postgresql安装geom地理信息字段

确保数据库已安装postgis，然后执行

CREATE EXTENSION postgis

java中的写法(使用jpa)，自动生成表字段，配置自己配

    @Column(name = "the_geom",columnDefinition ="geometry(Geometry)")
    private MultiPolygon polygon;

    @Column(name = "the_geom",columnDefinition ="geometry(Geometry)")
    private Point polygon;