name: Java21 Maven Build

on:
  push:
    branches: [ main ]

jobs:
  build:
    runs-on: java21  # 只会分配到带 java21 标签的Runner
    steps:
      - uses: actions/checkout@v4

      - name: 验证环境
        run: |
          java -version
          mvn -v

      - name: 构建项目
        run: mvn clean package -DskipTests