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ztree中获取选中节点下的所有叶子节点
var setting = { 
    data: { 
        simpleData: { 
            enable: true
        } 
    }, 
    callback: { 
        onClick: treenodeClick 
    } 
};
//点击树节点,获取节点的所有叶子节点id
function treenodeClick(event, treeId, treeNode, clickFlag) { 
    //此处treeNode 为当前节点 
     var str =‘‘ ; 
     if(treeNode.isParent){
         str = getAllChildrenNodes(treeNode,str);
     }else{
         str=treeNode.id;
     }
     alert(str); //所有叶子节点ID 
}
//使用了递归,得到叶子节点的数据
function getAllChildrenNodes(treeNode,result){ 
    if (treeNode.isParent) { 
      var childrenNodes = treeNode.children; 
      if (childrenNodes) { 
          for (var i = 0; i < childrenNodes.length; i++) { 
           if(childrenNodes[i].isParent){
            result = getAllChildrenNodes(childrenNodes[i], result); 
           }else{
            result += ‘,‘ + childrenNodes[i].id; 
           }
          } 
      } 
  } 
  return result; 
}
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原文地址:http://my.oschina.net/u/1450300/blog/389482