python读取api接口json数据

#by 侯禹江
#2018、/0/27
import json
from urllib.request import Request, urlopen

#zb网站获取数据Api
url = "https://trans.bitkk.com/line/topall?area=&jsoncallback=jQuery191025699015513536727_1530079609291&_=1530079609293"
#包装头部
firefox_headers = {'User-Agent': 'Mozilla/5.0 (Windows NT 6.1; WOW64; rv:23.0) Gecko/20100101 Firefox/23.0'}
#构建请求
request = Request( url, headers=firefox_headers )
html = urlopen( request )
#获取数据
data = html.read()
#转换成字符串
strs = str(data)
#截取字符串
print(len(strs))
strs_for_json = strs[44:]
strs_for_json= strs_for_json[:-2]
print(strs_for_json)
#转换成JSON
data = strs_for_json
datas = json.dumps(data)
#转换成字典数据
data_json = json.loads(data)
print(type(data_json))#<class 'dict'>
print(data_json['datas'][0]['market'],data_json['datas'][0]['sell1Price'])
print(len(data_json['datas']))
len = len(data_json['datas'])
#输出价格表
print("*****************************zb价格获取***************************************")
for i in range(0,len):
    print("币种\市场类型："+data_json['datas'][i]['market'], "^^^^^^^","实时价格："+data_json['datas'][i]['sell1Price'],"^^^^^^^","24小时最高价格："+data_json['datas'][i]['hightPrice'],"^^^^^^^","24小时最低价格："+data_json['datas'][i]['lastPrice'])