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refactor(kotlin): 重构 AES 工具类并优化 Base64 编解码方法
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- 重构 AesUtils.kt,使用 Kotlin 标准库的 encode 和 decode 方法替代自定义实现- 删除 Java 版本的 Base64Utils 类,迁移到 Kotlin 实现
- 重命名 ByteUtil.kt 为 ByteUtils.kt,统一命名风格
- 删除 Java 版本的 CloneUtil 类和 Factory 类,使用 Kotlin 实现
- 新增 Kotlin 版本的 SpringBeanUtils 工具类
This commit is contained in:
Armamem0t 2025-09-14 21:47:04 +08:00
parent fb4e103da8
commit 1fab0b02be
Signed by: minglipro
GPG Key ID: 5F355A77B22AA93B
17 changed files with 571 additions and 1015 deletions
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198
src/main/java/com/mingliqiye/utils/base64/Base64Utils.java
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@ -1,198 +0,0 @@
/*
* Copyright 2025 mingliqiye
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* ProjectName mingli-utils
* ModuleName mingli-utils.main
* CurrentFile Base64Utils.java
* LastUpdate 2025-09-09 08:37:33
* UpdateUser MingLiPro
*/
package com.mingliqiye.utils.base64;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.Base64;
/**
* Base64工具类，提供对字节数组、文件和字符串的Base64编码与解码功能。
*/
public class Base64Utils {
// Base64编码器实例
private static final Base64.Encoder BASE_64_ENCODER = Base64.getEncoder();
// Base64解码器实例
private static final Base64.Decoder BASE_64_DECODER = Base64.getDecoder();
/**
* 对字节数组进行Base64编码。
*
* @param bytes 待编码的字节数组
* @return 编码后的Base64字符串
*/
public static String encode(byte[] bytes) {
return BASE_64_ENCODER.encodeToString(bytes);
}
/**
* 对文件内容进行Base64编码。
*
* @param file 待编码的文件对象
* @return 编码后的Base64字符串
* @throws RuntimeException 如果读取文件时发生IO异常
*/
public static String encode(File file) {
try {
byte[] bytes = java.nio.file.Files.readAllBytes(file.toPath());
return encode(bytes);
} catch (IOException e) {
throw new RuntimeException(e);
}
}
/**
* 根据文件路径对文件内容进行Base64编码。
*
* @param filePath 文件路径
* @return 编码后的Base64字符串
*/
public static String encode(String filePath) {
return encode(new File(filePath));
}
/**
* 安全地对文件内容进行Base64编码，出错时返回null。
*
* @param file 待编码的文件对象
* @return 编码后的Base64字符串，出错时返回null
*/
public static String encodeSafe(File file) {
try {
return encode(file);
} catch (Exception e) {
return null;
}
}
/**
* 安全地根据文件路径对文件内容进行Base64编码，出错时返回null。
*
* @param filePath 文件路径
* @return 编码后的Base64字符串，出错时返回null
*/
public static String encodeSafe(String filePath) {
try {
return encode(filePath);
} catch (Exception e) {
return null;
}
}
/**
* 对Base64字符串进行解码。
*
* @param base64 待解码的Base64字符串
* @return 解码后的字节数组
*/
public static byte[] decode(String base64) {
return BASE_64_DECODER.decode(base64);
}
/**
* 安全地对Base64字符串进行解码，出错时返回null。
*
* @param base64 待解码的Base64字符串
* @return 解码后的字节数组，出错时返回null
*/
public static byte[] decodeSafe(String base64) {
try {
return decode(base64);
} catch (Exception e) {
return null;
}
}
/**
* 将Base64字符串解码并写入指定文件。
*
* @param base64 待解码的Base64字符串
* @param file 目标文件对象
* @throws RuntimeException 如果写入文件时发生IO异常
*/
public static void decodeToFile(String base64, File file) {
try (FileOutputStream fos = new FileOutputStream(file)) {
byte[] bytes = decode(base64);
fos.write(bytes);
} catch (IOException e) {
throw new RuntimeException(e);
}
}
/**
* 将Base64字符串解码并写入指定路径的文件。
*
* @param base64 待解码的Base64字符串
* @param filePath 目标文件路径
*/
public static void decodeToFile(String base64, String filePath) {
decodeToFile(base64, new File(filePath));
}
/**
* 安全地将Base64字符串解码并写入指定文件，出错时返回false。
*
* @param base64 待解码的Base64字符串
* @param file 目标文件对象
* @return 成功写入返回true，否则返回false
*/
public static boolean decodeToFileSafe(String base64, File file) {
try {
decodeToFile(base64, file);
return true;
} catch (Exception e) {
return false;
}
}
/**
* 安全地将Base64字符串解码并写入指定路径的文件，出错时返回false。
*
* @param base64 待解码的Base64字符串
* @param filePath 目标文件路径
* @return 成功写入返回true，否则返回false
*/
public static boolean decodeToFileSafe(String base64, String filePath) {
return decodeToFileSafe(base64, new File(filePath));
}
/**
* 对字节数组中指定范围的数据进行Base64编码。
*
* @param bytes 源字节数组
* @param offset 起始偏移量
* @param length 要编码的数据长度
* @return 编码后的Base64字符串
*/
public static String encodeBytes(byte[] bytes, int offset, int length) {
byte[] data = new byte[length];
System.arraycopy(bytes, offset, data, 0, length);
return encode(data);
}
public static String encodeBytes(byte[] bytes) {
return encodeBytes(bytes, 0, bytes.length);
}
}

