php如何获取文件夹大小程序代码

<?php
 
//获取文件夹大小
function dir_size($dir) {
    if (!preg_match('#/$#', $dir)) {
        $dir .= '/';
    }
    $totalsize = 0;
    //调用文件列表
    foreach (get_file_list($dir) as $name) {
        $totalsize += (@is_dir($dir.$name) ? dir_size("$dir$name/") :
            (int)@filesize($dir.$name));
    }
    return $totalsize;
}
 
//获取文件列表
function get_file_list($path) {
    $f = $d = array();
    //获取所有文件
    foreach (get_all_files($path) as $name) {
        if (@is_dir($path.$name)) {
            $d[] = $name;
        } else if (@is_file($path.$name)) {
            $f[] = $name;
        }
    }
    natcasesort($d);
    natcasesort($f);
    return array_merge($d, $f);
}
 
//获取所有文件
function get_all_files($path) {
    $list = array();
    if (($hndl = @opendir($path)) === false) {
        return $list;
    }
    while (($file=readdir($hndl)) !== false) {
        if ($file != '.' && $file != '..') {
            $list[] = $file;
        }
    }
    closedir($hndl);
    return $list;
}
 
//转换单位
function setupSize($fileSize) {
    $size = sprintf("%u", $fileSize);
    if($size == 0) {
        return("0 Bytes");
    }
    $sizename = array(" Bytes", " KB", " MB", " GB", " TB", " PB", " EB", " ZB", " YB");
    return round($size/pow(1024, ($i = floor(log($size, 1024)))), 2) . $sizename[$i];
}
 
//目录
$path = './test_dir/';
 
//显示文件列表
print_r(get_file_list($path)).'<br>';
 
//显示文件大小
echo dir_size($path).'<br>';
 
//显示转换过单位的大小
echo setupSize(dir_size($path));
 
?>

<?php

function getDirSize($dir)
    {
        $handle = opendir($dir);
        while (false!==($FolderOrFile = readdir($handle)))
        {
            if($FolderOrFile != "." && $FolderOrFile != "..")
            {
                if(is_dir("$dir/$FolderOrFile"))
                {
                    $sizeResult += getDirSize("$dir/$FolderOrFile");
                }
                else
                {
                    $sizeResult += filesize("$dir/$FolderOrFile");
                }
            }   
        }
        closedir($handle);
        return $sizeResult;
    }

    // 单位自动转换函数
    function getRealSize($size)
    {
        $kb = 1024;         // Kilobyte
        $mb = 1024 * $kb;   // Megabyte
        $gb = 1024 * $mb;   // Gigabyte
        $tb = 1024 * $gb;   // Terabyte
       
        if($size < $kb)
        {
            return $size." B";
        }
        else if($size < $mb)
        {
            return round($size/$kb,2)." KB";
        }
        else if($size < $gb)
        {
            return round($size/$mb,2)." MB";
        }
        else if($size < $tb)
        {
            return round($size/$gb,2)." GB";
        }
        else
        {
            return round($size/$tb,2)." TB";
        }
    }

    echo getRealSize(getDirSize(dirname($_SERVER[SCRIPT_FILENAME])./include/));

?>

#########################################################

//function dirsize($dir)
//{
//   $handle=opendir($dir);
//   $size = 0;
//   while ( $file=readdir($handle) )
//   {
//       if ( ( $file == "." ) || ( $file == ".." ) ) continue;
//       if ( is_dir("$dir/$file") )
//           $size += dirsize("$dir/$file");
//       else
//           $size += filesize("$dir/$file");
//   }
//   closedir($handle);
//   return $size;
//}
//$big=dirsize(dirname($_SERVER[SCRIPT_FILENAME])."/");
//echo $big;

<title>上传文件</title> 
 
<script> 
function CallbackFunction(str){ 
alert("上传成功"); 
} 
</script> 
<form action="uploadfile.php" enctype="multipart/form-data" method="post" target="iframeUpload"> 
 <iframe name="iframeUpload" src="" width="350" height="35" frameborder=0  SCROLLING="no" style="display:NONE"></iframe> 
 <input id="test_file" name="test_file" type="file"> 
 <input value="上传文件" type="submit"> 
</form> 

