递归删除

 

 

/**
 * 文件删除
 * @param 
 */

public  void delDir(File file)
{
    if (file.isDirectory())
    {
        File zFiles[] = file.listFiles();
        for (File file2 : zFiles)
        {
            delDir(file2);
        }
    }
    file.delete();
}

 

/**
 * 递归删除
 * @param classId
 */
public void deleteByClassId(String classId)
{
    QmClassType classType = findById(classId);

    if (classType != null)
    {
        List<QmClassType> classTypeList = findClassTypeByParentId(classId);
        if (classTypeList != null)
        {
            for (QmClassType type : classTypeList)
            {
                deleteByClassId(type.getQmClassId());
            }
        }

        deleteById(classId);
    }
}

 public ArrayNode getClassTypeTree(String parentId)
{
    List<QmClassType> classTypeList = findClassTypeByParentId(parentId);
    ArrayNode arrayNode = JacksonUtil.createArrayNode();
    if (classTypeList != null)
    {
        for (QmClassType classType : classTypeList)
        {
            ObjectNode sonNode = classTypeToObjectNode(classType);
            sonNode.set("children", getClassTypeTree(classType.getQmClassId()));
            arrayNode.add(sonNode);
        }
    }
    return arrayNode;
}