[新增]初始化题目模块api

problem/README.md

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+### 负责人
+
+- 【后端】曹姝玥
+- 【前端】周玮璐
+
+### 修改记录
+
+| 修改人 | 修改内容  | 修改时间   |
+| ------ | --------- | ---------- |
+| 周玮璐 | 初始化api | 2018/12/19 |

problem/api/Problem-题目.md

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+# Problem - 题目
+
+> url 前缀：**problem**
+>
+> 示例：**https://xxxxxxxxx/api/problems/xxxx**
+
+## 获取全部题目分类
+
+[TEACHER]
+
+```http
+get /teacher
+```
+
+### Response
+
+```json
+{
+  "data": Array<String>
+}
+```
+- data: 数组形式返回所有题目分类
+
+## 按题目分类获得题目(分页)
+
+[TEACHER]
+
+```http
+post /teacher/{assignmenttype}/problems
+```
+
+### Parameters
+
+```json
+{
+  "type": string,  
+  "page": number,
+  "num": number,
+}
+```
+- type: 题目分类
+- pageIndex: 当前页数
+- pageNum: 一页的题目数量
+
+### Response
+
+```json
+{
+  "data": Array<ProblemSerializer>
+}
+```
+
+see [ProblemSerializer](../serializer/ProblemSerializer.md)
+
+## 根据关键字进行模糊查找
+
+[TEACHER]
+
+```http
+post /teacher
+```
+### Parameters
+
+```json
+//关键字模糊搜索是否分页？
+{
+  "keyword": string,
+  "type": string,
+}
+```
+- type: 题目分类
+- keyword: 关键字
+- pageNum: 一页的题目数量
+
+### Response
+
+```json
+{
+  "data": Array<ProblemSerializer>
+}
+```
+
+see [ProblemSerializer](../serializer/ProblemSerializer.md)
+
+## 查看单个题目
+
+[TEACHER]
+
+```http
+post /teacher
+```
+
+###Parameters
+
+```json
+{
+  "id": number,
+}
+```
+
+### Response
+```json
+{
+  "data": ProblemSerializer,
+}
+```
+see [ProblemSerializer](../serializer/ProblemSerializer.md)
+
+
+***
+# 以下为二期开发内容
+
+## 上传单个题目
+
+[TEACHER]
+
+```http
+post /teacher
+```
+###Parameters
+
+```json
+{
+  "data": ProblemSerializer,
+}  
+```
+
+###Response
+
+```json
+{
+  "id": number,
+}
+```
+
+see [ProblemSerializer](../serializer/ProblemSerializer.md)
+
+## 更新题目
+
+[TEACHER]
+
+```http
+post /teacher/{problemId}/updateProblem
+```
+###Parameters
+
+```json
+{
+  "data": ProblemSerializer,
+}  
+```
+
+###Response
+
+```json
+{
+  "msg": string,
+}
+```
+
+see [ProblemSerializer](../serializer/ProblemSerializer.md)
+
+## 删除题目
+
+[TEACHER]
+
+```http
+post /teacher/{problemId}/delete
+```
+
+## 更新文件
+
+[TEACHER]
+
+```http
+post /teacher/{problemId}/updatefile
+```
+
+###Parameters
+
+```json
+{
+  "data": FileSerializer,
+}
+```
+
+see [FileSerializer](../serializer/FileSerializer.md)

problem/serializer/FileSerializer.md

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+# FileSerializer
+
+文件的基本信息
+
+## Attributes
+- filename: **String**, 文件名
+- content:  **byte[]**, 文件内容
+- uploader: **Long**, 上传者ID
+- size: **long**, 文件大小

problem/serializer/ProblemSerializer.md

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+# ProblemSerializer
+
+题目的基本信息
+
+## Attributes
+- AssignmentType : **enum** - 题目所属作业类型
+- type: **enm** - 题目类型
+- name: **String** - 题目名称
+- description: **String - 题目描述
+- creator: **Long** - 创建者ID
+- file:
+[**FileSerializer**](./FileSerializer.md) - 文件信息