mybatis 中多对一的情况下 如何插入数据

Question

publicclassArticle{privateintid;privateCategorycategory;privateStringtitle;privateStringcontent;privateStringuri;privateDatedate;//getset....}model这样定义的,表字段如下:CREATETABLE`article`(`id`int(11)NOTNULLAUTO_INCREMENT,`c_id`int(11)DEFAULTNULL,`title`varchar(255)DEFAULTNULL,`content`text,`uri`varchar(255)DEFAULTNULL,`date`datetimeDEFAULTNULL,PRIMARYKEY(`id`),KEY`c_id`(`c_id`),CONSTRAINT`article_ibfk_1`FOREIGNKEY(`c_id`)REFERENCES`category`(`id`))ENGINE=InnoDBAUTO_INCREMENT=47DEFAULTCHARSET=utf8;mapper中该如何配置insert？