EXTJSgrid导出EXCEL文件

[{"title":"（1328个子文件20.37MB）EXTJSgrid导出EXCEL文件","children":[{"title":"org.eclipse.core.resources.prefs <span style='color:#111;'>271B</span>","children":null,"spread":false},{"title":".project <span style='color:#111;'>1.25KB</span>","children":null,"spread":false},{"title":"import.css <span style='color:#111;'>2.50KB</span>","children":null,"spread":false},{"title":"ext.jsb2 <span style='color:#111;'>43.92KB</span>","children":null,"spread":false},{"title":"gpl-3.0.txt <span style='color:#111;'>34.32KB</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}]