修改：工程简单重构
This commit is contained in:
750
src/net/tccn/bbs/base/Utils.java
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750
src/net/tccn/bbs/base/Utils.java
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@@ -0,0 +1,750 @@
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/*
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* To change this license header, choose License Headers in Project Properties.
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* To change this template file, choose Tools | Templates
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* and open the template in the editor.
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*/
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package net.tccn.bbs.base;
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import net.tccn.bbs.base.util.Kv;
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import org.redkale.source.DataJdbcSource;
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import org.redkale.source.DataSource;
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import org.redkale.source.Flipper;
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import org.redkale.util.Comment;
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import org.redkale.util.Reproduce;
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import org.redkale.util.Sheet;
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import org.redkale.util.Utility;
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import javax.crypto.Cipher;
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import javax.crypto.spec.SecretKeySpec;
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import java.lang.reflect.Array;
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import java.lang.reflect.Field;
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import java.net.URLDecoder;
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import java.net.URLEncoder;
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import java.nio.charset.StandardCharsets;
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import java.security.MessageDigest;
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import java.security.NoSuchAlgorithmException;
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import java.sql.ResultSet;
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import java.sql.ResultSetMetaData;
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import java.sql.SQLException;
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import java.text.SimpleDateFormat;
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import java.time.*;
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import java.util.*;
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import java.util.function.Function;
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import java.util.function.Predicate;
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import java.util.regex.Matcher;
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import java.util.regex.Pattern;
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import java.util.stream.Collectors;
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import java.util.stream.Stream;
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public final class Utils {
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private Utils() {
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}
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public static String dateFmt(long time) {
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/**
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* 刚刚 60秒内 60 * 1000
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* x分钟前 1小时候内 60 * 60*1000
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* x小时前 1天内 24 * 60*60*1000
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* x天前 1周内 7 * 24*60*60*1000
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* 年-月-日 1周前
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*/
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long now = System.currentTimeMillis();
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long diff = now - time;
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if (diff < 60 * 1000)
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return "刚刚";
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else if (diff < 60 * 60 * 1000)
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return Math.floorDiv(diff, 60 * 1000) + "分钟前";
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else if (diff < 24 * 60 * 60 * 1000)
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return Math.floorDiv(diff, 60 * 60 * 1000) + "小时前";
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else if (diff > 24 * 60 * 60 * 1000 && diff < 7 * 24 * 60 * 60 * 1000)
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return Math.floorDiv(diff, 24 * 60 * 60 * 1000) + "天前";
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else
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return new SimpleDateFormat("yyyy-MM-dd").format(time);
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}
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public static String delHTMLTag(String htmlStr) {
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String regEx_script = "<script[^>]*?>[\\s\\S]*?<\\/script>"; //定义script的正则表达式
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String regEx_style = "<style[^>]*?>[\\s\\S]*?<\\/style>"; //定义style的正则表达式
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String regEx_html = "<[^>]+>"; //定义HTML标签的正则表达式
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Pattern p_script = Pattern.compile(regEx_script, Pattern.CASE_INSENSITIVE);
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Matcher m_script = p_script.matcher(htmlStr);
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htmlStr = m_script.replaceAll(""); //过滤script标签