<?php 
set_time_limit(0); 
if($_SERVER['REQUEST_METHOD']=='POST') { 
  move_uploaded_file($_FILES["test_file"]["tmp_name"], 
  dirname($_SERVER['SCRIPT_FILENAME'])."/UploadTemp/" . $_FILES["test_file"]["name"]); 
  echo "<script>window.parent.CallbackFunction();</script>"; 
} 
?>

if($result)    
{   
echo "上传成功!文件路径为：".$file2;   
echo '<input name="img" type="hidden" value="'.$file2.'" id="img"/>';   
echo'<script>parent.document.form1.img.value=document.getElementById("img").value;</script>';   
}

<script src="tiny_mce/tiny_mce.js" type="text/javascript"></script>
<script type="text/javascript">
    // O2k7 skin
    tinyMCE.init({
        // General options
        mode : "exact",
        elements : "content",
        theme : "advanced",
        skin : "o2k7",
        language : "zh",
        relative_urls : false,
//....略过部分...

    });

    function InsertHtml(type,path){

        type=type.toLowerCase()

        switch(type){
            case '.gif':
            thecode = '<img src="'+path+'" alt=""/>';
            break;
            case '.jpg':
            thecode = '<img src="'+path+'" alt=""/>';
            break;
//......略过部分......
            default :
            thecode = '<a href="'+path+'" target="_blank">Download</a>';
            break;
        }
        tinyMCE.execCommand('mceInsertContent',true,thecode);
    }
</script>

            $pasteJS = "<script type=text/javascript>n";
            $pasteJS .= "parent.InsertHtml("" . $file_ext . "","" . $upload_src . "");n";
            $pasteJS .= "</script>n";
            echo $pasteJS;

<?php 
  $DB_Server = "localhost"; 
  $DB_Username = "root"; 
  $DB_Password = ""; 
  $DB_DBName = "DBName"; 
  $DB_TBLName = "DB_TBLName"; 
  $savename = date("YmjHis"); 
  $Connect = @mysql_connect($DB_Server, $DB_Username, $DB_Password) or die("Couldn't connect."); 
  mysql_query("Set Names 'gbk'"); 
  $file_type = "vnd.ms-excel"; 
  $file_ending = "xls"; 
  header("Content-Type: application/$file_type;charset=gbk"); 
  header("Content-Disposition: attachment; filename=".$savename.".$file_ending"); 
  header("Pragma: no-cache"); 
  $now_date = date("Y-m-j H:i:s"); 
  $title = "数据库名:$DB_DBName,数据表:$DB_TBLName,备份日期:$now_date"; 
  $sql = "Select * from $DB_TBLName"; 
  $ALT_Db = @mysql_select_db($DB_DBName, $Connect) or die("Couldn't select  database"); 
  $result = @mysql_query($sql,$Connect) or die(mysql_error()); 
  echo("$titlen"); 
  $sep = "t"; 
  for ($i = 0;$i < mysql_num_fields($result);$i++) 
     { 
         echo mysql_field_name($result,$i) . "t"; 
     } 
  print("n"); 
  $i = 0; 
  while($row = mysql_fetch_row($result)) 
  { 
    $schema_insert = ""; 
    for($j=0; $j<mysql_num_fields($result);$j++) 
      { 
        if(!isset($row[$j])) $schema_insert .= "NULL".$sep; 
        elseif ($row[$j] != "") $schema_insert .= "$row[$j]".$sep; 
        else $schema_insert .= "".$sep; 
       } 
       $schema_insert = str_replace($sep."$", "", $schema_insert); 
       $schema_insert .= "t"; 
       print(trim($schema_insert)); 
       print "n"; $i++; 
  } 
  return (true); 
  ?>

<?php
// ----- begin of function library -----
// Excel begin of file header
function xlsBOF() {
echo pack("ssssss", 0x809, 0x8, 0x0, 0x10, 0x0, 0x0);
return;
}
// Excel end of file footer
function xlsEOF() {
echo pack("ss", 0x0A, 0x00);
return;
}
// Function to write a Number (double) into Row, Col
function xlsWriteNumber($Row, $Col, $Value) {
echo pack("sssss", 0x203, 14, $Row, $Col, 0x0);
echo pack("d", $Value);
return;
}
// Function to write a label (text) into Row, Col
function xlsWriteLabel($Row, $Col, $Value ) {
$L = strlen($Value);
echo pack("ssssss", 0x204, 8 + $L, $Row, $Col, 0x0, $L);
echo $Value;
return;
}
?>
 
