[{"title":"( 2 个子文件 8.05MB ) DataTable和GridControl基本功能使用","children":[{"title":"AAA","children":[{"title":"XfExpress.Test.XfDataTable.rar <span style='color:#111;'> 92.49KB </span>","children":null,"spread":false},{"title":"Debug.rar <span style='color:#111;'> 7.97MB </span>","children":null,"spread":false}],"spread":true}],"spread":true}]