Character的常用工具类

来源：互联网发布：时空软件编辑：程序博客网时间：2024/04/20 05:29
package com.cmcc.flow.common.util;import java.io.UnsupportedEncodingException;import java.util.Map;import java.util.regex.Matcher;import java.util.regex.Pattern;import javax.servlet.http.HttpServletRequest;public class CharacterUtil {/** * 手机电话号码正则表达式 */private final static String MOBILE_PHONE_NUM_REGEXP="^1[3-8][0-9]{9}$";private final static String EMAIL_ADDR_REGEXP="^\\w+((-\\w+)|(\\.\\w+))*@[A-Za-z0-9]+((\\.|-)[A-Za-z0-9]+)*\\.[A-Za-z0-9]+$" ;public static String  stringTranscoding(String str){if(str!=null && str.trim().length()>0 && str.trim()!=""){ //TODO:chendw 重复判断try {return new String(str.toString().getBytes("iso-8859-1"),"UTF-8");} catch (UnsupportedEncodingException e) {// TODO Auto-generated catch block//e.printStackTrace();return null;}}return str;}/** * @throws UnsupportedEncodingException  *  * @Title: getStringFromRequest  * @Description: 得到请求参数 * @param @param request * @param @param parameterName * @param @return * @return String * @throws */public static String getStringFromRequest(HttpServletRequest request, String parameterName){try {request.setCharacterEncoding("utf-8");} catch (UnsupportedEncodingException e) {// TODO Auto-generated catch blocke.printStackTrace();}if(request==null || parameterName==null)return null;String szName = request.getParameter(parameterName);//if(szName!=null &&//request.getMethod().equalsIgnoreCase("get")){//try {////String szRequestCharset = request.getCharacterEncoding();//szName = new String(szName.getBytes("ISO-8859-1"), "UTF-8");//} catch (UnsupportedEncodingException e) {//// TODO Auto-generated catch block////e.printStackTrace();//return null;//}//}szName = trimStringSafe(szName);return szName;}/** *  * @Title: getStringFromRequest  * @Description: 从页面请求获取相应的参数，如果参数为空或者NULL，统一返回空字符 * @param @param request * @param @param parameterName * @param @return * @return String * @throws *//*public static String getStringFromRequest(HttpServletRequest request, String parameterName){try {return getStringFromRequest(request, parameterName, null);} catch (Exception e) {// TODO: handle exceptione.printStackTrace();return "";}}*/public static String trimStringSafe(String oriString){if(oriString!=null)return oriString.trim();return null;}public static String addQueryString(Map<String, String> queryParams, String oriString){if(oriString==null || oriString.equals("")){return "";}oriString+="?";for(String szKey : queryParams.keySet()){String szTmpString = szKey + "=" + queryParams.get(szKey);oriString+=szTmpString;oriString+="&";}int nLength = oriString.length();return oriString.substring(0, nLength-1);}/** *  * @Title: isNullOrEmpty  * @Description: 判断字符串是否为空值或空指针，如果是，抛出异常，并设置相应的异常信息 * @param @param str * @param @param errorMsg * @param @throws Exception * @return void * @throws */public static void isNullOrEmpty(String str, String errorMsg)throws Exception{if(str==null || str.isEmpty()){Exception exception = new Exception(errorMsg);throw exception;}}/** * * @Title:isValidMobilePhone * @Description: 判断一个字符串是否为有效的手机号码* @param szMobilePhone* @return* @throws */public static boolean isValidMobilePhone(String szMobilePhone){return isValid(MOBILE_PHONE_NUM_REGEXP, szMobilePhone);}/** * * @Title:isValidEmailAddr * @Description: 判断一个字符串是否为有效的邮箱地址* @param szEmailAddr* @return* @throws */public static boolean isValidEmailAddr(String szEmailAddr){return isValid(EMAIL_ADDR_REGEXP, szEmailAddr);}/** * * @Title:isValid * @Description: 通用的验证方法* @param regExp* @param szValue* @return* @throws */public static boolean isValid(String regExp, String szValue){Pattern p = Pattern.compile(regExp);  Matcher m = p.matcher(szValue);  return m.find();}}
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