From f65443d8abeaedc9d102324565e8368e7c9d90c8 Mon Sep 17 00:00:00 2001
From: 郑永安 <zyazyz250@sina.com>
Date: 星期一, 19 六月 2023 14:41:54 +0800
Subject: [PATCH] commit
---
src/main/java/com/gk/firework/Domain/Utils/StringUtils.java | 219 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 219 insertions(+), 0 deletions(-)
diff --git a/src/main/java/com/gk/firework/Domain/Utils/StringUtils.java b/src/main/java/com/gk/firework/Domain/Utils/StringUtils.java
new file mode 100644
index 0000000..a2a9b4a
--- /dev/null
+++ b/src/main/java/com/gk/firework/Domain/Utils/StringUtils.java
@@ -0,0 +1,219 @@
+package com.gk.firework.Domain.Utils;
+
+import sun.misc.BASE64Encoder;
+
+import java.math.BigInteger;
+import java.nio.charset.Charset;
+import java.security.MessageDigest;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.List;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+/**
+ * 继承自Spring util的工具类，减少jar依赖
+ * @author L.cm
+ */
+public class StringUtils extends org.springframework.util.StringUtils {
+ /**
+ * Check whether the given {@code CharSequence} contains actual <em>text</em>.
+ * <p>More specifically, this method returns {@code true} if the
+ * {@code CharSequence} is not {@code null}, its length is greater than
+ * 0, and it contains at least one non-whitespace character.
+ * <p><pre class="code">
+ * StringUtils.isBlank(null) = true
+ * StringUtils.isBlank("") = true
+ * StringUtils.isBlank(" ") = true
+ * StringUtils.isBlank("12345") = false
+ * StringUtils.isBlank(" 12345 ") = false
+ * </pre>
+ * @param str the {@code CharSequence} to check (may be {@code null})
+ * @return {@code true} if the {@code CharSequence} is not {@code null},
+ * its length is greater than 0, and it does not contain whitespace only
+ * @see Character#isWhitespace
+ */
+ public static boolean isBlank(final CharSequence cs) {
+ return !StringUtils.isNotBlank(cs);
+ }
+
+ /**
+ * <p>Checks if a CharSequence is not empty (""), not null and not whitespace only.</p>
+ *
+ * <pre>
+ * StringUtils.isNotBlank(null) = false
+ * StringUtils.isNotBlank("") = false
+ * StringUtils.isNotBlank(" ") = false
+ * StringUtils.isNotBlank("bob") = true
+ * StringUtils.isNotBlank(" bob ") = true
+ * </pre>
+ *
+ * @param cs the CharSequence to check, may be null
+ * @return {@code true} if the CharSequence is
+ * not empty and not null and not whitespace
+ * @see Character#isWhitespace
+ */
+ public static boolean isNotBlank(final CharSequence cs) {
+ return StringUtils.hasText(cs);
+ }
+
+ /**
+ * Convert a {@code Collection} into a delimited {@code String} (e.g. CSV).
+ * <p>Useful for {@code toString()} implementations.
+ * @param coll the {@code Collection} to convert
+ * @param delim the delimiter to use (typically a ",")
+ * @return the delimited {@code String}
+ */
+ public static String join(Collection<?> coll, String delim) {
+ return StringUtils.collectionToDelimitedString(coll, delim);
+ }
+
+ /**
+ * Convert a {@code String} array into a delimited {@code String} (e.g. CSV).
+ * <p>Useful for {@code toString()} implementations.
