php 简单分页类

<?php

	class Fenye{

		//public $pageNo;		//页码 当前页码
		public $pageSize;	//每页显示多少少数据
		public $pageCount;	//总页数
		public $totalCount;	//总的数据条数
		public $pageUrl;	//页面URL


		function __construct($totalCount, $pageSize, $pageUrl){

			$this->totalCount = $totalCount;
			$this->pageSize   = $pageSize;
			$this->pageUrl    = $pageUrl;
			//计算总的页数
			$this->pageCount = ceil($totalCount / $pageSize);

		}

		//显示分页
		function showFenye($pageNo){

			//按总页数判断输出页码
			// 1 2 3 4 5 6 7 8 9 10 11 12
			//总页数不大于11条时
			if($this->pageCount <= 11){

				echo "<ul>";
				echo "<li><a href='".$this->pageUrl."'>第一页</li>";

				for($i = 1; $i <= $this->pageCount; $i++){

					echo "<li><a href='".$this->pageUrl."?pageNo=".$i."'>".$i."</a></li>";

				}

				echo "<li><a href='".$this->pageUrl."?pageNo=".$this->pageCount."'>最后一页</li>";
				echo "</ul>";

			}else{

				//当页数大于11条时
				//---------------------------------
				if($pageNo <= 6){

					echo "<ul>";
					echo "<li><a href='".$this->pageUrl."'>第一页</li>";

					for($i = 1; $i <= 11; $i++){

						echo "<li><a href='".$this->pageUrl."?pageNo=".$i."'>".$i."</a></li>";

					}

					echo "<li><a href='".$this->pageUrl."?pageNo=".$this->pageCount."'>最后一页</li>";
					echo "</ul>";

				}

				if($this->pageCount - $pageNo <=6){

					echo "<ul>";
					echo "<li><a href='".$this->pageUrl."'>第一页</li>";

					for($i = $this->pageCount - 11; $i <= $this->pageCount ; $i++){

						echo "<li><a href='".$this->pageUrl."?pageNo=".$i."'>".$i."</a></li>";

					}

					echo "<li><a href='".$this->pageUrl."?pageNo=".$this->pageCount."'>最后一页</li>";
					echo "</ul>";

				}

				if($pageNo > 6 && $pageNo < $this->pageCount - 6){

					echo "<ul>";
					echo "<li><a href='".$this->pageUrl."'>第一页</li>";

					for($j = $pageNo - 5; $j <= $pageNo + 5; $j++){

						echo "<li><a href='".$this->pageUrl."?pageNo=".$j."'>".$j."</a></li>";
					}

					echo "<li><a href='".$this->pageUrl."?pageNo=".$this->pageCount."'>最后一页</li>";
					echo "</ul>";

				}

			}
			/*---------------------------------------------------------------------------
			echo "<ul>";
			echo "<li><a href='".$this->pageUrl."'>第一页</li>";

			for($i = 1; $i <= $this->pageCount; $i++){

				echo "<li><a href='".$this->pageUrl."?pageNo=".$i."'>".$i."</a></li>";

			}

			echo "<li><a href='".$this->pageUrl."?pageNo=".$this->pageCount."'>最后一页</li>";
			echo "</ul>";
			*/
		}

	}


?>