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Pattern p_style = Pattern.compile(regEx_style, Pattern.CASE_INSENSITIVE);
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Matcher m_style = p_style.matcher(htmlStr);
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htmlStr = m_style.replaceAll(""); //过滤style标签
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Pattern p_html = Pattern.compile(regEx_html, Pattern.CASE_INSENSITIVE);
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Matcher m_html = p_html.matcher(htmlStr);
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htmlStr = m_html.replaceAll(""); //过滤html标签
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return htmlStr.trim(); //返回文本字符串
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}
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public static <T> T[] listToArray(List list, T[] ts) {
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for (int i = 0; i < list.size(); i++) {
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ts[0] = (T) list.get(i);
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}
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return ts;
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}
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public static int[] listToArray(List list, int[] ts) {
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for (int i = 0; i < list.size(); i++) {
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ts[0] = (int) list.get(i);
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}
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return ts;
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}
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/**
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* 判断对象是否为空
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*
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* @param obj 待判断的对象
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* @return
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*/
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public static boolean isEmpty(Object obj) {
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if (obj == null) {
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return true;
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} else if (obj instanceof String) {
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return ((String) obj).trim().isEmpty();
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} else if (obj instanceof Collection) {
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return ((Collection) obj).isEmpty();
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} else if (obj instanceof Map) {
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return ((Map) obj).isEmpty();
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} else if (obj.getClass().isArray() && Array.getLength(obj) == 0) {
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return true;
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}
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return false;
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}
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private static Map<String, Reproduce> reproduceMap = new HashMap<>();
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/**
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* @param d 目标对象
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* @param s 源对象
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* @param <D> 目标对象的数据类型
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* @param <S> 源对象的数据类型
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* @return
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*/
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public static <D, S> D copy(D d, S s) {
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String reproductKey = d.getClass().getName() + "_" + s.getClass().getName();
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Reproduce<D, S> reproduce = reproduceMap.get(reproductKey);
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if (reproduce == null) {
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if (reproduce == null) {
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reproduceMap.put(reproductKey, reproduce = (Reproduce<D, S>) Reproduce.create(d.getClass(), s.getClass()));
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}
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}
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return reproduce.apply(d, s);
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}
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public static List<String> parseHtmlImage(String html) {
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Pattern pattern = Pattern.compile("(?<=(<img\\s?src\\s?=\\s?\"))\\S+\\.[A-Za-z]+");
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Matcher match = pattern.matcher(html);
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List<String> ls = new ArrayList<>();
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while (match.find()) {
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ls.add(match.group());
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}
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return ls;
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}
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/**
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* @param rs
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* @param type
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* @param <T>
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* @return
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*/
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public static <T> List<T> queryList(ResultSet rs, Class<T> type) {
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try {
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List list = new ArrayList();
