package com.ruoyi.common.utils;
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import lombok.extern.slf4j.Slf4j;
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import org.springframework.beans.BeanUtils;
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import javax.servlet.http.HttpServletRequest;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.UnsupportedEncodingException;
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import java.lang.reflect.Field;
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import java.math.BigDecimal;
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import java.math.BigInteger;
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import java.net.InetAddress;
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import java.net.NetworkInterface;
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import java.net.SocketException;
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import java.net.UnknownHostException;
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import java.sql.Date;
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import java.util.*;
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import java.util.regex.Matcher;
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import java.util.regex.Pattern;
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/**
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*
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* @Author 张代浩
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*
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*/
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@Slf4j
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public class OConvertUtils {
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public static boolean isEmpty(Object object) {
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if (object == null) {
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return (true);
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}
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if ("".equals(object)) {
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return (true);
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}
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if ("null".equals(object)) {
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return (true);
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}
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return (false);
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}
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public static boolean isNotEmpty(Object object) {
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if (object != null && !object.equals("") && !object.equals("null")) {
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return (true);
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}
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return (false);
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}
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public static String decode(String strIn, String sourceCode, String targetCode) {
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String temp = code2code(strIn, sourceCode, targetCode);
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return temp;
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}
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public static String StrToUTF(String strIn, String sourceCode, String targetCode) {
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strIn = "";
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try {
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strIn = new String(strIn.getBytes("ISO-8859-1"), "GBK");
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} catch (UnsupportedEncodingException e) {
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// TODO Auto-generated catch block
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e.printStackTrace();
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}
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return strIn;
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}
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private static String code2code(String strIn, String sourceCode, String targetCode) {
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String strOut = null;
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if (strIn == null || (strIn.trim()).equals("")) {
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return strIn;
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}
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try {
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byte[] b = strIn.getBytes(sourceCode);
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for (int i = 0; i < b.length; i++) {
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System.out.print(b[i] + " ");
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}
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strOut = new String(b, targetCode);
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} catch (Exception e) {
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e.printStackTrace();
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return null;
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}
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return strOut;
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}
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public static int getInt(String s, int defval) {
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if (s == null || s == "") {
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return (defval);
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}
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try {
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return (Integer.parseInt(s));
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} catch (NumberFormatException e) {
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return (defval);
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}
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}
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public static int getInt(String s) {
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if (s == null || s == "") {
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return 0;
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}
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try {
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return (Integer.parseInt(s));
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} catch (NumberFormatException e) {
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return 0;
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}
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}
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public static int getInt(String s, Integer df) {
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if (s == null || s == "") {
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return df;
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}
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try {
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return (Integer.parseInt(s));
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} catch (NumberFormatException e) {
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return 0;
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}
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}
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public static Integer[] getInts(String[] s) {
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Integer[] integer = new Integer[s.length];
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if (s == null) {
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return null;
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}
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for (int i = 0; i < s.length; i++) {
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integer[i] = Integer.parseInt(s[i]);
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}
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return integer;
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}
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public static double getDouble(String s, double defval) {
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if (s == null || s == "") {
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return (defval);
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}
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try {
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return (Double.parseDouble(s));
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} catch (NumberFormatException e) {
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return (defval);
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}
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}
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public static double getDou(Double s, double defval) {
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if (s == null) {
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return (defval);
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}
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return s;
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}
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/*public static Short getShort(String s) {
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if (StringUtil.isNotEmpty(s)) {
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return (Short.parseShort(s));
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} else {
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return null;
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}
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}*/
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public static int getInt(Object object, int defval) {
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if (isEmpty(object)) {
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return (defval);
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}
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try {
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return (Integer.parseInt(object.toString()));
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} catch (NumberFormatException e) {
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return (defval);
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}
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}
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public static Integer getInt(Object object) {
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if (isEmpty(object)) {
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return null;