下面是调用代码：

<?php
header ("Expires: Mon, 26 Jul 1997 05:00:00 GMT");
header ("Last-Modified: " . gmdate("D,d M YH:i:s") . " GMT");
header ("Cache-Control: no-cache, must-revalidate");
header ("Pragma: no-cache");
header ('Content-type: application/x-msexcel');
header ("Content-Disposition: attachment; filename=EmplList.xls" );
header ("Content-Description: PHP/INTERBASE Generated Data" );
//
// the next lines demonstrate the generation of the Excel stream
//
include ("excel.php");
xlsBOF();    // begin Excel stream
xlsWriteLabel(0,0,"This is a label");   // write a label in A1, use for dates too
xlsWriteNumber(0,1,9999);   // write a number B1
xlsEOF(); // close the stream
?>

<?
//设置PHPExcel类库的include path
set_include_path('.'. PATH_SEPARATOR .
                 'D:ZealPHP_LIBS' . PATH_SEPARATOR .
                 get_include_path());

/**
 * 以下是使用示例，对于以 //// 开头的行是不同的可选方式，请根据实际需要
 * 打开对应行的注释。
 * 如果使用 Excel5 ，输出的内容应该是GBK编码。
 */
require_once 'PHPExcel.php';

// uncomment
////require_once 'PHPExcel/Writer/Excel5.php';    // 用于其他低版本xls
// or
////require_once 'PHPExcel/Writer/Excel2007.php'; // 用于 excel-2007 格式

// 创建一个处理对象实例
$objExcel = new PHPExcel();

// 创建文件格式写入对象实例, uncomment
////$objWriter = new PHPExcel_Writer_Excel5($objExcel);    // 用于其他版本格式
// or
////$objWriter = new PHPExcel_Writer_Excel2007($objExcel); // 用于 2007 格式
//$objWriter->setOffice2003Compatibility(true);

//*************************************
//设置文档基本属性
$objProps = $objExcel->getProperties();
$objProps->setCreator("Zeal Li");
$objProps->setLastModifiedBy("Zeal Li");
$objProps->setTitle("Office XLS Test Document");
$objProps->setSubject("Office XLS Test Document, Demo");
$objProps->setDescription("Test document, generated by PHPExcel.");
$objProps->setKeywords("office excel PHPExcel");
$objProps->setCategory("Test");

//*************************************
//设置当前的sheet索引，用于后续的内容操作。
//一般只有在使用多个sheet的时候才需要显示调用。
//缺省情况下，PHPExcel会自动创建第一个sheet被设置SheetIndex=0
$objExcel->setActiveSheetIndex(0);

$objActSheet = $objExcel->getActiveSheet();

//设置当前活动sheet的名称
$objActSheet->setTitle('测试Sheet');

//*************************************
//设置单元格内容
//
//由PHPExcel根据传入内容自动判断单元格内容类型
$objActSheet->setCellValue('A1', '字符串内容');  // 字符串内容
$objActSheet->setCellValue('A2', 26);            // 数值
$objActSheet->setCellValue('A3', true);          // 布尔值
$objActSheet->setCellValue('A4', '=SUM(A2:A2)'); // 公式

//显式指定内容类型
$objActSheet->setCellValueExplicit('A5', '847475847857487584',
                                   PHPExcel_Cell_DataType::TYPE_STRING);

//合并单元格
$objActSheet->mergeCells('B1:C22');

//分离单元格
$objActSheet->unmergeCells('B1:C22');

//*************************************
//设置单元格样式
//

//设置宽度
$objActSheet->getColumnDimension('B')->setAutoSize(true);
$objActSheet->getColumnDimension('A')->setWidth(30);

$objStyleA5 = $objActSheet->getStyle('A5');

