zTree 是一個依靠 jQuery 實現的多功能 「樹插件」。以下透過本文給大家分享jQuery zTree 非同步載入新增子節點重複問題,需要的朋友參考下吧
##zTree 簡介
zTree 是一個依靠jQuery 實現的多功能「樹插件」。優異的性能、靈活的配置、多種功能的組合是 zTree 最大優點。 zTree 是開源免費的軟體(MIT 許可證)。如果您對 zTree 感興趣或願意資助 zTree 繼續發展下去,可以進行捐款。原始問題#
//添加结点, 产品和版本 function addNode(event) { rMenu.css({ "visibility": "hidden" }); var treeNode = zTree.getSelectedNodes()[0]; var pid; var nodeName; var treelevel; if (!treeNode && event.target.tagName.toLowerCase() != "button" && $(event.target).parents("a").length == 0) { //添加产品结点 pid = 0; treeNode = null; treelevel = 1; } else if (treeNode) { //添加版本结点 pid = treeNode.id; treelevel = 2; } $.post( "AddNode.action", { type: treelevel, id: pid }, function(nodeIdAndName) { var params = /([^\|]+)\|([^\|]+)/.exec(nodeIdAndName); if (!((!treeNode && event.target.tagName.toLowerCase() != "button" && $(event.target).parents("a").length == 0) || treeNode.open)) { zTree.expandNode(treeNode, true); } treeNode = zTree.addNodes(treeNode, { id: params[1], pid: pid, isParent: "true", name: params[2], editable: "true", treelevel: treelevel }); }); }
辦法一
將if (!((!treeNode && event.target.tagName.toLowerCase() != "button" && $(event.target).parents("a").length == 0) || treeNode.open)) { zTree.expandNode(treeNode, true); } treeNode = zTree.addNodes(treeNode, { id: params[1], pid: pid, isParent: "true", name: params[2], editable: "true", treelevel: treelevel });
if(!treeNode && event.target.tagName.toLowerCase() != "button" && $(event.target).parents("a").length == 0) { treeNode = zTree.addNodes(treeNode, { id: params[1], pid: pid, isParent: "true", name: params[2], editable: "true", treelevel: treelevel }); } else if(treeNode.open) { if(treeNode.isParent) { zTree.reAsyncChildNodes(treeNode, "refresh"); } else { treeNode.isParent=true; zTree.reAsyncChildNodes(treeNode, "refresh"); } } else { zTree.expandNode(treeNode, true); treeNode = zTree.addNodes(treeNode, { id: params[1], pid: pid, isParent: "true", name: params[2], editable: "true", treelevel: treelevel }); }
最優辦法
#似乎不用這麼麻煩吧?前兩天回答了類似的問題。 1、點擊新增子節點後,直接ajax 傳給後台保存數據,擷取success 事件2、ajax success 時,利用treeNode.zAsync 屬性就可以知道此父節點是否進行過異步加載,如果為false 那麼直接reAsyncChildNodes 刷新, 如果為true 那麼利用addN...if ((!treeNode && event.target.tagName.toLowerCase() != "button" && $(event.target).parents("a").length == 0) || treeNode.zAsync) treeNode = zTree.addNodes(treeNode, { id: params[1], pid: pid, isParent: "true", name: params[2], editable: "true", treelevel: treelevel }); else zTree.reAsyncChildNodes(treeNode, "refresh");
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