init repo

.gitignore

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+HELP.md
+target/
+!.mvn/wrapper/maven-wrapper.jar
+!**/src/main/**/target/
+!**/src/test/**/target/
+
+### STS ###
+.apt_generated
+.classpath
+.factorypath
+.project
+.settings
+.springBeans
+.sts4-cache
+
+### IntelliJ IDEA ###
+.idea
+!.idea/icon.png
+*.iws
+*.iml
+*.ipr
+
+### NetBeans ###
+/nbproject/private/
+/nbbuild/
+/dist/
+/nbdist/
+/.nb-gradle/
+build/
+!**/src/main/**/build/
+!**/src/test/**/build/
+
+### VS Code ###
+.vscode/
+
+# Maven ignore
+.flattened-pom.xml
+
+### Temp ###
+*.log
+*.logs
+*.cache
+*.diff
+*.patch
+*.tmp

README.md

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+# CHANGELOG 生成器
+
+将提交信息转换成 CHANGELOG Markdown。
+
+## 快速开始
+
+- `BASIC_PATH`：项目基础路径
+- `PROJECT_NAME`：项目名称
+- `LAST_TAG_NAME`：上一个版本名称
+- `SHOW_MODULE_NAME`：是否显示模块名称
+
+## 示例
+
+```text
+feat(core): ServletUtils 新增 isMultipart、isForm、isStream 方法
+```
+
+转换如下：
+
+```text
+新特性：
+- 【core】ServletUtils 新增 isMultipart、isForm、isStream 方法 ([580aa00a](https://github.com/continew-org/continew-starter/commit/580aa00af920acb3f66fbd835378a802741d18d6))
+```

pom.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+
+    <groupId>top.charles7c</groupId>
+    <artifactId>changelog-generator</artifactId>
+    <version>1.0.0</version>
+
+    <properties>
+        <maven.compiler.source>17</maven.compiler.source>
+        <maven.compiler.target>17</maven.compiler.target>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+    </properties>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.eclipse.jgit</groupId>
+            <artifactId>org.eclipse.jgit</artifactId>
+            <version>7.2.1.202505142326-r</version>
+        </dependency>
+
+        <dependency>
+            <groupId>cn.hutool</groupId>
+            <artifactId>hutool-all</artifactId>
+            <version>5.8.40</version>
+        </dependency>
+    </dependencies>
+</project>