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ResultSetMetaData metaData = rs.getMetaData();
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int count = metaData.getColumnCount();
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while (rs.next()) {
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Kv row = Kv.of();
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for (int i = 1; i <= count; i++) {
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String columnTypeName = metaData.getColumnTypeName(i);
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//String columnName = metaData.getColumnName(i);
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String columnLabel = metaData.getColumnLabel(i);
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row.put(columnLabel, null);
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if (rs.getObject(i) != null) {
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switch (columnTypeName) {
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case "DATETIME", "TIMESTAMP", "DATE" -> row.put(columnLabel, rs.getTimestamp(i).getTime());
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default -> row.put(columnLabel, rs.getObject(i));
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}
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}
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}
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list.add((Map.class == type || Kv.class == type) ? row : Kv.toBean(row, type));
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}
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return list;
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} catch (SQLException e) {
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e.printStackTrace();
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return null;
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}
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}
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/**
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* 查询 第一条的 第一列数据 值
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*
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* @param rs
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* @param type
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* @param <T>
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* @return
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*/
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public static <T> T findColumn(ResultSet rs, Class<T> type) {
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try {
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Object v = null;
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while (rs.next()) {
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ResultSetMetaData metaData = rs.getMetaData();
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int count = metaData.getColumnCount();
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for (int i = 1; i <= count; i++) {
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String columnTypeName = metaData.getColumnTypeName(i);
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if (rs.getObject(i) != null) {
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switch (columnTypeName) {
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case "DATETIME", "TIMESTAMP", "DATE" -> v = rs.getTimestamp(i).getTime();
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default -> v = rs.getObject(i);
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}
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}
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break;
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}
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}
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return Kv.toAs(v, type);
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} catch (SQLException e) {
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e.printStackTrace();
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return null;
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}
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}
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/**
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* List 混排
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*
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* @param list
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* @return
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*/
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public static <T> List<T> mix(List<T> list) {
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int len = list.size();
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Random random = new Random();
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for (int i = 0; i < len; i++) {
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int r = random.nextInt(len);
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if (i == r) continue;
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T x = list.get(i);
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list.set(i, list.get(r));
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list.set(r, x);
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}
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return list;
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}
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@Comment("获取集合随机元素")
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public static <T> List<T> randomItems(List<T> list, int len) {
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List<Integer> randoms = getRandoms(list.size(), len);
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List<T> items = new ArrayList<>(randoms.size());
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randoms.forEach(x -> items.add(list.get(x)));
