### :-: **phpExcel类**
> 首先安装： composer require phpoffice/phpexcel
*****
### 使用
`
/**
* @throws \PHPExcel_Reader_Exception
* @throws \PHPExcel_Writer_Exception
* @author: LuckyHhy <jackhhy520@qq.com>
* @date: 2020/3/17 0017
* @name: export
* @describe:文章导出
*/
public function export(){
$ids=$this->request->param("id");
if ($ids=="all"){
$list=$this->model->order("create_time desc")->select();
}else{
$list=$this->model->where('id',"in",$ids)->order("create_time desc")->select();
}
if (empty($list)){
$this->redirect(url("article/index"));exit;
}
$arr=[];
foreach ($list as $v){
$c=CategoryService::get($v['category_id'])['name'];
$arr[]=[
$v['title'],$c,$v['keywords'],$v['description'],$this->domain."/".$v['image_url'],
$this->domain."/".$v['url'],$v['author'],$v['source'],$v['hits'],$v['comment_num']
];
}
Excel::setExcelHeader(['文章标题','分类','关键词','文章描述','首图地址','链接地址','作者','来源','点击量','评论量'])
->setExcelTile('文章列表数据', '文章数据',date('Y-m-d H:i:s',time()))
->setExcelContent($arr)
->ExcelSave();
}
}
`
`
~~~
<?php
// +----------------------------------------------------------------------
// | Created by PHPstorm: JRKAdmin框架 [ JRKAdmin ]
// +----------------------------------------------------------------------
// | Copyright (c) 2019~2022 [LuckyHHY] All rights reserved.
// +----------------------------------------------------------------------
// | SiteUrl: http://www.luckyhhy.cn
// +----------------------------------------------------------------------
// | Author: LuckyHhy <jackhhy520@qq.com>
// +----------------------------------------------------------------------
// | Date: 2020/3/17-17:13
// +----------------------------------------------------------------------
// | Description:
// +----------------------------------------------------------------------
namespace Jrk;
class Excel
{
//PHPExcel实例化对象
private static $PHPExcel = null;
//表头计数
protected static $count;
//表头占行数
protected static $topNumber = 3;
//表能占据表行的字母对应self::$cellkey
protected static $cells;
//表头数据
protected static $data = [];
//文件名
protected static $title = '导出';
//行宽
protected static $where = 20;
//行高
protected static $height = 50;
//表行名
private static $cellKey = array(
'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M',
'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z',
'AA', 'AB', 'AC', 'AD', 'AE', 'AF', 'AG', 'AH', 'AI', 'AJ', 'AK', 'AL', 'AM',
'AN', 'AO', 'AP', 'AQ', 'AR', 'AS', 'AT', 'AU', 'AV', 'AW', 'AX', 'AY', 'AZ'
);
//设置style
private static $styleArray = array(
'borders' => array(
'allborders' => array(
// PHPExcel_Style_Border里面有很多属性，想要其他的自己去看
// 'style' => \PHPExcel_Style_Border::BORDER_THICK,//边框是粗的
// 'style' => \PHPExcel_Style_Border::BORDER_DOUBLE,//双重的
// 'style' => \PHPExcel_Style_Border::BORDER_HAIR,//虚线
// 'style' => \PHPExcel_Style_Border::BORDER_MEDIUM,//实粗线
// 'style' => \PHPExcel_Style_Border::BORDER_MEDIUMDASHDOT,//虚粗线
// 'style' => \PHPExcel_Style_Border::BORDER_MEDIUMDASHDOTDOT,//点虚粗线
'style' => \PHPExcel_Style_Border::BORDER_THIN,//细边框
//'color' => array('argb' => 'FFFF0000'),
),
),
'font' => [
'bold' => true
],
'alignment' => [
'horizontal' => \PHPExcel_Style_Alignment::HORIZONTAL_CENTER,
