The Tree Panel Component is one of the most versatile Components in Ext JS and is an excellent tool for displaying heirarchical data in an application. Tree Panel extends from the same class as Grid Panel, so all of the benefits of Grid Panels - feat
extjs4 tree check 级联选择 实现效果: 关键代码: function changeAllNode(node, isCheck) { allChild(node, isCheck); allParent(node, isCheck); function allChild(nodec, isCheckc) { var chileNodes = nodec.childNodes; Ext.Array.each(chileNodes, function (nd) { if (nd.ha