如题，做本地sqlite缓存，图片的缓存似乎只能使用BLOB存储...
http://www.jb51.net/article/43765.htmhttp://blog.csdn.net/dajian790626/article/details/8202715
http://blog.csdn.net/for_china2012/article/details/9307491http://www.cnblogs.com/shang53880/archive/2011/10/13/2210530.html