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}
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try {
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return (Integer.parseInt(object.toString()));
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} catch (NumberFormatException e) {
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return null;
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}
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}
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public static int getInt(BigDecimal s, int defval) {
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if (s == null) {
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return (defval);
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}
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return s.intValue();
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}
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public static Integer[] getIntegerArry(String[] object) {
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int len = object.length;
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Integer[] result = new Integer[len];
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try {
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for (int i = 0; i < len; i++) {
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result[i] = new Integer(object[i].trim());
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}
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return result;
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} catch (NumberFormatException e) {
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return null;
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}
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}
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public static String getString(String s) {
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return (getString(s, ""));
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}
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/**
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* 转义成Unicode编码
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* @param s
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* @return
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*/
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/*public static String escapeJava(Object s) {
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return StringEscapeUtils.escapeJava(getString(s));
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}*/
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public static String getString(Object object) {
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if (isEmpty(object)) {
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return "";
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}
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return (object.toString().trim());
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}
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public static String getString(int i) {
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return (String.valueOf(i));
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}
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public static String getString(float i) {
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return (String.valueOf(i));
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}
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public static String getString(String s, String defval) {
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if (isEmpty(s)) {
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return (defval);
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}
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return (s.trim());
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}
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public static String getString(Object s, String defval) {
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if (isEmpty(s)) {
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return (defval);
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}
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return (s.toString().trim());
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}
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public static long stringToLong(String str) {
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Long test = new Long(0);
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try {
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test = Long.valueOf(str);
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} catch (Exception e) {
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}
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return test.longValue();
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}
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/**
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* 获取本机IP
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*/
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public static String getIp() {
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String ip = null;
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try {
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InetAddress address = InetAddress.getLocalHost();
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ip = address.getHostAddress();
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} catch (UnknownHostException e) {
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e.printStackTrace();
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}
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return ip;
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}
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/**
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* 判断一个类是否为基本数据类型。
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*
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* @param clazz
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* 要判断的类。
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* @return true 表示为基本数据类型。
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*/
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private static boolean isBaseDataType(Class clazz) throws Exception {
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return (clazz.equals(String.class) || clazz.equals(Integer.class) || clazz.equals(Byte.class) || clazz.equals(Long.class) || clazz.equals(Double.class) || clazz.equals(Float.class) || clazz.equals(Character.class) || clazz.equals(Short.class) || clazz.equals(BigDecimal.class) || clazz.equals(BigInteger.class) || clazz.equals(Boolean.class) || clazz.equals(Date.class) || clazz.isPrimitive());
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}
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/**
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* @param request
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* IP
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* @return IP Address
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*/
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public static String getIpAddrByRequest(HttpServletRequest request) {
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String ip = request.getHeader("x-forwarded-for");
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if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
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ip = request.getHeader("Proxy-Client-IP");
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}
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if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
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ip = request.getHeader("WL-Proxy-Client-IP");
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}
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if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
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ip = request.getRemoteAddr();
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}
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return ip;
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}
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/**
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* @return 本机IP
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* @throws SocketException
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*/
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public static String getRealIp() throws SocketException {
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String localip = null;// 本地IP,如果没有配置外网IP则返回它
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String netip = null;// 外网IP
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Enumeration<NetworkInterface> netInterfaces = NetworkInterface.getNetworkInterfaces();
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InetAddress ip = null;
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boolean finded = false;// 是否找到外网IP
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while (netInterfaces.hasMoreElements() && !finded) {
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NetworkInterface ni = netInterfaces.nextElement();
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Enumeration<InetAddress> address = ni.getInetAddresses();
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while (address.hasMoreElements()) {
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ip = address.nextElement();
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if (!ip.isSiteLocalAddress() && !ip.isLoopbackAddress() && ip.getHostAddress().indexOf(":") == -1) {// 外网IP
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netip = ip.getHostAddress();
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finded = true;
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break;
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} else if (ip.isSiteLocalAddress() && !ip.isLoopbackAddress() && ip.getHostAddress().indexOf(":") == -1) {// 内网IP
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localip = ip.getHostAddress();
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}
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}
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}
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if (netip != null && !"".equals(netip)) {
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return netip;
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} else {
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return localip;
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}
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}
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/**
