欢迎您访问程序员文章站本站旨在为大家提供分享程序员计算机编程知识!
您现在的位置是: 首页  >  后端开发

PHP多文件上传类_PHP教程

程序员文章站 2022-05-20 16:00:08
...

PHP多文件上传类

  PHP多文件上传类

  /*

  多文件上传类

  修改:Linvo 2008-2-15

  */

  class more_file_upload{

  const FILE_PATH='../upfileclass/uploadfile/';

  var file_type;

  var file_type_array;

  var file_type_real_array;

  var file_type_string;

  var file_name;

  var file_size;

  var file_tmp_name;

  var file_error;

  var handledate;

  static totalsize=0;

  function __construct(file_name,file_error,file_size,file_tmp_name,file_type){

  this->handledate=date('m-d-Y');

  if (!empty(file_name)){

  this->file_name = file_name;

  this->file_error = file_error;

  this->file_size = file_size;

  this->file_tmp_name = file_tmp_name;

  this->file_type = file_type;

  this->file_type_array = array('/', 'image/gif', 'image/jpg', 'image/jpeg', 'image/pjpeg', 'image/png');

  this->file_type_real_array = array(0.1, 'jpg'=>74707370, 'gif'=>7173, 'bmp'=>6677, 'png'=>807871);

  this->show_execute_message(this->file_error,this->file_name,this->file_type,this->file_size);

  }

  }

  function __destruct(){

  this->file_name = NULL;

  this->file_error = NULL;

  this->file_size = NULL;

  this->file_tmp_name = NULL;

  this->file_type = NULL;

  self::totalsize = 0;

  }

  function show_execute_message(smfileerror,smfilename,smfiletype,smfilesize){

  if(smfileerror>0){

  switch (smfileerror){

  case 1: smfilemessage='文件超过服务器的约定大小!';break;

  case 2: smfilemessage='文件超过指定的文件大小!';break;

  case 3: smfilemessage='文件只上传了部分!';break;

  case 4: echo "this->file_name ".'文件上传失败!
';break;

  }

  self::__destruct();

  }else{

  smfiletypeflag = array_search(smfiletype,this->file_type_array);

  //进行真实格式验证

  if(smfiletypeflag != false){

  file = fopen(this->file_tmp_name, "rb");

  bin = fread(file, 10);

  fclose(file);

  strInfo = @unpack("c10chars", bin);

  typeCode = intval(strInfo['chars1'].strInfo['chars2']);

  smfiletypeflag = array_search(typeCode, this->file_type_real_array);

  if(smfiletypeflag == false){ //判断是否是png图片

  typeCode = intval(strInfo['chars2'].strInfo['chars3'].strInfo['chars4']);

  smfiletypeflag = array_search(typeCode, this->file_type_real_array);

  if(smfiletypeflag == false){ //判断是否是jpg图片

  typeCode = intval(strInfo['chars7'].strInfo['chars8'].strInfo['chars9'].strInfo['chars10']);

  smfiletypeflag = array_search(typeCode, this->file_type_real_array);

  }

  }

  }

  if(smfiletypeflag == false){

  smfilemessage='文件类型不对,请核实!';

  self::__destruct();

  }else{

  resflag = this->move_file(this->file_tmp_name,this->file_name);

  if (resflag == 1){

  smfilemessage = '文件上传成功!';

  self::totalsize += intval(smfilesize);

  self::__destruct();

  }else{

  smfilemessage = '文件上传失败!';

  self::__destruct();

  }

  }

  }

  smfilesizeformat = this->size_BKM(smfilesize);

  echo '

  '.smfilename.'

  '.smfiletype.'

  '.smfilesizeformat.'

  '.smfilemessage.'

  ';

  }

  function move_file(mvfiletmp,mvfilename){ //移动文件

  mvfilenamearr = explode('.',basename(mvfilename));

  mvfilenamearr[0] = this->rand_string();

  mvfilename = implode('.',mvfilenamearr);

  if (is_uploaded_file(mvfiletmp)){

  uploadfile = self::FILE_PATH."mvfilename";

  result = move_uploaded_file(mvfiletmp,uploadfile);

  return result;

  }

  }

  function rand_string(){

  string = md5(uniqid(rand().microtime()));

  return string;

  }

  function size_BKM(size){ // B/KB/MB单位转换

  if(size

  {

  size_BKM = (string)size . " B";

  }

  elseif(size

  {

  size_BKM = number_format((double)(size / 1024), 1) . " KB";

  }else

  {

  size_BKM = number_format((double)(size / (1024*1024)),1)." MB";

  }

  return size_BKM;

  }

  }

www.bkjia.comtruehttp://www.bkjia.com/PHPjc/845129.htmlTechArticlePHP多文件上传类 PHP多文件上传类 /* 多文件上传类 修改:Linvo 2008-2-15 */ class more_file_upload{ const FILE_PATH='../upfileclass/uploadfile/'; var file_type; v...