thinkphp自定义分页

thinkphp5.1有很方便的分页类,用render方法即可渲染分页的html代码

但"<<"的上一页和">>"这样的的下一页有时无法满足项目多变的需求,有必要自己定义分页的显示,比如

首页 上一页 1 2 3 ... 7 8 下一页 末页

这样,然而官方的手册并没有提到自定义分页样式的方法,我开始也只是简单的把分页的html替换成上一页下一页的文字

后来又搜到可以自己定义一个类来完成这个需求,首先需要在config目录创建paginate.php,文件内容

<?php
return [
'type'=>'appindexpagergcudPager'//自己的分页类可以随便放,只要命名空间写对
];

然后复制"项目目录 hinkphplibrary hinkpaginatordriverBootstrap.php"到一个任意位置,改改命名空间,把paginate.php的type改成相应的命名空间,比如我就把文件复制到了"项目目录applicationindexpagergcudPager.php",上面的type也是和这个路径对应的,然后把命名空间改成了"appindexpager",对应的类名改成了gcudPager,这样就可以自行定义分页的形式了

首页的实现我是按照上一页来的,复制它的代码,略加修改

 /**首页按钮
 * @param string $text
 * @return string
 */
 protected function GetFirstButton($text='首页'){
 if ($this->currentPage() <= 1) {
 return $this->getDisabledTextWrapper($text);
 }
 $url = $this->url(1);

 return $this->getPageLinkWrapper($url, $text);
 }

逻辑很简单,就是判断下当前页数,手动把页数变量设置为1,同理可以复制下一页的代码改成末页

 /**末页按钮
 * @param string $text
 * @return string
 */
 protected function GetLastButton($text='末页'){
 if (!$this->hasMore) {
 return $this->getDisabledTextWrapper($text);
 }
 $url = $this->url($this->lastPage());

 return $this->getPageLinkWrapper($url, $text);
 }

其它上一页下一页也就是改个文本太简单不说,render函数部分需要把首页和末页按钮加进来

 /**
 * 渲染分页html
 * @return mixed
 */
 public function render()
 {
 if ($this->hasPages()) {
 if ($this->simple) {
 return sprintf(
 '<ul class="pager">%s %s</ul>',
 $this->getPreviousButton(),
 $this->getNextButton()
 );
 } else {
 return sprintf(
 '<div class="page-captions">%s %s %s %s %s</div>',
 $this->GetFirstButton(),
 $this->getPreviousButton(),
 $this->getLinks(),
 $this->getNextButton(),
 $this->GetLastButton()
 );
 }
 }
 }

这样就弄完了,调用部分完全不用改,最后放上完整代码

<?php
// +----------------------------------------------------------------------
// | ThinkPHP [ WE CAN DO IT JUST THINK ]
// +----------------------------------------------------------------------
// | Copyright (c) 2006~2018 http://thinkphp.cn All rights reserved.
// +----------------------------------------------------------------------
// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
// +----------------------------------------------------------------------
// | Author: zhangyajun <4401948@qq.com>
// +----------------------------------------------------------------------

namespace appindexpager;

use thinkPaginator;

class gcudPager extends Paginator
{
 /**首页按钮
 * @param string $text
 * @return string
 */
 protected function GetFirstButton($text='首页'){
 if ($this->currentPage() <= 1) {
 return $this->getDisabledTextWrapper($text);
 }
 $url = $this->url(1);

 return $this->getPageLinkWrapper($url, $text);
 }
 /**
 * 上一页按钮
 * @param string $text
 * @return string
 */
 protected function getPreviousButton($text = "上一页")
 {

 if ($this->currentPage() <= 1) {
 return $this->getDisabledTextWrapper($text);
 }

 $url = $this->url(
 $this->currentPage() - 1
 );

 return $this->getPageLinkWrapper($url, $text);
 }
 /**末页按钮
 * @param string $text
 * @return string
 */
 protected function GetLastButton($text='末页'){
 if (!$this->hasMore) {
 return $this->getDisabledTextWrapper($text);
 }
 $url = $this->url($this->lastPage());

 return $this->getPageLinkWrapper($url, $text);
 }
 /**
 * 下一页按钮
 * @param string $text
 * @return string
 */
 protected function getNextButton($text = '下一页')
 {
 if (!$this->hasMore) {
 return $this->getDisabledTextWrapper($text);
 }

