用VB写的全国主要城市天气预报查询及QQ城市天气预报城市代码获取，目前网上到处都是页面天气预报代码，于是自己寻思着做个这样VB代码，查了很多网页代码，总算完成了。通过打开页面后从页面中获取关键字来实现。,The national and main search and the QQ city weather forecast city of the city weather forecast code which writes with the VB obtain, the top of the net is all page weather forecast everywhere currently code, hence oneself ponders to do thus VB code, checked a lot of web page codes, completed on the whole.Pass to open the empress of the page to obtain a key word to carry out from the page.