Java常用工具类---XML工具类、数据验证工具类

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工具类
 * @version V1.0  
 */
public final class XMLHelper {
	/**
	 * 把XML按照给定的XSL进行转换,返回转换后的值
	 *
	 * @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按用户定义好的XSL样式进行输出
	 *
	 * @param xmlFilePath
	 *            XML文档
	 * @param xsl
	 *            XSL样式
	 * @return 样式化后的字段串
	 */
	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;
		}
	}

	/**
	 * 读取XML文档,返回Document对象.<br>
	 *
	 * @param xmlFile
	 *            XML文件路径
	 * @return Document 对象
	 */
	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);
	}

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

	/**
	 * 读取XML字串,返回Document对象
	 *
	 * @param xmlString
	 *            XML文件路径
	 * @return Document 对象
	 */
	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("读取xml文件出错,返回null");
			return null;
		}
	}

	/**
	 * 描述:把xml输出成为html 作者: 时间:Oct 29, 2008 4:57:56 PM
	 * 
	 * @param xmlDoc
	 *            xmlDoc
	 * @param xslFile
	 *            xslFile
	 * @param encoding
	 *            编码
	 * @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输出成为html
	 * 
	 * @param xmlFile
	 *            xmlFile
	 * @param xslFile
	 *            xslFile
	 * @param encoding
	 *            编码
	 * @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);
	}

	/**
	 * 将一个XML文档保存至文件中.
	 *
	 * @param doc
	 *            要保存的XML文档对象.
	 * @param filePath
	 *            要保存到的文档路径.
	 * @param format
	 *            要保存的输出格式
	 * @return true代表保存成功,否则代表不成功.
	 */
	public static boolean savaToFile(Document doc, String filePathName, OutputFormat format) {
		XMLWriter writer;
		try {
			String filePath = FileHelper.getFullPath(filePathName);
			// 若目录不存在,则建立目录
			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("写文件出错");
		}

		return false;
	}

	/**
	 * 将一个XML文档保存至文件中.
	 *
	 * @param filePath
	 *            要保存到的文档路径.
	 * @param doc
	 *            要保存的XML文档对象.
	 * @return true代表保存成功,否则代表不成功.
	 */
	public static boolean writeToXml(String filePathName, Document doc) {
		OutputFormat format = OutputFormat.createCompactFormat();
		format.setEncoding("UTF-8");
		return savaToFile(doc, filePathName, format);
	}
}




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;

/**
 * 说明: 常用的数据验证工具类。
 *
 */
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}$");
	 /** 
	     * 匹配图象 
	     *  
	     *  
	     * 格式: /相对路径/文件名.后缀 (后缀为gif,dmp,png) 
	     *  
	     * 匹配 : /forum/head_icon/admini2005111_ff.gif 或 admini2005111.dmp 
	     *  
	     *  
	     * 不匹配: c:/admins4512.gif 
	     *  
	     */  
	    public static final String ICON_REGEXP = "^(/{0,1}//w){1,}//.(gif|dmp|png|jpg)$|^//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(首位不为0): XXXX-XX-XX或 XXXX-X-X 
	     *  
	     *  
	     * 范围: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 
	     *  
	     *  
	     * 范围: 
	     *  
	     *  
	     * 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)))$";  
	  
	    /** 
	     * 匹配电话 
	     *  
	     *  
	     * 格式为: 0XXX-XXXXXX(10-13位首位必须为0) 或0XXX XXXXXXX(10-13位首位必须为0) 或 
	     *  
	     * (0XXX)XXXXXXXX(11-14位首位必须为0) 或 XXXXXXXX(6-8位首位不为0) 或 
	     * XXXXXXXXXXX(11位首位不为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}$";  
	  
	    /** 
	     * 匹配身份证 
	     *  
	     * 格式为: 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}$";  
	  