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return items;
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}
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@Comment("获取随机数字符")
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public static String randomNumber(int len) {
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StringBuilder sb = new StringBuilder();
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Random random = new Random();
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for (int i = 0; i < len; i++) {
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sb.append(random.nextInt(9));
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}
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return sb.toString();
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}
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@Comment("获取随机数集合")
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private static List<Integer> getRandoms(int max, int len) {
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Set<Integer> randoms = new HashSet<>();
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Random random = new Random();
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while (randoms.size() < len && randoms.size() < max) {
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randoms.add(random.nextInt(max));
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}
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List<Integer> list = randoms.stream().collect(Collectors.toList());
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return mix(list);
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}
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/**
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* unicode转中文
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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 unicodeToCn(String str) {
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Pattern pattern = Pattern.compile("(\\\\u(\\p{XDigit}{4}))");
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Matcher matcher = pattern.matcher(str);
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char ch;
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while (matcher.find()) {
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ch = (char) Integer.parseInt(matcher.group(2), 16);
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str = str.replace(matcher.group(1), ch + "");
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}
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return str;
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}
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/**
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* 计算字符串的字符长度
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*
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* @param value
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* @return
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*/
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public static int strLength(String value) {
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int valueLength = 0;
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String chinese = "[\u4e00-\u9fa5]";
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for (int i = 0; i < value.length(); i++) {
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String temp = value.substring(i, i + 1);
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if (temp.matches(chinese)) {
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valueLength += 2;
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} else {
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valueLength += 1;
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}
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}
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return valueLength;
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}
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public static String randomIP() {
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// aaa.aaa.aaa.aaa
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StringBuilder buf = new StringBuilder();
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Random r = new Random();
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buf.append("x").append(".");
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buf.append(r.nextInt(255)).append(".");
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buf.append(r.nextInt(255)).append(".");
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buf.append(r.nextInt(255));
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return buf.toString();
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}
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public static String fmt36(int n) {
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return Integer.toString(n, 36);
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}
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public static String fmt36(long n) {
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return Long.toString(n, 36);
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}
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public static <T, V> Map<T, V> toMap(Collection<V> list, Function<V, T> fun) {
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Map<T, V> map = new HashMap<>(list.size());
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for (V v : list) {
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if (v == null) {
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continue;
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}
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map.put(fun.apply(v), v);
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}
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return map;
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}