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* java去除字符串中的空格、回车、换行符、制表符
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*
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* @param str
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* @return
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*/
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public static String replaceBlank(String str) {
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String dest = "";
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if (str != null) {
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Pattern p = Pattern.compile("\\s*|\t|\r|\n");
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Matcher m = p.matcher(str);
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dest = m.replaceAll("");
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}
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return dest;
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}
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/**
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* 判断元素是否在数组内
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*
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* @param substring
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* @param source
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* @return
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*/
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public static boolean isIn(String substring, String[] source) {
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if (source == null || source.length == 0) {
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return false;
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}
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for (int i = 0; i < source.length; i++) {
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String aSource = source[i];
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if (aSource.equals(substring)) {
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return true;
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}
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}
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return false;
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}
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/**
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* 获取Map对象
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*/
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public static Map<Object, Object> getHashMap() {
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return new HashMap<Object, Object>();
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}
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/**
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* SET转换MAP
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*
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* @param str
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* @return
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*/
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public static Map<Object, Object> SetToMap(Set<Object> setobj) {
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Map<Object, Object> map = getHashMap();
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for (Iterator iterator = setobj.iterator(); iterator.hasNext();) {
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Map.Entry<Object, Object> entry = (Map.Entry<Object, Object>) iterator.next();
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map.put(entry.getKey().toString(), entry.getValue() == null ? "" : entry.getValue().toString().trim());
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}
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return map;
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}
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public static boolean isInnerIP(String ipAddress) {
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boolean isInnerIp = false;
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long ipNum = getIpNum(ipAddress);
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/**
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* 私有IP:A类 10.0.0.0-10.255.255.255 B类 172.16.0.0-172.31.255.255 C类 192.168.0.0-192.168.255.255 当然,还有127这个网段是环回地址
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**/
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long aBegin = getIpNum("10.0.0.0");
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long aEnd = getIpNum("10.255.255.255");
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long bBegin = getIpNum("172.16.0.0");
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long bEnd = getIpNum("172.31.255.255");
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long cBegin = getIpNum("192.168.0.0");
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long cEnd = getIpNum("192.168.255.255");
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isInnerIp = isInner(ipNum, aBegin, aEnd) || isInner(ipNum, bBegin, bEnd) || isInner(ipNum, cBegin, cEnd) || ipAddress.equals("127.0.0.1");
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return isInnerIp;
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}
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private static long getIpNum(String ipAddress) {
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String[] ip = ipAddress.split("\\.");
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long a = Integer.parseInt(ip[0]);
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long b = Integer.parseInt(ip[1]);
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long c = Integer.parseInt(ip[2]);
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long d = Integer.parseInt(ip[3]);
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long ipNum = a * 256 * 256 * 256 + b * 256 * 256 + c * 256 + d;
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return ipNum;
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}
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private static boolean isInner(long userIp, long begin, long end) {
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return (userIp >= begin) && (userIp <= end);
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}
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/**
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* 将下划线大写方式命名的字符串转换为驼峰式。
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* 如果转换前的下划线大写方式命名的字符串为空,则返回空字符串。</br>
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* 例如:hello_world->helloWorld
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*
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* @param name
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* 转换前的下划线大写方式命名的字符串
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* @return 转换后的驼峰式命名的字符串
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*/
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public static String camelName(String name) {
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StringBuilder result = new StringBuilder();
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// 快速检查
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if (name == null || name.isEmpty()) {
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// 没必要转换
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return "";
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} else if (!name.contains("_")) {
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// 不含下划线,仅将首字母小写
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//update-begin--Author:zhoujf Date:20180503 for:TASK #2500 【代码生成器】代码生成器开发一通用模板生成功能
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//update-begin--Author:zhoujf Date:20180503 for:TASK #2500 【代码生成器】代码生成器开发一通用模板生成功能
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return name.substring(0, 1).toLowerCase() + name.substring(1).toLowerCase();
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//update-end--Author:zhoujf Date:20180503 for:TASK #2500 【代码生成器】代码生成器开发一通用模板生成功能
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}
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// 用下划线将原始字符串分割
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String camels[] = name.split("_");
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for (String camel : camels) {
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// 跳过原始字符串中开头、结尾的下换线或双重下划线
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if (camel.isEmpty()) {
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continue;
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}
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// 处理真正的驼峰片段
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if (result.length() == 0) {
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// 第一个驼峰片段,全部字母都小写
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result.append(camel.toLowerCase());
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} else {
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// 其他的驼峰片段,首字母大写
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result.append(camel.substring(0, 1).toUpperCase());
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result.append(camel.substring(1).toLowerCase());
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}
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}
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return result.toString();
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}
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/**
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* 将下划线大写方式命名的字符串转换为驼峰式。
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* 如果转换前的下划线大写方式命名的字符串为空,则返回空字符串。</br>
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* 例如:hello_world,test_id->helloWorld,testId
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*
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* @param name
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* 转换前的下划线大写方式命名的字符串
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* @return 转换后的驼峰式命名的字符串
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*/
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public static String camelNames(String names) {
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if(names==null||names.equals("")){
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return null;
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}
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StringBuffer sf = new StringBuffer();
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String[] fs = names.split(",");
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for (String field : fs) {
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field = camelName(field);
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sf.append(field + ",");