	    /** 
	     * 匹配邮编代码 
	     *  
	     * 格式为: XXXXXX(6位) 
	     *  
	     * 匹配 : 012345 
	     *  
	     * 不匹配: 0123456 
	     *  
	     */  
	    public static final String ZIP_REGEXP = "^[0-9]{6}$";// 匹配邮编代码  
	  
	    /** 
	     * 不包括特殊字符的匹配 (字符串中不包括符号 数学次方号^ 单引号' 双引号" 分号; 逗号, 帽号: 数学减号- 右尖括号> 左尖括号< 反斜杠/ 
	     * 即空格,制表符,回车符等 ) 
	     *  
	     * 格式为: x 或 一个一上的字符 
	     *  
	     * 匹配 : 012345 
	     *  
	     * 不匹配: 0123456 // ;,:-<>//s].+$";// 
	     */  
	    public static final String NON_SPECIAL_CHAR_REGEXP = "^[^'/";  
	    // 匹配邮编代码  
	  
	    /** 
	     * 匹配非负整数(正整数 + 0) 
	     */  
	    public static final String NON_NEGATIVE_INTEGERS_REGEXP = "^//d+$";  
	  
	    /** 
	     * 匹配不包括零的非负整数(正整数 > 0) 
	     */  
	    public static final String NON_ZERO_NEGATIVE_INTEGERS_REGEXP = "^[1-9]+//d*$";  
	  
	    /** 
	     *  
	     * 匹配正整数 
	     *  
	     */  
	    public static final String POSITIVE_INTEGER_REGEXP = "^[0-9]*[1-9][0-9]*$";  
	  
	    /** 
	     *  
	     * 匹配非正整数(负整数 + 0) 
	     *  
	     */  
	    public static final String NON_POSITIVE_INTEGERS_REGEXP = "^((-//d+)|(0+))$";  
	  
	    /** 
	     *  
	     * 匹配负整数 
	     *  
	     */  
	    public static final String NEGATIVE_INTEGERS_REGEXP = "^-[0-9]*[1-9][0-9]*$";  
	  
	    /** 
	     *  
	     * 匹配整数 
	     *  
	     */  
	    public static final String INTEGER_REGEXP = "^-?//d+$";  
	  
	    /** 
	     *  
	     * 匹配非负浮点数(正浮点数 + 0) 
	     *  
	     */  
	    public static final String NON_NEGATIVE_RATIONAL_NUMBERS_REGEXP = "^//d+(//.//d+)?$";  
	  
	    /** 
	     *  
	     * 匹配正浮点数 
	     *  
	     */  
	    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]*))$";  
	  
	    /** 
	     *  
	     * 匹配非正浮点数(负浮点数 + 0) 
	     *  
	     */  
	    public static final String NON_POSITIVE_RATIONAL_NUMBERS_REGEXP = "^((-//d+(//.//d+)?)|(0+(//.0+)?))$";  
	  
	    /** 
	     *  
	     * 匹配负浮点数 
	     *  
	     */  
	    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]*)))$";  
	  
	    /** 
	     *  
	     * 匹配浮点数 
	     *  
	     */  
	    public static final String RATIONAL_NUMBERS_REGEXP = "^(-?//d+)(//.//d+)?$";  
	  
	    /** 
	     *  
	     * 匹配由26个英文字母组成的字符串 
	     *  
	     */  
	    public static final String LETTER_REGEXP = "^[A-Za-z]+$";  
	  
	    /** 
	     *  
	     * 匹配由26个英文字母的大写组成的字符串 
	     *  
	     */  
	    public static final String UPWARD_LETTER_REGEXP = "^[A-Z]+$";  
	  
	    /** 
	     *  
	     * 匹配由26个英文字母的小写组成的字符串 
	     *  
	     */  
	    public static final String LOWER_LETTER_REGEXP = "^[a-z]+$";  
	  
	    /** 
	     *  
	     * 匹配由数字和26个英文字母组成的字符串 
	     *  
	     */  
	    public static final String LETTER_NUMBER_REGEXP = "^[A-Za-z0-9]+$";  
	  
