";
/**
* excel页脚
* 依照excel xml规范。
*
* @access private
* @var string
*/
private $footer = "";
/**
* 文档行(行数组中)
*
* @access private
* @var array
*/
private $lines = array();
/**
* 工作表(数组)
*
* @access private
* @var array
*/
private $worksheets = array();
/**
* 单元格样式
* @access private
* @var string
*/
private $cellstyle = array();
/**
* 默认单元格数据格式
* @access private
* @var string
*/
private $default_cellformat = "String";
public function __construct()
{
//设置默认样式
$this->cellstyle['Default'] = '';
}
/**
* 添加单行数据
*
* @access private
* @param array 1维数组
* @todo 行创建
*/
private function addRow($array)
{
//初始化单元格
$cells = "";
//构建单元格
foreach ($array as $k => $v) {
$style_str = '';
if (!empty($v['styleid'])) {
$style_str = 'ss:StyleID="' . $v['styleid'] . '"';
}
$format_str = $this->default_cellformat;
if (!empty($v['format'])) {
$format_str = $v['format'];
}
$cells .= "| {$v['data']} | \n";
}
//构建行数据
$this->lines[] = "\n" . $cells . "
\n";
}
/**
* 添加多行数据
* @access public
* @param array 2维数组
* @todo 构造多行
*/
public function addArray($array)
{
$this->lines = array();
//构建行数据
foreach ((array)$array as $k => $v) {
$this->addRow($v);
}
}
/**
* 添加工作表
* @access public
* @param string $sheettitle 工作表名
* @todo 构造工作表XML
*/
public function addWorksheet($sheettitle)
{
//剔除特殊字符
$sheettitle = preg_replace("/[\\\|:|\/|\?|\*|\[|\]]/", "", $sheettitle);
//现在,将其减少到允许的长度
//$sheettitle = substr ($sheettitle, 0, 50);
$this->worksheets[] = "\n\n\n" . "\n" . implode("\n", $this->lines) . "
\n\n";
}
/**
* 设置单元格样式
*
* @access public
* @param array 样式数组例如： array('id'=>'s_title','Font'=>array('FontName'=>'宋体','Size'=>'12','Bold'=>'1'));
* 当id为Default时，为表格的默认样式
*/
public function setStyle($style_arr)
{
if (empty($style_arr)) {
return false;
}
$id = $style_arr['id'];
unset($style_arr['id']);
$style_str = "';
}
/**
* 设置默认单元格格式
*
* @access public
* @param string
*/
public function setDefaultFormat($format_str)
{
if (empty($style_arr)) {
return false;
}
$this->default_cellformat = $format_str;
}
/**
* 生成excel文件
* 最后生成excel文件,并使用header()函数来将它交付给浏览器。
* @access public
* @param string $filename 文件名称
*/
public function generateXML($filename)
{
$encoded_filename = urlencode($filename);
$encoded_filename = str_replace("+", "%20", $encoded_filename);
//头
$ua = $_SERVER["HTTP_USER_AGENT"];
header("Content-Type: application/vnd.ms-excel");
if (preg_match("/MSIE/", $ua)) {
header('Content-Disposition: attachment; filename="' . $encoded_filename . '.xls"');
}
else if (preg_match("/Firefox/", $ua)) {
header('Content-Disposition: attachment; filename*="utf8\'\'' . $filename . '.xls"');
}
else {
header('Content-Disposition: attachment; filename="' . $filename . '.xls"');
}
header('Cache-Control: max-age=0');
echo stripslashes($this->header);
//样式
echo "\n";
foreach ((array)$this->cellstyle as $k => $v) {
echo "\n" . $v;
}
echo "\n";
//工作表
echo implode("\n", $this->worksheets);
echo $this->footer;
}
/**
* 转码函数
*
* @param mixed $content
* @param string $from
* @param string $to
* @return mixed
*/
public function charset($content, $from = 'gbk', $to = 'utf-8')
{
$from = strtoupper($from) == 'UTF8' ? 'utf-8' : $from;
$to = strtoupper($to) == 'UTF8' ? 'utf-8' : $to;
if (strtoupper($from) === strtoupper($to) || empty($content)) {
//如果编码相同则不转换
return $content;
}
if (function_exists('mb_convert_encoding')) {
if (is_array($content)) {
$content = var_export($content, true);
$content = mb_convert_encoding($content, $to, $from);
eval("\$content = $content;");
return $content;
}
else {
return mb_convert_encoding($content, $to, $from);
}
}
elseif (function_exists('iconv')) {
if (is_array($content)) {
$content = var_export($content, true);
$content = iconv($from, $to, $content);
eval("\$content = $content;");
return $content;
}
else {
return iconv($from, $to, $content);
}
}
else {
return $content;
}
}
}
?>