js实现双向链表互联网机顶盒实战应用实现实现双向链表互联网机顶盒实战应用实现
上实战代码:
linkedlistnode.js 节点类
代码如下:
/*
* 链表节点
*/
Dare.LinkedListNode = function () {
this.data = null;//数据域
this.prev = null;//前驱
this.next = null;//后驱
};
Dare.extend(Dare.LinkedListNode, Dare);
Dare.LinkedListNode.prototype.getValue = function () {
return this.data;
};
Dare.LinkedListNode.prototype.setValue = function (obj) {
this.data = obj;
};
Dare.LinkedListNode.prototype.getPrev = function () {
return this.prev;
};
Dare.LinkedListNode.prototype.setPrev = function (node) {
this.prev = node;
};
Dare.LinkedListNode.prototype.getNext = function () {
return this.prev;
};
Dare.LinkedListNode.prototype.setNext = function (node) {
this.prev = node;
};
linkedlist.js 链表类
代码如下:
/*
* 双向链表
*/
Dare.LinkedList = function () {
this.head = null;
this.current = null;
this.tail = null;
this.length = 0;
};
Dare.extend(Dare.LinkedList, Dare);
/*
* 尾插法添加节点
*/
Dare.LinkedList.prototype.appendNode = function (node) {
if (this == null) return;
if (node == null) return;
var tail = this.tail;
if (tail == null) {
this.tail = this.head = node;
}
else {
tail.next = node;
node.prev = tail;
this.tail = node;
}
this.length++;
};
/*
* 删除节点
*/
Dare.LinkedList.prototype.moveNode = function (node) {
if (this == null) return;