PHP分页类分享-php手册

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该php分页类的具体代码以及使用方法如下：

/***PHP分页类 **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 Pager{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;/***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"]:"page";$this->ajax_func_name=!empty($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 "".$text.""."";break;case "html" :$url=str_replace("?",$page,$this->parameter);return "".$text."";break;default :return "_get_url($page)."">".$text."";break;}}/***设置当前页面链接 */protected function _set_url(){$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){$return.="$i";}else{if($this->now_page-$i>=4&&$i!=1){$return.="...";$i=$this->now_page-3;}else{if($i>=$this->now_page+5&&$i!=$this->total_pages){$return.="...";$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){$return.="$i";}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 ";$return.="list_rows."" id="pageSize" size="3"> ";$return.=$this->first_page();$return.=$this->up_page();$return.=$this->down_page();$return.=$this->last_page();$return.="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.="".$i."";}else{$return.="".$i."";}}$return.="";return $return;}}

类使用示例：

###处理html静态化页面分页的情况#### method 处理环境 设置为 html# parameter 为静态页面参数  www.Alixixi.com/20-0-0-0-40-?.html 注意问号# ?问号的位置会自动替换为去向页码# now_page 当前页面(静态页面获取不到当前页面所以只有你传入)$params=array("total_rows"=>100,#(必须)"method"    =>"html",#(必须)"parameter" =>"www.Alixixi.com/20-0-0-0-40-?.html", #(必须)"now_page"  =>$_GET["p"], #(必须)"list_rows" =>10,#(可选) 默认为15);$page=new Pager($params);   echo $page->show(1);   #2###处理ajax分页的情况#### method 处理环境 设置为 ajax# ajax_func_name ajax分页跳转页面的javascript方法# parameter    ajax_func_name后面的附带参数 默认为空# now_page 不到当前页面所以只有你传入$params=array("total_rows"=>100,"method"    =>"ajax","ajax_func_name" =>"goToPage","now_page"  =>1,#"parameter" =>""jiong","username"",);$page=new Pager($params);echo $page->show(1);#7#添加了parameter6

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