StdCourseServiceImpl

public class StdCourseServiceImpl implements IStdCourseService {
	@Setter
	@Getter
	private ICourseDao coursedao;

	@Setter
	@Getter
	private IStdCourseDao stdCourseDao;
	private int mStdId;

//leaf 0 是根  1是叶子
	private boolean[] aryNodeStatus = new boolean[100];
	private List<CourseIsBuy> ListBuyTree = new ArrayList<CourseIsBuy>();

	public void CreateCourseBuyRec(Course cs, boolean isBuy, boolean isRoot) {
		CourseIsBuy ss = new CourseIsBuy();
		ss.setCs(cs);
		ss.setIsBuyed(isBuy);
		ss.setIsRootCourse(isRoot);
		ListBuyTree.add(ss);

	}

	public List<CourseIsBuy> findTreeForBuy(int stdId) {
		mStdId = stdId;
		ListBuyTree.clear();

		List<Course> list = (List<Course>) stdCourseDao.findStdCourseByPid(0);
			if(list==null) 
			return ListBuyTree;
               for (Course course : list) {
			//不是叶子
			//0是叶子 1非叶子
			if (course.getLeaf() != "0") {

				boolean bIsBuy = stdCourseDao.findStdCourseByScId(stdId,
						course.getCid());
				CreateCourseBuyRec(course, bIsBuy, bIsBuy);

				aryNodeStatus[0] = true;

				this.treeBuy(course.getCid(), 0, aryNodeStatus, bIsBuy);
			} else {
				boolean bIsBuy = stdCourseDao.findStdCourseByScId(stdId,
						course.getCid());
				CreateCourseBuyRec(course, bIsBuy, false);
			}
		}


		return ListBuyTree;
	}

	/**
	 * function :找到整个树并找到已购的课程
	 * 
	 * @param:
	 */
	private void treeBuy(Integer cid, Integer level, boolean[] aryIsLastNode,
			boolean isBuyFlag) {
		int index = 0;

		List<Course> list = (List<Course>) stdCourseDao.findStdCourseByPid(cid);
			 if (list==null) return;  
		for (Course course : list) {

			String symbol = "";
			String symbolf = "";
			index++;

			// 先画上级节点延续下来的"|"+空格，空格具体数目由层数决定

			for (int lev = 0; lev < level; lev++) {
				if (aryIsLastNode[lev] == false)
					symbolf += "│";
				else
					symbolf += "  　";
			}
			// 是否为最后一个节点
			if (index == list.size()) {
				symbol = "└";

			} else {
				symbol = "├";

			}
			String cname = symbolf + symbol + course.getCname();
			course.setCname(cname);

			boolean bIsBuy = false;
			if (course.getLeaf() == "0") {

				// 判断一下他的上级是否已经是被购买了
				if (!isBuyFlag) {
					bIsBuy = stdCourseDao.findStdCourseByScId(mStdId,
							course.getCid());
					CreateCourseBuyRec(course, bIsBuy, bIsBuy);
					isBuyFlag = bIsBuy;
				} else {
					CreateCourseBuyRec(course, true, false);
				}

			} else {

				// 判断一下他的上级是否已经是被购买了
				if (!isBuyFlag) {
					bIsBuy = stdCourseDao.findStdCourseByScId(mStdId,
							course.getCid());
					CreateCourseBuyRec(course, bIsBuy, bIsBuy);
					isBuyFlag = bIsBuy;
				} else {
					CreateCourseBuyRec(course, true, false);
				}
				course.setLevel(level + 1);
				if (index == list.size()) {
					aryIsLastNode[level] = true;
				} else {
					aryIsLastNode[level] = false;
				}
				treeBuy(course.getCid(), course.getLevel(), aryIsLastNode,
						isBuyFlag);
			}
		}

