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完善统计模块及模型

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lookerZz
2026-09-21 19:55:51 +08:00
parent 89a10c598b
commit 946d428c8b
11 changed files with 428 additions and 59 deletions
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models/class_model.py
+8 -4
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@@ -1,6 +1,7 @@
from sqlalchemy import * # 导入sqlalchemy模块下所有的类，以便下面创建班级表模型和声明表的字段
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
from sqlalchemy.dialects.mysql import TINYINT
class Classes( Base ): # 在python里的名字
__tablename__ = 'classes' # 在数据库中表的名字
@@ -21,7 +22,7 @@ class Classes( Base ): # 在python里的名字
)
# ————创建班级"开课时间"的字段名————
start_date = Column( DATE # 声明是字段数据类型是日期
, nullable = True # 声明是'可为空'
, nullable = False # 开课时间必填
)
# ————创建班级"结课时间"的字段名————
end_date = Column( DATE # 声明是字段数据类型是'日期'
@@ -30,20 +31,23 @@ class Classes( Base ): # 在python里的名字
# ————创建班级"创建时间"的字段名————
created_at = Column( DATETIME # 声明是字段数据类型是"日期时间"
, default=datetime.now # 声明是创建的默认值就是"当前时间"
, server_default=text("CURRENT_TIMESTAMP")
, nullable = False # 声明是"非空"
)
# ————创建班级"更新时间"的字段名————
update_at = Column( DATETIME # 声明是字段数据类型是"日期时间"
updated_at = Column( DATETIME # 声明是字段数据类型是"日期时间"
, default=datetime.now #声明是第一次更新的时间就是第一次创建的时间一致
, onupdate=datetime.now # 声明"最后修改的时间"
, server_default=text("CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP")
, nullable = False # 声明是"非空"
)
# ————创建班级"备注信息"的字段名————
remark = Column( String(100) # 声明是字段数据类型是"字符串"
remark = Column( String(255) # 声明是字段数据类型是"字符串"
, nullable = True # 声明是"可以为空"
)
# ————创建班级"逻辑删除"的字段名————
is_deleted = Column( INTEGER # 声明是字段数据类型是"数字"
is_deleted = Column( TINYINT # 逻辑删除标记
, default = 0 # 声明默认值是"0，未删除"
, server_default = text("0")
, nullable = False # 声明是"非空"
)
models/class_teacher.py
+20 -13
View File
@@ -1,32 +1,35 @@
from sqlalchemy import (Column, Integer, String, Text,
BigInteger,ForeignKey,VARCHAR,DateTime
BigInteger,ForeignKey,VARCHAR,DateTime,UniqueConstraint,text
)
from sqlalchemy.dialects.mssql import TINYINT
from sqlalchemy.dialects.mysql 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
#班级老师关系表 class_teachers 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"
__tablename__ = "class_teachers"
__table_args__ = (
UniqueConstraint("class_id", "teacher_id", "role", name="uk_class_teacher_role"),
)
id = Column(
BigInteger
,primary_key=True
,autoincrement=True
,comment='关系')
class_id = Column(
BigInteger
,ForeignKey('class_id')
Integer
,ForeignKey('classes.id')
,nullable=False
,comment='关联 class_id'
,comment='关联 classes.id'
)
teacher_id = Column(
BigInteger
,ForeignKey('teacher_id')
Integer
,ForeignKey('teachers.id')
,nullable=False
,comment='关联 teacher_id'
,comment='关联 teachers.id'
)
role = Column(
VARCHAR(30)
@@ -36,18 +39,22 @@ class ClassTeachers(Base):
created_at = Column(
DateTime
,nullable=False
,default=datetime.now()
,default=datetime.now
,server_default=text("CURRENT_TIMESTAMP")
,comment='创建时间'
)
updated_at = Column(
DateTime
,nullable=False
,default=datetime.now()
,default=datetime.now
,onupdate=datetime.now
,server_default=text("CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP")
,comment='更新时间'
)
is_deleted = Column(
TINYINT
,nullable=False
,default=0
,server_default=text("0")
,comment='逻辑删除'
)
)
models/consultant.py
+5 -4
View File
@@ -1,5 +1,6 @@
from sqlalchemy import *
