PHP COM-based Excel operation class (PHP5)_PHP tutorial

无聊写这玩的，喜欢扩展的朋友别忘了发我一份哦，哈哈 谢谢，

ps：测试没什么效率的说，哈哈~~~

guyudj@yahoo.com.cn复制PHP内容到剪贴板
PHP代码:

/**
 *基 于 COM 的 Excel 操作类(PHP5.x)
 *PHPer:T.T.R
 *Date:[2007-05-24]
 *Ver:1.0.0
 *Blog:[url]http://www.Gx3.cn[/url] [url]http://Gx3.cn[/url]
 *QQ:252319874
 */
class Excel
{
    static $instance=null;
    private $excel=null;
    private $workbook=null;
    private $workbookadd=null;
    private $worksheet=null;
    private $worksheetadd=null;
    private $sheetnum=1;
    private $cells=array();
    private $fields=array();
    private $maxrows;
    private $maxcols;
    private $filename;

    //构造函数
    private function Excel()
    {
        $this->excel = new COM("Excel.Application") or die("Did Not Connect");
    }
   
    //类入口
    public static function getInstance()
    {
        if(null == self::$instance)
        {
            self::$instance = new Excel();
        }
        return self::$instance;
    }

    //设置文件地址
    public function setFile($filename)
    {
        return $this->filename=$filename;
    }

    //打开文件
    public function Open()
    {
        $this->workbook=$this->excel->WorkBooks->Open($this->filename);
    }

    //设置Sheet
    public function setSheet($num=1)
    {
        if($num>0)
        {
            $this->sheetnum=$num;
            $this->worksheet=$this->excel->WorkSheets[$this->sheetnum];
            $this->maxcols=$this->maxCols();
            $this->maxrows=$this->maxRows();
            $this->getCells();
        }
    }

    //取得表所有值并写进数组
    private function getCells()
    {
        for($i=1;$imaxcols;$i++)
        {
            for($j=2;$jmaxrows;$j++)
            {
                $this->cells[$this->worksheet->Cells(1,$i)->value][]=(string)$this->worksheet->Cells($j,$i)->value;
            }
        }
        return $this->cells;
    }

    //返回表格内容数组
    public function getAllData()
    {
        return $this->cells;
    }

    //返回制定单元格内容
    public function Cell($row,$col)
    {
        return $this->worksheet->Cells($row,$col)->Value;
    }

    //取得表格字段名数组
    public function getFields()
    {
        for($i=1;$imaxcols;$i++)
        {
            $this->fields[]=$this->worksheet->Cells(1,$i)->value;
        }
        return $this->fields;
    }

    //修改制定单元格内容
    public function editCell($row,$col,$value)
    {
        if($this->workbook==null || $this->worksheet==null)
        {
            echo "Error:Did Not Connect!";
        }else{
            $this->worksheet->Cells($row,$col)->Value=$value;
            $this->workbook->Save();
        }
    }

    //修改一行数据
    public function editOneRow($row,$arr)
    {
        if($this->workbook==null || $this->worksheet==null || $row>=2)
        {
            echo "Error:Did Not Connect!";
        }else{
            if(count($arr)==$this->maxcols-1)
            {
                $i=1;
                foreach($arr as $val)
                {
                    $this->worksheet->Cells($row,$i)->Value=$val;
                    $i++;
                }
                $this->workbook->Save();
            }
        }
    }

    //取得总列数
    private function maxCols()
    {
        $i=1;
        while(true)
        {
            if(0==$this->worksheet->Cells(1,$i))
            {
                return $i;
                break;
 &nb

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