# Course - 课程

> url 前缀：**course**
>
> 示例：**https://xxxxxxxxx/api/course/xxxx**

## 教师新建课程

`TEACHER` `ADMIN`

```http
post
```

### Parameters

```ts
interface CourseDTO {
  name: string;
  code: string; // 选课码
}
```

### Response

```ts
interface CourseData {
  err: 0;
  res: CourseSerializer;
}
```

see [CourseSerializer](../serializer/CourseSerializer.md)

## 教师获取自己创建的所有课程

`TEACHER` `ADMIN`

```http
get
```

### Parameters

| Name  | Type   | Description |
| ----- | ------ | ----------- |
| page  | number | 页码        |
| limit | number | 每页条数    |

### Response

```ts
interface CoursePageData {
  err: 0;
  res: Array<CourseSerializer>;
  page: PageSerializer;
}
```

see [CourseSerializer](../serializer/CourseSerializer.md), [PageSerializer](../serializer/PageSerializer.md)

## 更新课程信息

`TEACHER` `ADMIN`

```http
put /:courseId
```

### Parameters

```ts
interface CourseDTO {
  name: string;
  code: string; // 选课码
}
```

### Response

```ts
interface CourseData {
  err: 0;
  res: CourseSerializer;
}
```

see [CourseSerializer](../serializer/CourseSerializer.md)

## 学生选课

`STUDENT`

```http
post /student
```

### Parameters

```ts
interface CourseCodeDTO {
  code: string; // 选课码
}
```

### Response

```ts
interface CourseData {
  err: 0;
  res: CourseSerializer;
}
```

see [CourseSerializer](../serializer/CourseSerializer.md)

## 判断选课码是否重复

`STUDENT` `ADMIN`

```http
post /code
```

### Parameters

```ts
interface CourseCodeDTO {
  code: string; // 选课码
}
```

### Response

```ts
interface DuplicateData {
  err: 0;
  res: boolean;
}
```