空則默認"yyyy-MM-dd"
  * @param isNominalAge 是否按元旦算年齡,過了1月1日加一歲 true : 是 false : 否
  * @return 返回年齡
  */
 public static Integer getAgeByBirthString(String birthString, String format, boolean isNominalAge) {
  int age = 0;
  if (StringHelper.isEmpty(birthString)) {
   return age;
  }
  if (StringHelper.isEmpty(format)) {
   format = "yyyy-MM-dd";
  }
  try {

   Calendar birthday = Calendar.getInstance();
   Calendar today = Calendar.getInstance();
   SimpleDateFormat sdf = new SimpleDateFormat(format);
   birthday.setTime(sdf.parse(birthString));
   age = today.get(Calendar.YEAR) - birthday.get(Calendar.YEAR);
   if (!isNominalAge) {
    if (today.get(Calendar.MONTH) < birthday.get(Calendar.MONTH) ||
      (today.get(Calendar.MONTH) == birthday.get(Calendar.MONTH) &&
        today.get(Calendar.DAY_OF_MONTH) < birthday.get(Calendar.DAY_OF_MONTH))) {
     age = age - 1;
    }
   }
  } catch (ParseException e) {
   e.printStackTrace();
  }

  return age;

 }
 
 /** 
  * 大小寫敏感的正規表達式批配 
  * 
  * @param source 
  *   批配的源字符串 
  * @param regexp 
  *   批配的正規表達式 
  * @return 如果源字符串符合要求返回真,否則返回假 
  */ 
 public static boolean isHardRegexpValidate(String str, String regexp) {
  if (str == null || str.trim().length() == 0) {
 return false;
 }
   Pattern pattern = Pattern.compile(regexp);
  Matcher matcher = pattern.matcher(str);
  return matcher.matches();
 } 
 
}

以上就是本文的全部內容,希望對大家的學習有所幫助,也希望大家多多支持億速云。

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