获取对应ID的课程信息

## 获取对应ID的课程信息 ### 一 , 请求方式及地址 `GET: http://localhost:8086/manage/admin/dbcourse/info/{courseId}` ### 响应结果说明 #### 响应示例: --- ##### 成功: ``` { "code": 200, "msg": "处理成功", "data": { "id": 9, "typeId": 2, "levelId": 7, "courseName": "测试修改001", "unitName": "测试修改", "previewImg": "http://image-test.ailexue.net/1599136679000封面.jpg", "courseNum": "第3课时", "courseCover": "http://image-test.ailexue.net/1599136679000封面.jpg", "preCourseFile": "http://image-test.ailexue.net/1599136679000封面.jpg", "words": "string,long,beloan", "createTime": "2020-09-07 18:09:27", "updateTime": "2020-09-09 14:50:55" } } ``` ##### 失败: ``` 传参错误时 { "code": 500, "msg": "应用异常", "data": "系统维护中..." } 无记录时: { "code": 400, "msg": "该课程不存在" } ``` --- #### 响应结果说明 |参数名|类型|描述| |-|-|-| |code|Integer|状态码| |msg|String|描述说明| |data|Map|数据体| |id|int|课程id| |courseName|String|课程名称| |unitName|String|单元名称| |courseNum|String|课时名称| |courseCover|String|课程封面地址| |previewImg|String|课程预览图| |preCourseFile|String|备课课件URL地址| |words|String|学习单词| |typeName|String|类型名称| |levelName|String|等级名称|