duilib树节点

[{"title":"（ 204 个子文件 931KB ） duilib树节点","children":[{"title":"scroll.png <span style='color:#111;'> 42.54KB </span>","children":null,"spread":false},{"title":"btn_close.png <span style='color:#111;'> 45.54KB </span>","children":null,"spread":false},{"title":"loading.png <span style='color:#111;'> 67.34KB </span>","children":null,"spread":false},{"title":"btn_restore.png <span style='color:#111;'> 47.51KB </span>","children":null,"spread":false},{"title":"list_header_sep.png <span style='color:#111;'> 41.82KB </span>","children":null,"spread":false},{"title":"......","children":null,"spread":false},{"title":"<span style='color:steelblue;'>文件过多，未全部展示</span>","children":null,"spread":false}],"spread":true}]