from sqlalchemy.dialects.mysql import TINYINT
from datetime import datetime
from core.database import Base
class Consultant(Base):
@@ -8,10 +9,10 @@ class Consultant(Base):
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")
consultant_name = Column(String(50), nullable=False, comment="顾问姓名")
phone = Column(String(11), nullable=True, comment="联系电话")
phone = Column(String(20), nullable=True, comment="联系电话")
email = Column(String(100), nullable=True, comment="邮箱")
remark = Column(String(255), nullable=True, comment="备注")
created_at = Column(DateTime, default=datetime.now, nullable=False, comment="创建时间")
updated_at = Column(DateTime, default=datetime.now, onupdate=datetime.now, nullable=False, comment="更新时间")
is_deleted = Column(Integer, default=0, nullable=False, comment="逻辑删除：0正常，1删除")
created_at = Column(DateTime, default=datetime.now, server_default=text("CURRENT_TIMESTAMP"), nullable=False, comment="创建时间")
updated_at = Column(DateTime, default=datetime.now, onupdate=datetime.now, server_default=text("CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP"), nullable=False, comment="更新时间")
is_deleted = Column(TINYINT, default=0, server_default=text("0"), nullable=False, comment="逻辑删除：0正常，1删除")
models/employment.py
+13 -4
View File
@@ -1,4 +1,5 @@
from sqlalchemy import *
from sqlalchemy.dialects.mysql import TINYINT
from sqlalchemy.orm import declarative_base,sessionmaker
from datetime import datetime
from core.database import Base, engine
@@ -10,11 +11,13 @@ class Employment(Base):
id = Column(BigInteger, 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("students.id") # 外键 -> students.id
, nullable=False # 不允许为null
, unique=True # 每个学生只对应一条就业信息
,comment="关联学生id")
employment_status = Column(String(50)
employment_status = Column(String(30)
, default="not_started"
, nullable=False
,comment="就业状态:not_started/job_hunting/offered/employed")
employment_open_date = Column(Date
,comment="就业开放时间")
@@ -22,19 +25,25 @@ class Employment(Base):
,comment="offer下发时间")
company_name = Column(String(100)
, comment="就业公司名称")
salary = Column(DECIMAL(10, 2) # 高精度浮点数薪资,最多 10 位数字，小数占 2 位
salary = Column(DECIMAL(10, 2) # 定点小数薪资，最多10位数字，小数占2位
, comment="就业薪资")
remark = Column(String(255)
,default=None
, comment="备注信息")
created_at = Column(DateTime
, default=datetime.now
, server_default=text("CURRENT_TIMESTAMP")
, nullable=False
, comment="创建时间")
updated_at = Column(DateTime
, default=datetime.now
, onupdate=datetime.now
, server_default=text("CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP")
, nullable=False
,comment="更新时间")
is_deleted = Column(SmallInteger
is_deleted = Column(TINYINT
,default=0
,server_default=text("0")
,nullable=False
,comment="逻辑删除：0正常，1删除")
models/score.py
+15 -7
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@@ -1,20 +1,22 @@
from sqlalchemy import *
from sqlalchemy.dialects.mysql import TINYINT
from core.database import Base
from datetime import datetime,date
class Score(Base):
__tablename__ = "score_info_detail"
__tablename__ = "scores"
id = Column(Integer
, primary_key=True
,autoincrement=True
,comment="成绩表序号，自增主键"
)
student_id = Column(Integer
,ForeignKey("student.id")
,ForeignKey("students.id")
,nullable=False
,comment="学生学号"
)
score = Column(DECIMAL(4,1)
,CheckConstraint("score between 0 and 100")
,nullable=False
)
exam_seq= Column(Integer
, nullable=False
@@ -22,25 +24,31 @@ class Score(Base):
