ztree选父不选子选子不选父

var setting = {
            data: {
                simpledata: {
                    enable: true
                }
            }
            ,check: {
                enable: true
                , chkstyle: 'checkbox'
                //,chkboxtype:{ "y": "", "n": "" }
            }
            ,callback:{
                oncheck:function(e,treeid, treenode){
                    if(treeid == "treedemo") {
                        var ztreeobj = $.fn.ztree.getztreeobj(treeid);
                        optparorson(treeid, treenode,ztreeobj);
                    }
                }
            }
        };

//获取所有子节点
	    var getchildsbytreenode = function(treenode,childsarr){
	    	var childsarr = childsarr || [];
	    	if (treenode.isparent) {//是父节点则获取所有子节点
	    		var childs = treenode.children;
	    		for(var i in childs){
		        	childsarr.push(childs[i]);
		        	getchildsbytreenode(childs[i],childsarr);
	        	}
	    	}
	    	return childsarr;
	    };
	    
	    //获取所有父节点
	    var getparsbytreenode = function(treenode,parsarr){
	    	var parsarr = parsarr || [];
	    	var parnode = treenode.getparentnode();
	    	if(parnode){
	    		parsarr.push(parnode);
	    		getparsbytreenode(parnode,parsarr);
	    	}
	    	return parsarr;
	    }

　　

/**
         * 选父不选子，选子不选父
         * */
        var optparorson = function(treeid,treenode,ztreeobj){
            if(treenode.checked){
                //取消全部后代节点的选中
                var childnodes = getchildsbytreenode(treenode);
                for(var i in childnodes){
                    ztreeobj.checknode(childnodes[i], false, false);
                }
                //同时全部祖先节点也不能被选中
                if(treenode.getparentnode()){
                    var parnodes = getparsbytreenode(treenode);
                    for(var i in parnodes){
                        ztreeobj.checknode(parnodes[i], false, false);
                    }
                }
            }
        };