<?xml version="1.0" encoding="UTF-8" ?><!DOCTYPE struts PUBLIC "-//Apach...

lazy:如果一個(gè)對(duì)象被設(shè)置為懶 初始化。固灵。那這個(gè)對(duì)象只有在應(yīng)用程序訪問(wèn)他的時(shí)候才被載入。 cascade: 當(dāng)對(duì)象many to many,或...

1、1對(duì)多（1） public class Brand {private int bid;private String bname;privat...