/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: jinyakumo https://cdn.slidesharecdn.com/profile-photo-jinyakumo-48x48.jpg?cb=1590034607 ¥¢¥ó¥É¥í¥¤¥É, J2EE, Design pattern¤ËÅd椬¤¢¤ëÁôѧÉú¡£Ìô‘éµÄ¤ÊÈËÉú¤òËͤꤿ¤¤¡£