SQL查询错误:在执行SQL查询时,可能会遇到语法错误或查询错误。可以使用mysqli_query()函数执行查询,并通过mysqli_error()函数获取错误信息。$sql = "SELECT * FROM table_name"; $result = mysqli_query($conn, $sql); if (!$result) { die("查询错误: " . mysqli_error($conn)); } 复制代码预处理...
$data = QueryList::get('http://www.baidu.com/s?wd=QueryList') // 设置采集规则 ->rules([ 'title'=>array('h3','text'), 'link'=>array('h3>a','href') ]) ->query()->getData(); print_r($data->all()); 采集结果: Array ( [0] => Array ( [title] => QueryList|基于phpQ...
cc'; return $baseUrl.$content; }], 'text' => ['h2>a','text']])->range('.cate_list li')->query()->getData();//打印结果print_r($data->all());全貌 正如你看到的那样，使用QueryList做采集只需要编写采集规则即可！<?php/** * 下面来完整的演示采集一篇文章页的文章标题、发布...
])->range('.cate_list li')->query()->getData(); 代码语言:txt AI代码解释 //打印结果 代码语言:txt AI代码解释 print_r($data->all()); 全貌 正如你看到的那样,使用QueryList做采集只需要编写采集规则即可! 代码语言:txt AI代码解释 <?php 代码语言:txt AI代码解释 /** 代码语言:txt AI代码解释 ...
('http://cms.querylist.cc/google/list_1.html')->rules(['link'=>['h2>a','href','',function($content){//利用回调函数补全相对链接$baseUrl='http://cms.querylist.cc';return$baseUrl.$content;}],'text'=>['h2>a','text']])->range('.cate_list li')->query()->getData();//打印...
$path='/movielist/all/'.$page.'.html'; $rules=['link'=> ['.lazy','href'],'img'=> ['.title>h5>a','src'],'name'=> ['.lazy','title'],'score'=> ['.score','html'],'actor'=> ['.subtitle','html'], ]; $data= QueryList::Query($this->url . $path, $rules)->data...
$data = QueryList::Query('http:///google/list_1.html',array( 'link' => array('h2>a','href','',function($content){ //利用回调函数补全相对链接 $baseUrl = 'http://'; return $baseUrl.$content; })),'.cate_list li')->data; ...
$data = QueryList::Query($html, ['h3' => ['h3', 'text']], 'ul > li')->data; //递归多级DOM解析 $data = QueryList::Query($html, ['h3' => ['h3', 'text'], 'list' => ['.list', 'html']], 'ul > li')->getData(function($item){ ...
php use QL\QueryList; use QL\Contracts\Plugin\Pluggable; class AttrGetter implements Pluggable { protected $ql; public static function install(QueryList $queryList,...$opt) { $queryList->bind('attr',function($attr){ return $this->ql->find('*')->attrs($attr); }); } } QueryList::plugi...
Qlist的使用文档: http://doc.querylist.cc/site/index/doc/3 先看看代码:public function actionIndex(){ header("Content-type:text/html;charset=utf-8"); Includes('Query/QueryList.php');Includes('Query/phpQuery.php'); $option = array( "title"=>array('.liebiao h1','text'), 'money'=>arr...