实现对面状目标的shp格式的文件的读取并将其显示出来-It can achieve the function of reading the format of polygon shp and displaying it

实现了SHP文件的读取，并通过连接数据库后台，在SHP文件上标注显示数据库存储地点坐标-Achieve a SHP file to read, and by connecting database, in the SHP file mark display database storage location coordinates

Shp图形文件读取实例，初学者适用呀，抛砖引玉-Shp import