开通课程: 查看状态 操作里的开通课程 开通后完成叶子节点 的操作 显示变为 两个横线--)

/*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>) coursedao.findByPid(cid);

		for (Course t : list) {
			/*
			 * System.out.println("-----list:" + list.toString());
			 * System.out.println("-----t:" + t);
			 * System.out.println("-----list.size():" + list.size());
			 */
      
			String symbol = "";
			String symbolf = "";
			index++;
            
			// System.out.println("-----index:" + 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
				//System.out.println("-----level:" + level);
				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);
		//	System.out.println("-----t:" + t.getCname());
			boolean bIsBuy = false;
			if (t.getLeaf() == 0) {

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

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

	}
	
	public void CreateCourseBuyRec(Course cs, boolean isBuy, boolean isRoot)
	{
		CourseIsBuy ss = new CourseIsBuy();
		ss.setCs(cs);
		ss.setBuy(isBuy);
		ss.setIsRootCourse(isRoot);
		ListBuyTree.add(ss);
		
	}
    public List<CourseIsBuy> findTreeForBuy(int stdId)
    {
    	mStdId = stdId;
		l.clear();
		List<Course> list = (List<Course>) coursedao.findByPid(0);
		for (Course t : list) {
			if (t.getLeaf() != 0) {
				boolean bIsBuy = stdCsd.findStdCourseByScId(stdId, t.getCid());
				CreateCourseBuyRec(t, bIsBuy, bIsBuy);
				 
				aryNodeStatus[0]=true;
				this.treeBuy(t.getCid(), 0, aryNodeStatus, bIsBuy);
			} else {
				boolean bIsBuy = stdCsd.findStdCourseByScId(stdId, t.getCid());
				CreateCourseBuyRec(t, bIsBuy, false);
			}
		}
		return ListBuyTree;
    }