基础框架内容已经搭建完毕，剩余外键还未链接。

students/schema/students_request.py

@@ -1,6 +1,6 @@
 # students_schema：请求、响应的模型框架
 
-from pydantic import BaseModel
+from pydantic import BaseModel , Field , field_validator
 from datetime import datetime
 
 # 查询
@@ -16,9 +16,9 @@ class StudentsQuery(BaseModel):
 
 # 新建
 class StudentsResponse(BaseModel):
-    student_name:str
-    class_name:str
-    student_phone:str
+    student_name:str = Field(...,min_length=1)
+    student_phone:str = Field(...,min_length=11,max_length=11)
+    class_name:str = Field(...,min_length=1)
     job_open_time:datetime | None = None
     offer_issue_time:datetime | None = None
     company_name:str | None = None
@@ -26,9 +26,10 @@ class StudentsResponse(BaseModel):
 
 # 更新
 class StudentsUpdate(BaseModel):
+    sid:int = Field(...,gt=0)
     student_name:str | None = None
-    class_name:str | None = None
     student_phone: str | None = None
+    class_name:str | None = None
     job_open_time:datetime | None = None
     offer_issue_time:datetime | None = None
     company_name:str | None = None
@@ -36,4 +37,11 @@ class StudentsUpdate(BaseModel):
 
 # 删除
 class StudentsDelete(BaseModel):
-    sid:int
+    sid:int | None = None
+    student_name:str | None = None
+    student_phone: str | None = None
+    class_name:str | None = None
+    job_open_time:datetime | None = None
+    offer_issue_time:datetime | None = None
+    company_name:str | None = None
+    salary:int | None = None