尽量再兼容一下Java7 #4

	# This workflow will build a Java project with Maven
	# For more information see: https://help.github.com/actions/language-and-framework-guides/building-and-testing-java-with-maven

	name: Java CI with Maven
	on:
	push:
	branches:
	- master
	- dev
	pull_request:
	types: [opened, synchronize, reopened]
	jobs:
	build:
	name: Build
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	with:
	fetch-depth: 0 # Shallow clones should be disabled for a better relevancy of analysis

	- name: Set up JDK 17
	uses: actions/setup-java@v3
	with:
	distribution: 'adopt'
	java-version: '17'

	- name: Cache local Maven repository
	uses: actions/[email protected]
	env:
	cache-name: cache-mvn
	with:
	path: ~/.m2/repository
	key: ${{ runner.os }}-build-${{ env.cache-name }}-${{ hashFiles('**/pom.xml') }}
	restore-keys: \|
	${{ runner.os }}-build-${{ env.cache-name }}-
	${{ runner.os }}-build-
	${{ runner.os }}-

	- name: Compile
	env:
	GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }} # Needed to get PR information, if any
	run: mvn -B clean compile --file pom.xml -U

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