php分页类代码资料

php分页类代码<?php/**PHP分页类*@packagePage*@Created2013-03-27*@Modify2013-03-27*@link*Example:$myPage=newPager(1300,intval($CurrentPage));$pageStr=$my>GetPagerContent();echo$pageStr;*/classPager{private$pageSize=10;private$pageIndex;private$totalNum;private$totalPagesCount;private$pageUrl;privatestatic$_instance;publicfunction__construct($p_totalNum,$p_pageIndex,$p_pageSize=10,$p_initNum=3,$p_initMaxNum=5){if(!isset($p_totalNum)||!isset($p_pageIndex)){die("pagerinitialerror");}$this->totalNum=$p_totalNum;$this->pageIndex=$p_pageIndex;$this->pageSize=$p_pageSize;$this->initNum=$p_initNum;$this->initMaxNum=$p_initMaxNum;$this->totalPagesCount=ceil($p_totalNum/$p_pageSize);$this->pageUrl=$this->_getPageUrl();$this->_initPagerLegal();}/***获取去除page部分的当前URL字符串**@returnStringURL字符串*/privatefunction_getPageUrl(){$CurrentUrl=$_SERVER["REQUEST_URI"];$arrUrl=parse_url($CurrentUrl);$urlQuery=$arrUrl["query"];if($urlQuery){$urlQuery=ereg_replace("(^|&)page=".$this->pageIndex,"",$urlQuery);$CurrentUrl=str_replace($arrUrl["query"],$urlQuery,$CurrentUrl);if($urlQuery){$CurrentUrl.="&page";}else$CurrentUrl.="page";}else{$CurrentUrl.="?page";}return$CurrentUrl;}/**设置页面参数合法性*@returnvoid*/privatefunction_initPagerLegal(){if((!is_numeric($this->pageIndex))||$this->pageIndex<1){$this->pageIndex=1;}elseif($this->pageIndex>$this->totalPagesCount){$this->pageIndex=$this->totalPagesCount;}}//$this->pageUrl}={$i}//{$this->CurrentUrl}={$this->TotalPages}publicfunctionGetPagerContent(){$str="<divclass=\"Pagination\">";//首页上一页if($this->pageIndex==1){$str.="<ahref='javascript:void(0)'class='tips'title='首页'>首页</a>"."\n";$str.="<ahref='ript:void(0)'class='tips'title='上一页'>上一页</a>"."\n"."\n";}else{$str.="<ahref='{$this->pageUrl}=1'class='tips'title='首页'>首页</a>"."\n";$str.="<ahref='{$this->pageUrl}=".($this->pageIndex-1)."'class='tips'title='上一页'>上一页</a>"."\n"."\n";}/*除首末后页面分页逻辑*///10页（含）以下$currnt="";if($this->totalPagesCount<=10){for($i=1;$i<=$this->totalPagesCount;$i++){if($i==$this->pageIndex){$currnt="class='current'";}else{$currnt="";}$str.="<ahref='{$this->pageUrl}={$i}'{$currnt}>$i</a>"."\n";}}else//10页以上{if($this->pageIndex<3)//当前页小于3{for($i=1;$i<=3;$i++){if($i==$this->pageIndex){$currnt="class='current'";}else{$currnt="";}$str.="<ahref='{$this->pageUrl}={$i}'{$currnt}>$i</a>"."\n";}$str.="<spanclass=\"dot\">……</span>"."\n";for($i=$this->totalPagesCount-3+1;$i<=$this->totalPagesCount;$i++)//功能1{$str.="<ahref='{$this->pageUrl}={$i}'>$i</a>"."\n";}}elseif($this->pageIndex<=5)//5>=当前页>=3{for($i=1;$i<=($this->pageIndex+1);$i++){if($i==$this->pageIndex){$currnt="class='current'";}else{$currnt="";}$str.="<ahref='{$this->pageUrl}={$i}'{$currnt}>$i</a>"."\n";}$str.="<spanclass=\"dot\">……</span>"."\n";for($i=$this->totalPagesCount-3+1;$i<=$this->totalPagesCount;$i++)//功能1{$str.="<ahref='{$this->pageUrl}={$i}'>$i</a>"."\n";}}elseif(5<$this->pageIndex&&$this->pageIndex<=$this->totalPagesCount-5)//当前页大于5，同时小于总页数-5{for($i=1;$i<=3;$i++){$str.="<ahref='{$this->pageUrl}={$i}'>$i</a>"."\n";}$str.="<spanclass=\"dot\">……</span>";for($i=$this->pageIndex-1;$i<=$this->pageIndex+1&&$i<=$this->totalPagesCount-5+1;$i++){if($i==$this->pageIndex){$currnt="class='current'";}else{$currnt="";}$str.="<ahref='{$this->pageUrl}={$i}'{$currnt}>$i</a>"."\n";}$str.="<spanclass=\"dot\">……</span>";for($i=$this->totalPagesCount-3+1;$i<=$this->totalPagesCount;$i++){$str.="<ahref='{$this->pageUrl}={$i}'>$i</a>"."\n";}}else{for($i=1;$i<=3;$i++){$str.="<ahref='{$this->pageUrl}={$i}'>$i</a>"."\n";}$str.="<spanclass=\"dot\">……</span>"."\n";for($i=$this->totalPagesCount-5;$i<=$this->totalPagesCount;$i++)//功能1{if($i==$this->pageIndex){$currnt="class='current'";}else{$currnt="";}$str.="<ahref='{$this->pageUrl}={$i}'{$currnt}>$i</a>"."\n";}}}/*除首末后页面分页逻辑结束*///下一页末页if($this->pageIndex==$this->totalPagesCount){$str.="\n"."<ahref='ja