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}
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String result = sf.toString();
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return result.substring(0, result.length() - 1);
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}
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//update-begin--Author:zhoujf Date:20180503 for:TASK #2500 【代码生成器】代码生成器开发一通用模板生成功能
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/**
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* 将下划线大写方式命名的字符串转换为驼峰式。(首字母写)
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* 如果转换前的下划线大写方式命名的字符串为空,则返回空字符串。</br>
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* 例如:hello_world->HelloWorld
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*
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* @param name
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* 转换前的下划线大写方式命名的字符串
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* @return 转换后的驼峰式命名的字符串
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*/
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public static String camelNameCapFirst(String name) {
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StringBuilder result = new StringBuilder();
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// 快速检查
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if (name == null || name.isEmpty()) {
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// 没必要转换
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return "";
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} else if (!name.contains("_")) {
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// 不含下划线,仅将首字母小写
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return name.substring(0, 1).toUpperCase() + name.substring(1).toLowerCase();
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}
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// 用下划线将原始字符串分割
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String camels[] = name.split("_");
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for (String camel : camels) {
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// 跳过原始字符串中开头、结尾的下换线或双重下划线
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if (camel.isEmpty()) {
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continue;
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}
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// 其他的驼峰片段,首字母大写
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result.append(camel.substring(0, 1).toUpperCase());
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result.append(camel.substring(1).toLowerCase());
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}
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return result.toString();
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}
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//update-end--Author:zhoujf Date:20180503 for:TASK #2500 【代码生成器】代码生成器开发一通用模板生成功能
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/**
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* 将驼峰命名转化成下划线
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* @param para
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* @return
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*/
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public static String camelToUnderline(String para){
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if(para.length()<3){
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return para.toLowerCase();
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}
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StringBuilder sb=new StringBuilder(para);
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int temp=0;//定位
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//从第三个字符开始 避免命名不规范
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for(int i=2;i<para.length();i++){
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if(Character.isUpperCase(para.charAt(i))){
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sb.insert(i+temp, "_");
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temp+=1;
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}
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}
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return sb.toString().toLowerCase();
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}
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/**
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* 随机数
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* @param place 定义随机数的位数
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*/
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public static String randomGen(int place) {
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String base = "qwertyuioplkjhgfdsazxcvbnmQAZWSXEDCRFVTGBYHNUJMIKLOP0123456789";
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StringBuffer sb = new StringBuffer();
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Random rd = new Random();
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for(int i=0;i<place;i++) {
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sb.append(base.charAt(rd.nextInt(base.length())));
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}
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return sb.toString();
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}
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/**
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* 获取类的所有属性,包括父类
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*
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* @param object
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* @return
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*/
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public static Field[] getAllFields(Object object) {
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Class<?> clazz = object.getClass();
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List<Field> fieldList = new ArrayList<>();
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while (clazz != null) {
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fieldList.addAll(new ArrayList<>(Arrays.asList(clazz.getDeclaredFields())));
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clazz = clazz.getSuperclass();
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}
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Field[] fields = new Field[fieldList.size()];
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fieldList.toArray(fields);
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return fields;
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}
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/**
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* 将map的key全部转成小写
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* @param list
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* @return
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*/
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public static List<Map<String, Object>> toLowerCasePageList(List<Map<String, Object>> list){
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List<Map<String, Object>> select = new ArrayList<>();
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for (Map<String, Object> row : list) {
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Map<String, Object> resultMap = new HashMap<>();
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Set<String> keySet = row.keySet();
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for (String key : keySet) {
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String newKey = key.toLowerCase();
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resultMap.put(newKey, row.get(key));
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}
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select.add(resultMap);
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}
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return select;
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}
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/**
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* 将entityList转换成modelList
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* @param fromList
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* @param tClass
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* @param <F>
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* @param <T>
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* @return
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*/
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public static<F,T> List<T> entityListToModelList(List<F> fromList, Class<T> tClass){
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if(fromList == null || fromList.isEmpty()){
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return null;
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}
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List<T> tList = new ArrayList<>();
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for(F f : fromList){
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T t = entityToModel(f, tClass);
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tList.add(t);
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}
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return tList;
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}
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public static<F,T> T entityToModel(F entity, Class<T> modelClass) {
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log.debug("entityToModel : Entity属性的值赋值到Model");
|
Object model = null;
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if (entity == null || modelClass ==null) {
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return null;
|
}
|
|
try {
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model = modelClass.newInstance();
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} catch (InstantiationException e) {
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log.error("entityToModel : 实例化异常", e);
|
} catch (IllegalAccessException e) {
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log.error("entityToModel : 安全权限异常", e);
|
}
|
BeanUtils.copyProperties(entity, model);
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return (T)model;
|
}
|
|
/**
|
* 判断 list 是否为空
|
*
|
* @param list
|
* @return true or false
|
* list == null : true
|
* list.size() == 0 : true
|
*/
|
public static boolean listIsEmpty(Collection list) {
|
return (list == null || list.size() == 0);
|
}
|
|
/**
|
* 判断 list 是否不为空
|
*
|
* @param list
|
* @return true or false
|
* list == null : false
|
* list.size() == 0 : false
|
*/
|
public static boolean listIsNotEmpty(Collection list) {
|
return !listIsEmpty(list);
|
}
|
|
}
|