ZZCX_yii/common/components/zPhpExcel.php

<?php
/**
 * Created by PhpStorm.
 * User: wangxj
 * Date: 2017/5/31
 * Time: 10:50
 */

/**
 * @property string $file_name
 */

namespace common\components;
require_once '../../backend/common/PHPExcel/PHPExcel.php';

class zPhpExcel extends \PHPExcel
{
    public $file_name;

    //输出到浏览器
    public function output()
    {
        $objWrite = \PHPExcel_IOFactory::createWriter($this, 'Excel5');  //按照指定格式生成excel文件
        $this->browserExport('07', $this->file_name . '.xls');
        $objWrite->save('php://output');
    }

    //head头
    private function browserExport($type, $fileName)
    {
        if ($type == '05') {    //输出xls文件
            header('Content-Type: application/vnd.ms-excel');
        } else {    //输出xlsx文件
            header('Content-Type: application/vnd.openxmlformats-officedocument.spreadsheetml.sheet');
        }
        header('Content-Disposition: attachment;filename="' . $fileName . '"');
        header('Cache-Control: max-age=0');//禁止缓存
    }

    //设置自动宽度，中文支持的不好，基本不能用
    public function setAutoSize($range)
    {
        foreach ($range as $columnID) {
            $this->getActiveSheet()->getColumnDimension($columnID)
                ->setAutoSize(true);
        }
    }

    //手动设置宽度 一个中文对应3  “出车日期”  4*3 12
    public function setColumnSize($range, $width)
    {
        foreach ($range as $key => $columnID) {
            $this->getActiveSheet()->getColumnDimension($columnID)
                ->setWidth($width[$key]);
        }
    }
}