package com.zdcf.tool;
import java.io.IOException;
import java.io.InputStream;
import java.math.BigDecimal;
import java.net.URLEncoder;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Arrays;
import java.util.Calendar;
import java.util.Date;
import java.util.HashSet;
import java.util.Set;
import java.util.regex.Pattern;
import org.apache.commons.lang.StringUtils;
public class StringUtil {
private static final String IMG_ICON_SMALL = "1";
private static final String IMG_ICON_MEDIUM = "2";
private static final String IMG_ICON_BIG = "3";
public static String urlEncode(String source) {
try{
return URLEncoder.encode(source, "UTF-8");
}catch(Exception e){
return null;
}
}
public static void appStringBuffer(StringBuffer sf){
if(StringUtil.notEmpty(sf.toString())){
sf.append("/");
}
}
public static boolean isMobile(String mobileNum) {
if(StringUtils.isBlank(mobileNum)){
return false;
}
//全是字母
boolean matches = Pattern.matches("(((13[0-9]{1})|(15[0-9]{1})|(18[0-9]{1})|(17[0-9]{1}))+\\d{8})", mobileNum);
if (!matches) {
return false;
}
return true;
}
public static boolean checkBankCard(String cardId) {
char bit = getBankCardCheckCode(cardId.substring(0, cardId.length() - 1));
if(bit == 'N'){
return false;
}
return cardId.charAt(cardId.length() - 1) == bit;
}
/**
* 从不含校验位的银行卡卡号采用 Luhm 校验算法获得校验位
* @param nonCheckCodeCardId
* @return
*/
public static char getBankCardCheckCode(String nonCheckCodeCardId){
if(nonCheckCodeCardId == null || nonCheckCodeCardId.trim().length() == 0
|| !nonCheckCodeCardId.matches("\\d+")) {
//如果传的不是数据返回N
return 'N';
}
char[] chs = nonCheckCodeCardId.trim().toCharArray();
int luhmSum = 0;
for(int i = chs.length - 1, j = 0; i >= 0; i--, j++) {
int k = chs[i] - '0';
if(j % 2 == 0) {
k *= 2;
k = k / 10 + k % 10;
}
luhmSum += k;
}
return (luhmSum % 10 == 0) ? '0' : (char)((10 - luhmSum % 10) + '0');
}
public static boolean isPayPassword(String password) {
if (StringUtils.isBlank(password)) {
return false;
}
if(password.length() < 6 || password.length() > 12){
return false;
}
return true;
}
public static boolean isPassword(String password) {
if (StringUtils.isBlank(password)) {
return false;
}
/*boolean matches = Pattern.matches("[a-zA-Z0-9_]{6,16}", password);
if (matches) {
return true;
}*/
boolean matches = password.length()<6 || password.length() > 16;
if (matches) {
return false;
}
//全是数字
matches = Pattern.matches("[0-9]*", password);
if (matches) {
return false;
}
//是否只包含数字，不包含字符串
matches = Pattern.matches("(.*?)\\d(.*?)", password);
if (!matches) {
return false;
}
/* //全是字母
matches = Pattern.matches("[A-Za-z]*", password);
if (matches) {
return false;
}
//全是数字
matches = Pattern.matches("[0-9]*", password);
if (matches) {
return false;
}
//只能是数字和字母
matches = Pattern.matches("[A-Za-z0-9]*", password);
if (!matches) {
return false;
}*/
return true;
}
public static boolean isNumeric(String str){
Pattern pattern = Pattern.compile("[0-9]*");
if(StringUtils.isBlank(str)){
return false;
}
if(!pattern.matcher(str).matches()){
return false;
}
return true;
}
/**
* @param 用户输入字符串
* @return 过滤了非法字符的串
*/
public static String filterString(String source) {
return "";
}
public static void main(String[] args) {
System.out.println(isMobile("19210572067"));
}
public static String changePlaceholder(String source) {
return "abc";
}
/**
* 方法名称: notEmpty 方法描述: 检测字符串是否不为空(null,"","null") 返回类型：
* 不为空则返回true，否则返回false 创建人：zhangsg 创建时间：2014-9-9 晚上19:30:05
*
* @throws
*/
public static boolean notEmpty(String s) {
return s != null && !"".equals(s) && !"null".equals(s);
}
/**
* 方法名称: isEmpty 方法描述: 检测字符串是否为空(null,"","null") 返回类型： 为空则返回true，不否则返回false
* 创建人：zhangsg 创建时间：2014-9-9 晚上19:30:05
*
* @throws
*/
public static boolean isEmpty(String s) {
return s == null || "".equals(s) || "null".equals(s);
}
/**
* 方法名称: str2StrArray 方法描述: 字符串转换为字符串数组
*
* @param str
* 字符串 返回类型： 创建人：zhangsg 创建时间：2014-9-9 晚上19:30:05
* @throws
*/
public static String[] str2StrArray(String str, String splitRegex) {
if (isEmpty(str)) {
return null;
}
return str.split(splitRegex);
}
/**
* 方法名称: str2StrArray 方法描述: 用默认的分隔符(,)将字符串转换为字符串数组 返回类型： 字符串 创建人：zhangsg
* 创建时间：2014-9-9 晚上19:30:05
*
* @throws
*/
public static String[] str2StrArray(String str) {
