php 中mysql导出excel文件方法
我们用最简单的方法直接用php+mysql来实现了,代码如下:
<?php include ('db/db.php'); //包含连库类 $db = new db(); $result = mysql_query('select * from market_sig into outfile "d:product3.xls";'); var_dump($result); ?>
上面是我们的原生php结合了mysql outfile文件导出方法,这种方法有个问题就是不能实现下载功能,只在生成在服务器上.
下面方法更全面:下载PHPExcel:http://phpexcel.codeplex.com
先来看看代码,代码如下:
<?php class Table_export extends CI_Controller { function __construct() { parent::__construct(); // Here you should add some sort of user validation // to prevent strangers from pulling your table data } function index($table_name) { $this->load->database(); $query = $this->db->query("select * from `$table_name` WHERE del= 1"); // $query = mb_convert_encoding("gb2312", "UTF-8", $query); if (!$query) return false; // Starting the PHPExcel library $this->load->library('PHPExcel'); $this->load->library('PHPExcel/IOFactory'); $objPHPExcel = new PHPExcel(); $objPHPExcel->getProperties()->setTitle("export")->setDescription("none"); $objPHPExcel->setActiveSheetIndex(0)->setCellValue('A1', iconv('gbk', 'utf-8', '中文Hello'))->setCellValue('B2', 'world!')->setCellValue('C1', 'Hello'); // Field names in the first row $fields = $query->list_fields(); $col = 0; foreach ($fields as $field) { $objPHPExcel->getActiveSheet()->setCellValueByColumnAndRow($col, 1, $field); $col++; } // Fetching the table data $row = 2; foreach ($query->result() as $data) { $col = 0; foreach ($fields as $field) { $objPHPExcel->getActiveSheet()->setCellValueByColumnAndRow($col, $row, $data->$field); $col++; } $row++; } $objPHPExcel->setActiveSheetIndex(0); $objWriter = IOFactory::createWriter($objPHPExcel, 'Excel5'); //发送标题强制用户下载文件 header('Content-Type: application/vnd.ms-excel'); header('Content-Disposition: attachment;filename="Products_' . date('dMy') . '.xls"'); header('Cache-Control: max-age=0'); //开源代码phprm.com $objWriter->save('php://output'); } } ?>
看看配置方法吧.
1) 解压压缩包里的Classes文件夹中的内容到applicationlibraries目录下,目录结构如下:
-- applicationlibrariesPHPExcel.php
-- applicationlibrariesPHPExcel(文件夹)
2) 修改applicationlibrariesPHPExcelIOFactory.php 文件
-- 将其类名从PHPExcel_IOFactory改为IOFactory,遵从CI类命名规则.
-- 将其构造函数改为public.
还有很多方法像这种方法多喜欢用,因为phpexcel这个插件很实用,对excel表格操作方便.
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