# python-restful

**Repository Path**: deng-yongsheng/python-restful

## Basic Information

- **Project Name**: python-restful
- **Description**: Flask的restful例程
- **Primary Language**: Unknown
- **License**: Not specified
- **Default Branch**: master
- **Homepage**: None
- **GVP Project**: No

## Statistics

- **Stars**: 0
- **Forks**: 0
- **Created**: 2022-05-21
- **Last Updated**: 2022-05-21

## Categories & Tags

**Categories**: Uncategorized

**Tags**: Python, Flask

## README

# Python Flask RESTful例程

```python
# 字典容器，保存所有的user对象
userMap: Dict[int, User] = dict()

# 传入参数解析
parser = reqparse.RequestParser()
parser.add_argument('id', type=int, required=True, location='form')
parser.add_argument('name', type=str, required=True, location='form')


@api.resource('/')
class UserListView(Resource):
    """
    列表api，没有路由参数
    """

    def get(self):
        return str(userMap)

    def post(self):
        param = parser.parse_args()
        p_id = param.get('id')
        if p_id in userMap:
            return f"已经存在id={p_id}的user对象，无法新增"
        else:
            p_name = param.get('name')
            user = User(p_id, p_name)
            userMap.update({p_id: user})
            return str(userMap)


@api.resource('/<int:u_id>')
class UserView(Resource):
    """
    单个元素api，需要有路由参数u_id，以指定要操作的user对象id
    """

    def get(self, u_id: int):
        """
        获取一个user对象，对应get方法
        :param u_id: 要获取的用户id
        """
        if u_id in userMap:
            return str(userMap[u_id])
        else:
            return f"没有id={u_id}的user对象"

    def put(self, u_id: int):
        """
        修改，对应put方法
        :param u_id: 要修改的用户id
        """
        # 格式化传入参数
        param = parser.parse_args()
        if u_id in userMap:
            userMap[u_id].name = param.get('name')
            return str(userMap[u_id])
        else:
            return f"没有id={u_id}的user对象，无法修改"

    def delete(self, u_id: int):
        """
        删除一个user对象
        :param u_id: 要删除的用户对象id
        """
        if u_id in userMap:
            user = userMap[u_id]
            del userMap[u_id]
            return str(user)
        else:
            return f"没有id={u_id}的user对象，无法删除"
```