# 查询某个学校的组织架构(用树的形式返回)
```
{
"op": "sp_QuerySchoolGradeClassTree",
"params": [
1
]
}
1）params：[schoolIdx]
```
```
success
{
"msg": "操作成功",
"rc": 0,
"data": [
{
"classIdx": 0,
"gradeIdx": 1,
"parent_id": 0,
"grade": "2017",
"name": "2017级"
},
{
"classIdx": 0,
"gradeIdx": 2,
"parent_id": 0,
"grade": "2018",
"name": "2018"
},
{
"classIdx": 0,
"gradeIdx": 3,
"parent_id": 0,
"grade": "2019",
"name": "2019"
},
{
"classIdx": 0,
"gradeIdx": 4,
"parent_id": 0,
"grade": "2020",
"name": "2020"
},
{
"classIdx": 1,
"gradeIdx": 1,
"parent_id": 1,
"grade": "2017",
"name": "实验班"
},
{
"classIdx": 2,
"gradeIdx": 1,
"parent_id": 1,
"grade": "2017",
"name": "二班"
},
{
"classIdx": 3,
"gradeIdx": 1,
"parent_id": 1,
"grade": "2017",
"name": "三班"
},
{
"classIdx": 4,
"gradeIdx": 1,
"parent_id": 1,
"grade": "2017",
"name": "四班"
},
{
"classIdx": 5,
"gradeIdx": 1,
"parent_id": 1,
"grade": "2017",
"name": "五班"
}
]
}
```
```
error
{
"rc": 3,
"msg": "参数错误",
}
```