//设置单元格内容的数字格式。
//
//如果使用了 PHPExcel_Writer_Excel5 来生成内容的话，
//这里需要注意，在 PHPExcel_Style_NumberFormat 类的 const 变量定义的
//各种自定义格式化方式中，其它类型都可以正常使用，但当setFormatCode
//为 FORMAT_NUMBER 的时候，实际出来的效果被没有把格式设置为"0"。需要
//修改 PHPExcel_Writer_Excel5_Format 类源代码中的 getXf($style) 方法，
//在 if ($this->_BIFF_version == 0x0500) { （第363行附近）前面增加一
//行代码:
//if($ifmt === '0') $ifmt = 1;
//
//设置格式为PHPExcel_Style_NumberFormat::FORMAT_NUMBER，避免某些大数字
//被使用科学记数方式显示，配合下面的 setAutoSize 方法可以让每一行的内容
//都按原始内容全部显示出来。
$objStyleA5
    ->getNumberFormat()
    ->setFormatCode(PHPExcel_Style_NumberFormat::FORMAT_NUMBER);

//设置字体
$objFontA5 = $objStyleA5->getFont();
$objFontA5->setName('Courier New');
$objFontA5->setSize(10);
$objFontA5->setBold(true);
$objFontA5->setUnderline(PHPExcel_Style_Font::UNDERLINE_SINGLE);
$objFontA5->getColor()->setARGB('FF999999');

//设置对齐方式
$objAlignA5 = $objStyleA5->getAlignment();
$objAlignA5->setHorizontal(PHPExcel_Style_Alignment::HORIZONTAL_RIGHT);
$objAlignA5->setVertical(PHPExcel_Style_Alignment::VERTICAL_CENTER);

//设置边框
$objBorderA5 = $objStyleA5->getBorders();
$objBorderA5->getTop()->setBorderStyle(PHPExcel_Style_Border::BORDER_THIN);
$objBorderA5->getTop()->getColor()->setARGB('FFFF0000'); // color
$objBorderA5->getBottom()->setBorderStyle(PHPExcel_Style_Border::BORDER_THIN);
$objBorderA5->getLeft()->setBorderStyle(PHPExcel_Style_Border::BORDER_THIN);
$objBorderA5->getRight()->setBorderStyle(PHPExcel_Style_Border::BORDER_THIN);

//设置填充颜色
$objFillA5 = $objStyleA5->getFill();
$objFillA5->setFillType(PHPExcel_Style_Fill::FILL_SOLID);
$objFillA5->getStartColor()->setARGB('FFEEEEEE');

//从指定的单元格复制样式信息.
$objActSheet->duplicateStyle($objStyleA5, 'B1:C22');

//*************************************
//添加图片
$objDrawing = new PHPExcel_Worksheet_Drawing();
$objDrawing->setName('ZealImg');
$objDrawing->setDescription('Image inserted by Zeal');
$objDrawing->setPath('./zeali.net.logo.gif');
$objDrawing->setHeight(36);
$objDrawing->setCoordinates('C23');
$objDrawing->setOffsetX(10);
$objDrawing->setRotation(15);
$objDrawing->getShadow()->setVisible(true);
$objDrawing->getShadow()->setDirection(36);
$objDrawing->setWorksheet($objActSheet);

//添加一个新的worksheet
$objExcel->createSheet();
$objExcel->getSheet(1)->setTitle('测试2');

//保护单元格
$objExcel->getSheet(1)->getProtection()->setSheet(true);
$objExcel->getSheet(1)->protectCells('A1:C22', 'PHPExcel');

//*************************************
//输出内容
//
$outputFileName = "output.xls";
//到文件
////$objWriter->save($outputFileName);
//or
//到浏览器
////header("Content-Type: application/force-download");
////header("Content-Type: application/octet-stream");
////header("Content-Type: application/download");
////header('Content-Disposition:inline;filename="'.$outputFileName.'"');
////header("Content-Transfer-Encoding: binary");
////header("Expires: Mon, 26 Jul 1997 05:00:00 GMT");
////header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT");
////header("Cache-Control: must-revalidate, post-check=0, pre-check=0");
////header("Pragma: no-cache");
////$objWriter->save('php://output');

?>