Jquery easyui tree 一些常见操作
来源：互联网 发布：java side effect 编辑：程序博客网 时间：2024/05/29 06:48
遍历tree nodesfunction Travel(treeID){//参数为树的ID，注意不要添加# var roots=$('#'+treeID).tree('getRoots'),children,i,j; for(i=0;i<roots.length;i++){ alert(roots[i].text); children=$('#'+treeID).tree('getChildren',roots[i].target); for(j=0;j<children.length;j++)alert(children[j].text); }} $(function(){ $('#tt2').tree({ checkbox: true, url: 'tree_data.json', onClick: function(node){ $(this).tree('toggle', node.target); //alert('you dbclick '+node.text); }, onContextMenu: function(e, node){ e.preventDefault(); $('#tt2').tree('select', node.target); $('#mm').menu('show', { left: e.pageX, top: e.pageY }); } }); }); function reload(){ var node = $('#tt2').tree('getSelected'); if (node) { $('#tt2').tree('reload', node.target); } else { $('#tt2').tree('reload'); } } function getChildren(){ var node = $('#tt2').tree('getSelected'); if (node) { var children = $('#tt2').tree('getChildren', node.target); } else { var children = $('#tt2').tree('getChildren'); } var s = ''; for (var i = 0; i < children.length; i++) { s += children[i].text + ','; } alert(s); } function getChecked(){ var nodes = $('#tt2').tree('getChecked'); var s = ''; for (var i = 0; i < nodes.length; i++) { if (s != '') s += ','; s += nodes[i].text; } alert(s); } function getSelected(){ var node = $('#tt2').tree('getSelected'); alert(node.text); } function collapse(){ var node = $('#tt2').tree('getSelected'); $('#tt2').tree('collapse', node.target); } function expand(){ var node = $('#tt2').tree('getSelected'); $('#tt2').tree('expand', node.target); } function collapseAll(){ var node = $('#tt2').tree('getSelected'); if (node) { $('#tt2').tree('collapseAll', node.target); } else { $('#tt2').tree('collapseAll'); } } function expandAll(){ var node = $('#tt2').tree('getSelected'); if (node) { $('#tt2').tree('expandAll', node.target); } else { $('#tt2').tree('expandAll'); } } function append(){ var node = $('#tt2').tree('getSelected'); $('#tt2').tree('append', { parent: (node ? node.target : null), data: [{ text: 'new1', checked: true }, { text: 'new2', state: 'closed', children: [{ text: 'subnew1' }, { text: 'subnew2' }] }] }); } function remove(){ var node = $('#tt2').tree('getSelected'); $('#tt2').tree('remove', node.target); } function update(){ var node = $('#tt2').tree('getSelected'); if (node) { node.text = '<span style="font-weight:bold">new text<\/span>'; node.iconCls = 'icon-save'; $('#tt2').tree('update', node); } } function isLeaf(){ var node = $('#tt2').tree('getSelected'); var b = $('#tt2').tree('isLeaf', node.target); alert(b) } function GetNode(type){ var node = $('#tt2').tree('getChecked'); var chilenodes = ''; var parantsnodes = ''; var prevNode = ''; for (var i = 0; i < node.length; i++) { if ($('#tt2').tree('isLeaf', node[i].target)) { chilenodes += node[i].text + ','; var pnode = $('#tt2').tree('getParent', node[i].target); if (prevNode != pnode.text) { parantsnodes += pnode.text + ','; prevNode = pnode.text; } } } chilenodes = chilenodes.substring(0, chilenodes.length - 1); parantsnodes = parantsnodes.substring(0, parantsnodes.length - 1); if (type == 'child') { return chilenodes; } else { return parantsnodes }; }; function getNodes(){ alert(GetNode('fnode') + "," + GetNode('child')); } function doNode(){ var c=""; var p=""; $(".tree-checkbox1").parent().children('.tree-title').each(function(){ c+=$(this).parent().attr('node-id')+","; }); $(".tree-checkbox2").parent().children('.tree-title').each(function(){ p+=$(this).parent().attr('node-id')+","; }); var str=(c+p); str=str.substring(0,str.length-1); alert(str); }
