Java通用工具类方法

转载：http://www.open-open.com/code/view/1453299722167

MyUtilTool    

package com.ctb.utils;import java.sql.Timestamp;import java.text.ParseException;import java.text.SimpleDateFormat;import java.util.Calendar;import java.util.Date;import java.util.List;import net.sf.json.JSONArray;import org.apache.commons.codec.digest.DigestUtils;import org.apache.commons.collections.CollectionUtils;import org.apache.commons.lang.ArrayUtils;import org.apache.commons.lang.StringUtils;import org.apache.log4j.Logger;public class MyUtilTool {private static Logger logger = Logger.getLogger(MyUtilTool.class);/** * 日期格式参数 * @author 11 */public static class DATE_PARAM{public static String STANDARD_DATE = "yyyy-MM-dd HH:mm:ss";public static String STANDARD_DATE_SIMPLE = "yyyy-MM-dd";public static String CHN_DATE = "yyyy年MM月dd日 HH时mm分ss秒";public static String CHN_DATE_SIMPLE = "yyyy年MM月dd日";}/** * 日期处理工具 * @author 11 */public static class DATE{/** * 获取当前时间 * @return */public static Long getCurrentTime() {return (new Date()).getTime();}/** * 获取当前日期的格式化字符串 * @param formateStr * @return */public static String currentDateString(String formateStr) {if (StringUtils.isEmpty(formateStr)) {formateStr = MyUtilTool.DATE_PARAM.STANDARD_DATE;}SimpleDateFormat simpleDateFormat = new SimpleDateFormat(formateStr);try {return simpleDateFormat.format(new Date());} catch (Exception e) {logger.error("日期格式化异常");}return null;}/** * 日期格式化 * @param date * @return String */public static String dateToString(Date date,String formateStr) {if (StringUtils.isEmpty(formateStr)) {formateStr = MyUtilTool.DATE_PARAM.STANDARD_DATE;}SimpleDateFormat simpleDateFormat = new SimpleDateFormat(formateStr);try {return simpleDateFormat.format(date);} catch (Exception e) {logger.error("日期格式化异常");}return null;}/** * 字符串转换成日期 *  * @param dateStr * @return */public static Date stringToDate(String dateStr,String formateStr) {if (StringUtils.isEmpty(formateStr)) {formateStr = MyUtilTool.DATE_PARAM.STANDARD_DATE;}if (dateStr != null && dateStr.length() > 0) {dateStr = formatDateStr(dateStr);SimpleDateFormat simpleDateFormat = new SimpleDateFormat(formateStr);try {return simpleDateFormat.parse(dateStr);} catch (ParseException e) {logger.error("日期格式化异常");}}return null;}/** * 格式化日期字符串 * @param dateStr * @return */private static String formatDateStr(String dateStr){String[] strs = dateStr.split("-");String str ="";for (int i = 0; i < strs.length; i++) {String ele = strs[i];if (i>0) {if (ele.length()==1) {ele = "0"+ele;}str=str+"-"+ele;}else {str=ele;}}return str;}/** * 将SQL DATE类型转换成Date类型 *  * @param sqlDate * @return */public static Date sqlDateToDate(java.sql.Date sqlDate) {long time = sqlDate.getTime();Date date = new Date(time);return date;}/** * 将Util Date类型转换成为Sql Date *  * @return */public static Timestamp currentDateToSQLTimestamp() {Date date = new Date();Timestamp timestamp = new Timestamp(date.getTime());return timestamp;}/** * 将Util Date类型转换成为Sql Date * @param date * @return */public static Timestamp dateToSQLTimestamp(Date date){if (date!=null) {Timestamp timestamp = new Timestamp(date.getTime());return timestamp;}return null;}/** * 将timestamp转换成为Date类型 * @param timestamp * @return Date */public static Date SQLTimestampToDate(Timestamp timestamp){if (timestamp!=null) {Date date = new Date(timestamp.getTime());return date;}return null;}/** * 与系统时间比较 * @param expiredTime * @return boolean */public static boolean checkExpiredTime(Date expiredTime) {if (expiredTime != null) {Date nowDate = new Date();if (expiredTime.before(nowDate)) {return true;} else {return false;}}return false;}/** * 日期计算 * @param field * @param calCount * @return */public static Date calculateDate(Date orgDate,int field,int calCount){Calendar calendar = Calendar.getInstance();calendar.setTime(orgDate);calendar.add(field, calCount);orgDate = calendar.getTime();return orgDate;}/** * 设置修改日期内容 * @param orgDate * @param field * @param setValue * @return */public static Date calculateSetDate(Date orgDate,int field,int setValue){Calendar calendar = Calendar.getInstance();calendar.setTime(orgDate);calendar.set(field, setValue);orgDate = calendar.getTime();return orgDate;}}/** * 字符串处理工具 * @author 11 */public static class STRING{/** * 验证字符串是否为空 *  * @param str * @return */public static boolean checkStrNull(String str) {if (str != null && str.trim().length() > 0) {return false;} else {return true;}}private static final int MAX_GENERATE_COUNT = 99999;private static int generateCount = 0;public static synchronized String getUniqueString() {if (generateCount > MAX_GENERATE_COUNT)generateCount = 0;String uniqueNumber = Long.toString(System.currentTimeMillis()) + Integer.toString(generateCount);generateCount++;return uniqueNumber;}/** * 将字符串中的中文转成nicode码 * @param str * @return */public static String chineseToUnicode(String str){String result="";for (int i = 0; i < str.length(); i++){            int chr1 = (char) str.charAt(i);            if(chr1>=19968&&chr1<=171941){//汉字范围 \u4e00-\u9fa5 (中文)                result+="\\u" + Integer.toHexString(chr1);            }else{            result+=str.charAt(i);            }        }try {result = new