1 配置
项目右击==》properties==>project facets==>convert to faceted form...复选框选中java 和 jpa==》further configuration available
==>eclipse link 2.5x==>user librarys==>下载eclipselink2.5.2jar包并选中==》add connection ==>选中上一节自己建的mysql数据库==》选中复选框 add driver library to build path==> 选中复选框 override default schema ...OK即可
2 使用
右键项目 ==》properties ==>JPA tools ==>Generate entities from tables... ==》选中相应的table ==》主键生成策略 默认选择identity ==》选好package ==>finish即可