这是一个将shp数据打包为sqlite数据库的源码，实现了，分块打包，分级打包两个功能。对于需要做移动数据编辑，和发布有参考价值-This is a shp data will be packaged as sqlite database, source code, realized, block packing, grading packing two functions. For mobile data needs to be done editing, and publishing ref