写好了增加学生接口，增加学生dao层，main里加入了student——router

database.py

@@ -0,0 +1,13 @@
+from models import *
+from core.database import *
+from sqlalchemy import create_engine
+
+
+db_url = "mysql+pymysql://root:123456@127.0.0.1:3306/student_manager?charset=utf8mb4"
+engine = create_engine(db_url
+                       ,pool_size=50
+                       ,echo=True)
+
+Base.metadata.create_all(engine)
+db = SessionLocal()
+db.commit()

models/__init__.py

@@ -1 +1,7 @@
-
+from .class_model import Classes
+from .class_teacher import ClassTeachers
+from .consultant import Consultant
+from .employment import Employment
+from .score import Score
+from .student import Student
+from .teacher import Teacher

models/class_model.py

@@ -3,7 +3,7 @@ from datetime import datetime      # 导入datetime模块下的datetime类
 from core.database import Base     # 从core软件包下的database模块导入Base
 
 class Classes( Base ):              # 在python里的名字
-    __tablename__ = 'classes'       # 在数据库中表的名字
+    __tablename__ = 'class_info_detail'       # 在数据库中表的名字
     #————创建班级"主键"的字段名————
     id = Column( Integer                 # 声明字段的数据类型是"整数"
                , primary_key = True      # 声明是"主键"

models/class_teacher.py

@@ -0,0 +1,53 @@
+from sqlalchemy import (Column, Integer, String, Text,
+                        BigInteger,ForeignKey,VARCHAR,DateTime
+                        )
+from sqlalchemy.dialects.mssql import TINYINT
+
+from core.database import Base
+from datetime import datetime
+
+
+#班级老师关系表 class_teachers_info_detail 中间表 ORM 模型完整定义
+#字段包括id,class_id,teacher_id,role,created_at,updated_at,is_deleted
+class ClassTeachers(Base):
+    __tablename__ = "class_teachers_info_detail"
+    id = Column(
+         Integer
+        ,primary_key=True
+        ,autoincrement=True
+        ,comment='关系')
+    class_id = Column(
+         Integer
+        ,ForeignKey('class_info_detail.id')
+        ,nullable=False
+        ,comment='关联 class_id'
+    )
+    teacher_id = Column(
+         Integer
+        ,ForeignKey("teacher_info_detail.id")
+        ,nullable=False
+        ,comment='关联 teacher_id'
+    )
+    role = Column(
+         VARCHAR(30)
+        ,nullable=False
+        ,comment='老师在班级中的角色：head_teacher班主任 / lecturer授课老师 / assistant助教'
+    )
+    created_at = Column(
+         DateTime
+        ,nullable=False
+        ,default=datetime.now()
+        ,comment='创建时间'
+    )
+    updated_at = Column(
+         DateTime
+        ,nullable=False
+        ,default=datetime.now()
+        ,comment='更新时间'
+    )
+    is_deleted = Column(
+        TINYINT
+        ,nullable=False
+        ,default=0
+        ,comment='逻辑删除'
+    )

models/consultant.py

@@ -3,7 +3,7 @@ from sqlalchemy import *
 from datetime import datetime
 from core.database import Base
 class Consultant(Base):
-    __tablename__ = "consultants"
+    __tablename__ = "consultant_info_detail"
 
     id = Column(Integer, primary_key=True, autoincrement=True, comment="主键")
     consultant_no = Column(String(50), unique=True, nullable=False, comment="顾问编号")

models/employment.py

@@ -6,11 +6,11 @@ from core.database import Base, engine
 # 为了符合三范式，就业表只保存 student_id，不保存学生姓名和班级名称。查询返回时通过关联 students 和 classes 带出学生姓名、班级名称。
 
 class Employment(Base):
-    __tablename__ = "employments"                              # 实际数据库的表名字
+    __tablename__ = "employment_info_detail"                              # 实际数据库的表名字
-    id = Column(BigInteger, primary_key=True                   # 主键
+    id = Column(Integer, primary_key=True                   # 主键
                 , autoincrement=True                           # 声明是自增主键
                 ,comment="就业信息主键id")
-    student_id = Column(BigInteger, ForeignKey("students.id")  # 外键 -> students.id
+    student_id = Column(Integer, ForeignKey("student_info_detail.id")  # 外键 -> students.id
                         , nullable=False                       # 不允许为null
                         ,comment="关联学生id")
     employment_status = Column(String(50)

models/score.py

@@ -9,7 +9,7 @@ class Score(Base):
                 ,comment="成绩表序号，自增主键"
                 )
     student_id = Column(Integer
-                        ,ForeignKey("student.id")
+                        ,ForeignKey("student_info_detail.id")
                         ,nullable=False
                         ,comment="学生学号"
                         )

models/student.py

@@ -13,11 +13,11 @@ class Student(Base):
                         , unique = True)
     student_name = Column(VARCHAR(50))
     class_id = Column(Integer
-                      ,foreign_key = 'class_info_detail.id'
+                      ,ForeignKey('class_info_detail.id')
                       )#外键约束 班级表的主键id，存在这个班级，学生表才可以输入
     consultant_id = Column(Integer
+                           , ForeignKey('consultant_info_detail.id')
                            ,nullable = True
-                           ,foreign_key = 'consultant_info_detail.id'
                            )#外键约束 顾问表的主键id，存在这个顾问，才可以写入，允许为空
     native_place = Column(VARCHAR(100)
                           ,nullable = True)

models/teacher.py

@@ -10,7 +10,7 @@ from datetime import datetime
 # teachers 老师表 ORM 模型
 #字段包括id,teacher_no,teacher_name,phone,email,remark,created_at,updated_at,is_deleted
 class Teacher(Base):
-    __tablename__ = 'teachers_info_detail'
+    __tablename__ = 'teacher_info_detail'
     id = Column(
          Integer
         , primary_key=True
@@ -62,48 +62,3 @@ class Teacher(Base):
     )
 
 
-#班级老师关系表 class_teachers_info_detail 中间表 ORM 模型完整定义
-#字段包括id,class_id,teacher_id,role,created_at,updated_at,is_deleted
-class ClassTeachers(Base):
-    __tablename__ = "class_teachers_info_detail"
-    id = Column(
-         BigInteger
-        ,primary_key=True
-        ,autoincrement=True
-        ,comment='关系')
-    class_id = Column(
-         BigInteger
-        ,ForeignKey('class_id')
-        ,nullable=False
-        ,comment='关联 class_id'
-    )
-    teacher_id = Column(
-         BigInteger
-        ,ForeignKey('teacher_id')
-        ,nullable=False
-        ,comment='关联 teacher_id'
-    )
-    role = Column(
-         VARCHAR(30)
-        ,nullable=False
-        ,comment='老师在班级中的角色：head_teacher班主任 / lecturer授课老师 / assistant助教'
-    )
-    created_at = Column(
-         DateTime
-        ,nullable=False
-        ,default=datetime.now()
-        ,comment='创建时间'
-    )
-    updated_at = Column(
-         DateTime
-        ,nullable=False
-        ,default=datetime.now()
-        ,comment='更新时间'
-    )
-    is_deleted = Column(
-        TINYINT
-        ,nullable=False
-        ,default=0
-        ,comment='逻辑删除'
-    )
-