POST api/StudyUser/AddStudyUser

{
  "UType": 1,
  "TeacherInfo": {
    "ID": 1,
    "UserID": 2,
    "SchoolName": "sample string 3",
    "SubjectName": "sample string 4",
    "GradeClass": "sample string 5",
    "Name": "sample string 6",
    "Phone": "sample string 7",
    "CreateTime": "2026-01-26T06:10:53.568361+08:00"
  },
  "StudentInfo": {
    "ID": 1,
    "UserID": 2,
    "SchoolName": "sample string 3",
    "GradeClass": "sample string 4",
    "Name": "sample string 5",
    "CreateTime": "2026-01-26T06:10:53.568361+08:00"
  },
  "ParentInfo": {
    "ID": 1,
    "UserID": 2,
    "SchoolName": "sample string 3",
    "GradeClass": "sample string 4",
    "StudentName": "sample string 5",
    "Relation": "sample string 6",
    "Phone": "sample string 7",
    "CreateTime": "2026-01-26T06:10:53.568361+08:00"
  }
}

<StudUserInfo xmlns:i="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://schemas.datacontract.org/2004/07/KX.Training.Entity.Area">
  <ParentInfo xmlns:d2p1="http://schemas.datacontract.org/2004/07/KX.Training.Entity.Study">
    <d2p1:CreateTime>2026-01-26T06:10:53.568361+08:00</d2p1:CreateTime>
    <d2p1:GradeClass>sample string 4</d2p1:GradeClass>
    <d2p1:ID>1</d2p1:ID>
    <d2p1:Phone>sample string 7</d2p1:Phone>
    <d2p1:Relation>sample string 6</d2p1:Relation>
    <d2p1:SchoolName>sample string 3</d2p1:SchoolName>
    <d2p1:StudentName>sample string 5</d2p1:StudentName>
    <d2p1:UserID>2</d2p1:UserID>
  </ParentInfo>
  <StudentInfo xmlns:d2p1="http://schemas.datacontract.org/2004/07/KX.Training.Entity.Study">
    <d2p1:CreateTime>2026-01-26T06:10:53.568361+08:00</d2p1:CreateTime>
    <d2p1:GradeClass>sample string 4</d2p1:GradeClass>
    <d2p1:ID>1</d2p1:ID>
    <d2p1:Name>sample string 5</d2p1:Name>
    <d2p1:SchoolName>sample string 3</d2p1:SchoolName>
    <d2p1:UserID>2</d2p1:UserID>
  </StudentInfo>
  <TeacherInfo xmlns:d2p1="http://schemas.datacontract.org/2004/07/KX.Training.Entity.Study">
    <d2p1:CreateTime>2026-01-26T06:10:53.568361+08:00</d2p1:CreateTime>
    <d2p1:GradeClass>sample string 5</d2p1:GradeClass>
    <d2p1:ID>1</d2p1:ID>
    <d2p1:Name>sample string 6</d2p1:Name>
    <d2p1:Phone>sample string 7</d2p1:Phone>
    <d2p1:SchoolName>sample string 3</d2p1:SchoolName>
    <d2p1:SubjectName>sample string 4</d2p1:SubjectName>
    <d2p1:UserID>2</d2p1:UserID>
  </TeacherInfo>
  <UType>1</UType>
</StudUserInfo>

Sample not available.