添加了几个自定义的 从mysql result 集合中 抽取指定片段的方法 ， 没有调用释放的原因 这个涉及到 程序的 原来校验
也多亏网上大神的帮助啊 。。。。 老系统害死人啊， 后台都不能动
复制代码 代码如下:
<?php
/* 分页类
* @author xiaojiong & 290747680@qq.com
* @date 2011-08-17
*
* show(2) 1 ... 62 63 64 65 66 67 68 ... 150
* 分页样式
* #page{font:12px/16px arial}
* #page span{float:left;margin:0px 3px;}
* #page a{float:left;margin:0 3px;border:1px solid #ddd;padding:3px 7px; text-decoration:none;color:#666}
* #page a.now_page,#page a:hover{color:#fff;background:#05c}
*/
class Core_Lib_Page
{
public $first_row; //起始行数
public $list_rows; //列表每页显示行数
protected $total_pages; //总页数
protected $total_rows; //总行数
protected $now_page; //当前页数
protected $method = "defalut"; //处理情况 Ajax分页 Html分页(静态化时) 普通get方式
protected $parameter = "";
protected $page_name; //分页参数的名称
protected $ajax_func_name;
public $plus = 3; //分页偏移量
protected $url;
public function get_page_result()
{
$lastResult = array();
$skipCount = $this->get_skip_row_count();
if(mysql_num_rows($result)>0)
{
mysql_data_seek($result,$skipCount);
}
$pageSize = $this->$list_rows;
while($row = mysql_fetch_array($result))
{
$pageSize --;
$lastResult[] = $row;
if($pageSize == 0)
{
break ;
}
}
return $lastResult;
}
public function get_skip_row_count()
{
return $this->list_rows*($this->now_page-1);
}
/**
* 构造函数
* @param unknown_type $data
*/
public function __construct($data = array())
{
$this->total_rows = $data["total_rows"];
$this->parameter = !empty($data["parameter"]) ? $data["parameter"] : "";
$this->list_rows = !empty($data["list_rows"]) && $data["list_rows"] <= 100 ? $data["list_rows"] : 15;
$this->total_pages = ceil($this->total_rows / $this->list_rows);
$this->page_name = !empty($data["page_name"]) ? $data["page_name"] : "p";
$this->ajax_func_name = !empty($data["ajax_func_name"]) ? $data["ajax_func_name"] : "";
$this->method = !empty($data["method"]) ? $data["method"] : "";
/* 当前页面 */
if(!empty($data["now_page"]))
{
$this->now_page = intval($data["now_page"]);
}else{
$this->now_page = !empty($_GET[$this->page_name]) ? intval($_GET[$this->page_name]):1;
}
$this->now_page = $this->now_page <= 0 ? 1 : $this->now_page;
if(!empty($this->total_pages) && $this->now_page > $this->total_pages)
{
$this->now_page = $this->total_pages;
}
$this->first_row = $this->list_rows * ($this->now_page - 1);
}
/**
* 得到当前连接
* @param $page
* @param $text
* @return string
*/
protected function _get_link($page,$text)
{
switch ($this->method) {
case "ajax":
$parameter = "";
if($this->parameter)
{
$parameter = ",".$this->parameter;
}
return "<a onclick="" . $this->ajax_func_name . "("" . $page . """.$parameter.")" href="javascript:void(0)">" . $text . "</a>" . "";
break;
case "html":
$url = str_replace("?", $page,$this->parameter);
return "<a href="" .$url . "">" . $text . "</a>" . "";
break;
default:
return "<a href="" . $this->_get_url($page) . "">" . $text . "</a>" . "";
break;
}
}
/**
* 设置当前页面链接
*/
protected function _set_url()
{
$url = $_SERVER["REQUEST_URI"].(strpos($_SERVER["REQUEST_URI"],"?")?"":"?").$this->parameter;
$parse = parse_url($url);
if(isset($parse["query"])) {
parse_str($parse["query"],$params);
unset($params[$this->page_name]);
$url = $parse["path"]."?".http_build_query($params);
}
if(!empty($params))
{
$url .= "&";
}
$this->url = $url;
}
/**
* 得到$page的url
* @param $page 页面
* @return string