	    /** 
	     *  
	     * 匹配由数字、26个英文字母或者下划线组成的字符串 
	     *  
	     */  
	    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();

	}
	
	 /**
     * 验证区号是否有效.
     *
     * @param code 要验证的区号
     * @return 是否正确身份证
     */
    public static boolean validateCode(String code) {
        if (StringHelper.isEmpty(code)) {
            return false;
        }
        Matcher m = CODE_PATTERN.matcher(code);
        return m.matches();
    }

    /**
     * 验证邮政编码是否有效.
     *
     * @param postcode 要验证的邮政编码
     * @return 是否正确邮政编码
     */
    public static boolean validatePostcode(String postcode) {
        if (StringHelper.isEmpty(postcode)) {
            return false;
        }
        Matcher m = POSTCODE_PATTERN.matcher(postcode);
        return m.matches();
    }
    
    /**
     * 验证银行卡是否有效.
     *
     * @param bankCardNumber 要验证的银行卡号
     * @return 是否正确银行卡号
     */
    public static boolean validateBankCardNumber(String bankCardNumber) {
        if (StringHelper.isEmpty(bankCardNumber)) {
            return false;
        }
        Matcher m = BANK_CARD_PATTERN.matcher(bankCardNumber);
        return m.matches();
    }
    
    /**
     * 通过身份证获取生日
     *
     * @param idNumber 身份证号
     * @return 返回生日, 格式为 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;

    }
	
    /**
     * 通过身份证获取性别
     *
     * @param idNumber 身份证号
     * @return 返回性别, 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;

    }
    
	/**
     * 通过身份证获取年龄
     *
     * @param idNumber     身份证号
     * @param isNominalAge 是否按元旦算年龄,过了1月1日加一岁 true : 是 false : 否
     * @return 返回年龄
     */
    public static Integer getAgeByIdNumber(String idNumber, boolean isNominalAge) {

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

        return getAgeByBirthString(birthString, isNominalAge);

    }
	
	
	 /**
     * 通过生日日期获取年龄
     *
     * @param birthDate 生日日期
     * @return 返回年龄
     */
    public static Integer getAgeByBirthDate(Date birthDate) {

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

    }
	
	 /**
     * 通过生日字符串获取年龄
     *
     * @param birthString 生日字符串
     * @return 返回年龄
     */
    public static Integer getAgeByBirthString(String birthString) {

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

    }

	
	 /**
     * 通过生日字符串获取年龄
     *
     * @param birthString  生日字符串
     * @param isNominalAge 是否按元旦算年龄,过了1月1日加一岁 true : 是 false : 否
     * @return 返回年龄
     */
    public static Integer getAgeByBirthString(String birthString, boolean isNominalAge) {

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

    }
	
	/**
     * 通过生日字符串获取年龄
     *
     * @param birthString 生日字符串
     * @param format      日期字符串格式,为空则默认"yyyy-MM-dd"
     * @return 返回年龄
     */
    public static Integer getAgeByBirthString(String birthString, String format) {
        return getAgeByBirthString(birthString, "yyyy-MM-dd", false);
    }
	
	/**
     * 通过生日字符串获取年龄
     *
     * @param birthString  生日字符串
     * @param format       日期字符串格式,为空则默认"yyyy-MM-dd"
     * @param isNominalAge 是否按元旦算年龄,过了1月1日加一岁 true : 是 false : 否
     * @return 返回年龄
     */
    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;

    }
    
    /** 
     * 大小写敏感的正规表达式批配 
     *  
     * @param source 
     *            批配的源字符串 
     * @param regexp 
     *            批配的正规表达式 
     * @return 如果源字符串符合要求返回真,否则返回假 
     */  
    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();
    }  
	
}

  

原文:https://blog.csdn.net/zhang150114/article/details/90411989

原文地址:https://www.cnblogs.com/qbdj/p/10945340.html