php实现单链表的实例代码
2013-03-22 00:00
826 查看
<?php //链表节点 class node { public $id; //节点id public $name; //节点名称 public $next; //下一节点 public function __construct($id, $name) { $this->id = $id; $this->name = $name; $this->next = null; } } //单链表 class singelLinkList { private $header; //链表头节点 //构造方法 public function __construct($id = null, $name = null) { $this->header = new node ( $id, $name, null ); } //获取链表长度 public function getLinkLength() { $i = 0; $current = $this->header; while ( $current->next != null ) { $i ++; $current = $current->next; } return $i; } //添加节点数据 public function addLink($node) { $current = $this->header; while ( $current->next != null ) { if ($current->next->id > $node->id) { break; } $current = $current->next; } $node->next = $current->next; $current->next = $node; } //删除链表节点 public function delLink($id) { $current = $this->header; $flag = false; while ( $current->next != null ) { if ($current->next->id == $id) { $flag = true; break; } $current = $current->next; } if ($flag) { $current->next = $current->next->next; } else { echo "未找到id=" . $id . "的节点!<br>"; } } //获取链表 public function getLinkList() { $current = $this->header; if ($current->next == null) { echo ("链表为空!"); return; } while ( $current->next != null ) { echo 'id:' . $current->next->id . ' name:' . $current->next->name . "<br>"; if ($current->next->next == null) { break; } $current = $current->next; } } //获取节点名字 public function getLinkNameById($id) { $current = $this->header; if ($current->next == null) { echo "链表为空!"; return; } while ( $current->next != null ) { if ($current->id == $id) { break; } $current = $current->next; } return $current->name; } //更新节点名称 public function updateLink($id, $name) { $current = $this->header; if ($current->next == null) { echo "链表为空!"; return; } while ( $current->next != null ) { if ($current->id == $id) { break; } $current = $current->next; } return $current->name = $name; } } $lists = new singelLinkList (); $lists->addLink ( new node ( 5, 'eeeeee' ) ); $lists->addLink ( new node ( 1, 'aaaaaa' ) ); $lists->addLink ( new node ( 6, 'ffffff' ) ); $lists->addLink ( new node ( 4, 'dddddd' ) ); $lists->addLink ( new node ( 3, 'cccccc' ) ); $lists->addLink ( new node ( 2, 'bbbbbb' ) ); $lists->getLinkList (); echo "<br>-----------删除节点--------------<br>"; $lists->delLink ( 5 ); $lists->getLinkList (); echo "<br>-----------更新节点名称--------------<br>"; $lists->updateLink ( 3, "222222" ); $lists->getLinkList (); echo "<br>-----------获取节点名称--------------<br>"; echo $lists->getLinkNameById ( 5 ); echo "<br>-----------获取链表长度--------------<br>"; echo $lists->getLinkLength (); ?>
相关文章推荐
- php实现单链表的实例代码
- php实现单链表的实例代码
- PHP数组实现单链表的具体代码分享
- php实现图片上传与文件上传的实现代码实例
- PHP实现Webservice的实例代码调用教程
- PHP实现微信支付功能开发+实例代码
- php单链表实现代码分享
- PHP中的traits实现代码复用使用实例
- php实现当前页面点击下载文件的实例代码
- php实现视频拍照上传头像功能实例代码
- 基于php&mysql实现聊天室功能的代码实例分享
- php+jquery+html实现点击不刷新加载更多的实例代码
- PHP实现微信申请退款流程实例代码
- 利用discuz实现PHP大文件上传应用实例代码
- php结合Ajax实现异步文件上传的代码实例
- PHP实现定时生成HTML网站首页实例代码
- php单链表实现代码分享
- PHP实现删除非站内外部链接实例代码
- PHP实现多条件查询实例代码
- PHP实现多条件查询实例代码