__table_args__ = (
UniqueConstraint("student_id"
, "exam_seq"
, name="uk_student_exam_seq"),
)#学生id和学生姓名应为联合唯一，即一个学生一次考试只能有一个分数
, name="uk_scores_student_exam"),
)#学生id和考核序次联合唯一，即一个学生一次考试只能有一个分数
exam_date=Column(Date
,default=date.today
,comment="考试日期"
)
created_at=Column(DateTime
,default=datetime.now
,server_default=text("CURRENT_TIMESTAMP")
,nullable=False
,comment="创建时间"
)
updated_at=Column(DateTime
,default=datetime.now
,onupdate=datetime.now
,server_default=text("CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP")
,nullable=False
,comment="更新时间"
)
remark=Column(String(225)
remark=Column(String(255)
,comment="备注说明"
)
is_deleted=Column(Integer
is_deleted=Column(TINYINT
,default=0
,server_default=text("0")
,nullable=False
,comment="逻辑删除标记：未删除0，已删除1"
)
)
models/student.py
+21 -12
View File
@@ -1,27 +1,30 @@
from core.database import Base
from sqlalchemy import *
from sqlalchemy.dialects.mysql import TINYINT
from datetime import datetime
class Student(Base):
__tablename__ = 'student_info_detail'
__tablename__ = 'students'
id = Column(Integer
, primary_key=True
, autoincrement=True
, comment = '学生编号，自增主键'
)
student_no = Column(VARCHAR(50)
, unique = True)
student_name = Column(VARCHAR(50))
, unique = True
, nullable = False)
student_name = Column(VARCHAR(50), nullable=False)
class_id = Column(Integer
,foreign_key = 'class_info_detail.id'
,ForeignKey('classes.id')
,nullable = False
)#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('consultants.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)
graduation_school = Column(VARCHAR(100)
graduate_school = Column(VARCHAR(100)
,nullable = True)
major = Column(VARCHAR(100)
,nullable = True)
@@ -35,11 +38,17 @@ class Student(Base):
,nullable = False)
gender = Column(VARCHAR(10)
,nullable = False)
create_at = Column(DATETIME
,default = datetime.now)
update_at = Column(DATETIME
created_at = Column(DATETIME
,default = datetime.now
,onupdate = datetime.now)
is_deleted = Column(Integer
,default = 0)#逻辑删除，默认为0，为1则表示已删除
,server_default = text("CURRENT_TIMESTAMP")
,nullable = False)
updated_at = Column(DATETIME
,default = datetime.now
,onupdate = datetime.now
,server_default = text("CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP")
,nullable = False)
is_deleted = Column(TINYINT
,default = 0
,server_default = text("0")
,nullable = False)#逻辑删除，默认为0，为1则表示已删除
models/teacher.py
+9 -5
View File
@@ -1,6 +1,6 @@
from sqlalchemy import (Column, Integer,VARCHAR,DateTime
from sqlalchemy import (Column, Integer,VARCHAR,DateTime,text
)
from sqlalchemy.dialects.mssql import TINYINT
from sqlalchemy.dialects.mysql import TINYINT
from core.database import Base
from datetime import datetime
@@ -9,7 +9,7 @@ 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__ = 'teachers'
id = Column(
Integer
, primary_key=True
@@ -37,26 +37,30 @@ class Teacher(Base):
,comment='邮箱'
)
remark = Column(
VARCHAR(2550)
VARCHAR(255)
,nullable=True
,comment='备注'
)
created_at = Column(
DateTime
DateTime
,nullable=False
,default=datetime.now
,server_default=text("CURRENT_TIMESTAMP")
,comment='创建时间'
)
updated_at = Column(
DateTime
,nullable=False
,default=datetime.now
,onupdate=datetime.now
,server_default=text("CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP")
,comment='更新时间'
)
is_deleted = Column(
TINYINT
,nullable=False
,default=0
,server_default=text("0")
,comment='逻辑删除'
)