使用Python解析JSON数据

使用Python解析百度API返回的JSON格式的数据

# coding:utf-8
# !/usr/bin/env python

import matplotlib.pyplot as plt
from numpy import *
import sys, urllib, urllib2, json
import fun

if __name__ == '__main__':
	dataMat,labelMat = fun.loadDataSet("code.txt")
	print dataMat[0]
	url = 'http://apis.baidu.com/apistore/stockservice/usastock?stockid=CFC-B&list=1'
	req = urllib2.Request(url)

	req.add_header("apikey", "你自己的apikey")
	resp = urllib2.urlopen(req)
	content = resp.read()
	s = json.loads(content)

	for i in s.keys():
		if i == 'errNum':
			print '错误码：',s[i]
		elif i == 'errMsg':
			print '错误信息：',s[i]
		else:
			for j in s[i].keys():
				if j == 'stockinfo':
					print "返回数据:",j,":",str(s[i][j]).replace('u\'','\'').decode("unicode-escape")+'\n'
				elif j == 'market':
					for k in s[i][j].keys():
						print k,":",str(s[i][j][k]).replace('u\'','\'').decode("unicode-escape")+'\n'
				#print "返回数据:",j,":",str(s[i][j]).replace('u\'','\'').decode("unicode-escape")