PHP实现多图片上传类实例

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 . ' 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; } } ?>