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运行这段代码后
import urllib.request
import json
import pickle
pickle_file = open('city_data.pkl','rb')
city = pickle.load(pickle_file)
password = input('请输入城市:')
name1 = city[password]
File1 = urllib.request.urlopen('http://www.weather.com.cn/data/' + name1 +'.htm1')
weatherHTML = File1.read().decode('utf-8')#读入打开的ur1
weatherJSON = json.JSONDecoder().decode(weatherHTML)#创建json
weatherInfo = weatherJSON["weatherinfo"]
#打印信息
print('城市:',weatherInfo['city'])
print('时间:',weatherInfo['date_y'])
print('24小时天气:')
print('温度:',weatherInfo['temp1'])
print('天气:',weatherInfo['weather1'])
print('风速:',weatherInfo['wind1'])
print('紫外线:',weatherInfo['index_uv'])
print('穿衣指数:',weatherInfo['index_d'])
print('48小时天气:')
print('温度:',weatherInfo['temp2'])
print('天气:',weatherInfo['weather2'])
print('风速:',weatherInfo['wind2'])
print('紫外线:',weatherInfo['index48_uv'])
print('穿衣指数:',weatherInfo['index48_d'])
print('72小时天气:')
print('温度:',weatherInfo['temp3'])
print('天气:',weatherInfo['weather3'])
print('风速:',weatherInfo['wind3'])
#print('紫外线:',weatherInfo['index72_uv'])
#print('穿衣指数:',weatherInfo['index72_d'])
input('按任意键退出')
出现下面的错误的原因是什么(我的是python3.4.1版本)
请输入城市:汕头
Traceback (most recent call last):
File "C:\Users\Administrator\Desktop\Weather\天气查询.py", line 12, in <module>
weatherJSON = json.JSONDecoder().decode(weatherHTML)#创建json
File "C:\Python34\lib\json\decoder.py", line 343, in decode
obj, end = self.raw_decode(s, idx=_w(s, 0).end())
File "C:\Python34\lib\json\decoder.py", line 361, in raw_decode
raise ValueError(errmsg("Expecting value", s, err.value)) from None
ValueError: Expecting value: line 1 column 1 (char 0)
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