270
src/main/java/com/mingliqiye/utils/bean/Factory.java
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@ -1,270 +0,0 @@
/*
* Copyright 2025 mingliqiye
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* ProjectName mingli-utils
* ModuleName mingli-utils.main
* CurrentFile Factory.java
* LastUpdate 2025-09-09 08:39:07
* UpdateUser MingLiPro
*/
package com.mingliqiye.utils.bean;
import com.mingliqiye.utils.bean.annotation.ComponentBean;
import com.mingliqiye.utils.bean.annotation.InjectBean;
import java.io.File;
import java.lang.reflect.Field;
import java.net.URL;
import java.util.Enumeration;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ConcurrentMap;
/**
* 类似于SpringBoot的Bean管理器
*
* @author MingLiPro
*/
public class Factory {
/**
* 存储所有已注册的Bean实例，键为Bean名称，值为Bean实例
*/
public static final ConcurrentMap<String, Object> BEANS =
new ConcurrentHashMap<>();
/**
* 存储按类型查找的Bean实例，键为Bean的Class对象，值为Bean实例
*/
private static final ConcurrentMap<Class<?>, Object> TYPE_BEANS =
new ConcurrentHashMap<>();
/**
* 私有构造函数，防止外部实例化该类
*/
private Factory() {}
/**
* 自动扫描指定类所在包下的所有类并注册为Bean
*
* @param c 指定的类，用于获取其所在的包
* @throws IllegalArgumentException 如果传入的类为null或位于默认包中
*/
public static void autoScan(Class<?> c) {
if (c == null) {
throw new IllegalArgumentException("Class cannot be null");
}
Package pkg = c.getPackage();
if (pkg == null) {
throw new IllegalArgumentException(
"Class is in the default package"
);
}
scan(pkg.getName());
}
/**
* 扫描指定包路径下的所有类文件，并注册其中带有@ComponentBean注解的类为Bean
*
* @param basePackage 要扫描的基础包名
* @throws RuntimeException 如果在扫描过程中发生异常
*/
public static void scan(String basePackage) {
try {
String path = basePackage.replace('.', '/');
ClassLoader classLoader =
Thread.currentThread().getContextClassLoader();
Enumeration<URL> resources = null;
resources = classLoader.getResources(path);
while (resources.hasMoreElements()) {
URL resource = resources.nextElement();
File file = new File(resource.toURI());
scanDirectory(file, basePackage);
}
injectDependencies();
} catch (Exception e) {
throw new RuntimeException(e);
}
}
/**
* 递归扫描目录中的所有类文件，并注册符合条件的类为Bean
*
* @param directory 当前要扫描的目录
* @param packageName 当前目录对应的包名
* @throws Exception 如果在扫描或类加载过程中发生异常
*/
private static void scanDirectory(File directory, String packageName)
throws Exception {
File[] files = directory.listFiles();
if (files == null) {
return;
}
for (File file : files) {
if (file.isDirectory()) {
scanDirectory(file, packageName + "." + file.getName());
} else if (file.getName().endsWith(".class")) {
String className =
packageName + '.' + file.getName().replace(".class", "");
registerComponent(Class.forName(className));
}
}
}
/**
* 注册一个带有@ComponentBean注解的类为Bean实例
*
* @param clazz 要注册的类
* @throws Exception 如果在实例化类或处理注解时发生异常
*/
private static void registerComponent(Class<?> clazz) throws Exception {
if (clazz.isAnnotationPresent(ComponentBean.class)) {
ComponentBean component = clazz.getAnnotation(ComponentBean.class);
String name = component.value().isEmpty()
? clazz.getName()
: component.value();
Object instance = clazz.getDeclaredConstructor().newInstance();
BEANS.put(name, instance);
TYPE_BEANS.put(clazz, instance);
for (Class<?> interfaceClass : clazz.getInterfaces()) {
TYPE_BEANS.putIfAbsent(interfaceClass, instance);
}
}
}
/**
* 对所有已注册的Bean进行依赖注入处理
*
* @throws Exception 如果在注入过程中发生异常
*/
private static void injectDependencies() throws Exception {
for (Object bean : BEANS.values()) {
for (Field field : bean.getClass().getDeclaredFields()) {
if (field.isAnnotationPresent(InjectBean.class)) {
InjectBean inject = field.getAnnotation(InjectBean.class);
Object dependency = findDependency(
field.getType(),
inject.value()
);
if (dependency == null) {
throw new IllegalStateException(
"No suitable dependency found for field " +
field.getName() +
" in class " +
bean.getClass().getName()
);
}
field.setAccessible(true);
field.set(bean, dependency);
}
}
}
}
/**
* 根据类型和名称查找对应的依赖实例
*
* @param type 依赖的类型
* @param name 依赖的名称（可为空）
* @return 找到的依赖实例，未找到则返回null
*/
private static Object findDependency(Class<?> type, String name) {
if (!name.isEmpty()) {
return BEANS.get(name);
}
Object dependency = TYPE_BEANS.get(type);
if (dependency != null) {
return dependency;
}
for (Class<?> interfaceType : TYPE_BEANS.keySet()) {
if (type.isAssignableFrom(interfaceType)) {
return TYPE_BEANS.get(interfaceType);
}
}
return null;
}
/**
* 将一个对象添加到Bean容器中，使用其类名作为键
*
* @param object 要添加的对象
* @throws RuntimeException 如果在注入依赖时发生异常
*/
public static void add(Object object) {
Class<?> clazz = object.getClass();
String name = clazz.getName();
BEANS.put(name, object);
TYPE_BEANS.put(clazz, object);
try {
injectDependencies();
} catch (Exception e) {
throw new RuntimeException(e);
}
}
/**
* 将一个对象以指定名称添加到Bean容器中
*
* @param name Bean的名称
* @param object 要添加的对象
* @throws RuntimeException 如果在注入依赖时发生异常
*/
public static void add(String name, Object object) {
BEANS.put(name, object);
TYPE_BEANS.put(object.getClass(), object);
try {
injectDependencies();
} catch (Exception e) {
throw new RuntimeException(e);
}
}
/**
* 根据类型获取对应的Bean实例
*
* @param objclass Bean的类型
* @param <T> Bean的泛型类型
* @return 对应类型的Bean实例，未找到则返回null
*/
public static <T> T get(Class<T> objclass) {
return objclass.cast(TYPE_BEANS.get(objclass));
}
/**
* 根据名称和类型获取对应的Bean实例
*
* @param name Bean的名称
* @param objclass Bean的类型
* @param <T> Bean的泛型类型
* @return 对应名称和类型的Bean实例，未找到则返回null
*/
public static <T> T get(String name, Class<T> objclass) {
return objclass.cast(BEANS.get(name));
}
/**
* 根据名称获取对应的Bean实例
*
* @param name Bean的名称
* @return 对应名称的Bean实例，未找到则返回null
*/
public static Object get(String name) {
return BEANS.get(name);
}
}

