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https://github.com/duanluan/zutil

追求更快更全的 Java 工具类
https://github.com/duanluan/zutil

datetime java pinyin regex util

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追求更快更全的 Java 工具类

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# ZUtil

[![](https://img.shields.io/hexpm/l/plug?style=for-the-badge&logo=apache)](./LICENSE)
[![](https://img.shields.io/maven-central/v/top.csaf/ZUtil?style=for-the-badge&logo=apachemaven)](https://central.sonatype.com/artifact/top.csaf/zutil-all)
[![](https://img.shields.io/badge/JDK-8%2B-orange?style=for-the-badge&logo=openjdk)]()
[![](https://img.shields.io/github/stars/duanluan/ZUtil?style=for-the-badge&logo=github)](https://github.com/duanluan/ZUtil)
[![GitHub commits](https://img.shields.io/github/commit-activity/m/duanluan/ZUtil?style=for-the-badge&label=Commits&logo=github)](https://github.com/duanluan/ZUtil/commits)
[![](https://img.shields.io/badge/QQ%20group-273743748-e76970.svg?style=for-the-badge&logo=tencentqq)](https://jq.qq.com/?_wv=1027&k=pYzF0R18)

追求更快更全的 Java 工具类。

工具类使用请查看文档、[javadoc](https://apidoc.gitee.com/duanluan/ZUtil)。

和 Hutool 的性能对比测试请查看 [jmh.comparison](zutil-all/src/test/java/top/csaf/jmh/comparison)。

## 特性

* 更快:使用 [JMH](https://openjdk.org/projects/code-tools/jmh/) 进行[性能测试](https://github.com/duanluan/ZUtil/tree/main/zutil-all/src/test/java/top/csaf/jmh)。
* 更全:[时间工具类](https://github.com/duanluan/ZUtil/blob/main/zutil-date/src/main/java/top/csaf/date/DateUtil.java) 130+ 个方法,2700+ 行;[正则工具类](https://github.com/duanluan/ZUtil/blob/main/zutil-regex/src/main/java/top/csaf/regex/RegExUtil.java) 80+ 个方法,1100+ 行。
* 更安全:使用 [JUnit](https://junit.org/junit5) 进行套件测试,[JaCoCo](https://www.jacoco.org/jacoco/index.html) 进行[代码覆盖率测试](https://github.com/duanluan/ZUtil/tree/main/zutil-all/src/test/java/top/csaf/junit),保证每行代码都符合预期,更少出 BUG。

## Stargazers over time

[![Stargazers over time](https://starchart.cc/duanluan/ZUtil.svg)](https://starchart.cc/duanluan/ZUtil)

## 说明

### 安装

#### Maven

```xml

top.csaf
ZUtil
2.0.0-alpha13

```

#### Gradle

```groovy
// groovy
implementation 'top.csaf:ZUtil:2.0.0-alpha13'
// kotlin
implementation("top.csaf:ZUtil:2.0.0-alpha13")
```

### 安装注意

工具包中已使用 slf4j-api 和 slf4j-simple,和 spring-boot-starter-web 同时使用时会冲突,需要手动排除。

#### Maven

```xml

top.csaf
ZUtil
2.0.0-alpha13


org.slf4j
slf4j-api


org.slf4j
slf4j-simple

org.springframework.boot
spring-boot-starter-web


org.springframework.boot
spring-boot-starter-logging

```

#### Gradle

参考:[Excluding transitive dependencies - Gradle User Manual](https://docs.gradle.org/current/userguide/dependency_downgrade_and_exclude.html#sec:excluding-transitive-deps)

```groovy
// groovy
dependencies {
// 方式一:ZUtil 排除 slf4j
implementation('top.csaf:ZUtil:2.0.0-alpha13') {
exclude group: 'org.slf4j', module: 'slf4j-api'
exclude group: 'org.slf4j', module: 'slf4j-simple'
}
// 方式二:spring-boot-starter-web 排除 Logback
implementation('org.springframework.boot:spring-boot-starter-web') {
exclude group: 'org.springframework.boot', module: 'spring-boot-starter-logging'
}
}

// kotlin
dependencies {
// 方式一:ZUtil 排除 slf4j
implementation("top.csaf:ZUtil:2.0.0-alpha13") {
exclude(group = "org.slf4j", module = "slf4j-api")
exclude(group = "org.slf4j", module = "slf4j-simple")
}
// 方式二:spring-boot-starter-web 排除 Logback
implementation("org.springframework.boot:spring-boot-starter-web") {
exclude(group = "org.springframework.boot", module = "spring-boot-starter-logging")
}
}
```

