【求助】如何遍历一个二叉树!(老总快给我逼疯了,急啊) 如何遍历一个二叉树!再把这个二叉树写生个XML!!!救救我吧!朋友们! 解决方案 » 免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货 你看看这个,兄弟用递归构造。我只给出代码的关键地方,你自己再想想。//构造tree private DefaultMutableTreeNode buildOrgGroupNode(OrgnizationGroup group) { if (group != null) { DefaultMutableTreeNode parentNode = new DefaultMutableTreeNode( group); Collection<OrgnizationGroup> childGroups = group.getChildGroups(); DefaultMutableTreeNode childNode; if (childGroups != null) { for(OrgnizationGroup childGroup : childGroups) { childNode = buildOrgGroupNode(childGroup); if (childNode != null) { parentNode.add(childNode); } } } return parentNode; } return null; }//----------------------------OrgnizationGroup 类-------给你代码的片断,也可以加一些别的信息public class OrgnizationGroup extends Organization { //上级组织 private OrgnizationGroup parentGroup; //下级组织集合 private List<OrgnizationMember> members; //下级成员集合 private List<OrgnizationGroup> childGroups; /** * @return Returns the parentGroup. */ public OrgnizationGroup getParentGroup() { return parentGroup; } /** * @param parentGroup The parentGroup to set. */ public void setParentGroup(OrgnizationGroup parentGroup) { this.parentGroup = parentGroup; } /** * @return Returns the members. */ public List<OrgnizationMember> getMembers() { return members; } /** * @param members The members to set. */ public void setMembers(List<OrgnizationMember> members) { this.members = members; } /** * @return Returns the childGroups. */ public List<OrgnizationGroup> getChildGroups() { return childGroups; } /** * @param childGroups The childGroups to set. */ public void setChildGroups(List<OrgnizationGroup> childGroups) { this.childGroups = childGroups; }}//---------------------Organization 基类,用于存放一些最基础的信息,省的每个类都写//了。public class Organization implements Serializable { protected int id; protected String name;//自己写一下get和set方法吧} 对了,我没有写到xml里,你自己写吧~ 使用复合模式来写树,用iterator来遍历。生成XML可以用jdom.或者,用xmlrpc也可以,就是需要自己写一个transport. java 即时聊天(序列化串行接口)----有运行图 Swing窗体只显示关闭按钮 有关java的问题 过俩天就要去面试,请仁兄们给点试题和建议,谢谢? 请教大家.关于统计不同单词的问题 关于JMF的问题:XILCapture linux下如何安装java,哪儿有java 2 for linux下载! IE自动下载JRE的问题 线程简单问题啊--这里逛的虾米们进来看看闹 两个人同时对数据库进行更新操作,会成功执行吗?新手求助 求解:scjp的题目 为什么点了开始的按扭就停不下来
//构造tree
private DefaultMutableTreeNode buildOrgGroupNode(OrgnizationGroup group) {
if (group != null) {
DefaultMutableTreeNode parentNode = new DefaultMutableTreeNode(
group);
Collection<OrgnizationGroup> childGroups = group.getChildGroups();
DefaultMutableTreeNode childNode;
if (childGroups != null) {
for(OrgnizationGroup childGroup : childGroups) {
childNode = buildOrgGroupNode(childGroup);
if (childNode != null) {
parentNode.add(childNode);
}
}
} return parentNode;
} return null;
}
//----------------------------OrgnizationGroup 类-------给你代码的片断,也可以加一些别的信息
public class OrgnizationGroup extends Organization {
//上级组织
private OrgnizationGroup parentGroup; //下级组织集合
private List<OrgnizationMember> members; //下级成员集合
private List<OrgnizationGroup> childGroups;
/**
* @return Returns the parentGroup.
*/
public OrgnizationGroup getParentGroup() {
return parentGroup;
} /**
* @param parentGroup The parentGroup to set.
*/
public void setParentGroup(OrgnizationGroup parentGroup) {
this.parentGroup = parentGroup;
} /**
* @return Returns the members.
*/
public List<OrgnizationMember> getMembers() {
return members;
} /**
* @param members The members to set.
*/
public void setMembers(List<OrgnizationMember> members) {
this.members = members;
}
/**
* @return Returns the childGroups.
*/
public List<OrgnizationGroup> getChildGroups() {
return childGroups;
} /**
* @param childGroups The childGroups to set.
*/
public void setChildGroups(List<OrgnizationGroup> childGroups) {
this.childGroups = childGroups;
}
}//---------------------Organization 基类,用于存放一些最基础的信息,省的每个类都写
//了。
public class Organization implements Serializable {
protected int id; protected String name;
//自己写一下get和set方法吧
}