 $url = $this->url($this->currentPage() + 1);

 return $this->getPageLinkWrapper($url, $text);
 }

 /**
 * 页码按钮
 * @return string
 */
 protected function getLinks()
 {
 if ($this->simple) {
 return '';
 }

 $block = [
 'first' => null,
 'slider' => null,
 'last' => null,
 ];

 $side = 3;
 $window = $side * 2;

 if ($this->lastPage < $window + 6) {
 $block['first'] = $this->getUrlRange(1, $this->lastPage);
 } elseif ($this->currentPage <= $window) {
 $block['first'] = $this->getUrlRange(1, $window + 2);
 $block['last'] = $this->getUrlRange($this->lastPage - 1, $this->lastPage);
 } elseif ($this->currentPage > ($this->lastPage - $window)) {
 $block['first'] = $this->getUrlRange(1, 2);
 $block['last'] = $this->getUrlRange($this->lastPage - ($window + 2), $this->lastPage);
 } else {
 $block['first'] = $this->getUrlRange(1, 2);
 $block['slider'] = $this->getUrlRange($this->currentPage - $side, $this->currentPage + $side);
 $block['last'] = $this->getUrlRange($this->lastPage - 1, $this->lastPage);
 }

 $html = '';

 if (is_array($block['first'])) {
 $html .= $this->getUrlLinks($block['first']);
 }

 if (is_array($block['slider'])) {
 $html .= $this->getDots();
 $html .= $this->getUrlLinks($block['slider']);
 }

 if (is_array($block['last'])) {
 $html .= $this->getDots();
 $html .= $this->getUrlLinks($block['last']);
 }

 return $html;
 }

 /**
 * 渲染分页html
 * @return mixed
 */
 public function render()
 {
 if ($this->hasPages()) {
 if ($this->simple) {
 return sprintf(
 '<ul class="pager">%s %s</ul>',
 $this->getPreviousButton(),
 $this->getNextButton()
 );
 } else {
 return sprintf(
 '<div class="page-captions">%s %s %s %s %s</div>',
 $this->GetFirstButton(),
 $this->getPreviousButton(),
 $this->getLinks(),
 $this->getNextButton(),
 $this->GetLastButton()
 );
 }
 }
 }

 /**
 * 生成一个可点击的按钮
 *
 * @param string $url
 * @param int $page
 * @return string
 */
 protected function getAvailablePageWrapper($url, $page)
 {
 return '<a href="' . htmlentities($url) . '">' . $page . '</a>';
 }

 /**
 * 生成一个禁用的按钮
 *
 * @param string $text
 * @return string
 */
 protected function getDisabledTextWrapper($text)
 {
 return '<a>' . $text . '</a>';
 }

 /**
 * 生成一个激活的按钮
 *
 * @param string $text
 * @return string
 */
 protected function getActivePageWrapper($text)
 {
 return '<span>' . $text . '</span>';
 }

 /**
 * 生成省略号按钮
 *
 * @return string
 */
 protected function getDots()
 {
 return $this->getDisabledTextWrapper('...');
 }

 /**
 * 批量生成页码按钮.
 *
 * @param array $urls
 * @return string
 */
 protected function getUrlLinks(array $urls)
 {
 $html = '';

 foreach ($urls as $page => $url) {
 $html .= $this->getPageLinkWrapper($url, $page);
 }

 return $html;
 }

 /**
 * 生成普通页码按钮
 *
 * @param string $url
 * @param int $page
 * @return string
 */
 protected function getPageLinkWrapper($url, $page)
 {
 if ($this->currentPage() == $page) {
 return $this->getActivePageWrapper($page);
 }

 return $this->getAvailablePageWrapper($url, $page);
 }
}

推荐教程：thinkphp教程