关于list,map,set的区别参考http://www.cnblogs.com/qlqwjy/p/7406573.html 1.遍历list @Test public void testList() { List<Integer> list = new ArrayList<Integer>(); list.add(1); list.add(2); System.out.println("-------------------list------------------
1.建一个Webproject.加入Struts2支持. 2.创建两个实体类: a). Mother(母亲)的Java类. package struts.map.entity; import java.io.Serializable; public class Mother implements Serializable { private static final long serialVersionUID = 1L; private int motherId; //母亲ID