【Python 第44课】 查天气（2）

feicien

1. import urllib.request
   
2. from city import city
   
3. 
   
4. exit=False
   
5. 
   
6. while not exit:
   
7.     cityname=input("你想查询哪个城市的天气？输入q退出\n")
   
8.     if cityname=="q" or cityname=="Q":
   
9.         print("退出！")
   
10.         exit=True
    
11.     else:
    
12.         citycode=city.get(cityname)
    
13.         if citycode:
    
14.             url=("http://www.weather.com.cn/data/cityinfo/%s.html"%citycode)
    
15.             request=urllib.request.Request(url)
    
16.             response=urllib.request.urlopen(request)
    
17.             content=response.read().decode("utf-8")
    
18.             print(content)
    

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feicien

feicien 发表于 2013-7-24 09:03

我下载的是python3.3
发现语法与python2.7有很大区别，这是我在python3.3下写的代码
加了一个while循环，下面是运行的结果：

1. Python 3.3.0 (v3.3.0:bd8afb90ebf2, Sep 29 2012, 10:55:48) [MSC v.1600 32 bit (Intel)] on win32
   
2. Type "copyright", "credits" or "license()" for more information.
   
3. >>> ================================ RESTART ================================
   
4. >>>
   
5. 你想查询哪个城市的天气？输入q退出
   
6. 北京
   
7. {"weatherinfo":{"city":"北京","cityid":"101010100","temp1":"36℃","temp2":"23℃","weather":"晴","img1":"d0.gif","img2":"n0.gif","ptime":"08:00"}}
   
8. 你想查询哪个城市的天气？输入q退出
   
9. 天津
   
10. {"weatherinfo":{"city":"天津","cityid":"101030100","temp1":"36℃","temp2":"26℃","weather":"晴转多云","img1":"d0.gif","img2":"n1.gif","ptime":"08:00"}}
    
11. 你想查询哪个城市的天气？输入q退出
    
12. 上海、
    
13. 你想查询哪个城市的天气？输入q退出
    
14. 上海
    
15. {"weatherinfo":{"city":"上海","cityid":"101020100","temp1":"39℃","temp2":"30℃","weather":"晴转多云","img1":"d0.gif","img2":"n1.gif","ptime":"08:00"}}
    
16. 你想查询哪个城市的天气？输入q退出
    
17. 杭州
    
18. {"weatherinfo":{"city":"杭州","cityid":"101210101","temp1":"39℃","temp2":"29℃","weather":"晴","img1":"d0.gif","img2":"n0.gif","ptime":"08:00"}}
    
19. 你想查询哪个城市的天气？输入q退出
    
20. Q
    
21. 退出！
    
22. >>>

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