String(result.getBytes(),"utf-8");} catch (Exception e) {System.out.println("不支持的编码格式");}return result;}/** * 对字符串进行正则验证 * @param str * @param reg * @return Boolean */public static Boolean checkStrignReg(String str, String reg) {boolean regCheck = str.matches(reg);return regCheck;}/** * 替换字符 * @param str * @param oldChar * @param newChar * @return */public static String replace(String str,String oldChar,String newChar){if (StringUtils.isNotEmpty(str)) {str = str.replace(oldChar, newChar);}return str;}/** * MD5加密字符串 * @param password * @return */public static String cipherPassword(String password){String cipherPassword = DigestUtils.md5Hex(password);return cipherPassword;}/** * 取出字符串中含有的空格 * @param str * @return */public static String removeBlanksInString(String str) {if (str != null && str.trim().length() > 0) {str = str.replace(" ", "");}return str;}/** * 将字符串分割成为 * @param str * @param sign * @return String[] */public static String[] seperateStringToStrings(String str, String sign) {if (str != null && str.trim().length() > 0) {if (str.contains(sign)) {return str.split(sign);}}return null;}/** * 将字符串以字符分割 * @param orgStr * @param splitRange * @param sign * @return */public static String splitWithSign(String orgStr,Integer splitRange,String sign){if (StringUtils.isNotEmpty(orgStr)) {Integer length = orgStr.length();if (length > splitRange) {Integer splitNums = length/splitRange;Integer lastMod = length % splitRange;if (lastMod>0) {splitNums = splitNums+1;}String[] results = new String[splitNums];for (int i = 0; i < splitNums; i++) {Integer startIndex = i*splitRange;Integer endIndex = (i+1)*splitRange;if (endIndex>length) {endIndex = length;}results[i] = orgStr.substring(startIndex,endIndex);}String newStr = "";int length2 = results.length;if (ArrayUtils.isNotEmpty(results)) {for (int i = 0; i < length2; i++) {if(i==0){newStr = results[i];}else {newStr = newStr +sign+ results[i];}}}return newStr;}}return orgStr;}}/** * 集合类处理工具 *  * @author 11 */public static class COLLECTION {public static Long[] longsListToLongs(List<Long> longList) {if (CollectionUtils.isNotEmpty(longList)) {Long[] longArray = new Long[longList.size()];for (int i = 0; i < longList.size(); i++) {longArray[i] = longList.get(i);}return longArray;}return null;}public static Object[] objectsListToObjects(List<Object> objList) {if (CollectionUtils.isNotEmpty(objList)) {Object[] array = new Object[objList.size()];array = objList.toArray(array);return array;}return null;}}public static class ARRAY{public static boolean checkIntInInts(int[] results, int i) {if (ArrayUtils.isNotEmpty(results)) {for (Integer integer : results) {if (integer > i) {return true;}}}return false;}/** * 验证数组中是否包含不为空的内容 * @param strings * @return */public static boolean checkStringsAllNull(String...strings){if (ArrayUtils.isNotEmpty(strings)) {for (String string : strings) {if (StringUtils.isNotEmpty(string)) {return true;}}}return false;}/** * 将Integer类型数组转换成为Long类型数组 * @param orgArrays * @return */public static Long[] integersToLongs(Integer[] orgArrays){if (ArrayUtils.isNotEmpty(orgArrays)) {Long[] results = new Long[orgArrays.length];for (int i = 0; i < orgArrays.length; i++) {results[i] = new Long(orgArrays[i]);}return results;}return null;}/** * 将String类型数组，转换成为Long类型数组 * @param orgArrays * @return */public static Long[] stringsToLongs(String[] orgArrays){if (ArrayUtils.isNotEmpty(orgArrays)) {Long[] results = new Long[orgArrays.length];for (int i = 0; i < orgArrays.length; i++) {results[i] = new Long(orgArrays[i]);}return results;}return null;}/** * 将对象数组转成字符串 * @param array * @return */public static String objectsToStrings(Object[] array,String sepSign) {if (array != null && array.length > 0) {String result = "";for (int i = 0; i < array.length; i++) {if (i==0) {result = array[0].toString();}else {result = result+sepSign+array[i];}}return result;}return null;}/** * 验证字符串数组中是否存在字符串 * @param strs * @param str * @return Boolean */public static Boolean checkStringInStrings(String[] strs, String str) {if (strs != null && strs.length > 0) {for (String string : strs) {if (string.equals(str)) {return true;}}}return false;}/** * 对象数组转成字符数组 * @param objArray * @return */public static String[] objectsToStrings(Object[] objArray) {if (ArrayUtils.isNotEmpty(objArray)) {String[] strArray = new String[objArray.length];for (int i = 0; i < objArray.length; i++) {strArray[i] = (String) objArray[i];}return strArray;}return null;}/** * 将字符串数组中的元素合并成为一个字符串 */public static String comb2Str(String[] strs, String sign) {String combStr = "";if (strs != null && strs.length > 0) {for (int i = 0; i < strs.length; i++) {combStr = strs[i] + sign + combStr;}}return combStr;}}public static class JSON{/** * 将JSONArray字符串转成Sting数组 * @param jsonArrayStr * @return */public static Integer[] jsonArrayToIntegerArray(String jsonArrayStr){if (StringUtils.isNotEmpty(jsonArrayStr)) {JSONArray jsonArray = JSONArray.fromObject(jsonArrayStr);Integer[] array = new Integer[jsonArray.size()];array = (Integer[]) jsonArray.toArray(array);return array;}return null;}}public static void main(String[] args) {String value = MyUtilTool.DATE.currentDateString(null);System.out.println(value);}}