PHP导出excel CSV(前后分离)

CSV优势：导入导出速度快

　　缺点：不能倒入图片等

一、前后分离，给前端url

public function excel()
    {
        //头部字段
        $headlist = ['name'=>'名字','score'=>'得分'];

        //主体内容
        $data = [
            ['name' => '张三', 'score' => '80'],
            ['name' => '李四', 'score' => '90'],
            ['name' => '王五', 'score' => '60'],
        ];

        $fileName = "导出表格.csv";
        $file_path = "uploads/csv/";
        if (!file_exists($file_path)) {
            mkdir($file_path, 0777, true);
        }
        $file_path = "/uploads/csv/" . $fileName;
        $fp        = fopen("." . $file_path, "w");

        //输出Excel列名信息
        foreach ($headlist as $key => $value) {
            //CSV的Excel支持GBK编码，一定要转换，否则乱码
            $headlist[$key] = iconv('utf-8', 'gbk', $value);
        }

        //将数据通过fputcsv写到文件句柄
        fputcsv($fp, $headlist);

        //计数器
        $num = 0;

        //每隔$limit行，刷新一下输出buffer，不要太大，也不要太小
        $limit = 100000;

        //逐行取出数据，不浪费内存
        $count = count($data);
        for ($i = 0; $i < $count; $i++) {

            $num++;

            //刷新一下输出buffer，防止由于数据过多造成问题
            if ($limit == $num) {
                ob_flush();
                flush();
                $num = 0;
            }

            $row = $data[$i];
            foreach ($row as $key => $value) {
                $row[$key] = iconv('utf-8', 'gbk', $value);
            }

            fputcsv($fp, $row);
        }
        return ["code" => 1, "msg" => "获取成功", "url" => $_SERVER['HTTP_HOST'] . $file_path];
    }

二、直接输出浏览器

    public function excel(){
        //头部字段
        $headlist = ['name'=>'名字','score'=>'得分'];

        //主体内容
        $data = [
            ['name' => '张三', 'score' => '80'],
            ['name' => '李四', 'score' => '90'],
            ['name' => '王五', 'score' => '60'],
        ];
        $fileName = '导出';
        header('Content-Type: application/vnd.ms-excel');
        header('Content-Disposition: attachment;filename="'.$fileName.'.csv"');
        header('Cache-Control: max-age=0');

        //打开PHP文件句柄,php://output 表示直接输出到浏览器
        $fp = fopen('php://output', 'a');

        //输出Excel列名信息
        foreach ($headlist as $key => $value) {
            //CSV的Excel支持GBK编码，一定要转换，否则乱码
            $headlist[$key] = iconv('utf-8', 'gbk', $value);
        }

        //将数据通过fputcsv写到文件句柄
        fputcsv($fp, $headlist);

        //计数器
        $num = 0;

        //每隔$limit行，刷新一下输出buffer，不要太大，也不要太小
        $limit = 100000;

        //逐行取出数据，不浪费内存
        $count = count($data);
        for ($i = 0; $i < $count; $i++) {

            $num++;

            //刷新一下输出buffer，防止由于数据过多造成问题
            if ($limit == $num) {
                ob_flush();
                flush();
                $num = 0;
            }

            $row = $data[$i];
            foreach ($row as $key => $value) {
                $row[$key] = iconv('utf-8', 'gbk', $value);
            }

            fputcsv($fp, $row);
        }
    }

标签：headlist,PHP,num,name,excel,score,key,CSV,row
来源： https://www.cnblogs.com/fsp69/p/14839596.html