37
src/main/java/com/mingliqiye/utils/bean/annotation/ComponentBean.java
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@ -1,37 +0,0 @@
/*
* Copyright 2025 mingliqiye
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* ProjectName mingli-utils
* ModuleName mingli-utils.main
* CurrentFile ComponentBean.java
* LastUpdate 2025-09-09 08:37:33
* UpdateUser MingLiPro
*/
package com.mingliqiye.utils.bean.annotation;
import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;
/**
* @author MingLiPro
*/
@Retention(RetentionPolicy.RUNTIME)
@Target(ElementType.TYPE)
public @interface ComponentBean {
String value() default "";
}

37
src/main/java/com/mingliqiye/utils/bean/annotation/InjectBean.java
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@ -1,37 +0,0 @@
/*
* Copyright 2025 mingliqiye
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* ProjectName mingli-utils
* ModuleName mingli-utils.main
* CurrentFile InjectBean.java
* LastUpdate 2025-09-09 08:37:34
* UpdateUser MingLiPro
*/
package com.mingliqiye.utils.bean.annotation;
import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;
/**
* @author MingLiPro
*/
@Retention(RetentionPolicy.RUNTIME)
@Target(ElementType.FIELD)
public @interface InjectBean {
String value() default "";
}

97
src/main/java/com/mingliqiye/utils/bean/springboot/SpringBeanUtil.java
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@ -1,97 +0,0 @@
/*
* Copyright 2025 mingliqiye
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* ProjectName mingli-utils
* ModuleName mingli-utils.main
* CurrentFile SpringBeanUtil.java
* LastUpdate 2025-09-09 08:37:33
* UpdateUser MingLiPro
*/
package com.mingliqiye.utils.bean.springboot;
import lombok.Getter;
import org.jetbrains.annotations.NotNull;
import org.springframework.beans.BeansException;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
import org.springframework.stereotype.Component;
/**
* Spring Bean工具类
* 实现ApplicationContextAware接口，并加入Component注解，让spring扫描到该bean
* 该类用于在普通Java类中注入bean,普通Java类中用@Autowired是无法注入bean的
* <p>
* 需要放入扫描类中
*
* @author MingLiPro
*/
@Component
public class SpringBeanUtil implements ApplicationContextAware {
/**
* 获取applicationContext
*/
@Getter
private static ApplicationContext applicationContext;
/**
* 通过bean名称获取Bean实例
*
* @param name bean名称
* @return bean实例对象
*/
public static Object getBean(String name) {
return getApplicationContext().getBean(name);
}
/**
* 通过bean类型获取Bean实例
*
* @param clazz bean的Class类型
* @param <T> 泛型类型
* @return 指定类型的bean实例
*/
public static <T> T getBean(Class<T> clazz) {
return getApplicationContext().getBean(clazz);
}
/**
* 通过bean名称和类型获取指定的Bean实例
*
* @param name bean名称
* @param clazz bean的Class类型
* @param <T> 泛型类型
* @return 指定名称和类型的bean实例
*/
public static <T> T getBean(String name, Class<T> clazz) {
return getApplicationContext().getBean(name, clazz);
}
/**
* 设置ApplicationContext上下文对象
* 当Spring容器初始化时会自动调用此方法，将ApplicationContext注入到本工具类中
* 通过判断避免重复赋值，确保只设置一次ApplicationContext
*
* @param applicationContext Spring应用上下文对象
* @throws BeansException bean异常
*/
@Override
public void setApplicationContext(
@NotNull ApplicationContext applicationContext
) throws BeansException {
SpringBeanUtil.applicationContext = applicationContext;
}
}

80
src/main/java/com/mingliqiye/utils/clone/CloneUtil.java
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@ -1,80 +0,0 @@
/*
* Copyright 2025 mingliqiye
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* ProjectName mingli-utils
* ModuleName mingli-utils.main
* CurrentFile CloneUtil.java
* LastUpdate 2025-09-09 09:32:17
* UpdateUser MingLiPro
*/
package com.mingliqiye.utils.clone;
import com.mingliqiye.utils.json.JsonApi;
import com.mingliqiye.utils.json.JsonException;
import java.io.*;
public class CloneUtil {
/**
* 对指定的可序列化对象进行深拷贝
*
* @param object 需要进行深拷贝的对象，必须实现Serializable接口
* @param <T> 对象的类型，必须实现Serializable接口
* @return 深拷贝后的新对象，与原对象内容相同但内存地址不同
* @throws RuntimeException 当序列化或反序列化过程中发生IO异常或类未找到异常时抛出
*/
public static <T extends Serializable> T deepClone(T object) {
try {
ByteArrayOutputStream bao = new ByteArrayOutputStream();
ObjectOutputStream oos = new ObjectOutputStream(bao);
oos.writeObject(object);
ByteArrayInputStream bis = new ByteArrayInputStream(
bao.toByteArray()
);
ObjectInputStream ois = new ObjectInputStream(bis);
return (T) ois.readObject();
} catch (IOException | ClassNotFoundException e) {
throw new RuntimeException(e);
}
}
/**
* 深度克隆对象，使用JSON序列化和反序列化实现
*
* @param <T> 对象类型参数
* @param object 需要克隆的对象实例
* @param jsonApi JSON序列化接口实现
* @return 克隆后的对象实例
*/
public static <T> T deepJsonClone(T object, JsonApi jsonApi) {
if (object == null) {
return null;
}
if (jsonApi == null) {
throw new IllegalArgumentException("jsonApi cannot be null");
}
try {
return (T) jsonApi.convert(object, object.getClass());
} catch (Exception e) {
throw new JsonException(
"Failed to deep clone object using JSON",
e
);
}
}
}