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public static <T, V, T2> Map<T, T2> toMap(Collection<V> list, Function<V, T> fun, Function<V, T2> fun2) {
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Map<T, T2> map = new HashMap<>(list.size());
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for (V v : list) {
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if (v == null) {
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continue;
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}
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map.put(fun.apply(v), fun2.apply(v));
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}
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return map;
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}
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public static <T, V> List<V> toList(Collection<T> list, Function<T, V> fun) {
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if (list == null || list.isEmpty()) {
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return new ArrayList<>();
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}
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List<V> list1 = new ArrayList<>();
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list.forEach(x -> list1.add(fun.apply(x)));
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return list1;
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}
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public static <T, V> List<V> toList(Sheet<T> sheet, Function<T, V> fun) {
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List<V> list = new ArrayList<>();
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sheet.forEach(x -> list.add(fun.apply(x)));
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return list;
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}
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public static <T, V> Set<V> toSet(Collection<T> list, Function<T, V> fun) {
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if (list == null || list.isEmpty()) {
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return new HashSet<>();
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}
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Set<V> set = new HashSet<>(list.size());
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list.forEach(x -> set.add(fun.apply(x)));
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return set;
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}
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public static <T, V> Set<V> toSet(Sheet<T> sheet, Function<T, V> fun) {
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Set<V> set = new HashSet<>();
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sheet.forEach(x -> set.add(fun.apply(x)));
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return set;
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}
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public static <T> List<T> filter(Collection<T> list, Predicate<T> predicate) {
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if (list == null || list.isEmpty()) {
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return new ArrayList<>();
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}
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List<T> list1 = new ArrayList<>(list.size());
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list.forEach(x -> {
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if (!predicate.test(x)) {
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return;
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}
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list1.add(x);
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});
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return list1;
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}
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public static <T, V> List<V> filterToList(Collection<T> list, Predicate<T> predicate, Function<T, V> fun) {
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if (list == null || list.isEmpty()) {
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return new ArrayList<>();
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}
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List<V> list1 = new ArrayList<>(list.size());
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list.forEach(x -> {
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if (!predicate.test(x)) {
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return;
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}
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list1.add(fun.apply(x));
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});
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return list1;
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}
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public static <T, V> Map<V, List<T>> group(Collection<T> list, Function<T, V> fun) {
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if (list == null || list.isEmpty()) {
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return new HashMap<>();
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}
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return list.stream().collect(Collectors.groupingBy(fun));
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}
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public static <T, V, K> Map<V, List<K>> group(Collection<T> list, Function<T, V> fun, Function<T, K> fun2) {
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if (list == null || list.isEmpty()) {
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return new HashMap<>();
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}
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Map<V, List<T>> group = group(list, fun);
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Map<V, List<K>> _group = new HashMap<>();
