Js操作树节点自动折叠展开的几种方法

var tree = L5.getCmp('edocOutfileRelationTree'); 
//增加选择树，节点自动折叠 
tree.on("click", function(node,e){ 
node.getUI().toggleCheck(true); 
}); 
tree.root.expand();

var tree = L5.getCmp('orgstrutree'); 
//增加选择树，节点自动折叠 
tree.on("click", function(node,e){ 
if(node.expanded==false){ 
node.expand(); 
}else{ 
node.collapse(); 
} 
});

var tree = L5.getCmp('orgstrutree'); 
//增加选择树，节点自动折叠 
tree.on("click", function(node,e){ 
var organType = node.record.get("organType"); 
if(organType == "8"){ 
node.getUI().toggleCheck(true); 
}else{ 
if(node.expanded==false){ 
node.expand(); 
}else{ 
node.collapse(); 
} 
} 
});