天气网的天气城市是代码，citycode.txt里是代码，为了方便访问，再初始化事，会把代码插入一个sqlite数据库中、、

数据库文件和代码的txt在citycode压缩包里。放到与程序一个目录即可-Weather Network weather city is the code, citycode.txt in the code, in order to facilitate access to, and then initialize it, put code into an sqlite database, database files and code txt in citycode compression bag. You can put the program in a directory