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php 页面分页样式 示例
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<?php
class SubPages { private $each_disNums; //每页显示的条目数
private $nums; //总条目数
private $current_page; //当前被选中的页
private $sub_pages; //每次显示的页数
private $pageNums; //总页数
private $page_array = array(); //用来构造分页的数组
private $subPage_link; //每个分页的链接
private $subPage_type; //显示分页的类型 /*
construct是SubPages的构造函数,用来在创建类的时候自动运行.
@$each_disNums 每页显示的条目数 自定义一个变量赋值为页数:$page = 2;
@nums 总条目数 (统计表中要查找的记录数)
@current_num 当前被选中的页(在subpage_link这个参数中传输一个值:Messageshow.php?cur_page=,在接收页面接收)
@sub_pages 每次显示的页数(每次显示的页数=总条目数/每页显示的条目数)
@subPage_link 每个分页的链接(显示这些记录的页面)
@subPage_type 显示分页的类型
当@subPage_type=1的时候为普通分页模式
example: 共4523条记录,每页显示10条,当前第1/453页 [首页] [上页] [下页] [尾页]
当@subPage_type=2的时候为经典分页样式
example: 当前第1/453页 [首页] [上页] 1 2 3 4 5 6 7 8 9 10 [下页] [尾页]
*/ function __construct($each_disNums, $nums, $current_page, $sub_pages, $subPage_link, $subPage_type) {
$this->each_disNums = intval($each_disNums);
$this->nums = intval($nums);
if (!$current_page) {
$this->current_page = 1;
} else {
$this->current_page = intval($current_page);
}
$this->sub_pages = intval($sub_pages);
$this->pageNums = ceil($nums / $each_disNums);
$this->subPage_link = $subPage_link;
$this->show_SubPages($subPage_type);
//echo $this->pageNums."--".$this->sub_pages;
} /*
__destruct析构函数,当类不在使用的时候调用,该函数用来释放资源。
*/ function __destruct() {
//释放变量
unset($each_disNums);
unset($nums);
unset($current_page);
unset($sub_pages);
unset($pageNums);
unset($page_array);
unset($subPage_link);
unset($subPage_type);
} /*
show_SubPages函数用在构造函数里面。而且用来判断显示什么样子的分页
*/ function show_SubPages($subPage_type) {
if ($subPage_type == 1) {
$this->subPageCss1();
} elseif ($subPage_type == 2) {
$this->subPageCss2();
}
} /* 用来给建立分页的数组初始化的函数。
*/ function initArray() {
for ($i = 0; $i < $this->sub_pages; $i++) {
$this->page_array[$i] = $i;
} return $this->page_array;
} /* construct_num_Page该函数使用来构造显示的条目
* 即使:[1][2][3][4][5][6][7][8][9][10]
*/ function construct_num_Page() {
if ($this->pageNums < $this->sub_pages) {
$current_array = array();
for ($i = 0; $i < $this->pageNums; $i++) {
$current_array[$i] = $i + 1;
}
} else {
$current_array = $this->initArray();
if ($this->current_page <= 3) {
for ($i = 0; $i < count($current_array); $i++) {
$current_array[$i] = $i + 1;
}
} elseif ($this->current_page <= $this->pageNums && $this->current_page > $this->pageNums - $this->sub_pages + 1) {
for ($i = 0; $i < count($current_array); $i++) {
$current_array[$i] = ($this->pageNums) - ($this->sub_pages) + 1 + $i;
}
} else {
for ($i = 0; $i < count($current_array); $i++) {
$current_array[$i] = $this->current_page - 2 + $i;
}
}
} return $current_array;
} /* 构造普通模式的分页
* 共4523条记录,每页显示10条,当前第1/453页 [首页] [上页] [下页] [尾页]
*
*/ function subPageCss1() {
$subPageCss1Str = "";
$subPageCss1Str.="共" . $this->nums . "条记录,";
$subPageCss1Str.="每页显示" . $this->each_disNums . "条,";
$subPageCss1Str.="当前第" . $this->current_page . "/" . $this->pageNums . "页 ";
if ($this->current_page > 1) {
$firstPageUrl = $this->subPage_link . "1";
$prewPageUrl = $this->subPage_link . ($this->current_page - 1);
$subPageCss1Str.="[<a href='$firstPageUrl'>首页</a>] ";
$subPageCss1Str.="[<a href='$prewPageUrl'>上一页</a>] ";
} else {
$subPageCss1Str.="[首页] ";
$subPageCss1Str.="[上一页] ";
} if ($this->current_page < $this->pageNums) {
$lastPageUrl = $this->subPage_link . $this->pageNums;
$nextPageUrl = $this->subPage_link . ($this->current_page + 1);
$subPageCss1Str.=" [<a href='$nextPageUrl'>下一页</a>] ";
$subPageCss1Str.="[<a href='$lastPageUrl'>尾页</a>] ";
} else {
$subPageCss1Str.="[下一页] ";
$subPageCss1Str.="[尾页] ";
} echo $subPageCss1Str;
} /*
* 构造经典模式的分页
* 当前第1/453页 [首页] [上页] 1 2 3 4 5 6 7 8 9 10 [下页] [尾页]
*/ function subPageCss2() {
$subPageCss2Str = "共有".$this->nums."条记录 ";
$subPageCss2Str.="当前第" . $this->current_page . "/" . $this->pageNums . "页 ";
if ($this->current_page > 1) {
$firstPageUrl = $this->subPage_link . "1";
$prewPageUrl = $this->subPage_link . ($this->current_page - 1);
$subPageCss2Str.="[<a href='$firstPageUrl'>首页</a>] ";
$subPageCss2Str.="[<a href='$prewPageUrl'>上一页</a>] ";
} else {
$subPageCss2Str.="[首页] ";
$subPageCss2Str.="[上一页] ";
} $a = $this->construct_num_Page();
for ($i = 0; $i < count($a); $i++) {
$s = $a[$i];
if ($s == $this->current_page) {
$subPageCss2Str.="[<span style='color:red;font-weight:bold;'>" . $s . "</span>]";
} else {
$url = $this->subPage_link . $s;
$subPageCss2Str.="[<a href='$url'>" . $s . "</a>]";
}
} if ($this->current_page < $this->pageNums) {
$lastPageUrl = $this->subPage_link . $this->pageNums;
$nextPageUrl = $this->subPage_link . ($this->current_page + 1);
$subPageCss2Str.=" [<a href='$nextPageUrl'>下一页</a>] ";
$subPageCss2Str.="[<a href='$lastPageUrl'>尾页</a>] ";
} else {
$subPageCss2Str.="[下一页] ";
$subPageCss2Str.="[尾页] ";
} echo $subPageCss2Str;
} }
?>