js 可拖放、合并文件夹仿手机桌面效果

[{"title":"（ 13 个子文件 59KB ） js 可拖放、合并文件夹仿手机桌面效果","children":[{"title":"demo","children":[{"title":"imgs","children":[{"title":"glyphicons-halflings.png <span style='color:#111;'> 6.85KB </span>","children":null,"spread":false},{"title":"bird.png <span style='color:#111;'> 5.61KB </span>","children":null,"spread":false},{"title":"db.png <span style='color:#111;'> 2.68KB </span>","children":null,"spread":false},{"title":"pen.png <span style='color:#111;'> 3.22KB </span>","children":null,"spread":false},{"title":"siatka10.png <span style='color:#111;'> 1.11KB </span>","children":null,"spread":false},{"title":"glyphicons-halflings-white.png <span style='color:#111;'> 6.85KB </span>","children":null,"spread":false},{"title":"box.png <span style='color:#111;'> 3.85KB </span>","children":null,"spread":false}],"spread":true},{"title":"desktop.html <span style='color:#111;'> 1.11KB </span>","children":null,"spread":false},{"title":"js","children":[{"title":"test.js <span style='color:#111;'> 8.07KB </span>","children":null,"spread":false},{"title":"launcher.js <span style='color:#111;'> 133.70KB </span>","children":null,"spread":false}],"spread":true},{"title":"css","children":[{"title":"jtop.popupmenu.css <span style='color:#111;'> 3.17KB </span>","children":null,"spread":false},{"title":"jtop.tooltip.icon.css <span style='color:#111;'> 613B </span>","children":null,"spread":false},{"title":"jtop.tooltip.info.css <span style='color:#111;'> 785B </span>","children":null,"spread":false}],"spread":true}],"spread":true}],"spread":true}]