39
src/main/java/com/mingliqiye/utils/iterator/Range.java
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@ -16,13 +16,16 @@
* ProjectName mingli-utils * ProjectName mingli-utils
* ModuleName mingli-utils.main * ModuleName mingli-utils.main
* CurrentFile Range.java * CurrentFile Range.java
* LastUpdate 2025-09-12 17:12:29 * LastUpdate 2025-09-14 20:23:26
* UpdateUser MingLiPro * UpdateUser MingLiPro
*/ */
package com.mingliqiye.utils.iterator; package com.mingliqiye.utils.iterator;
import kotlin.ranges.ClosedRange;
import kotlin.ranges.OpenEndRange;
import lombok.Getter; import lombok.Getter;
import lombok.val;
import org.jetbrains.annotations.NotNull; import org.jetbrains.annotations.NotNull;
import java.util.Iterator; import java.util.Iterator;
@ -35,7 +38,8 @@ import java.util.Iterator;
* @since 3.2.6 * @since 3.2.6
*/ */
@Getter @Getter
public class Range implements Iterable<Integer> { public class Range
implements Iterable<Integer>, ClosedRange<Integer>, OpenEndRange<Integer> {
private final int start; private final int start;
private final int end; private final int end;
@ -183,4 +187,35 @@ public class Range implements Iterable<Integer> {
} }
}; };
} }
@Override
public boolean isEmpty() {
return current < end;
}
@Override
public @NotNull Integer getEndInclusive() {
val va = end - step;
return Math.max(va, 0);
}
@Override
public boolean contains(@NotNull Integer integer) {
if (step == 0) return false;
if (step > 0) {
if (integer < start || integer > end) return false;
} else {
if (integer > start || integer < end) return false;
}
return (integer - start) % step == 0;
}
@Override
public @NotNull Integer getEndExclusive() {
return end;
}
@Override
public @NotNull Integer getStart() {
return start;
}
} }

7
src/main/java/com/mingliqiye/utils/stream/SuperStream.java
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@ -16,7 +16,7 @@
* ProjectName mingli-utils * ProjectName mingli-utils
* ModuleName mingli-utils.main * ModuleName mingli-utils.main
* CurrentFile SuperStream.java * CurrentFile SuperStream.java
* LastUpdate 2025-09-09 08:37:33 * LastUpdate 2025-09-14 20:16:59
* UpdateUser MingLiPro * UpdateUser MingLiPro
*/ */
@ -25,12 +25,13 @@ package com.mingliqiye.utils.stream;
import com.mingliqiye.utils.collection.Lists; import com.mingliqiye.utils.collection.Lists;
import com.mingliqiye.utils.collection.Maps; import com.mingliqiye.utils.collection.Maps;
import com.mingliqiye.utils.stream.interfaces.Getable; import com.mingliqiye.utils.stream.interfaces.Getable;
import lombok.val;
import org.jetbrains.annotations.NotNull;
import java.util.*; import java.util.*;
import java.util.concurrent.ConcurrentMap; import java.util.concurrent.ConcurrentMap;
import java.util.function.*; import java.util.function.*;
import java.util.stream.*; import java.util.stream.*;
import lombok.val;
import org.jetbrains.annotations.NotNull;
/** /**
* 自定义的 SuperStream 实现类，用于对集合进行流式操作。 * 自定义的 SuperStream 实现类，用于对集合进行流式操作。

