php生成 execel表格

class Excel{
    var $header = "
 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">";
    var $footer = "";
    var $lines = array ();
     var $worksheet_title = "Table1";
    function addRow ($array) {
        // 初始化列
        $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 .= "" . $v . " ";
          } else {
           $cells .= "" . $v . " ";
          }
         } else {
             $cells .= "" . $v . " ";
         }
        endforeach;
        // transform $cells content into one row
        $this->lines[] = " " . $cells . " ";
    }
 
    function addArray ($array) {
        // 返回数组并保存到单元格中去
        foreach ($array as $k => $v):
            $this->addRow ($v);
        endforeach;
    }
 
    function setWorksheetTitle ($title) {
      
        $title = preg_replace ("/[|:|/|?|*|[|]]/", "", $title);
        // 取得标题长度
        $title = substr ($title, 0, 31);
        // 赋值
        $this->worksheet_title = $title;
    }
 
    function generateXML ($filename) {
        header("Content-Type: application/vnd.ms-excel; charset=UTF-8");
        header("Content-Disposition: inline; filename="" . $filename . ".xls"");
        echo stripslashes ($this->header);
        echo " worksheet_title . ""> ";
        echo " ";
        echo implode (" ", $this->lines);
        echo " ";
        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");
 */
?>