<?php
class
Page{
private
$total;
// 总共有多少条记录
private
$pagenum;
// 分成多少页
private
$pagesize;
// 每页多少条记录
private
$current;
// 当前所在的页数
private
$url;
// url
private
$first;
// 首页
private
$last;
// 末页
private
$prev;
// 上一页
private
$next;
// 下一页
/**
* 构造函数
*
@access
public
*
@param
$total number 总的记录数
*
@param
$pagesize number 每页的记录数
*
@param
$current number 当前所在页
*
@param
$script string 当前请求的脚本名称,默认为空
*
@param
$params array url所携带的参数,默认为空
*/
public
function
__construct(
$total,
$pagesize,
$current,
$script =
'',
$params =
array()){
$this->
total =
$total;
$this->
pagesize =
$pagesize;
$this->
pagenum =
$this->
getNum();
$this->
current =
$current;
//设置url
$p =
array();
foreach (
$params as
$k =>
$v) {
$p[] =
"
$k
=
$v
";
}
$this->
url =
$script .
'&' .
implode(
'&',
$p) .
'&page=';
$this->
first =
$this->
getFirst();
$this->
last =
$this->
getLast();
$this->
prev =
$this->
getPrev();
$this->
next =
$this->
getNext();
}
private
function
getNum(){
return
ceil(
$this->
total /
$this->
pagesize);
}
private
function
getFirst(){
if (
$this->
current ==
1) {
return
'[首页]';
}
else {
return
"<a href='{
$this->
url
}1'>[首页]<a/>";
}
}
private
function
getLast(){
if (
$this->
current ==
$this->
pagenum) {
return
'末页';
}
else {
return
"<a href='{
$this->
url
}{
$this->
pagenum
}'>[末页]</a>";
}
}
private
function
getPrev(){
if (
$this->
current ==
1) {
return
'[上一页]';
}
else {
return
"<a href='{
$this->
url
}".(
$this->
current -
1).
"'>[上一页]</a>";
}
}
private
function
getNext(){
if (
$this->
current ==
$this->
pagenum ){
return
'[下一页]';
}
else {
return
"<a href='{
$this->
url
}".(
$this->
current+
1).
"'>[下一页]</a>";
}
}
/**
* getPage方法，得到分页信息
*
@access
public
*
@return
string
分页信息字符串
*/
public
function
showPage(){
if (
$this->
pagenum >
1){
return
"共有 {
$this->
total
} 条记录,每页显示 {
$this->
pagesize
} 条记录， 当前为 {
$this->
current
}/{
$this->
pagenum
} {
$this->
first
} {
$this->
prev
} {
$this->
next
} {
$this->
last
}";
}
else{
return
"共有 {
$this->
total
} 条记录";
}
}
}
//使用：配合mysql操作类一起使用
/*
$total = $db->total();
$pagesize = 3;
$current = isset($_REQUEST['page']) ? $_REQUEST['page'] : 1;
$offset = ($current - 1) * $pagesize;
$rows = $db->getAll("SELECT * FROM category limit $offset,$pagesize" );
$page = new page($total,$pagesize,$current,'test.php',array('goods_id'=>2));
$str = "<table width='400' border='1'>";
$str .= "<tr><th>编号</th><th>名称</th><th>父编号</th></tr>";
foreach ($rows as $v) {
$str .= '<tr>';
$str .= "<td>{$v['cat_id']}</td>";
$str .= "<td>{$v['cat_name']}</td>";
$str .= "<td>{$v['parent_id']}</td>";
$str .= '</tr>';
}
$str .= "</table>";
echo $str;
echo $page->showPage();
*/
$umodel=
new
UserModel(
'user');
$this->
library(
'Page');
//载入分类类
$total=
count(
$umodel->
getAllUser());
//获取总条数
$pagesize =
10;
//每页显示的条数
$current =
isset(
$_REQUEST[
'page']) ?
$_REQUEST[
'page'] :
1;
//当前页
$offset = (
$current -
1) *
$pagesize;
//边界
$cpage =
$umodel->
getPage(
"
SELECT
*
FROM
cz_user
limit
$offset
,
$pagesize
" );
//获取数据
$page =
new
page(
$total,
$pagesize,
$current,
'index.php?p=admin&c=user&a=index',
array(
'goods_id'=>
2));
//创建对象
$p=
$page->
showPage();
//打印分页到页面 echo
include CUR_VIEW_PATH .
"user_list.html";