271
src/main/java/com/mingliqiye/utils/string/StringUtil.java
View File

@ -1,271 +0,0 @@
/*
* Copyright 2025 mingliqiye
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* ProjectName mingli-utils
* ModuleName mingli-utils.main
* CurrentFile StringUtil.java
* LastUpdate 2025-09-09 08:37:33
* UpdateUser MingLiPro
*/
package com.mingliqiye.utils.string;
import com.mingliqiye.utils.collection.Lists;
import com.mingliqiye.utils.functions.P1RFunction;
import java.text.MessageFormat;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
/**
* 字符串工具类，提供常用的字符串处理方法
*/
public class StringUtil {
/**
* 将对象转换为字符串表示形式
*
* @param obj 需要转换的对象，可以为null
* @return 如果对象为null则返回空字符串，否则返回对象的字符串表示
*/
public static String toString(Object obj) {
// 如果对象为null，返回空字符串；否则调用对象的toString方法
return obj == null ? "" : obj.toString();
}
/**
* 格式化字符串，将格式字符串中的占位符{}替换为对应的参数值<br>
* 示例：输出 {} StringUtil.format("{},{},{}", "666", "{}", "777") - "666,{},777"<br>
* 示例 StringUtil.format("{},{},{},{}", "666", "{}", "777") - "666,{},777,"<br>
* 没有实际{} 会替换为 "" 空字符串
*
* @param format 格式字符串，使用{}作为占位符，如果为null则返回null
* @param args 用于替换占位符的参数数组
* @return 格式化后的字符串
*/
public static String format(String format, Object... args) {
if (format == null) {
return null;
}
StringBuilder sb = new StringBuilder();
int placeholderCount = 0;
int lastIndex = 0;
int len = format.length();
for (int i = 0; i < len - 1; i++) {
if (format.charAt(i) == '{' && format.charAt(i + 1) == '}') {
// 添加前面的部分
sb.append(format, lastIndex, i);
// 替换为 MessageFormat 占位符 {index}
sb.append('{').append(placeholderCount).append('}');
placeholderCount++;
i++; // 跳过 '}'
lastIndex = i + 1;
}
}
// 添加剩余部分
sb.append(format.substring(lastIndex));
// 构造实际参数数组
Object[] actualArgs;
if (args.length < placeholderCount) {
actualArgs = new String[placeholderCount];
System.arraycopy(args, 0, actualArgs, 0, args.length);
for (int i = args.length; i < placeholderCount; i++) {
actualArgs[i] = "";
}
} else {
actualArgs = args;
}
// 如果没有占位符，直接返回格式化后的字符串
if (placeholderCount == 0) {
return sb.toString();
}
try {
return MessageFormat.format(
sb.toString(),
(Object[]) Lists.toStringList(actualArgs)
);
} catch (IllegalArgumentException e) {
// 返回原始格式化字符串或抛出自定义异常，视业务需求而定
return sb.toString();
}
}
/**
* 判断字符串是否为空
*
* @param str 待检查的字符串
* @return 如果字符串为null或空字符串则返回true，否则返回false
*/
public static boolean isEmpty(String str) {
return str == null || str.isEmpty();
}
/**
* 使用指定的分隔符将多个对象连接成一个字符串
*
* @param spec 用作分隔符的字符串
* @param objects 要连接的对象数组
* @return 使用指定分隔符连接后的字符串
*/
public static String joinOf(String spec, String... objects) {
return join(spec, Arrays.asList(objects));
}
/**
* 将字符串按照指定分隔符分割成字符串列表，并移除列表开头的空字符串元素
*
* @param str 待分割的字符串
* @param separator 用作分割符的字符串
* @return 分割后的字符串列表，不包含开头的空字符串元素
*/
public static List<String> split(String str, String separator) {
List<String> data = new ArrayList<>(
Arrays.asList(str.split(separator))
);
// 移除列表开头的所有空字符串元素
while (!data.isEmpty() && data.get(0).isEmpty()) {
data.remove(0);
}
return data;
}
/**
* 将列表中的元素按照指定分隔符连接成字符串
*
* @param <P> 列表元素的类型
* @param separator 分隔符，用于连接各个元素
* @param list 待连接的元素列表
* @param fun 转换函数，用于将列表元素转换为字符串，如果为null则使用toString()方法
* @return 连接后的字符串，如果列表为空或null则返回空字符串
*/
public static <P> String join(
String separator,
List<P> list,
P1RFunction<P, String> fun
) {
// 处理空列表情况
if (list == null || list.isEmpty()) {
return "";
}
// 构建结果字符串
StringBuilder sb = StringUtil.stringBuilder(list.size() * 16);
for (int i = 0; i < list.size(); i++) {
P item = list.get(i);
// 将元素转换为字符串
String itemStr = fun == null
? (item == null ? "null" : item.toString())
: fun.call(item);
// 第一个元素直接添加，其他元素先添加分隔符再添加元素
if (i == 0) {
sb.append(itemStr);
} else {
sb.append(separator).append(itemStr);
}
}
return sb.toString();
}
/**
* 使用指定分隔符连接字符串列表
*
* @param separator 分隔符，不能为null
* @param list 字符串列表，不能为null
* @return 连接后的字符串
* @throws IllegalArgumentException 当separator或list为null时抛出
*/
public static String join(String separator, List<String> list) {
if (separator == null) {
throw new IllegalArgumentException("Separator cannot be null");
}
if (list == null) {
throw new IllegalArgumentException("List cannot be null");
}
return join(separator, list, null);
}
/**
* 创建一个新的StringBuilder实例
*
* @param i 指定StringBuilder的初始容量
* @return 返回一个新的StringBuilder对象，其初始容量为指定的大小
*/
public static StringBuilder stringBuilder(int i) {
return new StringBuilder(i);
}
/**
* 将字符串转换为Unicode编码格式
*
* @param str 待转换的字符串
* @return 转换后的Unicode编码字符串，每个字符都以\\u开头的十六进制形式表示
*/
public static String stringToUnicode(String str) {
StringBuilder sb = new StringBuilder();
char[] c = str.toCharArray();
for (char value : c) {
sb.append(stringToUnicode(value));
}
return sb.toString();
}
/**
* 将字符转换为Unicode转义字符串
*
* @param c 需要转换的字符
* @return 返回格式为"\\uXXXX"的Unicode转义字符串，其中XXXX为字符的十六进制Unicode码点
*/
public static String stringToUnicode(char c) {
return "\\u" + String.format("%04x", (int) c);
}
/**
* 将整数转换为Unicode字符串表示形式
*
* @param c 要转换的整数，表示Unicode码点
* @return 返回格式为"\\uXXXX"的Unicode字符串，其中XXXX是参数c的十六进制表示
*/
public static String stringToUnicode(Integer c) {
return "\\u" + Integer.toHexString(c);
}
/**
* 将Unicode编码字符串转换为普通字符串
* 该函数接收一个包含Unicode转义序列的字符串，将其解析并转换为对应的字符序列
*
* @param unicode 包含Unicode转义序列的字符串，格式如"\\uXXXX"，其中XXXX为十六进制数
* @return 转换后的普通字符串，包含对应的Unicode字符
*/
public static String unicodeToString(String unicode) {
StringBuilder sb = new StringBuilder();
// 按照Unicode转义符分割字符串，得到包含十六进制编码的数组
String[] hex = unicode.split("\\\\u");
// 从索引1开始遍历，因为分割后的第一个元素是转义符前面的内容（可能为空）
for (int i = 1; i < hex.length; i++) {
// 将十六进制字符串转换为整数，作为字符的Unicode码点
int index = Integer.parseInt(hex[i], 16);
// 将Unicode码点转换为对应字符并添加到结果中
sb.append((char) index);
}
return sb.toString();
}
}

4
src/main/kotlin/com/mingliqiye/utils/Main.kt
View File

@ -16,7 +16,7 @@
* ProjectName mingli-utils * ProjectName mingli-utils
* ModuleName mingli-utils.main * ModuleName mingli-utils.main
* CurrentFile Main.kt * CurrentFile Main.kt
* LastUpdate 2025-09-12 17:11:48 * LastUpdate 2025-09-14 20:08:44
* UpdateUser MingLiPro * UpdateUser MingLiPro
*/ */
@ -29,4 +29,6 @@ import com.mingliqiye.utils.springboot.autoconfigure.AutoConfiguration
fun main() { fun main() {
AutoConfiguration.printBanner() AutoConfiguration.printBanner()
0..10
} }

