@Test
 public void getAllThreads() {
   List<Thread> threads = cs.getAllThreads(2);
   for (Thread t : threads) {
     System.out.println(t.getThreadTitle());
   }
 }
 /** 取得所有的东西 */
 @Test
 public void getAllThing() {
   List<Thread> threads = cs.getAllThreads(2);
   for (Thread t : threads) {
     System.out.println("Thread : " + t.getThreadTitle());
     List<Post> posts = ts.getAllPosts(t.getThreadId());
     for (Post p : posts) {
       System.out.println(">>>>Post : " + p.getPostContent());
       List<Comment> comments = ps.getAllComments(p.getPostId());
       for (Comment cm : comments) {
         System.out.println(">>>>>>>>Comment : " + cm.getCommentContent());
       }
     }
   }
 }