'vertical' => \PHPExcel_Style_Alignment::VERTICAL_CENTER
]
);
/**
*初始化PHPExcel类
* @param $data array()
* @param $fun function()
* return
*/
private static function initialize($data, $fun)
{
self::$PHPExcel = new \PHPExcel();
if ($fun !== null && is_callable($fun)) {
self::$styleArray = $fun();
}$code=0;$msg='data 为数组';
if (!is_array($data)) exit(json_encode(compact('code', 'msg')));
self::$data = $data;
}
/**
* @param $title
* @return false|string
* @author: LuckyHhy <jackhhy520@qq.com>
* @date: 2020/3/17
* @name: setUtf8
* @describe:设置字体格式
*/
public static function setUtf8($title)
{
return iconv('utf-8', 'gb2312', $title);
}
/**
* @param null $list
* @return $this
* @author: LuckyHhy <jackhhy520@qq.com>
* @date: 2020/3/17
* @name: setExcelContent
* @describe: 特殊处理：合并单元格需要先对数据进行处理
*/
public function setExcelContent($list = null)
{
$sheet = self::$PHPExcel->getActiveSheet();
foreach (self::$data as $key => $val) {
$row = self::$cellKey[$key];
$sheet->getColumnDimension($row)->setWidth(isset($val['w']) ? $val['w'] : self::$where);
$sheet->setCellValue($row . self::$topNumber, isset($val['name']) ? $val['name'] : $val);
}
$cellkey = array_slice(self::$cellKey, 0, self::$count);
if ($list !== null && is_array($list)) {
foreach ($cellkey as $k => $v) {
foreach ($list as $key => $val) {
if (isset($val[$k]) && !is_array($val[$k])) {
$sheet->setCellValue($v . (self::$topNumber + 1 + $key), $val[$k]);
} else if (isset($val[$k]) && is_array($val[$k])) {
$str = '';
foreach ($val[$k] as $value) {
$str .= $value . chr(10);
}
$sheet->setCellValue($v . (self::$topNumber + 1 + $key), $str);
}
}
}
$sheet->getDefaultRowDimension()->setRowHeight(self::$height);
//设置边框
$sheet->getStyle('A1:' . self::$cells . (count($list) + self::$topNumber))->applyFromArray(self::$styleArray);
//设置自动换行
$sheet->getStyle('A4:' . self::$cells . (count($list) + self::$topNumber))->getAlignment()->setWrapText(true);
} else if ($list !== null && is_callable($list)) {
$list($sheet, self::$topNumber, $cellkey, self::$cells)->applyFromArray(self::$styleArray);
}
return $this;
}
/**
* @throws \PHPExcel_Reader_Exception
* @throws \PHPExcel_Writer_Exception
* @author: LuckyHhy <jackhhy520@qq.com>
* @date: 2020/3/17
* @name: ExcelSave
* @describe:保存表格数据，并下载
*/
public function ExcelSave()
{
$objWriter = \PHPExcel_IOFactory::createWriter(self::$PHPExcel, 'Excel2007');
$filename = self::$title . '--' . time() . '.xlsx';
ob_end_clean();
header('Content-Type: application/vnd.ms-excel');
header('Content-Type: application/octet-stream');
header('Content-Disposition: attachment; filename="' . $filename . '"');
header('Cache-Control: max-age=0');
$objWriter->save('php://output');
exit;
}
/**
* @param $data
* @param null $fun
* @return Excel
* @author: LuckyHhy <jackhhy520@qq.com>
* @date: 2020/3/17
* @name: setExcelHeader
* @describe:设置头部信息
*/
public static function setExcelHeader($data, $fun = null)
{
self::initialize($data, $fun);
if (self::$count = count(self::$data)) {
if (self::$count > count(self::$cellKey)) {
$code=0;$msg='表头过长';
exit(json_encode(compact('code', 'msg')));
}
self::$cells = self::$cellKey[self::$count - 1];
} else {
$code=0;$msg='data 参数二不能为空';