### JMH 性能对比测试结果解释

```java
// Benchmark Mode Cnt Score Error Units
// ToPinyinTest.toPinyinByHutool thrpt 5 2.880 ± 0.160 ops/us
// ToPinyinTest.toPinyinByZUtil thrpt 5 4.577 ± 0.133 ops/us
// ToPinyinTest.toPinyinByHutool avgt 5 0.356 ± 0.012 us/op
// ToPinyinTest.toPinyinByZUtil avgt 5 0.216 ± 0.006 us/op
// ToPinyinTest.toPinyinByHutool sample 175058 0.435 ± 0.008 us/op
// ToPinyinTest.toPinyinByHutool:toPinyinByHutool·p0.00 sample 0.300 us/op
// ToPinyinTest.toPinyinByHutool:toPinyinByHutool·p0.50 sample 0.400 us/op
// ToPinyinTest.toPinyinByHutool:toPinyinByHutool·p0.90 sample 0.500 us/op
// ToPinyinTest.toPinyinByHutool:toPinyinByHutool·p0.95 sample 0.500 us/op
// ToPinyinTest.toPinyinByHutool:toPinyinByHutool·p0.99 sample 0.900 us/op
// ToPinyinTest.toPinyinByHutool:toPinyinByHutool·p0.999 sample 1.600 us/op
// ToPinyinTest.toPinyinByHutool:toPinyinByHutool·p0.9999 sample 40.900 us/op
// ToPinyinTest.toPinyinByHutool:toPinyinByHutool·p1.00 sample 277.504 us/op
// ToPinyinTest.toPinyinByZUtil sample 162384 0.393 ± 0.008 us/op
// ToPinyinTest.toPinyinByZUtil:toPinyinByZUtil·p0.00 sample 0.200 us/op
// ToPinyinTest.toPinyinByZUtil:toPinyinByZUtil·p0.50 sample 0.300 us/op
// ToPinyinTest.toPinyinByZUtil:toPinyinByZUtil·p0.90 sample 0.500 us/op
// ToPinyinTest.toPinyinByZUtil:toPinyinByZUtil·p0.95 sample 0.600 us/op
// ToPinyinTest.toPinyinByZUtil:toPinyinByZUtil·p0.99 sample 1.000 us/op
// ToPinyinTest.toPinyinByZUtil:toPinyinByZUtil·p0.999 sample 2.500 us/op
// ToPinyinTest.toPinyinByZUtil:toPinyinByZUtil·p0.9999 sample 45.425 us/op
// ToPinyinTest.toPinyinByZUtil:toPinyinByZUtil·p1.00 sample 170.496 us/op
// ToPinyinTest.toPinyinByHutool ss 5 30.880 ± 37.754 us/op
// ToPinyinTest.toPinyinByZUtil ss 5 23.060 ± 16.885 us/op
```

Mode 即为`org.openjdk.jmh.annotations.Mode`,分为:
* thrpt:**Throughput(吞吐量)**, ops/time,分数越大越好
* avgt:**Average time(平均时间)**, time/op,分数越小越好
* sample:**Sampling time(采样时间)**,分数越小越好
* ss:**Single shot invocation time(单次调用时间)**:分数越小越好

### 参与开发

1. **[Fork](https://github.com/duanluan/ZUtil/fork)** 并 **Clone** 项目到本地。
2. 开发内容:
* **新增类或方法**需提前[加群](https://jq.qq.com/?_wv=1027&k=pYzF0R18)沟通。
* **修复 BUG**(fix)、**优化性能**(perf)或**新增/更正测试**(test)。
3. 测试步骤:
* 使用`org.junit.jupiter.api.Assertions`进行**代码覆盖率测试**:
```java
……
import top.csaf.id.NanoIdUtil;
import static org.junit.jupiter.api.Assertions.*;

@Slf4j
@DisplayName("NanoId 工具类测试")
class NanoIdUtilTest {

@DisplayName("生成 NanoID")
@Test
void randomNanoId() {
/** {@link NanoIdUtil#randomNanoId(int, char[], java.util.Random) } */
assertThrows(NullPointerException.class, () -> NanoIdUtils.randomNanoId(0, (char[]) null, NanoIdUtils.DEFAULT_ID_GENERATOR));
assertThrows(NullPointerException.class, () -> NanoIdUtils.randomNanoId(0, new char[0], null));
assertThrows(IllegalArgumentException.class, () -> NanoIdUtils.randomNanoId(0, new char[0], NanoIdUtils.DEFAULT_ID_GENERATOR));
assertThrows(IllegalArgumentException.class, () -> NanoIdUtils.randomNanoId(1, new char[0], NanoIdUtils.DEFAULT_ID_GENERATOR));
assertThrows(IllegalArgumentException.class, () -> NanoIdUtils.randomNanoId(1, new char[256], NanoIdUtils.DEFAULT_ID_GENERATOR));
assertDoesNotThrow(() -> NanoIdUtils.randomNanoId(NanoIdUtils.DEFAULT_SIZE, NanoIdUtils.DEFAULT_ALPHABET, NanoIdUtils.DEFAULT_ID_GENERATOR));
}
}
```
* `mvn test -Dtest=要测试的类名`进行测试,测试后会在`target`下生成`jacoco.exec`。
* `mvn jacoco:report`生成代码覆盖率测试报告,在`target/site`目录下。
* 查看更新的类或方法,覆盖率在 **90%** 以上时提交。
* `lombok.NonNull`的参数校验可以忽略。
4. 提交时遵循 **[Angular 提交消息规范](https://github.com/angular/angular/blob/22b96b9/CONTRIBUTING.md#-commit-message-guidelines)**,提交后新建 **pull request** 即可。