Java代码

@RequestMapping("/tree")
@ResponseBody
public Object tree(Integer id) {
	if (id == null) {
		return render("error");
	}
	PersonEntity me = personEntityMapper.selectByPrimaryKey(id);
	if (me == null) {
		return render("error");
	}
	if (!StrKit.isBlank(me.getBabaId())) {
		PersonEntity baba = personEntityMapper.selectByPrimaryKey(StrKit.firstId(me.getBabaId()));
		if (baba != null)
			return render(personHtml(baba));
	}
	return render(personHtml(me));
}
public String personHtml(PersonEntity p) {
	String html = "<li><a><b>" + p.getName() + "</b> ";
	if (!StrKit.isBlank(p.getSpouseId())) {
		PersonEntity se = personEntityMapper.selectByPrimaryKey(StrKit.firstId(p.getSpouseId()));
		if (se != null)
			html += se.getName();
	}
	html += "</a>";
	List<PersonEntity> childs = null;
	if ("M".equals(p.getSex()))
		childs = personEntityMapper.findChildsByBabaId("" + p.getId());
	else
		childs = personEntityMapper.findChildsByMamaId("" + p.getId());
	if (childs != null && !childs.isEmpty()) {
		html += "<ul>";
		for (PersonEntity child : childs) {
			html += personHtml(child);
		}
		html += "</ul>";
	}
	return html += "</li>";
}