src/main/java/top/charles7c/app/App.java

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+package top.charles7c.app;
+
+import cn.hutool.core.util.StrUtil;
+import org.eclipse.jgit.api.Git;
+import org.eclipse.jgit.api.errors.GitAPIException;
+import org.eclipse.jgit.lib.Repository;
+import org.eclipse.jgit.revwalk.RevCommit;
+import org.eclipse.jgit.storage.file.FileRepositoryBuilder;
+
+import java.io.File;
+import java.io.IOException;
+import java.util.*;
+
+/**
+ * Git Changelog 生成器
+ *
+ * @author Charles7c
+ */
+public class App {
+
+    private static final String BASIC_PATH = "D:\\Projects\\charles7c\\";
+
+    private static final String PROJECT_NAME = "continew-starter";
+    //    private static final String PROJECT_NAME = "continew-admin";
+//    private static final String PROJECT_NAME = "continew-admin-ui";
+    //
+    private static final String LAST_TAG_NAME = "release: v2.15.0";
+//    private static final String LAST_TAG_NAME = "release: v4.1.0";
+
+    private static final boolean SHOW_MODULE_NAME = true;
+
+    public static void main(String[] args) throws IOException, GitAPIException {
+        FileRepositoryBuilder builder = new FileRepositoryBuilder();
+        Repository repository = builder.setGitDir(new File(BASIC_PATH + PROJECT_NAME + "\\.git"))
+                .readEnvironment()
+                .findGitDir()
+                .build();
+
+        Map<String, List<RevCommit>> commitListMap = new LinkedHashMap<>();
+        // 根据类型汇总提交记录
+        try (Git git = new Git(repository)) {
+            // 倒序遍历所有提交记录
+            Iterable<RevCommit> logs = git.log().call();
+            for (RevCommit commit : logs) {
+                // 直到上次发布标签，停止遍历
+                if (LAST_TAG_NAME.equals(commit.getShortMessage())) {
+                    break;
+                }
+                logChangeCommit(commit, commitListMap);
+            }
+        } finally {
+            repository.close();
+        }
+
+        // 转换为 CHANGELOG Markdown
+        Set<Map.Entry<String, List<RevCommit>>> entrySet = commitListMap.entrySet();
+        for (Map.Entry<String, List<RevCommit>> entry : entrySet) {
+            String changeType = entry.getKey();
+            System.out.printf("%n%n%s：%n", changeType);
+            printChangelog(entry.getValue());
+        }
+    }
+
+    /**
+     * 添加变更记录
+     *
+     * @param commit        提交记录
+     * @param commitListMap 提交记录列表
+     */
+    private static void logChangeCommit(RevCommit commit, Map<String, List<RevCommit>> commitListMap) {
+        String shortMessage = commit.getShortMessage();
+        // 忽略合并
+        if (shortMessage.startsWith("Merge ")) {
+            return;
+        }
+        // e.g. feat(core): ServletUtils 新增 isMultipart、isForm、isStream 方法
+        String changeType = getChangeType(shortMessage);
+        String changeTypeName = getChangeTypeName(changeType);
+        List<RevCommit> commitList = commitListMap.get(changeTypeName);
+        if (null == commitList) {
+            commitList = new ArrayList<>();
+        }
+        // 正序添加
+        commitList.add(0, commit);
+        commitListMap.put(changeTypeName, commitList);
+    }
+
+    /**
+     * 转换为 CHANGELOG Markdown
+     *
+     * @param commitList 提交记录列表
+     */
+    private static void printChangelog(List<RevCommit> commitList) {
+        for (RevCommit commit : commitList) {
+            String shortMessage = commit.getShortMessage();
+            String commitId = commit.getId().getName();
+            String moduleName = getModuleName(shortMessage);
+            List<String> changelogTemplateVarList = new ArrayList<>(List.of(StrUtil.subAfter(shortMessage, ": ", false), StrUtil.subPre(commitId, 8), PROJECT_NAME, commitId));
+            String changelogTemplate = "- ";
+            if (SHOW_MODULE_NAME && StrUtil.isNotBlank(moduleName)) {
+                changelogTemplate += "【%s】";
+                changelogTemplateVarList.add(0, moduleName);
+            }
+            changelogTemplate += "%s ([%s](https://github.com/continew-org/%s/commit/%s))%n";
+            System.out.printf(changelogTemplate, changelogTemplateVarList.toArray());
+        }
+    }
+
+    /**
+     * 获取变更类型
+     *
+     * @param shortMessage {@link RevCommit#getShortMessage()}
+     * @return 变更类型
+     */
+    private static String getChangeType(String shortMessage) {
+        return StrUtil.subBefore(StrUtil.subBefore(shortMessage, ":", false), "(", false);
+    }
+
+    /**
+     * 获取变更类型名称
+     *
+     * @param changeType 变更类型
+     * @return 变更类型名称
+     */
+    private static String getChangeTypeName(String changeType) {
+        return switch (changeType) {
+            case "feat" -> "新特性";
+            case "fix" -> "问题修复";
+            case "style", "refactor", "perf", "chore" -> "功能优化";
+            default -> "其他";
+        };
+    }
+
+    /**
+     * 获取模块名称
+     *
+     * @param shortMessage {@link RevCommit#getShortMessage()}
+     * @return 模块名称
+     */
+    private static String getModuleName(String shortMessage) {
+        return StrUtil.subBetween(StrUtil.subBefore(shortMessage, ":", false), "(", ")");
+    }
+}