下面由Laravel教程欄目給大家介紹Laravel Excel3.0導(dǎo)出方法，希望對(duì)需要的朋友有所幫助！

導(dǎo)出方法抽離：

<?php
namespace App\\Exports;
use Maatwebsite\\Excel\\Concerns\\FromCollection;
use Maatwebsite\\Excel\\Concerns\\ShouldAutoSize;
use Maatwebsite\\Excel\\Concerns\\WithColumnFormatting;
use Maatwebsite\\Excel\\Concerns\\WithCustomValueBinder;
use Maatwebsite\\Excel\\Concerns\\WithEvents;
use Maatwebsite\\Excel\\Concerns\\WithStrictNullComparison;
use Maatwebsite\\Excel\\Events\\AfterSheet;
use PhpOffice\\PhpSpreadsheet\\Cell\\StringValueBinder;
use PhpOffice\\PhpSpreadsheet\\Style\\NumberFormat;

class Export extends StringValueBinder implements FromCollection,
    ShouldAutoSize,WithColumnFormatting,WithCustomValueBinder,WithStrictNullComparison,WithEvents
{
    private $row;
    private $data;
    private $mergeCell;
    private $columnName;
    private $formatNumber;

    /*
     * $mergeCell $columnName ：合并單元格所需參數(shù);
     * $mergeCell 需要合并的位置數(shù)組以MAP形式存儲(chǔ) [開始行=>結(jié)束行]
     * $columnName 需要合并列 與合并行數(shù)結(jié)合使用ARRAY存儲(chǔ) ['A','B']
     */
    public function __construct($row,$data,$mergeCell=null,$columnName=null,$formatNumber=[])
    {
        $this->row = $row;
        $this->data = $data;
        $this->mergeCell = $mergeCell;
        $this->columnName = $columnName;
        $this->formatNumber = $formatNumber;
    }

    public function collection()
    {
        $row = $this->row;
        $data = $this->data;

//設(shè)置表頭
        foreach ($row[0] as $key => $value) {
            $key_arr[] = $key;
        }

//輸入數(shù)據(jù)
        foreach ($data as $key => &$value) {
            $js = [];
            for ($i=0; $i < count($key_arr); $i++) {
                $js = array_merge($js,[ $key_arr[$i] => $value[ $key_arr[$i] ] ]);
            }
            array_push($row, $js);
            unset($val);
        }
        return collect($row);
    }
    public function registerEvents(): array
    {
        // TODO: Implement registerEvents() method.
        if ($this->mergeCell && $this->columnName){
            return [
                AfterSheet::class => function(AfterSheet $event){
                    foreach ($this->columnName as $column){
                        foreach ($this->mergeCell as $key=>$value){
                            $event->sheet->getDelegate()->mergeCells($column.$key.':'.$column.$value);
                        }
                    }
                }
            ];
        }
        return [];
    }

    public function columnFormats(): array{
        $formatNumber = [];
        foreach ($this->formatNumber as $column){
            $formatNumber[$column] = NumberFormat::FORMAT_TEXT;
        }
        return $formatNumber;
    }
}

使用：

/*表頭表體都為二維數(shù)組*/
$row=[['row1'=>'列1','row2'=>'列2']];
/*與表頭key對(duì)應(yīng)，缺少數(shù)據(jù)報(bào)錯(cuò)*/
$list=[['row1'=>'行1列1'，'row2'=>'行1列2'],['row1'=>'行2列1'，'row2'=>'行2列2']];
/*將第一行到第三行，第五行到第七行的A,B,C列各自合并*/
$mergeCell=[1=>3,5=>7];
$columnName=["A","B","C"];
/*數(shù)字過(guò)長(zhǎng)的列轉(zhuǎn)換格式防止科學(xué)計(jì)數(shù)*/
$formatNumber=['A','B','C'];
//上方A,B,C列都為示意，根據(jù)自己需求調(diào)整，對(duì)應(yīng)EXCEL的列
return Excel::download(new Export($row,$list,$mergeCell,$columnName，$formatNumber),'fileName');

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