return str2StrArray(str, ",\\s*");
}
public static String nullSafeToString(Object obj) {
if (obj == null) {
return null;
}
return obj.toString();
}
public static String leftPad(String value, int totalLength) {
return StringUtils.leftPad(value, totalLength, "0");
}
public static String rightPad(String value, int totalLength) {
return StringUtils.rightPad(value, totalLength, "0");
}
public static String leftPadForPrincipleEntry(String value) {
return StringUtils.leftPad(value, 4, "0");
}
public static String getIconImgBig(String img) {
String[] nameSuffix = getIconImgNameAndSuffix(img);
return nameSuffix[0] + IMG_ICON_BIG + "." + nameSuffix[1];
}
public static String getIconImgMedium(String img) {
String[] nameSuffix = getIconImgNameAndSuffix(img);
return nameSuffix[0] + IMG_ICON_MEDIUM + "." + nameSuffix[1];
}
public static String getIconImgSmall(String img) {
String[] nameSuffix = getIconImgNameAndSuffix(img);
return nameSuffix[0] + IMG_ICON_SMALL + "." + nameSuffix[1];
}
private static String[] getIconImgNameAndSuffix(String img) {
return img.split("\\.");
}
public static char ascii2Char(int ASCII) {
return (char) ASCII;
}
public static int char2ASCII(char c) {
return (int) c;
}
/**
* @Title: ObjectToDoubleUtil
* @Description: { Object to Double }
* @file_name: LoanInvestQueryService.java
* @user:DING
*/
public static double ObjectToDoubleUtil(Object obj) {
if (obj != null) {
return Double.parseDouble(obj.toString());
}
return 0;
}
/**
* @Title: ObjectToDoubleUtil
* @Description: { Object to Integer }
* @file_name: LoanInvestQueryService.java
* @user:DING
*/
public static Integer ObjectToIntegerUtil(Object obj) {
if (obj != null) {
return Integer.valueOf(obj.toString());
}
return 0;
}
/**
* @Title: ObjectToLongUtil
* @Description: { Object to Long }
* @file_name: LoanInvestQueryService.java
* @user:DING
*/
public static Long ObjectToLongUtil(Object obj) {
if (obj != null) {
return Long.valueOf(obj.toString());
}
return 0l;
}
/**
* @Title: ObjectToDoubleUtil
* @Description: { Object to Integer }
* @file_name: LoanInvestQueryService.java
* @user:DING
*/
public static Float ObjectToFloatUtil(Object obj) {
if (obj != null) {
return Float.parseFloat( ObjectToStringUtil(obj) );
}
return null;
}
/**
* @Title: ObjectToDoubleUtil
* @Description: { Object to Integer }
* @file_name: LoanInvestQueryService.java
* @user:DING
*/
public static boolean ObjectToBooleanUtil(Object obj) {
if (obj != null && "true".equalsIgnoreCase(obj.toString())) {
return true;
}
return false;
}
/**
* @Title: ObjectToDoubleUtil
* @Description: { Object to String }
* @file_name: LoanInvestQueryService.java
* @user:DING
*/
public static String ObjectToStringUtil(Object obj) {
if (obj != null) {
return obj.toString();
}
return null;
}
/**
* @Title: ObjectToDoubleUtil
* @Description: { Object to Date }
* @file_name: LoanInvestQueryService.java
* @user:DING
*/
public static Date ObjectToDateUtil(Object obj) {
if (obj != null) {
return DateUtil.formatDateTimeStrToDate(obj.toString());
}
return null;
}
/**
* @Title: ObjectToDoubleUtil
* @Description: { Object to Date }
* @file_name: LoanInvestQueryService.java
* @user:DING
*/
public static int IntegerTointUtil(Integer obj) {
if (obj != null) {
return obj;
}
return 0;
}
/**
* @Title: ObjectToShortUtil
* @Description: { Object to String }
* @file_name: LoanInvestQueryService.java
* @user:DING
*/
public static Short ObjectToShortUtil(Object obj) {
if (obj != null) {
return new Short(ObjectToStringUtil(obj));
}
return null;
}
/**
* @Title: IntegerToShortUtil
* @Description: { Object to Integer }
* @file_name: LoanInvestQueryService.java
* @user:DING
*/
public static Short IntegerToShortUtil(Integer obj) {
if (obj != null) {
return Short.parseShort(""+obj);
}
return null;
}
/**
* @Title: doubleBigDecimal
* @Description: { 百分比 }
* @file_name: StringUtil.java
* @user:DING
*/
public static double getEpercentage(double obj) {
BigDecimal b = new BigDecimal(obj * 100);
double f1 = b.setScale(2, BigDecimal.ROUND_HALF_UP).doubleValue();
return f1;
}
/**
* @Title: doubleBigDecimal
* @Description: { 百分比 }
* @file_name: StringUtil.java
* @user:DING
*/
public static double getYieldRate(double obj) {