17
src/main/kotlin/com/mingliqiye/utils/aes/AesUtils.kt
View File

@ -16,7 +16,7 @@
* ProjectName mingli-utils * ProjectName mingli-utils
* ModuleName mingli-utils.main * ModuleName mingli-utils.main
* CurrentFile AesUtils.kt * CurrentFile AesUtils.kt
* LastUpdate 2025-09-14 18:19:29 * LastUpdate 2025-09-14 18:43:04
* UpdateUser MingLiPro * UpdateUser MingLiPro
*/ */
@ -25,7 +25,8 @@
package com.mingliqiye.utils.aes package com.mingliqiye.utils.aes
import com.mingliqiye.utils.base64.Base64Utils import com.mingliqiye.utils.base64.decode
import com.mingliqiye.utils.base64.encode
import java.nio.charset.StandardCharsets import java.nio.charset.StandardCharsets
import java.security.GeneralSecurityException import java.security.GeneralSecurityException
import java.security.MessageDigest import java.security.MessageDigest
@ -71,8 +72,8 @@ fun encrypt(sSrc: String, sKey: String?): String? {
val encrypted = cipher.doFinal( val encrypted = cipher.doFinal(
sSrc.toByteArray(StandardCharsets.UTF_8) sSrc.toByteArray(StandardCharsets.UTF_8)
) )
return Base64Utils.encode( return encode(
"${Base64Utils.encode(iv)}:${Base64Utils.encode(encrypted)}".toByteArray() "${encode(iv)}:${encode(encrypted)}".toByteArray()
) )
} }
@ -85,13 +86,13 @@ fun encrypt(sSrc: String, sKey: String?): String? {
fun decrypt(sSrc: String, sKey: String): String? { fun decrypt(sSrc: String, sKey: String): String? {
try { try {
// 分割IV和加密数据 // 分割IV和加密数据
val sSrcs = String(Base64Utils.decode(sSrc)) val sSrcs = String(decode(sSrc))
val parts: Array<String?> = sSrcs.split(":".toRegex(), limit = 2).toTypedArray() val parts: Array<String?> = sSrcs.split(":".toRegex(), limit = 2).toTypedArray()
if (parts.size != 2) { if (parts.size != 2) {
return null return null
} }
val iv = Base64Utils.decode(parts[0]) val iv = decode(parts[0]!!)
val encryptedData = Base64Utils.decode(parts[1]) val encryptedData = decode(parts[1]!!)
if (iv.size != GCM_IV_LENGTH) { if (iv.size != GCM_IV_LENGTH) {
return null return null
} }
@ -114,7 +115,7 @@ fun decrypt(sSrc: String, sKey: String): String? {
* @return SecretKeySpec对象 * @return SecretKeySpec对象
* @throws Exception 可能抛出的异常 * @throws Exception 可能抛出的异常
*/ */
@Throws(GeneralSecurityException::class) @Throws(Exception::class)
private fun createSecretKey(sKey: String): SecretKeySpec { private fun createSecretKey(sKey: String): SecretKeySpec {
val key = sKey.toByteArray(StandardCharsets.UTF_8) val key = sKey.toByteArray(StandardCharsets.UTF_8)
val md = MessageDigest.getInstance("MD5") val md = MessageDigest.getInstance("MD5")

160
src/main/kotlin/com/mingliqiye/utils/base64/Base64Utils.kt Normal file
View File

@ -0,0 +1,160 @@
/*
* Copyright 2025 mingliqiye
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* ProjectName mingli-utils
* ModuleName mingli-utils.main
* CurrentFile Base64Utils.kt
* LastUpdate 2025-09-14 18:44:22
* UpdateUser MingLiPro
*/
@file:JvmName("Base64Utils")
package com.mingliqiye.utils.base64
import java.io.File
import java.io.IOException
import java.nio.file.Path
import java.util.*
val BASE_64_ENCODER: Base64.Encoder = Base64.getEncoder()
val BASE_64_DECODER: Base64.Decoder = Base64.getDecoder()
/**
* 将字节数组编码为Base64字符串
*
* @param bytes 需要编码的字节数组
* @return 编码后的Base64字符串
*/
fun encode(bytes: ByteArray): String {
return BASE_64_ENCODER.encodeToString(bytes)
}
/**
* 将Base64字符串解码为字节数组
*
* @param string 需要解码的Base64字符串
* @return 解码后的字节数组
*/
fun decode(string: String): ByteArray {
return BASE_64_DECODER.decode(string)
}
/**
* 将文件内容编码为Base64字符串
*
* @param file 需要编码的文件
* @return 文件内容的Base64编码字符串
* @throws IOException 当文件读取失败时抛出
*/
@Throws(IOException::class)
fun encode(file: File): String {
return encode(file.readBytes())
}
/**
* 将Base64字符串解码并写入文件
*
* @param file 目标文件
* @param string 需要解码的Base64字符串
* @throws IOException 当文件写入失败时抛出
*/
@Throws(IOException::class)
fun decode(file: File, string: String) {
file.writeBytes(decode(string))
}
/**
* 安全地将文件内容编码为Base64字符串，出现异常时返回null
*
* @param file 需要编码的文件
* @return 文件内容的Base64编码字符串，失败时返回null
*/
fun encodeSafe(file: File): String? {
return try {
encode(file)
} catch (_: Exception) {
null
}
}
/**
* 安全地将Base64字符串解码并写入文件，返回操作是否成功
*
* @param file 目标文件
* @param string 需要解码的Base64字符串
* @return 操作成功返回true，失败返回false
*/
fun decodeSafe(file: File, string: String): Boolean {
return try {
decode(file, string)
true
} catch (_: Exception) {
false
}
}
/**
* 将路径对应的文件内容编码为Base64字符串
*
* @param path 需要编码的文件路径
* @return 文件内容的Base64编码字符串
* @throws IOException 当文件读取失败时抛出
*/
@Throws(IOException::class)
fun encode(path: Path): String {
return encode(path.toFile().readBytes())
}
/**
* 将Base64字符串解码并写入路径指定的文件
*
* @param path 目标文件路径
* @param string 需要解码的Base64字符串
* @throws IOException 当文件写入失败时抛出
*/
@Throws(IOException::class)
fun decode(path: Path, string: String) {
path.toFile().writeBytes(decode(string))
}
/**
* 安全地将路径对应的文件内容编码为Base64字符串，出现异常时返回null
*
* @param path 需要编码的文件路径
* @return 文件内容的Base64编码字符串，失败时返回null
*/
fun encodeSafe(path: Path): String? {
return try {
encode(path)
} catch (_: Exception) {
null
}
}
/**
* 安全地将Base64字符串解码并写入路径指定的文件，返回操作是否成功
*
* @param path 目标文件路径
* @param string 需要解码的Base64字符串
* @return 操作成功返回true，失败返回false
*/
fun decodeSafe(path: Path, string: String): Boolean {
return try {
decode(path, string)
true
} catch (_: Exception) {
false
}
}

96
src/main/kotlin/com/mingliqiye/utils/bean/annotation/springboot/SpringBeanUtils.kt Normal file
View File

