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How to implement a singly linked list during the development process of python (code)
How to implement a singly linked list during the development process of python (code)
Sep 15, 2018 am 09:33 AM
This article introduces how to implement a singly linked list. I hope you will learn patiently.? ? ? ? ?
//節(jié)點(diǎn)class node{
//初始化變量,包括存儲(chǔ)的內(nèi)容 和 下一個(gè)數(shù)據(jù)的指針
public $id = 0; public $data = ''; public $next = null; //構(gòu)造函數(shù),設(shè)置存儲(chǔ)內(nèi)容的數(shù)據(jù)
public function __construct($id, $data)
{
$this->id = $id;
$this->data = $data;
}
}//單鏈表
class singelLinkList{
private $header;
//鏈表頭節(jié)點(diǎn)
//添加節(jié)點(diǎn)數(shù)據(jù)
public function addLink($id = null, $name = null)
{
$node = new node ($id, $name);
$current = $this->header;
if (!$current) {
$this->header = $node;
} else {
# 鏈表頭插
$node->next = $current;
$this->header = $node;
# 鏈表尾插
/*# 循環(huán)，獲取對(duì)象中最后一個(gè)元素
while ($current->next != null) {
$current = $current->next;
}
# 最后一個(gè)元素的next指針指向$node
$current->next = $node;*/
}
} public function delLink($id = null, $name = null)
{
$current = $this->header; # 循環(huán)
while ($current->next != null) {
# 查找待刪除元素 $delCurrent 的上一個(gè)元素
if ($current->next->id == $id) {
$delCurrent = $current->next;
# 查找待刪除元素 $delCurrent 的下一個(gè)元素
$current->next = $delCurrent->next;
# 刪除元素 $delCurrent
$delCurrent = null;
break;
}
$current = $current->next;
}
}
}$lists = new singelLinkList();
$lists->addLink(1, 'aaaaaa');
$lists->addLink(2, 'bbbbbb');
$lists->addLink(3, 'cccccc');
$lists->addLink(4, 'dddddd');
$lists->addLink(5, 'eeeeee');
$lists->delLink(4);echo '<pre class="brush:php;toolbar:false">';
print_r($lists);The above is the detailed content of How to implement a singly linked list during the development process of python (code). For more information, please follow other related articles on the PHP Chinese website!
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