test四轮完成的版本，并入了刘盼的老师模块

api/wl_teacher_api.py

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+from fastapi import APIRouter, Depends, HTTPException
+from sqlalchemy.orm import Session
+
+from dao.wl_teacher_dao import (
+    create_teacher,
+    get_teacher_id,
+    get_teacher_no,
+    list_teachers,
+    update_teacher,
+    delete_teacher_logic,
+    generate_teacher_no,
+)
+from database import get_db
+from scheme.wl_teacher_scheme import (
+    TeacherCreate,
+    TeacherUpdate,
+    TeacherResponse,
+)
+
+router = APIRouter(prefix="/teacher",tags=["老师管理"])
+
+
+# 查询自动生成的老师工号
+@router.get("/generate-no")
+def get_new_teacher_no():
+    """获取自动生成的教师工号"""
+    new_no = generate_teacher_no()
+    return {"t_no": new_no}
+
+
+# 查询教师列表
+@router.get("/", response_model=list[TeacherResponse])
+def query_list(db: Session = Depends(get_db)):
+    return list_teachers(db)
+
+
+# 根据工号查询单个教师
+@router.get("/no/{t_no}", response_model=TeacherResponse)
+def query_one_by_no(t_no: str, db: Session = Depends(get_db)):
+    teacher = get_teacher_no(db, t_no)
+    if not teacher:
+        raise HTTPException(status_code=404, detail="老师不存在")
+    return teacher
+
+
+# 根据 id 查询单个教师
+@router.get("/{t_id}", response_model=TeacherResponse)
+def query_one_by_id(t_id: int, db: Session = Depends(get_db)):
+    teacher = get_teacher_id(db, t_id)
+    if not teacher:
+        raise HTTPException(status_code=404, detail="老师不存在")
+    return teacher
+
+
+# 新增教师
+@router.post("/", response_model=TeacherResponse, status_code=201)
+def add_teacher(body: TeacherCreate, db: Session = Depends(get_db)):
+    try:
+        return create_teacher(db, body)
+    except ValueError as e:
+        raise HTTPException(status_code=400, detail=str(e))
+
+# 修改教师
+@router.put("/{t_id}", response_model=TeacherResponse)
+def edit_teacher(
+    t_id: int,
+    body: TeacherUpdate,
+    db: Session = Depends(get_db),
+):
+    teacher = update_teacher(db, t_id, body)
+    if not teacher:
+        raise HTTPException(status_code=404, detail="老师不存在")
+    return teacher
+
+# 逻辑删除教师
+@router.delete("/{t_id}")
+def remove_teacher(t_id: int, db: Session = Depends(get_db)):
+    return delete_teacher_logic(db, t_id)