+ * @param arr the array to display
+ * @param delim the delimiter to use (typically a ",")
+ * @return the delimited {@code String}
+ */
+ public static String join(Object[] arr, String delim) {
+ return StringUtils.arrayToDelimitedString(arr, delim);
+ }
+
+ public static List<String> toList(String id) {
+ List<String> list = new ArrayList<String>();
+ String[] str = id.split(",");
+ for (int i = 0; i < str.length; i++) {
+ list.add(str[i]);
+ }
+ return list;
+ }
+
+ public static String todbstr(String str) {
+ return "'"+ str +"'";
+ }
+
+ public static String MD5Encoder(String s,String charset){
+ try{
+ byte[] btInput = s.getBytes(charset);
+ MessageDigest mdInst = MessageDigest.getInstance("MD5");
+ mdInst.update(btInput);
+
+ byte[] md = mdInst.digest();
+ StringBuffer sb = new StringBuffer();
+ for(int i =0 ;i<md.length;i++)
+ {
+ int val = ((int)md[i]) & 0xff;
+ if(val<16){
+ sb.append("0");
+ }
+ sb.append(Integer.toHexString(val));
+ }
+ return sb.toString();
+ }
+ catch (Exception e)
+ {
+ return null;
+ }
+ }
+
+ public static String getMD5(String str) {
+ try {
+ MessageDigest md = MessageDigest.getInstance("MD5");
+ md.update(str.getBytes());
+ // digest()最后确定返回md5 hash值，返回值为8为字符串。因为md5 hash值是16位的hex值，实际上就是8位的字符
+ // BigInteger函数则将8位的字符串转换成16位hex值，用字符串来表示；得到字符串形式的hash值
+ return new BigInteger(1, md.digest()).toString(16);
+ } catch (Exception e) {
+ return "";
+ }
+ }
+
+ public static String MD5OpenApiEncoder(String s,String charset){
+ try{
+ byte[] btInput = s.getBytes(charset);
+ MessageDigest mdInst = MessageDigest.getInstance("MD5");
+ mdInst.update(btInput);
+
+ byte[] md = mdInst.digest();
+ StringBuffer sb = new StringBuffer();
+ for(int i =0 ;i<md.length;i++)
+ {
+ int val = ((int)md[i]) & 0xff;
+ if(val<16){
+ sb.append("0");
+ }
+ sb.append(Integer.toHexString(val));
+ }
+ return sb.toString();
+ }
+ catch (Exception e)
+ {
+ return null;
+ }
+ }
+
+ public static String md5(String message) {
+ try {
+ MessageDigest md;
+
+ md = MessageDigest.getInstance("md5");
+ byte m5[] = md.digest(message.getBytes());
+ BASE64Encoder encoder = new BASE64Encoder();
+ return encoder.encode(m5);
+ } catch (Exception e) {
+ // TODO Auto-generated catch block
+ return "";
+ }
+ }
+
+ public static Boolean isSame(String str1,String str2)
+ {
+
+ if(StringUtils.isNotBlank(str1) && StringUtils.isBlank(str2))
+ {
+ return false;
+ }
+ else if(StringUtils.isBlank(str1) && StringUtils.isNotBlank(str2))
+ {
+ return false;
+ }
+ else if(StringUtils.isBlank(str1) && StringUtils.isBlank(str2))
+ {
+ return true;
+ }
+ else {
+ if(!str1.equals(str2)) {
+ return false;
+ }
+ else {
+ return true;
+ }
+ }
+ }
+
+ public static boolean isContainChinese(String str){
+
+ if (StringUtils.isBlank(str)) {
+ return false;
+ }
+ Pattern p = Pattern.compile("[\u4E00-\u9FA5|\\！|\\，|\\。|\\（|\\）|\\《|\\》|\\“|\\”|\\？|\\：|\\；|\\【|\\】]");
+ Matcher m = p.matcher(str);
+ if (m.find()) {
+ return true;
+ }
+ return false;
+ }
+
+ public static String ytoMd5(String sourceStr) {
+ String result = "";
+ try {
+ MessageDigest md5 = MessageDigest.getInstance("MD5");
+ byte[] bytes = md5.digest((sourceStr).getBytes(Charset.forName("utf-8")));
+ result = new String(org.apache.commons.codec.binary.Base64.encodeBase64(bytes),"utf-8");
+
+ } catch (Exception e) {
+ e.printStackTrace();
+ }
+ return result;
+ }
+}
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