exit(json_encode(compact('code', 'msg')));
}
return new self;
}
/**
* 设置标题
* @param $title string || array ['title'=>'','name'=>'','info'=>[]]
* @param $Name string
* @param $info string || array;
* @param $funName function($style,$A,$A2) 自定义设置头部样式
* @return $this
*/
public function setExcelTile($title = '', $Name = '', $info = [], $funName = null)
{
//设置参数
if (is_array($title)) {
if (isset($title['title'])) $title = $title['title'];
if (isset($title['name'])) $Name = $title['name'];
if (isset($title['info'])) $info = $title['info'];
}
if (empty($title))
$title = self::$title;
else
self::$title = $title;
if (empty($Name)) $Name = time();
//设置Excel属性
self::$PHPExcel->getProperties()
->setCreator("Neo")
->setLastModifiedBy("Neo")
->setTitle(self::setUtf8($title))
->setSubject($Name)
->setDescription("")
->setKeywords($Name)
->setCategory("");
self::$PHPExcel->getActiveSheet()->setCellValue('A1', $title);
//文字居中
self::$PHPExcel->getActiveSheet()->getStyle('A1')->getAlignment()->setHorizontal(\PHPExcel_Style_Alignment::HORIZONTAL_CENTER);
self::$PHPExcel->getActiveSheet()->getStyle('A2')->getAlignment()->setHorizontal(\PHPExcel_Style_Alignment::HORIZONTAL_CENTER);
self::$PHPExcel->setActiveSheetIndex(0);
self::$PHPExcel->getActiveSheet()->setTitle($Name);
self::$PHPExcel->getActiveSheet()->setCellValue('A2', self::setCellInfo($info));
//合并表头单元格
self::$PHPExcel->getActiveSheet()->mergeCells('A1:' . self::$cells . '1');
self::$PHPExcel->getActiveSheet()->mergeCells('A2:' . self::$cells . '2');
self::$PHPExcel->getActiveSheet()->getRowDimension(1)->setRowHeight(40);
self::$PHPExcel->getActiveSheet()->getRowDimension(2)->setRowHeight(20);
//设置表头行高
if ($funName !== null && is_callable($funName)) {
$fontstyle = self::$PHPExcel->getActiveSheet();
$funName($fontstyle, 'A1', 'A2');
} else {
//设置表头字体
self::$PHPExcel->getActiveSheet()->getStyle('A1')->getFont()->setName('黑体');
self::$PHPExcel->getActiveSheet()->getStyle('A1')->getFont()->setSize(20);
self::$PHPExcel->getActiveSheet()->getStyle('A1')->getFont()->setBold(true);
self::$PHPExcel->getActiveSheet()->getStyle('A2')->getFont()->setName('宋体');
self::$PHPExcel->getActiveSheet()->getStyle('A2')->getFont()->setSize(14);
}
self::$PHPExcel->getActiveSheet()->getStyle('A3:' . self::$cells . '3')->getFont()->setBold(true);
return $this;
}
/**
* 设置第二行标题内容
* @param $info array (['name'=>'','site'=>'','phone'=>123] || ['我是表名','我是地址','我是手机号码'] ) || string 自定义
* @return string
*/
private static function setCellInfo($info)
{
$content = ['操作者：', '导出日期：' . date('Y-m-d', time()), '地址：', '电话：'];
if (is_array($info) && !empty($info)) {
if (isset($info['name'])) {
$content[0] .= $info['name'];
} else {
$content[0] .= isset($info[0]) ? $info[0] : '';
}
if (isset($info['site'])) {
$content[2] .= $info['site'];
} else {
$content[2] .= isset($info[1]) ? $info[1] : '';
}
if (isset($info['phone'])) {
$content[3] .= $info['phone'];
} else {
$content[3] .= isset($info[2]) ? $info[2] : '';
}
return implode(' ', $content);
} else if (is_string($info)) {
return empty($info) ? implode(' ', $content) : $info;
}
}
}
~~~
`
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