BigDecimal b = new BigDecimal(obj);
double f1 = b.setScale(2, BigDecimal.ROUND_HALF_UP).doubleValue();
return f1;
}
// 根据年月取得 月的天数
public static int getDayByYearAndMonth(int year, int month) {
SimpleDateFormat simpleDate = new SimpleDateFormat("yyyy-MM");
Calendar rightNow = Calendar.getInstance();
try {
rightNow.setTime(simpleDate.parse(year + "-" + month));
} catch (ParseException e) {
e.printStackTrace();
}
return rightNow.getActualMaximum(Calendar.DAY_OF_MONTH);// 根据年月 获取月份天数
}
public static String getMaskedNickName(String nickName) {
if(StringUtils.isBlank(nickName)){
return "";
}
int length = nickName.length();
String first = nickName.substring(0, 1);
String last = nickName.substring(length - 1);
return first + "***" + last;
}
public static String getMaskedRealName(String realName){
if(StringUtils.isNotBlank(realName)){
int length = realName.length();
StringBuffer displayMaskedName = new StringBuffer();
for (int i = 0; i < length - 1; i++) {
displayMaskedName.append("*");
}
displayMaskedName.append(realName.substring(length - 1));
return displayMaskedName.toString();
}
return "";
}
public static String getMaskedNickNameSt(String nickName){
if(StringUtils.isNotBlank(nickName)){
int length = nickName.length();
StringBuffer displayMaskedName = new StringBuffer();
if(length>1){
displayMaskedName.append(nickName.substring(0,1));
for (int i = 0; i < length-1; i++) {
displayMaskedName.append("*");
}
}else{
return nickName;
}
return displayMaskedName.toString();
}
return "";
}
public static String getShortBankCardNum(String bankCardNum) {
if(StringUtils.isBlank(bankCardNum)){
return "";
}
int length = bankCardNum.length();
int lengthxin = length-5;
int zhengs = lengthxin/4;
StringBuffer sbf = new StringBuffer();
for(int i=0;i<zhengs;i++){
sbf.append("**** ");
}
int yushu = lengthxin%4;
if(yushu!=0){
for(int i=0;i<yushu;i++){
sbf.append("*");
}
}
String first = bankCardNum.substring(0, 2)+"** ";
String last = " *"+bankCardNum.substring(length - 3);
return first + sbf.toString()+ last;
}
//String to UpperCase
public static String str2UpperCase(String str) {
if(StringUtils.isBlank(str)){
return "";
}
return str.toUpperCase();
}
//String to LowerCase
public static String str2LowerCase(String str) {
if(StringUtils.isBlank(str)){
return "";
}
return str.toLowerCase();
}
/**
* 转换返回值类型为UTF-8格式.
* @param is
* @return
*/
public static String convertStreamToString(InputStream is) {
StringBuilder sb1 = new StringBuilder();
byte[] bytes = new byte[4096];
int size = 0;
try {
while ((size = is.read(bytes)) > 0) {
String str = new String(bytes, 0, size, "UTF-8");
sb1.append(str);
}
} catch (IOException e) {
e.printStackTrace();
} finally {
try {
is.close();
} catch (IOException e) {
e.printStackTrace();
}
}
return sb1.toString();
}
//字符过滤
public static String charactersFilter(String st,String seqNum){
StringBuffer sbf = new StringBuffer();
if(st.contains("<")){
sbf.append(st.substring(0,st.indexOf("<")));
String[] stt = st.split("<");
for(String s : stt){
if(s.contains(">")){
String[] stts = s.split(">");
if(stts.length==2){
sbf.append(stts[1]);
String sa = stts[0];
if(sa.contains("href") && StringUtils.isEmpty(seqNum)){
String[] sb = sa.split("/");
seqNum = sb[sb.length-1];
System.out.println(seqNum);
}
}
}
}
}else{
sbf.append(st);
}
return sbf.toString();
}
//字符过滤
public static String charactersFilter(String st){
StringBuffer sbf = new StringBuffer();
if(st.contains("<")){
sbf.append(st.substring(0,st.indexOf("<")));
String[] stt = st.split("<");
for(String s : stt){
if(s.contains(">")){
String[] stts = s.split(">");
if(stts.length==2){
sbf.append(stts[1]);
}
}
}
}else{
sbf.append(st);
}
return sbf.toString();
}
//IOS 在获取图片路径时 需要把 含有"\" 转换成"/"
public static String replaceAvatarImg(String avatarImg){
if(StringUtil.notEmpty(avatarImg)){
if(avatarImg.contains("\\")){
avatarImg = avatarImg.replace("\\", "/");
}
}
return avatarImg;
}
public static String setStringLike(String st){
if(StringUtil.notEmpty(st)){
return "'%"+st+"%'";
}
return st;
}
//究极去重方式
public static String[] array_unique(String[] a) {
Set<String> set = new HashSet<String>();
set.addAll(Arrays.asList(a));
return set.toArray(new String[0]);
}
}