1、先上图,看下实现效果
2、整类实现
class Page { private $total; //总数量 private $limit; //返回mysql的limit语句 private $pageStart; //开始的数值 private $pageStop; //结束的数值 private $pageNumber; //显示分页数字的数量 private $page; //当前页 private $pageSize; //每页显示的数量 private $pageToatl; //分页的总数量 private $pageParam; //分页变量 private $uri; //URL参数 /** * 分页设置样式 不区分大小写 * %pageToatl% //总页数 * %page% //当前页 * %pageSize% //当前页显示数据条数 * %pageStart% //本页起始条数 * %pageStop% //本页结束条数 * %total% //总数据条数 * %first% //首页 * %ending% //尾页 * %up% //上一页 * %down% //下一页 * %F% //起始页 * %E% //结束页 * %omitFA% //前省略加跳转 * %omitEA% //后省略加跳转 * %omitF% //前省略 * %omitE% //后省略 * %numberF% //固定数量的数字分页 * %numberD% //左右对等的数字分页 * %input% //跳转输入框 * %GoTo% //跳转按钮 */ private $pageType = '<span class="pageher">第%page%页/共%pageToatl%页</span>%first%%up%%F%%omitFA%%numberF%%omitEA%%E%%down%%ending%'; //显示值设置 private $pageShow = array('first'=>'首页','ending'=>'尾页','up'=>'上一页','down'=>'下一页','GoTo'=>'GO'); /** * 初始化数据,构造方法 * @access public * @param int $total 数据总数量 * @param int $pageSize 每页显示条数 * @param int $pageNumber 分页数字显示数量(使用%numberF%和使用%numberD%会有不同的效果) * @param string $pageParam 分页变量 * @return void */ public function __construct($total,$pageSize=10,$pageNumber=5,$pageParam='p'){ $this->total = $total<0?0:$total; $this->pageSize = $pageSize<0?0:$pageSize; $this->pageNumber = $pageNumber<0?0:$pageNumber; $this->pageParam = $pageParam; $this->calculate(); } /** * 显示分页 * @access public * @return string HTML分页字符串 */ public function pageShow(){ //$this->uri(); if($this->pageToatl>1){ if($this->page == 1){ $first = '<span class="disabled">'.$this->pageShow['first'].'</span>'; $up = '<span class="disabled">'.$this->pageShow['up'].'</span>'; }else{ $first = '<a href="'.$this->uri.'&'.$this->pageParam.'=1">'.$this->pageShow['first'].'</a>'; $up = '<a href="'.$this->uri.'&'.$this->pageParam.'='.($this->page-1).'">'.$this->pageShow['up'].'</a>'; } if($this->page >= $this->pageToatl){ $ending = '<span class="disabled">'.$this->pageShow['ending'].'</span>'; $down = '<span class="disabled">'.$this->pageShow['down'].'</span>'; }else{ $ending = '<a href="'.$this->uri.'&'.$this->pageParam.'='.$this->pageToatl.'">'.$this->pageShow['ending'].'</a>'; $down = '<a href="'.$this->uri.'&'.$this->pageParam.'='.($this->page+1).'">'.$this->pageShow['down'].'</a>'; } $input = '<input type="text" value="'.$this->page.'" onkeydown="javascript: if(event.keyCode==13){var value = parseInt(this.value); var page=(value>'.$this->pageToatl.') ? '.$this->pageToatl.' : value; location=\''.$this->uri.'&'.$this->pageParam.'=\'+page+\'\'; return false;}">'; $GoTo = '<button onclick="javascript:var value=parseInt(this.previousSibling.value); var page=(value>'.$this->pageToatl.') ? '.$this->pageToatl.' : value; location=\''.$this->uri.'&'.$this->pageParam.'=\'+page+\'\'; return false;">'.$this->pageShow['GoTo'].'</button>'; }else{ $first = '';$up ='';$ending = '';$down = '';$input = '';$GoTo = ''; } $this->numberF(); return str_ireplace(array('%pageToatl%','%page%','%pageSize%','%pageStart%','%pageStop%','%total%','%first%','%ending%','%up%','%down%','%input%','%GoTo%'),array($this->pageToatl,$this->page,$this->pageStop-$this->pageStart,$this->pageStart,$this->pageStop,$this->total,$first,$ending,$up,$down,$input,$GoTo),$this->pageType); } /** * 数字分页 */ private function numberF(){ $pageF = stripos($this->pageType,'%numberF%'); $pageD = stripos($this->pageType,'%numberD%'); $numberF = '';$numberD = '';$F = '';$E ='';$omitF = '';$omitFA = '';$omitE = '';$omitEA = ''; if($pageF!