树形下拉菜单完整实例

[{"title":"（ 118 个子文件 619KB ） 树形下拉菜单完整实例","children":[{"title":"layui.css <span style='color:#111;'> 67.90KB </span>","children":null,"spread":false},{"title":"layui.mobile.css <span style='color:#111;'> 9.65KB </span>","children":null,"spread":false},{"title":"loading-2.gif <span style='color:#111;'> 1.75KB </span>","children":null,"spread":false},{"title":"icon.png <span style='color:#111;'> 11.22KB </span>","children":null,"spread":false},{"title":"loading-1.gif <span style='color:#111;'> 701B </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}]