php 导出excel 很简单很好用

<?php

/**

* Excel vendor By dx_andy

* 整理自 class-excel-xml.inc.php

* 时间 2008-3-27 11:58

* 文件编码 utf-8

* 

*

* 整理记录：

* 原文件中(function addRow) utf8_encode($v) => $v

* 并添加判断字符串是 数字型 还是 字符串型的方法

*/

class Excel{

    /**

     * Header of excel document (prepended to the rows)

     * 

     * Copied from the excel xml-specs.

     * 

     * @access private

     * @var string

     */

    var $header = "<?xml version=\"1.0\" encoding=\"UTF-8\"?\>

<Workbook xmlns=\"urn:schemas-microsoft-com:office:spreadsheet\"

xmlns:x=\"urn:schemas-microsoft-com:office:excel\"

xmlns:ss=\"urn:schemas-microsoft-com:office:spreadsheet\"

xmlns:html=\"http://www.w3.org/TR/REC-html40\">";

    /**

     * Footer of excel document (appended to the rows)

     * 

     * Copied from the excel xml-specs.

     * 

     * @access private

     * @var string

     */

    var $footer = "</Workbook>";

    /**

     * Document lines (rows in an array)

     * 

     * @access private

     * @var array

     */

    var $lines = array ();

    /**

     * Worksheet title

     *

     * Contains the title of a single worksheet

     *

     * @access private 

     * @var string

     */

    var $worksheet_title = "Table1";

    /**

     * Add a single row to the $document string

     * 

     * @access private

     * @param array 1-dimensional array

     * @todo Row-creation should be done by $this->addArray

     */

    function addRow ($array) {

        // initialize all cells for this row

        $cells = "";

        

        // foreach key -> write value into cells

        foreach ($array as $k => $v):

   

        // 加个字符串与数字的判断 避免生成的 excel 出现数字以字符串存储的警告

        if(is_numeric($v)) {

           // 防止首字母为 0 时生成 excel 后 0 丢失

           if(substr($v, 0, 1) == 0) {

            $cells .= "<Cell><Data ss:Type=\"String\">" . $v . "</Data></Cell>\n";

           } else {

            $cells .= "<Cell><Data ss:Type=\"Number\">" . $v . "</Data></Cell>\n";

           }

        } else {

            $cells .= "<Cell><Data ss:Type=\"String\">" . $v . "</Data></Cell>\n";

        }

        endforeach;

        // transform $cells content into one row

        $this->lines[] = "<Row>\n" . $cells . "</Row>\n";

    }

    /**

     * Add an array to the document

     * 

     * This should be the only method needed to generate an excel

     * document.

     * 

     * @access public

     * @param array 2-dimensional array

     * @todo Can be transfered to __construct() later on

     */

    function addArray ($array) {

        // run through the array and add them into rows

        foreach ($array as $k => $v):

            $this->addRow ($v);

        endforeach;

    }

    /**

     * Set the worksheet title

     * 

     * Checks the string for not allowed characters (:\/?*),

     * cuts it to maximum 31 characters and set the title. Damn

     * why are not-allowed chars nowhere to be found? Windows

     * help's no help...

     *

     * @access public

     * @param string $title Designed title

     */

    function setWorksheetTitle ($title) {

        // strip out special chars first

        $title = preg_replace ("/[\\\|:|\/|\?|\*|\[|\]]/", "", $title);

        // now cut it to the allowed length

        $title = substr ($title, 0, 31);

        // set title

        $this->worksheet_title = $title;

    }

    /**

     * Generate the excel file

     * 

     * Finally generates the excel file and uses the header() function

     * to deliver it to the browser.

     * 

     * @access public

     * @param string $filename Name of excel file to generate (...xls)

     */

    function generateXML ($filename) {

        // deliver header (as recommended in php manual)

        header("Con
4000
tent-Type: application/vnd.ms-excel; charset=UTF-8");

        header("Content-Disposition: inline; filename=\"" . $filename . ".xls\"");

        // print out document to the browser

        // need to use stripslashes for the damn ">"

        echo stripslashes ($this->header);

        echo "\n<Worksheet ss:Name=\"" . $this->worksheet_title . "\">\n<Table>\n";

        echo "<Column ss:Index=\"1\" ss:AutoFitWidth=\"0\" ss:Width=\"110\"/>\n";

        echo implode ("\n", $this->lines);

        echo "</Table>\n</Worksheet>\n";

        echo $this->footer;

    }

}

/**

* CakePHP中使用方法

* 注意 ** cakePHP 配置文件 define('DEBUG', 0);

*

* vendor ('Excel');

* $doc = array (

*       0 => array ('中国', '中国人', '中国人民', '123456');

* );

* $xls = new Excel;

* $xls->addArray ( $doc );

* $xls->generateXML ("mytest");

*/

/**

* 非框架使用方法

*

* require_once('excel.php');

* $doc = array (

*       0 => array ('中国', '中国人', '中国人民', '123456');

* );

* $xls = new Excel;

* $xls->addArray ( $doc );

* $xls->generateXML ("mytest");

*/

?>