Detailed explanation of the operation excel class implemented by php

The example in this article describes the operation of excel class implemented by php. Share it with everyone for your reference, the details are as follows:

<&#63;php
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;$i<$this->maxcols;$i++)
    {
      for($j=2;$j<$this->maxrows;$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;$i<$this->maxcols;$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;
      }
      $i++;
    }
  }
  //取得总行数
  private function maxRows()
  {
    $i=1;
    while(true)
    {
      if(0==$this->worksheet->Cells($i,1))
      {
        return $i;
        break;
      }
      $i++;
    }
  }
  //读取制定行数据
  public function getOneRow($row=2)
  {
    if($row>=2)
    {
      for($i=1;$i<$this->maxcols;$i++)
      {
        $arr[]=$this->worksheet->Cells($row,$i)->Value;
      }
      return $arr;
    }
  }
  //关闭对象
  public function Close()
  {
    $this->excel->WorkBooks->Close();
    $this->excel=null;
    $this->workbook=null;
    $this->worksheet=null;
    self::$instance=null;
  }
};
/*
$excel = new COM("Excel.Application");
$workbook = $excel->WorkBooks->Open('D://Apache2//htdocs//wwwroot//MyExcel.xls');
$worksheet = $excel->WorkSheets(1);
echo $worksheet->Cells(2,6)->Value;
$excel->WorkBooks->Close();
*/
$excel=Excel::getInstance();
$excel->setFile("D://kaka.xls");
$excel->Open();
$excel->setSheet();
for($i=1;$i<16;$i++ )
{
  $arr[]=$i;
}
//$excel->editOneRow(2,$arr);
//print_r($excel->getAllData());
    $str=$excel->getAllData();
    include_once('mail.class.php');
    $smtpserver="smtp.yeah.net";
   $smtpserverport=25;
   $smtpuseremail="yanqihu58@yeah.net";
   $smtpemailto="yanqihu@139.com";
   $smtpuser="yanqihu58";
   $smtppwd="123456789";
    $mailtype="HTML";
    $smtp=new smtp($smtpserver,$smtpserverport,true,$smtpuser,$smtppwd);
    $message="你好";
   //$message.="首页连接地址为：".$this->link_url."<br>";
   //$message.="电子邮箱为：".$this->link_email."<br>";
   //$message.="商务联系QQ：".$this->link_qq."<br>";
   //$message.="商务电话QQ：".$this->link_tel."<br>";
   //$message.="联系人：".$this->link_people."<br>";
    $smtp->debug=false;
    foreach($str['email'] as $key=>$value){
      $smtpemailto=$value;
      @$smtp->sendmail($smtpemailto,$smtpuseremail,$mailsubject,$message,$mailtype);
      exit;
    }
    //exit;
$excel->Close();
?>

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