初始化前后端学生管理系统项目

scheme/students.py

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+# scheme/student.py
+from pydantic import BaseModel, Field,model_validator
+from datetime import datetime, date
+from typing import Optional
+
+# ---------- 请求体模型 ----------
+class StudentCreate(BaseModel):
+    stu_id: int = Field(..., ge = 1)
+    class_id: int = Field(..., ge = 1)
+    advisor_id: int = Field(..., ge=1, description="顾问老师id，对应 advisors.advisor_id")
+    stu_name: str = Field(..., min_length=1, max_length=10)
+    native_place: str = Field(..., min_length=1, max_length=30)
+    graduate_school: str = Field(..., min_length=1, max_length=50)
+    education: str = Field(..., min_length=1, max_length=10)
+    major: str = Field(..., min_length=1, max_length=20)
+    age: int = Field(..., ge = 18, le =40)
+    gender: str = Field(..., min_length=1, max_length=20)
+    graduate_time:date= Field(...)
+    enroll_time:date= Field(...)
+
+
+    # 模型校验，时间判断
+    # @model_validator (mode = "after")
+    # def check_time(self):
+    #     # 入学时间不能晚于就业时间
+    #     if self.graduate_time is not None:
+    #         if self.graduate_time < self.enroll_time:
+    #             raise ValueError ("毕业时间不能早于入学时间！！！")
+    #     # 简历开放时间不能早于入学时间
+    #     # if self.employment_open_time < self.enroll_time:
+    #     #     raise ValueError("简历开放时间不能早于入学时间")
+    #     # 简历开放时间不能晚于毕业时间
+    #     if self.graduate_time is not None:
+    #         if self.graduate_time < self.employment_open_time:
+    #             raise ValueError("简历开放时间不能晚于毕业时间！！！")
+    #     # mode="after" 的校验器必须返回 self，否则 Pydantic v2 会把整个模型变成 None
+    #     return self
+
+
+class StudentUpdate(BaseModel):
+    class_id: Optional[int] = Field(None)
+    advisor_id: Optional[int] = Field(None, ge=1)
+    stu_name: Optional[str] = Field(None, min_length=1, max_length=10)
+    native_place: Optional[str] = Field(None, min_length=1, max_length=30)
+    graduate_school: Optional[str] = Field(None, min_length=1, max_length=50)
+    education:  Optional[str] = Field(None, min_length=1, max_length=10)
+    major: Optional[str] = Field(None, min_length=1, max_length=20)
+    age: Optional[int] = Field(None, ge = 18, le =40)
+    gender: Optional[str] = Field(None, min_length=1, max_length=20)
+
+# ----------响应体模型-------------
+class StudentResponse(BaseModel):
+    stu_id: int
+    class_id: int  # 数据库非空，这里必须是 int
+    stu_name: str
+    native_place: str
+    graduate_school: Optional[str]
+    education: str
+    major: Optional[str]
+    # 敏感字段已在此模型中脱敏
+
+    class Config:
+        from_attributes = True #支持orm对象转换,让pydantic可以读取ORM数据库对象(SQLAlchemy模型)
+
+
+
+