PHP multiple file upload class_PHP tutorial

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Release: 2016-07-13 10:23:09
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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 < 1024)

 {

size_BKM = (string)size . " B";

 }

elseif(size < (1024 * 1024))

 {

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 multi-file upload class PHP multi-file upload class/* Multi-file upload class modified: Linvo 2008-2-15 */ class more_file_upload{ const FILE_PATH='../upfileclass/uploadfile/'; var file_type; v...
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