	}
}

package com.qieast.platform.admincp.service.impl;

import java.util.ArrayList;
import java.util.List;

import com.qieast.platform.admincp.dao.ICourseDao;
import com.qieast.platform.admincp.service.ICourseService;
import com.qieast.platform.model.Course;

public class CourseServiceImpl implements ICourseService {
	private ICourseDao coursedao;
	private int cid;
	private int parentid;

	public ICourseDao getCoursedao() {
		return coursedao;
	}

	public void setCoursedao(ICourseDao coursedao) {
		this.coursedao = coursedao;
	}

	public int getCid() {
		return cid;
	}

	public void setCid(int cid) {
		this.cid = cid;
	}

	public int getParentid() {
		return parentid;
	}

	public void setParentid(int parentid) {
		this.parentid = parentid;
	}

	@Override
	public void addCourse(Course course) {
		coursedao.addCourse(course);

	}

	@Override
	public List<Course> findAllCourse() {
		List<Course> list = coursedao.findAllCourse();
		return list;
	}

	@Override
	public Course findCourseById(Integer cid) {
		Course course = coursedao.findCourseById(cid);
		return course;
	}

	@Override
	public void updateCourse(Course course) {
		coursedao.updateCourse(course);

	}

	@Override
	public Course findCourseBycid(Integer cid) {
		Course course = coursedao.findCourseBycid(cid);
		return course;
	}

	// "└" "├ "│" "+"
	private List<Course> l = new ArrayList<Course>();
	private boolean[] aryNodeStatus = new boolean[100];

	private void tree(Integer cid, Integer level, boolean[] aryIsLastNode) {
		int index = 0;
		List<Course> list = (List<Course>) coursedao.findCourseBypid(cid);

		if (list==null) return;
		for (Course t : list) {


			String symbol = "";
			String symbolf = "　";
			index++;



			// 先画上级节点延续下来的"|"+空格，空格具体数目由层数决定

			for (int lev = 0; lev < level; lev++) {
				if (aryIsLastNode[lev] == false)
					symbolf += "│";
				else
					symbolf += "　";
			}
			// 是否为最后一个节点
			if (index == list.size()) {
				symbol = "└";

			} else {
				symbol = "├";

			}

			String cname = symbolf + symbol + t.getCname();
			t.setCname(cname);

//			if(t.getLeaf() == 0)
			if (t.getLeaf() == "0") {

				l.add(t);
				// t.setLeveler(level + 1);
				// tree(t.getId(),
				// t.getLeveler(),index==list.size()?true:false);

			} else {

				l.add(t);
				t.setLevel(level + 1);
				if (index == list.size()) {
					aryIsLastNode[level] = true;
				} else {
					aryIsLastNode[level] = false;
				}
				tree(t.getCid(), t.getLevel(), aryIsLastNode);
			}
		}

	}

	public List<Course> showTree() {
		l.clear();
		List<Course> list = (List<Course>) coursedao.findCourseBypid(0);
		if(list==null) 
			return list;

		for (Course t : list) {
			if (t.getLeaf() != "0") {   //if(t.getLeaf()!="0")
				l.add(t);
				aryNodeStatus[0] = true;
				this.tree(t.getCid(), 0, aryNodeStatus);
			} else {
				l.add(t);
			}
		}
		return l;

	}

	@Override
	public List<Course> findCourseBypid(Integer parentid) {
		List<Course> list = coursedao.findCourseBypid(parentid);
		return list;
	}

	@Override
	public boolean offLine(List<Course> list) {
		for (Course c : list) {
			c.setOnlinestate("0");
			coursedao.updateOnline(c);
		}
		return false;
	}

	@Override
	public void deleteMany(List<Course> list) {
		for (Course c : list) {
			coursedao.deleteCourse(c);
		}

	}

	@Override
	public void onLine(List<Course> list) {
		for (Course c : list) {
			c.setOnlinestate("1");
			coursedao.updateOnline(c);
		}
	}

	@Override
	public void updateOnline(Course course) {
		coursedao.updateCourse(course);

	}

	@Override
	public void addSubCourse(Course course){
		coursedao.addCourse(course);
	}

}