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效果預(yù)期

手風(fēng)琴展開效果：節(jié)點(diǎn)展開同時(shí)關(guān)閉其他已展開的同級(jí)節(jié)點(diǎn)

具體實(shí)現(xiàn)

因?yàn)槭枪?jié)點(diǎn)展開，所以在實(shí)現(xiàn)具體效果的回調(diào)方法在于

callback: {	onExpand: zTreeOnExpand}//鼠標(biāo)點(diǎn)擊function zTreeOnClick(event, treeId, treeNode){	//過濾查找同級(jí)    const treeNodes = treeObj.getNodesByFilter(function(node){        return (node.parentCode == treeNode.parentCode)    })    for(var item of treeNodes){    	if(item.code != treeNode.code){    		//關(guān)閉同級(jí)節(jié)點(diǎn)    		treeObj.expandNode(item, false, true, false,true);    	  }    }}