@ -0,0 +1,96 @@
/*
* Copyright 2025 mingliqiye
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* ProjectName mingli-utils
* ModuleName mingli-utils.main
* CurrentFile SpringBeanUtils.kt
* LastUpdate 2025-09-14 20:01:26
* UpdateUser MingLiPro
*/
package com.mingliqiye.utils.bean.annotation.springboot
import org.springframework.beans.BeansException
import org.springframework.context.ApplicationContext
import org.springframework.context.ApplicationContextAware
import org.springframework.stereotype.Component
/**
* Spring Bean工具类，用于获取Spring容器中的Bean实例
* 实现ApplicationContextAware接口以获取Spring的应用上下文
*/
@Component
class SpringBeanUtils : ApplicationContextAware {
companion object {
@JvmStatic
private var applicationContext: ApplicationContext? = null
/**
* 根据Bean名称获取Bean实例
*
* @param name Bean的名称
* @return 指定名称的Bean实例
* @throws BeansException 当获取Bean失败时抛出
* @throws ClassCastException 当类型转换失败时抛出
*/
@JvmStatic
@Throws(BeansException::class, ClassCastException::class)
@Suppress("UNCHECKED_CAST")
fun <T> getBean(name: String): T {
return applicationContext!!.getBean(name) as T
}
/**
* 根据Bean类型获取Bean实例
*
* @param clazz Bean的类型
* @return 指定类型的Bean实例
* @throws BeansException 当获取Bean失败时抛出
*/
@JvmStatic
@Throws(BeansException::class)
fun <T> getBean(clazz: Class<T>): T {
return applicationContext!!.getBean(clazz)
}
/**
* 根据Bean名称和类型获取Bean实例
*
* @param name Bean的名称
* @param clazz Bean的类型
* @return 指定名称和类型的Bean实例
* @throws BeansException 当获取Bean失败时抛出
*/
@JvmStatic
@Throws(BeansException::class)
fun <T> getBean(name: String, clazz: Class<T>): T {
return applicationContext!!.getBean<T>(name, clazz)
}
}
/**
* 设置Spring的应用上下文
*
* @param applicationContext Spring的应用上下文
* @throws BeansException 当设置应用上下文失败时抛出
*/
@Throws(BeansException::class)
override fun setApplicationContext(applicationContext: ApplicationContext) {
SpringBeanUtils.applicationContext = applicationContext
}
}

14
src/main/kotlin/com/mingliqiye/utils/bytes/ByteUtil.kt → src/main/kotlin/com/mingliqiye/utils/bytes/ByteUtils.kt
View File

@ -15,11 +15,11 @@
* *
* ProjectName mingli-utils * ProjectName mingli-utils
* ModuleName mingli-utils.main * ModuleName mingli-utils.main
* CurrentFile ByteUtil.kt * CurrentFile ByteUtils.kt
* LastUpdate 2025-09-14 18:19:29 * LastUpdate 2025-09-14 19:28:38
* UpdateUser MingLiPro * UpdateUser MingLiPro
*/ */
@file:JvmName("ByteUtil") @file:JvmName("ByteUtils")
package com.mingliqiye.utils.bytes package com.mingliqiye.utils.bytes
@ -39,13 +39,11 @@ const val ESC_RESERVED: Byte = 0x06
/** /**
* 将字节数组转换为十六进制字符串列表 * 将字节数组转换为十六进制字符串列表
*
* @param bytes 输入的字节数组
* @return 包含每个字节对应十六进制字符串的列表 * @return 包含每个字节对应十六进制字符串的列表
*/ */
fun getByteArrayString(bytes: ByteArray): MutableList<String> { fun ByteArray.getByteArrayString(): MutableList<String> {
return SuperStream.of(Lists.toList(bytes)) return Lists.toList(this)!!.stream()
.map { a -> String.format("%02x", a!!.toInt() and 0xFF) } .map { a -> String.format("0X%02X", a!!.toInt() and 0xFF) }
.collect(SuperStream.Collectors.toList()) .collect(SuperStream.Collectors.toList())
} }

63
src/main/kotlin/com/mingliqiye/utils/clone/CloneUtil.kt Normal file
View File

@ -0,0 +1,63 @@
/*
* Copyright 2025 mingliqiye
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* ProjectName mingli-utils
* ModuleName mingli-utils.main
* CurrentFile CloneUtil.kt
* LastUpdate 2025-09-14 19:53:41
* UpdateUser MingLiPro
*/
@file:JvmName("CloneUtils")
package com.mingliqiye.utils.clone
import com.mingliqiye.utils.json.JsonApi
import com.mingliqiye.utils.json.JsonException
import java.io.*
inline fun <reified T> Serializable.deepClone(): T {
return deepClone(this) as T
}
inline fun <reified T> T.deepJsonClone(jsonApi: JsonApi): T {
try {
return jsonApi.convert(this, this!!.javaClass) as T
} catch (e: Exception) {
throw JsonException(
"Failed to deep clone object using JSON",
e
)
}
}
@Suppress("UNCHECKED_CAST")
fun <T : Serializable?> deepClone(obj: T): T {
try {
val bao = ByteArrayOutputStream()
val oos = ObjectOutputStream(bao)
oos.writeObject(obj)
val bis = ByteArrayInputStream(
bao.toByteArray()
)
val ois = ObjectInputStream(bis)
return ois.readObject() as T
} catch (e: IOException) {
throw RuntimeException(e)
} catch (e: ClassNotFoundException) {
throw RuntimeException(e)
}
}

174
src/main/kotlin/com/mingliqiye/utils/string/StringUtils.kt Normal file
View File