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group.forEach((k, v) -> _group.put(k, toList(v, fun2)));
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return _group;
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}
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public static String getHtmlBody(String html) {
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String s = html.replaceAll("\n", "");
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int bodyIndex = s.indexOf("<body>");
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if (bodyIndex > -1) {
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bodyIndex = bodyIndex + 6;
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int lastIndexOf = s.lastIndexOf("</body>");
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if (lastIndexOf < bodyIndex) lastIndexOf = s.length();
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s = s.substring(bodyIndex, lastIndexOf);
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}
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return s;
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}
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public static String getHtmlText(String html) {
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return html.replaceAll("<([^ \\f\\n\\r\\t\\v<]| )+>", "");
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}
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|
||||
//获取指定日期的 前/后 几天日期
|
||||
public static long plusDays(long datetime, int daynum) {
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||||
if (daynum == 0 || datetime == 0) {
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return datetime;
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||||
}
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||||
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||||
ZoneId zoneId = ZoneId.systemDefault();
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||||
LocalDateTime time = LocalDateTime.ofInstant(Instant.ofEpochMilli(datetime), zoneId);
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||||
time = time.plusDays(daynum);
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||||
return time.toInstant(ZoneOffset.of("+8")).toEpochMilli();
|
||||
}
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||||
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||||
// -----------------
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||||
private static final MessageDigest sha1;
|
||||
private static final MessageDigest md5;
|
||||
private static final String AES_KEY = "HAOGAME_20200721";
|
||||
private static final Cipher aesEncrypter; //加密
|
||||
private static final Cipher aesDecrypter; //解密
|
||||
|
||||
static {
|
||||
MessageDigest d = null;
|
||||
try {
|
||||
d = MessageDigest.getInstance("SHA-1");
|
||||
} catch (NoSuchAlgorithmException ex) {
|
||||
throw new Error(ex);
|
||||
}
|
||||
sha1 = d;
|
||||
try {
|
||||
d = MessageDigest.getInstance("MD5");
|
||||
} catch (NoSuchAlgorithmException ex) {
|
||||
throw new Error(ex);
|
||||
}
|
||||
md5 = d;
|
||||
|
||||
Cipher cipher = null;
|
||||
final SecretKeySpec aesKey = new SecretKeySpec(AES_KEY.getBytes(), "AES");
|
||||
try {
|
||||
cipher = Cipher.getInstance("AES");
|
||||
cipher.init(Cipher.ENCRYPT_MODE, aesKey);
|
||||
} catch (Exception e) {
|
||||
throw new Error(e);
|
||||
}
|
||||
aesEncrypter = cipher; //加密
|
||||
try {
|
||||
cipher = Cipher.getInstance("AES");
|
||||
cipher.init(Cipher.DECRYPT_MODE, aesKey);
|
||||
} catch (Exception e) {
|
||||
throw new Error(e);
|
||||
}
|
||||
aesDecrypter = cipher; //解密
|
||||
}
|
||||
|
||||
//AES加密
|
||||
public static String encryptAES(String value) {
|
||||
if (value == null || value.isEmpty()) {
|
||||
return value;
|
||||
}
|
||||
try {
|
||||
synchronized (aesEncrypter) {
|
||||
return Utility.binToHexString(aesEncrypter.doFinal(value.getBytes()));
|
||||
}
|
||||
} catch (Exception e) {
|
||||
throw new RuntimeException(e);
|
||||
}
|
||||
}
|
||||
|
||||
//AES解密
|
||||
public static String decryptAES(String value) {
|
||||
if (value == null || value.isEmpty()) {
|
||||
return value;
|
||||
}
|
||||
byte[] hex = Utility.hexToBin(value);
|
||||
try {
|
||||
synchronized (aesEncrypter) {
|
||||
return new String(aesDecrypter.doFinal(hex));
|
||||
}
|
||||
} catch (Exception e) {
|
||||
throw new RuntimeException(e);
|
||||
}
|
||||
}
|
||||
|
||||
@Comment("GET请求参数转换为字符，结果：p1=v1&p2=v2&p3=v3")
|
||||
public static String convertHttpParams(Map map, boolean encode) {
|
||||
if (map == null || map.isEmpty()) {
|
||||
return "";
|
||||
}
|
||||
|
||||
StringBuilder sb = new StringBuilder();
|
||||
map.forEach((k, v) -> {
|
||||
if (Utils.isEmpty(k) || Utils.isEmpty(v)) {
|
||||
return;
|
||||
}
|
||||
String value = String.valueOf(v);
|
||||
if (encode) {
|
||||
value = URLEncoder.encode(String.valueOf(v), StandardCharsets.UTF_8);
|
||||
}
|
||||
sb.append("&").append(k).append("=").append(value);
|
||||
});
|
||||
return sb.length() > 0 ? sb.substring(1) : "";
|
||||
}
|
||||
|
||||
@Comment("对象转GET请求参数转换为字符，结果：p1=v1&p2=v2&p3=v3")
|
||||
public static String convertHttpParams(Object o, List<String> removeFields, boolean encode) {
|
||||
Class<? extends Object> c = o.getClass();
|
||||
Field[] fields = c.getDeclaredFields();
|
||||
Map<String, Object> map = new TreeMap<String, Object>();
|
||||
for (Field field : fields) {
|
||||
field.setAccessible(true);
|
||||
String name = field.getName();
|
||||
if (!Utils.isEmpty(removeFields) && removeFields.contains(name)) {
|
||||
continue;
|
||||
}
|
||||
Object value = null;
|
||||
try {
|
||||
value = field.get(o);
|
||||
} catch (IllegalAccessException e) {
|
||||
e.printStackTrace();
|
||||
}
|
||||
if (value != null) {
|
||||
map.put(name, value);
|
||||
}
|
||||
}
|
||||
return convertHttpParams(map, encode);
|
||||
}
|
||||
|
||||
@Comment("GET请求参数转换为字符，结果：p1=v1&p2=v2&p3=v3")
|
||||