*/
protected function _get_url($page)
{
if($this->url === NULL)
{
$this->_set_url();
}
// $lable = strpos("&", $this->url) === FALSE ? "" : "&";
return $this->url . $this->page_name . "=" . $page;
}
/**
* 得到第一页
* @return string
*/
public function first_page($name = "第一页")
{
if($this->now_page > 5)
{
return $this->_get_link("1", $name);
}
return "";
}
/**
* 最后一页
* @param $name
* @return string
*/
public function last_page($name = "最后一页")
{
if($this->now_page < $this->total_pages - 5)
{
return $this->_get_link($this->total_pages, $name);
}
return "";
}
/**
* 上一页
* @return string
*/
public function up_page($name = "上一页")
{
if($this->now_page != 1)
{
return $this->_get_link($this->now_page - 1, $name);
}
return "";
}
/**
* 下一页
* @return string
*/
public function down_page($name = "下一页")
{
if($this->now_page < $this->total_pages)
{
return $this->_get_link($this->now_page + 1, $name);
}
return "";
}
/**
* 分页样式输出
* @param $param
* @return string
*/
public function show($param = 1)
{
if($this->total_rows < 1)
{
return "";
}
$className = "show_" . $param;
$classNames = get_class_methods($this);
if(in_array($className, $classNames))
{
return $this->$className();
}
return "";
}
protected function show_2()
{
if($this->total_pages != 1)
{
$return = "";
$return .= $this->up_page("<");
for($i = 1;$i<=$this->total_pages;$i++)
{
if($i == $this->now_page)
{
$return .= "<a class="now_page">$i</a>";
}
else
{
if($this->now_page-$i>=4 && $i != 1)
{
$return .="<span class="pageMore">...</span>";
$i = $this->now_page-3;
}
else
{
if($i >= $this->now_page+5 && $i != $this->total_pages)
{
$return .="<span>...</span>";
$i = $this->total_pages;
}
$return .= $this->_get_link($i, $i) . "";
}
}
}
$return .= $this->down_page(">");
return $return;
}
}
protected function show_1()
{
$plus = $this->plus;
if( $plus + $this->now_page > $this->total_pages)
{
$begin = $this->total_pages - $plus * 2;
}else{
$begin = $this->now_page - $plus;
}
$begin = ($begin >= 1) ? $begin : 1;
$return = "";
$return .= $this->first_page();
$return .= $this->up_page();
for ($i = $begin; $i <= $begin + $plus * 2;$i++)
{
if($i>$this->total_pages)
{
break;
}
if($i == $this->now_page)
{
$return .= "<a class="now_page">$i</a>";
}
else
{
$return .= $this->_get_link($i, $i) . "";
}
}
$return .= $this->down_page();
$return .= $this->last_page();
return $return;
}
protected function show_3()
{
$plus = $this->plus;
if( $plus + $this->now_page > $this->total_pages)
{
$begin = $this->total_pages - $plus * 2;
}else{
$begin = $this->now_page - $plus;
}
$begin = ($begin >= 1) ? $begin : 1;
$return = "总计 " .$this->total_rows. " 个记录分为 " .$this->total_pages. " 页, 当前第 " . $this->now_page . " 页 ";
$return .= ",每页 ";
$return .= "<input type="text" value="".$this->list_rows."" id="pageSize" size="3"> ";
$return .= $this->first_page()."";
$return .= $this->up_page()."";
$return .= $this->down_page()."";
$return .= $this->last_page()."";
$return .= "<select onchange="".$this->ajax_func_name."(this.value)" id="gotoPage">";
for ($i = $begin;$i<=$begin+10;$i++)
{
if($i>$this->total_pages)
{
break;
}
if($i == $this->now_page)
{
$return .= "<option selected="true" value="".$i."">".$i."</option>";
}
else
{
$return .= "<option value="" .$i. "">" .$i. "</option>";
}
}
$return .= "</select>";
return $return;
}
}
?>