@ -0,0 +1,174 @@
/*
* Copyright 2025 mingliqiye
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* ProjectName mingli-utils
* ModuleName mingli-utils.main
* CurrentFile StringUtils.kt
* LastUpdate 2025-09-14 21:46:14
* UpdateUser MingLiPro
*/
@file:JvmName("StringUtils")
package com.mingliqiye.utils.string
import com.mingliqiye.utils.logger.mingLiLoggerFactory
val log = mingLiLoggerFactory.getLogger("StringUtils")
/**
* 判断`字符串`是否为空
*
* @param str 待判断的字符串
* @return `true`: 空 `false`: 非空
*/
fun isEmpty(str: String?): Boolean {
return str?.isEmpty() != null
}
/**
* 格式化字符串，将字符串中的占位符{}替换为对应的参数值
*
* `Kotlin`语言给我老老实实用`$`啊
*
* @param str 需要格式化的字符串，包含{}占位符 \\{} 代表一个{}
* @param args 要替换占位符的参数列表
* @return 格式化后的字符串
*/
fun format(str: String, vararg args: Any?): String {
var argIndex = 0
val result = StringBuilder()
var lastIndex = 0
// 匹配所有非转义的 {}
val pattern = Regex("(?<!\\\\)\\{}")
val matches = pattern.findAll(str)
for (match in matches) {
// 添加匹配前的文本
result.append(str, lastIndex, match.range.first)
// 替换占位符
if (argIndex < args.size) {
result.append(args[argIndex].toString())
argIndex++
}
lastIndex = match.range.last + 1
}
// 添加剩余文本
if (lastIndex < str.length) {
result.append(str, lastIndex, str.length)
}
// 处理转义的 \\{}（替换为 {}）
val finalResult = result.toString().replace("\\{}", "{}")
// 检查参数数量
val placeholderCount = matches.count()
if (argIndex != args.size) {
log.warn("Placeholder count: $placeholderCount, Argument count: ${args.size}")
}
return finalResult
}
/**
* 将字符串转换为Unicode编码格式
*
* @param str 待转换的字符串
* @return 转换后的Unicode编码字符串，每个字符都以\\u开头的十六进制形式表示
*/
fun stringToUnicode(str: String): String {
val sb = java.lang.StringBuilder()
val c = str.toCharArray()
for (value in c) {
sb.append(stringToUnicode(value))
}
return sb.toString()
}
/**
* 将字符转换为Unicode转义字符串
*
* @param c 需要转换的字符
* @return 返回格式为"\\uXXXX"的Unicode转义字符串，其中XXXX为字符的十六进制Unicode码点
*/
fun stringToUnicode(c: Char): String {
return "\\u" + String.format("%04x", c.code)
}
/**
* 将整数转换为Unicode字符串表示形式
*
* @param c 要转换的整数，表示Unicode码点
* @return 返回格式为"\\uXXXX"的Unicode字符串，其中XXXX是参数c的十六进制表示
*/
fun stringToUnicode(c: Int): String {
return "\\u" + Integer.toHexString(c)
}
/**
* 将Unicode编码字符串转换为普通字符串
*
* 该函数接收一个包含Unicode转义序列的字符串，将其解析并转换为对应的字符序列
*
* @param unicode 包含Unicode转义序列的字符串，格式如"\\uXXXX"，其中XXXX为十六进制数
* @return 转换后的普通字符串，包含对应的Unicode字符
*/
fun unicodeToString(unicode: String): String {
val sb = java.lang.StringBuilder()
// 按照Unicode转义符分割字符串，得到包含十六进制编码的数组
val hex: Array<String?> = unicode.split("\\\\u".toRegex()).dropLastWhile { it.isEmpty() }.toTypedArray()
// 从索引1开始遍历，因为分割后的第一个元素是转义符前面的内容（可能为空）
for (i in 1..<hex.size) {
// 将十六进制字符串转换为整数，作为字符的Unicode码点
val index = hex[i]!!.toInt(16)
// 将Unicode码点转换为对应字符并添加到结果中
sb.append(index.toChar())
}
return sb.toString()
}
/**
* 创建一个指定初始容量的StringBuilder实例
*
* @param i StringBuilder的初始容量
* @return 指定初始容量的StringBuilder实例
*/
fun stringBuilder(i: Int): java.lang.StringBuilder {
return StringBuilder(i)
}
/**
* 根据当前字符串创建一个StringBuilder实例
*
* @return 包含当前字符串内容的StringBuilder实例
*/
fun String.stringBuilder(): java.lang.StringBuilder {
return StringBuilder(this)
}
fun split(str: String, separator: String): List<String> {
return str.split(separator)
}
fun List<String>.join(separator: String): String {
return this.joinToString(separator)
}

22
src/main/kotlin/com/mingliqiye/utils/uuid/UUID.kt
View File

@ -16,10 +16,9 @@
* ProjectName mingli-utils * ProjectName mingli-utils
* ModuleName mingli-utils.main * ModuleName mingli-utils.main
* CurrentFile UUID.kt * CurrentFile UUID.kt
* LastUpdate 2025-09-12 16:57:52 * LastUpdate 2025-09-14 19:55:47
* UpdateUser MingLiPro * UpdateUser MingLiPro
*/ */
package com.mingliqiye.utils.uuid package com.mingliqiye.utils.uuid
import com.github.f4b6a3.uuid.UuidCreator import com.github.f4b6a3.uuid.UuidCreator
@ -84,6 +83,16 @@ class UUID : Serializable {
return UUID(uuid) return UUID(uuid)
} }
/**
* 从Java的UUID
* @param uuid 字符串
* @return UUID
*/
@JvmStatic
fun of(uuid: JUUID): UUID {
return UUID(uuid)
}
/** /**
* 从字节码转换到UUID * 从字节码转换到UUID
* @param array 16字节 * @param array 16字节
@ -93,6 +102,10 @@ class UUID : Serializable {
fun of(array: ByteArray): UUID { fun of(array: ByteArray): UUID {
return UUID(array) return UUID(array)
} }
fun JUUID.toMlUUID(): UUID {
return of(this)
}
} }
internal constructor(msb: Long, lsb: Long) { internal constructor(msb: Long, lsb: Long) {
@ -108,10 +121,11 @@ class UUID : Serializable {
this.uuid = JUUID(bb.getLong(), bb.getLong()) this.uuid = JUUID(bb.getLong(), bb.getLong())
} }
internal constructor(uuid: String) { constructor(uuid: String) {
this.uuid = JUUID.fromString(uuid) this.uuid = JUUID.fromString(uuid)
} }
/** /**
* 获取对应的字节码 * 获取对应的字节码
* @return 字节码 * @return 字节码
@ -242,3 +256,5 @@ class UUID : Serializable {
return uuid.hashCode() return uuid.hashCode()
} }
} }