偶尔用点儿POI数据，所以写了一个下载器。用到的东西还真不少。
功能点
+编写翻页脚本
+CSharp与JS交互
+POI数据转换json
+CSharp的json序列化类
+CSharp读写json
+存储POI到txt
+jquery关联翻页
使用方式：
变更查询内容，直接修改Index.htm中local.search("宾馆");
保存功能，点击菜单保存。即可写入文件。
保存的数据
{"uid":"5211d21944d50b417dc87633","title":"北京锡华商务酒店","point":{"lat":"39.995309","lng":"116.309385"},"address":"北京市海淀区颐和园路12号（海淀体育中心院内）","url":"http://map.baidu.com/?s=inf%26uid%3D5211d21944d50b417dc87633%26c%3D131&i=0&sr=1","city":"北京市","phoneNumber":"(010)62646688","postcode":null,"type":0,"isAccurate":false,"province":"北京市","tags":["<font color="#c60a00">宾馆</font>","星级<font color="#c60a00">宾馆</font>酒店","四星级"],"detailUrl":"http://api.map.baidu.com/place/detail?uid=5211d21944d50b417dc87633&output=html&source=jsapi"}
{"uid":"0a15c7ec249f99e5ed74f804","title":"布丁酒店（北京中关村店）","point":{"lat":"39.958209","lng":"116.342268"},"address":"北京市海淀区大柳树路23号","url":"http://map.baidu.com/?s=inf%26uid%3D0a15c7ec249f99e5ed74f804%26c%3D131&i=0&sr=1","city":"北京市","phoneNumber":"(010)59705500","postcode":null,"type":0,"isAccurate":false,"province":"北京市","tags":["<font color="#c60a00">宾馆</font>"],"detailUrl":"http://api.map.baidu.com/place/detail?uid=0a15c7ec249f99e5ed74f804&output=html&source=jsapi"}
程序截图：
下载地址：