==false || $pageD!==false){ if($pageF!==false){ $number = $this->pageNumber%2==0?$this->pageNumber/2:($this->pageNumber+1)/2; $DStart = $this->page - $number<0?$this->page - $number-1:0; if($this->page+$number-$DStart > $this->pageToatl){ $DStop = ($this->page+$number-$DStart) - $this->pageToatl; $forStop = $this->pageToatl+1; }else{ $DStop = 0; $forStop = $this->page+$number-$DStart+1; } $forStart = $this->page-$number-$DStop<1?1:$this->page-$number-$DStop; for($i=$forStart;$i<$forStop;++$i){ if($i==$this->page){ $numberF .= '<span class="current">'.$i.'</span>'; }else{ $numberF .= '<a href="'.$this->uri.'&'.$this->pageParam.'='.$i.'">'.$i.'</a>'; } } } if($pageD!==false){ $number = $this->pageNumber; $forStart = $this->page-$number>0?$this->page-$number:1; $forStop = $this->page+$number>$this->pageToatl?$this->pageToatl+1:$this->page+$number+1; for($i=$forStart;$i<$this->page;++$i){ $numberD .= '<a href="'.$this->uri.'&'.$this->pageParam.'='.$i.'">'.$i.'</a>'; } $numberD .= '<span class="current">'.$this->page.'</span>'; $start = $this->page+1; for($i=$start;$i<$forStop;++$i){ $numberD .= '<a href="'.$this->uri.'&'.$this->pageParam.'='.$i.'">'.$i.'</a>'; } } $F = $forStart>1?'<a href="'.$this->uri.'&'.$this->pageParam.'=1">1</a>':''; $E = $forStop<$this->pageToatl+1?'<a href="'.$this->uri.'&'.$this->pageParam.'='.$this->pageToatl.'">'.$this->pageToatl.'</a>':''; if($forStart>2){ $omitF = '<span class="omit">…</span>'; $startA = $this->page-$number<1?1:$this->page-$number; $omitFA = '<a class="omit" href="'.$this->uri.'&'.$this->pageParam.'='.$startA.'">…</a>'; } if($forStop<$this->pageToatl){ $omitE = '<span class="omit">…</span>'; $stopA = $this->page+$number>$this->pageToatl?$this->pageToatl:$this->page+$number; $omitEA = '<a class="omit" href="'.$this->uri.'&'.$this->pageParam.'='.$stopA.'">…</a>'; } } $this->pageType = str_ireplace(array('%F%','%E%','%omitFA%','%omitEA%','%omitF%','%omitE%','%numberF%','%numberD%'),array($F,$E,$omitFA,$omitEA,$omitF,$omitE,$numberF,$numberD),$this->pageType); } /** * 处理url的方法 * @access public * @param array $url 保持URL直对关系数组 * @return string 过滤后的url尾参数 */ private function uri(){ $url = $_SERVER["REQUEST_URI"]; $par = parse_url($url); if (isset($par['query'])) { parse_str($par['query'],$query); if(!is_array($this->uri)){ $this->uri = array(); } array_merge($query,$this->uri); unset($query[$this->pageParam]); while($key = array_search('',$query)){ unset($query[$key]); } $this->uri = $par['path'].'?'.http_build_query($query); }else{ $this->uri = $par['path'].'?'; } } /** * 设置limit方法及计算起始条数和结束条数 */ private function calculate(){ $this->pageToatl = ceil($this->total/$this->pageSize); $this->page = intval(@$_GET[$this->pageParam]); $this->page = $this->page>=1?$this->page>$this->pageToatl?$this->pageToatl:$this->page:1; $this->pageStart = ($this->page-1)*$this->pageSize; $this->pageStop = $this->pageStart+$this->pageSize; $this->pageStop = $this->pageStop>$this->total?$this->total:$this->pageStop; $this->limit = $this->pageStart.','.$this->pageStop; } /** * 设置过滤器 */ public function __set($name,$value){ switch($name){ case 'pageType': case 'uri': $this->$name = $value; return; case 'pageShow': if(is_array($value)){ $this->pageShow = array_merge($this->pageShow,$value); } return; } } /** * 取值过滤器 */ public function __get($name){ switch($name){ case 'limit': case 'pageStart': case 'pageStop': return $this->$name; default: return; } } }
3、演示地址: 查看demo地址