自己写的一个分页类 ，不是很完整，个别没有做验证，但可以使用，分页效果见文章底部。除了链接数据库的代码没有粘贴上来，其他的都粘贴了。供学习使用～
1 pageSize = $pageSize; 19 $this->showPage = $showPage; 20 $this->count = $count; 21 $this->page = $this->checkPage($currentPage); 22 $this->mergyStr = ''; 23 $this->skip = $skip; 24 } 25 26 //检查传递的$page的合法性 27 public function checkPage($currentPage) { 28 if($currentPage < 1 || empty($currentPage)) { 29 $currentPage = 1; 30 } 31 if($currentPage > $this->totalPages()) { 32 $currentPage = $this->totalPages(); 33 } 34 return $currentPage; 35 } 36 37 //计算偏移量 38 public function pageOffset() { 39 return ($this->showPage-1)/2; 40 } 41 42 //计算总页数 43 public function totalPages() { 44 return ceil($this->count/$this->pageSize); 45 } 46 47 //获取页面URL 48 public function getPageUrl() { 49 $CurrentUrl = $_SERVER["REQUEST_URI"]; 50 $arrUrl = parse_url($CurrentUrl); 51 $urlQuery = $arrUrl["query"]; 52 53 if($urlQuery){ 54 //print_r($this->page); 55 $urlQuery = preg_replace("/(^|&)page=/" . $this->page, "", $urlQuery); 56 $CurrentUrl = str_replace($arrUrl["query"], $urlQuery, $CurrentUrl); 57 58 if($urlQuery){ 59 $CurrentUrl.="&page"; 60 } 61 else $CurrentUrl.="page"; 62 63 } else { 64 $CurrentUrl.="?page"; 65 } 66 67 return $CurrentUrl; 68 } 69 70 //页码显示行 71 public function GetPagerContent() { 72 $start = 1; 73 $end = $this->totalPages(); 74 $this->mergyStr .= ""; 75 if($this->page > 1) { 76 $this->mergyStr .= " 首页"; 77 $this->mergyStr .= " 上一页"; 78 }else{ 79 $this->mergyStr .= " 首页"; 80 $this->mergyStr .= " 上一页"; 81 } 82 83 if($this->totalPages() > $this->showPage) { 84 if($this->page > $this->pageoffset()+1) { 85 $this->mergyStr .= "..."; 86 } 87 88 if($this->page > $this->pageoffset()) { 89 $start = $this->page-$this->pageoffset(); 90 $end = $this->totalPages() > $this->page+$this->pageoffset() ? $this->page+$this->pageoffset() : $this->totalPages(); 91 } 92 else{ 93 $start = 1; 94 $end = $this->totalPages() > $this->showPage ? $this->showPage : $this->totalPages(); 95 } 96 97 if($this->page + $this->pageoffset() > $this->totalPages()) { 98 $start = $start - ($this->page + $this->pageoffset() - $end); 99 }100 101 }102 103 for($i=$start; $i<=$end; $i++) {104 if($i == $this->page) {105 $this->mergyStr .= "{$i}";106 }else{107 $this->mergyStr .= " {$i}";108 }109 110 }111 112 if($this->totalPages() > $this->showPage && $this->totalPages() > $this->page + $this->pageoffset()) {113 $this->mergyStr .= "...";114 }115 116 if($this->page < $this->totalPages()) {117 $this->mergyStr .= " 下一页";118 $this->mergyStr .= " 尾页";119 }else{120 $this->mergyStr .= " 下一页";121 $this->mergyStr .= " 尾页";122 }123 124124 $this->mergyStr .= " 共{$this->totalPages()}页";125 126 //显示跳转框127 if($this->skip == true) {128 $this->mergyStr .= $this->skipNumPage();129 }130 131 $this->mergyStr .= "";132 133 print_r($this->mergyStr);134 }135 136 //跳转页137 public function skipNumPage() {138 $this->mergyStr .= "";142 }143 144 } 上面是类文件的所有代码，以下是调用实例：
";echo "";while($rs = mysql_fetch_assoc($query)) { echo " follow_trade_id follow_id ";}echo "";//读取分页条$p->GetPagerContent(); {$rs['follow_trade_id']} {$rs['follow_id']}
样式CSS:
效果如图所示：
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