public static String convertHttpParams(Map<String, Object> map) {
|
||||
if (map == null || map.isEmpty()) {
|
||||
return "";
|
||||
}
|
||||
Set<String> sortSet = new TreeSet<String>();
|
||||
for (Map.Entry<String, Object> entry : map.entrySet()) {
|
||||
sortSet.add(entry.getKey());
|
||||
}
|
||||
|
||||
// 参数名按ASCII码从小到大排序（字典序）,然后使用( & )连接排好序的key=value集合
|
||||
StringBuffer sb = new StringBuffer();
|
||||
boolean isFirst = true;
|
||||
for (String key : sortSet) {
|
||||
if (isFirst) {
|
||||
sb.append(key + "=" + URLEncoder.encode(String.valueOf(map.get(key)), StandardCharsets.UTF_8));
|
||||
isFirst = false;
|
||||
} else {
|
||||
sb.append("&" + key + "=" + URLEncoder.encode(String.valueOf(map.get(key)), StandardCharsets.UTF_8));
|
||||
}
|
||||
}
|
||||
|
||||
return sb.toString();
|
||||
}
|
||||
|
||||
@Comment("对象转map")
|
||||
public static Map<String, Object> convertToMap(Object o, List<String> removeFields) {
|
||||
Class<? extends Object> c = o.getClass();
|
||||
List<Field> fields = Stream.of(c.getDeclaredFields()).collect(Collectors.toList());
|
||||
if (c.getSuperclass() != null) {
|
||||
Field[] superFields = c.getSuperclass().getDeclaredFields();
|
||||
if (superFields.length > 0) {
|
||||
fields.addAll(Arrays.asList(superFields));
|
||||
}
|
||||
}
|
||||
|
||||
Map<String, Object> map = new TreeMap<>();
|
||||
for (Field field : fields) {
|
||||
field.setAccessible(true);
|
||||
String name = field.getName();
|
||||
if (!Utils.isEmpty(removeFields) && removeFields.contains(name)) {
|
||||
continue;
|
||||
}
|
||||
Object value = null;
|
||||
try {
|
||||
value = field.get(o);
|
||||
} catch (IllegalAccessException e) {
|
||||
e.printStackTrace();
|
||||
}
|
||||
if (value != null) {
|
||||
map.put(name, value);
|
||||
}
|
||||
}
|
||||
return map;
|
||||
}
|
||||
|
||||
@Comment("key字典排序")
|
||||
public static LinkedHashMap sortedMap(Map<String, ?> map, String... excludeKeys) {
|
||||
List<String> excludeList = List.of(excludeKeys);
|
||||
LinkedHashMap<String, Object> linkedHashMap = new LinkedHashMap<>();
|
||||
map.entrySet().stream()
|
||||
.filter(f -> !excludeList.contains(f.getKey()))
|
||||
.sorted(Map.Entry.comparingByKey())
|
||||
.forEach(x -> linkedHashMap.put(x.getKey(), x.getValue()));
|
||||
return linkedHashMap;
|
||||
}
|
||||
|
||||
@Comment(" string转化为jsonstring")
|
||||
public static String convertParamStrToJsonStr(String paramStr) {
|
||||
StringBuilder builder = new StringBuilder();
|
||||
Arrays.stream(paramStr.split("&")).forEach(x -> {
|
||||
//防止有地址传参时造成的错误解析
|
||||
x = URLDecoder.decode(x, StandardCharsets.UTF_8);
|
||||
int index = x.indexOf("=");
|
||||
char c = x.charAt(index + 1);
|
||||
builder.append(String.format("\"%s\":\"%s\",", x.substring(0, index), c == '[' || c == '{' ? x.substring(index + 1).replaceAll("\"", "\\\\\"") : x.substring(index + 1)));
|
||||
});
|
||||
return String.format("{%s}", builder.deleteCharAt(builder.length() - 1).toString());
|
||||
}
|
||||
|
||||
public static <T> Sheet<T> querySheetBySql(DataSource dataSource, String sql, Flipper flipper, Class<T> type) {
|
||||
DataJdbcSource jdbcSource = (DataJdbcSource) dataSource;
|
||||
//总条数
|
||||
int total = jdbcSource.directQuery("select count(0) c from (" + sql + ") c", rs -> {
|
||||
int result = 0;
|
||||
try {
|
||||
while (rs.next()) {
|
||||
result = rs.getInt(1);
|
||||
}
|
||||
} catch (SQLException e) {
|
||||
e.printStackTrace();
|
||||
}
|
||||
return result;
|
||||
});
|
||||
|
||||
if (total == 0) {
|
||||
return new Sheet<>(0, new ArrayList<>());
|
||||
}
|
||||
|
||||
if (flipper != null) {
|
||||
sql = String.format("%s %s limit %s,%s ", sql, Utils.isEmpty(flipper.getSort()) ? "" : "order by " + flipper.getSort(), flipper.getOffset(), flipper.getLimit());
|
||||
}
|
||||
List<T> dataList = jdbcSource.directQuery(sql, rs -> Utils.queryList(rs, type));
|
||||
return new Sheet<>(total, dataList);
|
||||
}
|
||||
|
||||
@Comment("获取次日0点0分0秒时间戳")
|
||||
public static long getNextDayZero() {
|
||||
LocalDate localDate = LocalDate.now();
|
||||
localDate = localDate.plusDays(1);
|
||||
LocalDateTime dateTime = LocalDateTime.of(localDate.getYear(), localDate.getMonth(), localDate.getDayOfMonth(), 0, 0, 0);
|
||||
return dateTime.atZone(ZoneId.systemDefault()).toInstant().toEpochMilli();
|
||||
}
|
||||
|
||||
public static String formatTime(long time, String pattern) {
|
||||
if (Utils.isEmpty(pattern)) pattern = "yyyy-MM-dd";
|
||||
SimpleDateFormat sdf = new SimpleDateFormat(pattern);
|
||||
return sdf.format(new Date(time));
|
||||
}
|
||||
|
||||
@Comment("获取字符串中某个字符的数量")
|
||||
public static int strCountOfChar(String str, String code) {
|
||||
int fromIndex = 0;
|
||||
int count = 0;
|
||||
while (true) {
|
||||
int index = str.indexOf(code, fromIndex);
|
||||
if (-1 != index) {
|
||||
fromIndex = index + 1;
|
||||
count++;
|
||||
} else {
|
||||
break;
|
||||
}
|
||||
}
|
||||
return count;
|
||||
}
|
||||
|
||||
private static Random random = new Random();
|
||||
|
||||
public static int randomNum(int len) {
|
||||
int rs = random.nextInt(9);
|
||||
if (rs == 0) rs = 1;
|
||||
for (int i = 0; i < len - 1; i++) { //总长度为6
|
||||
rs = rs * 10 + random.nextInt(9);
|
||||
}
|
||||
return rs;
|
||||
}
|
||||
|
||||
public static String genMd5(String info) {
|
||||
MessageDigest md5 = null;
|
||||
try {
|
||||
md5 = MessageDigest.getInstance("MD5");
|
||||
} catch (NoSuchAlgorithmException e) {
|
||||
throw new RuntimeException(e);
|
||||
}
|
||||
byte[] infoBytes = info.getBytes();
|
||||
md5.update(infoBytes);
|
||||
byte[] sign = md5.digest();
|
||||
return byteArrayToHex(sign);
|
||||
}
|
||||
|
||||
public static String byteArrayToHex(byte[] bytes) {
|
||||
StringBuilder sign = new StringBuilder();
|
||||
for (byte aByte : bytes) {
|
||||
String hex = Integer.toHexString(aByte & 0xFF);
|
||||
if (hex.length() == 1) {
|
||||
sign.append("0");
|
||||
}
|
||||
sign.append(hex.toLowerCase());
|
||||
}
|
||||
return sign.toString();
|
||||
}
|
||||
|
||||
}
|
||||
Reference in New Issue
Block a user