<?php/** * 导出到excel文件(一般导出中文的都会乱码，需要进行编码转换） * 使用方法如下 * $excel = new Excel(); * $excel->addHeader(array(‘列1‘,‘列2‘,‘列3‘,‘列4‘)); * $excel->addBody(            array(                array(‘数据1‘,‘数据2‘,‘数据3‘,‘数据4‘),                array(‘数据1‘,‘数据2‘,‘数据3‘,‘数据4‘),                array(‘数据1‘,‘数据2‘,‘数据3‘,‘数据4‘),                array(‘数据1‘,‘数据2‘,‘数据3‘,‘数据4‘)            )        ); * $excel->downLoad(); */class Excel{    private $head;    private $body;         /**     *      * @param type $arr 一维数组     */    public function addHeader($arr){        foreach($arr as $headVal){            $headVal = $this->charset($headVal);            $this->head .= "{$headVal}\t ";        }        $this->head .= "\n";    }         /**     *      * @param type $arr 二维数组     */    public function addBody($arr){        foreach($arr as $arrBody){            foreach($arrBody as $bodyVal){                $bodyVal = $this->charset($bodyVal);                $this->body .= "{$bodyVal}\t ";            }            $this->body .= "\n";        }    }         /**     * 下载excel文件     */    public function downLoad($filename=‘‘){        if(!$filename)            $filename = date(‘YmdHis‘,time()).‘.xls‘;        header("Content-type:application/vnd.ms-excel");        header("Content-Disposition:attachment;filename=$filename");         header("Content-Type:charset=gb2312");        if($this->head)            echo $this->head;        echo $this->body;    }         /**     * 编码转换     * @param type $string     * @return string     */    public function charset($string){        return iconv("utf-8", "gb2312", $string);    }}?>