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php数字分页类代码(仿百度分页效果)

$conn=mysql教程_connect("localhost","root","");
$db=mysql_select_db("gan");
 mysql_query("set names 'gbk'");
?>
<!doctype html public "-//w3c//dtd xhtml 1.0 transitional//en" "http://www.w3.org/tr/xhtml1/dtd/xhtml1-transitional.dtd">
<html xmlns="http://www.phprm.com/1999/xhtml">
<head>
<meta http-equiv="content-type" content="text/html; charset=gb2312" />
<title>无标题文档</title>
</head>

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字符串截取代码

 function my_sub_str($string, $sublen, $start)
 {
  $pa = "/fdddd";
  preg_match_all($pa, $string, $t_string);

  if(count($t_string[0]) - $start > $sublen) return join('', array_slice($t_string[0], $start, $sublen))."...";
  return join('', array_slice($t_string[0], $start, $sublen));
 }

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php分页代码

 class page extends mysql
 {
  public $page;
  public $page_size;
  private $table;
  private $condition;
  private $limit;
  private $href;
  private $action_value;
  private $url_value;
 //分页初始化

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php 模拟用户POST GET源代码

if(function_exists('curl_init'))
{
  $ch = curl_init();
  curl_setopt($ch, curlopt_url, $url_with_get);
  curl_setopt($ch, curlopt_post, 1);
  curl_setopt($ch, curlopt_postfields, $post);
  curl_setopt($ch, curlopt_returntransfer, true);
  $result = curl_exec($ch);
  curl_close($ch);
}
else
{
  $content = http_build_query($post)
  $content_length = strlen($content);
  $context =
  array('http' =>
array('method' => 'post',
'user_agent' => $user_agent,
'header' => 'content-type: ' . $content_type . " " .
'content-length: ' . $content_length,
'content' => $content));
$context_id = stream_context_create($context);
$sock = fopen($url_with_get, 'r', false, $context_id);
$result = '';
if ($sock)
  {
    while (!feof($sock))
  $result .= fgets($sock, 4096);
  fclose($sock);
}
return $result;
}
}

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ajax简单与ajax+php实例应用(1/4)

[ajax介绍]

  ajax是使用客户端脚本与web服务器交换数据的web应用开发方法。web页面不用打断交互流程进行重新加裁,就可以动态地更新。使用ajax,用户可以创建接近本地桌面应用的直接、高可用、更丰富、更动态的web用户界面。

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