微信小程序开发实践点滴——Bmob基本REST API的python封装

Refer：Bmob后端云REST API接口文档：http://docs.bmob.cn/data/Restful/a_faststart/doc/index.html

本文使用python对Bmob REST API的基本增删改查接口进行封装，方便在小程序开发时批量插入原始数据。

#!/usr/bin/python
# coding:utf-8
# Bmob后端云基本REST API封装
import requests
import json

# 每个应用都会有这两个ID，以下方法如果不传入这两个参数，那么使用这里默认的值
APP_ID = 'XXX'
REST_API_KEY = 'XXX'

# 封装rest api的get方法，根据对象ID获取一条数据
# table_name：要查询的表名
# object_id：要查询的数据记录的ID
def query(table_name,object_id,app_id = APP_ID,rest_api_key = REST_API_KEY):
# 构建请求头
    headers = {}
    headers['X-Bmob-Application-Id'] = app_id
    headers['X-Bmob-REST-API-Key'] = rest_api_key

# 构建url
    url = 'https://api.bmob.cn/1/classes/{table_name}/{object_id}'.format(table_name = table_name,object_id = object_id)

# 发起请求
    resp = requests.get(url,headers = headers,verify = False)

# 设置响应体编码
    resp.encoding = 'utf-8'

if resp and resp.status_code == 200:
return json.loads(resp.text)
return None

# 封装rest api的post方法，插入一条记录
# table_name：表名，如果表名还不存在，则先创建一个表再插入数据
# data：字典，要插入的记录的各个字段的字段名和值
def insert(table_name,data,app_id = APP_ID,rest_api_key = REST_API_KEY):
# 构建请求头
    headers = {}
    headers['X-Bmob-Application-Id'] = app_id
    headers['X-Bmob-REST-API-Key'] = rest_api_key
    headers['Content-Type'] = 'application/json'

# 构建url
    url = 'https://api.bmob.cn/1/classes/{table_name}'.format(table_name = table_name)

# 发起请求
    resp = requests.post(url,headers = headers,data = json.dumps(data),verify = False)

# 设置响应体编码
    resp.encoding = 'utf-8'

if resp and resp.status_code == 201:
print 'insert success!'
return json.loads(resp.text)
return None

# 封装rest api的put方法,传入记录ID，修改一条数据
# table_name：要更新的表名
# object_id：要更新的数据记录的ID
# data：字典类型，要更新的数据的键值对
def update(table_name,object_id,data,app_id = APP_ID,rest_api_key = REST_API_KEY):
# 构建请求头
    headers = {}
    headers['X-Bmob-Application-Id'] = app_id
    headers['X-Bmob-REST-API-Key'] = rest_api_key
    headers['Content-Type'] = 'application/json'

# 构建url
    url = 'https://api.bmob.cn/1/classes/{table_name}/{object_id}'.format(table_name = table_name,object_id = object_id)

# 发起请求
    resp = requests.put(url,headers = headers,data = json.dumps(data),verify = False)

# 设置响应体编码
    resp.encoding = 'utf-8'

if resp and resp.status_code == 200:
print 'update {0} success!'.format(object_id)
return json.loads(resp.text)
return None


# 封装rest api的delete方法，根据对象ID删除一条记录
# table_name：要删除的记录所在的表名
# object_id：要删除的数据记录的ID
def delete(table_name,object_id,app_id = APP_ID,rest_api_key = REST_API_KEY):
# 构建请求头
    headers = {}
    headers['X-Bmob-Application-Id'] = app_id
    headers['X-Bmob-REST-API-Key'] = rest_api_key

# 构建url
    url = 'https://api.bmob.cn/1/classes/{table_name}/{object_id}'.format(table_name = table_name,object_id = object_id)

# 发起请求
    resp = requests.delete(url,headers = headers,verify = False)

# 设置响应体编码
    resp.encoding = 'utf-8'

if resp and resp.status_code == 200:
print 'delete {0} success!'.format(object_id)
return json.loads(resp.text)
return None

# 查询一个表中的所有数据
# table_name：要查询的表名
def list(table_name,app_id = APP_ID,rest_api_key = REST_API_KEY):
# 构建请求头
    headers = {}
    headers['X-Bmob-Application-Id'] = app_id
    headers['X-Bmob-REST-API-Key'] = rest_api_key

# 构建url
    url = 'https://api.bmob.cn/1/classes/{table_name}'.format(table_name = table_name)

# 发起请求
    resp = requests.get(url,headers = headers,verify = False)

# 设置响应体编码
    resp.encoding = 'utf-8'

if resp and resp.status_code == 200:
return json.loads(resp.text)['results']
return None