第二版_完整

api/teacher_api.py

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+
+from fastapi import APIRouter, Depends, HTTPException, Query, Path
+from sqlalchemy.orm import Session
+from typing import List
+
+from database import get_db
+from dao.teacher_dao import TeacherDao
+from scheme.teacher_scheme import TeacherAdd,TeacherUpdate, TeacherResponse
+
+router = APIRouter()
+
+#  查询所有教师（支持分页）
+@router.get("/get_all_teachers", response_model=List[TeacherResponse])
+async def get_all_teachers(
+    skip: int = Query(0, ge=0, description="跳过的记录数"),
+    limit: int = Query(100, ge=1, le=200, description="返回的最大记录数"),
+    db: Session = Depends(get_db)   # 依赖注入获得数据库会话
+):
+
+    teachers = TeacherDao.get_all(db, skip=skip, limit=limit)
+    return teachers   # FastAPI 自动根据 response_model 转换为 JSON
+
+#  根据 ID 和 name 查询单个教师
+@router.get("/get_teacher/{teacher_id_name}", response_model=TeacherResponse)
+async def get_teacher(
+    teacher_id_name: str = Path(..., description="要查询教师的id或姓名"),
+    db: Session = Depends(get_db)
+):
+    teacher = TeacherDao.get_by_id(db, teacher_id_name) or TeacherDao.get_by_name(db, teacher_id_name)
+    if not teacher:
+        raise HTTPException(status_code=404, detail="用户不存在")
+    return teacher
+
+#  根据 ID  查询教师带教的班级的信息
+@router.get("/get_class_info/{teacher_id}")
+async def get_class_info(
+    teacher_id: str = Path(..., description="要查询教师的id"),
+    db: Session = Depends(get_db)
+):
+    teacher = TeacherDao.get_clss_info(db, teacher_id)
+    if not teacher:
+        raise HTTPException(status_code=404, detail="用户不存在")
+    return teacher
+
+# 添加教师信息
+@router.post("/add_teacher", response_model=TeacherResponse)
+async def add_teacher(
+    teacher_data: TeacherAdd,
+    db: Session = Depends(get_db)
+):
+    # 调用 TeacherDao 创建教师信息
+    new_teacher = TeacherDao.add(db, teacher_data)
+    return new_teacher
+
+#  根据教师id更新教师信息
+@router.put("/update_teacher/{teacher_id}", response_model=TeacherResponse)
+async def update_teacher(
+    teacher_id: str,
+    teacher_data: TeacherUpdate,
+    db: Session = Depends(get_db)
+):
+    # 检查传入的id教师是否存在
+    existing = TeacherDao.get_by_id(db, teacher_id)
+    if not existing:
+        raise HTTPException(status_code=404, detail="用户不存在")
+
+    # 执行更新
+    updated = TeacherDao.update(db, teacher_id, teacher_data)
+    return updated
+
+# 删除教师
+@router.delete("/delete_teacher/{teacher_id}")
+async def delete_teacher(
+    teacher_id: str,
+    db: Session = Depends(get_db)
+):
+
+    success = TeacherDao.delete(db, teacher_id)
+    if not success:
+        raise HTTPException(status_code=404, detail="用户不存在")
+
+    return "该教师已删除"