添加工作流

.github/workflows/backend-build.yml

@@ -0,0 +1,32 @@
+name: Backend CI
+
+on:
+  push:
+    branches: [ main, master ]
+  pull_request:
+    branches: [ main, master ]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Checkout code
+      uses: actions/checkout@v4
+
+    - name: Set up JDK 21
+      uses: actions/setup-java@v4
+      with:
+        java-version: '21'
+        distribution: 'temurin'
+        cache: 'maven'
+
+    - name: Build with Maven
+      working-directory: backend
+      run: mvn clean package
+
+    - name: Upload artifact
+      uses: actions/upload-artifact@v4
+      with:
+        name: studyingspace-backend
+        path: backend/target/*.jar

backend/README.md

@@ -132,7 +132,7 @@ Authorization: Bearer <token>
 ```
 
 ## 📝 开发计划
-
+- [x] 登录注册功能
 - [ ] 用户认证模块
 - [ ] 每日打卡模块
 - [ ] 笔记导入导出模块