ESP8266_OTA升级_PHP后台程序

<?php function getFiles() { $i=0; foreach ($_FILES as $file) { if(is_string($file['name'])) //如果file.name是字符串，说明只有一个文件 { $files[$i]=$file; $i++; } elseif (is_array($file['name'])) //如果file.name是数组，说明有多个个文件 { foreach ($file['name'] as $key => $val) { $files[$i]['name']=$file['name'][$key]; $files[$i]['type']=$file['type'][$key]; $files[$i]['tmp_name']=$file['tmp_name'][$key]; $files[$i]['error']=$file['error'][$key]; $files[$i]['size']=$file['size'][$key]; $i++; } } } return $files; } function uploadFile($fileInfo, $uniNameFlag, $path = './uploads') { // para0 文件信息 $filename=$fileInfo['name']; $type=$fileInfo['type']; $tmp_name=$fileInfo['tmp_name']; $size=$fileInfo['size']; $error=$fileInfo['error']; $res['msg']=NULL; $res['dest']=NULL; // para1 // $uniNameFlag=true; // para2 文件上传路径 // $path = './uploads'; // para3 允许上传的最大文件大小 $maxSize=10485761; // 10M // para2 允许文件类型 $allowExt=array('bin'); // 判断错误号 if($error === UPLOAD_ERR_OK) { // 检测上传文件大小 if($size>$maxSize) { $res['msg'] = $filename." exceeds the upload_max_filesize!"; } // 检测上传文件类型 $ext=getExt($filename); if(!in_array($ext, $allowExt)) { $res['msg'] = $filename." illegle file extension"; echo 'file extension is :',$ext, '<br>'; echo "legal extension are : "; print_r($allowExt); echo "<br>"; } // 检测是否是通过HTTP POST方式上传上来的 if(!is_uploaded_file($tmp_name)) { $res['msg'] = $filename." file is not uploaded through HTTP POST"; } // 如果有以上错误， 直接返回错误信息 if($res['msg']) return $res; // 判断文件路径是否存在， 不存在创建 if(!file_exists($path)) { mkdir($path, 0777, true); chmod($path, 0777); } // 是否使用唯一文件名 if($uniNameFlag) { $uniName = getUniName(); $destination = $path.'/'.$uniName; } else { $destination = $path.'/'.$filename; } if(!move_uploaded_file($tmp_name, $destination)) { $res['msg'] = $filename." move file failed"; } $res['msg'] = $filename." upload successfully"; $res['dest']=$destination; } else { switch ($error) { case UPLOAD_ERR_INI_SIZE: $res['msg'] = "The uploaded file exceeds the upload_max_filesize directive in php.ini"; break; case UPLOAD_ERR_FORM_SIZE: $res['msg'] = "The uploaded file exceeds the MAX_FILE_SIZE directive that was specified in the HTML form"; break; case UPLOAD_ERR_PARTIAL: $res['msg'] = "The uploaded file was only partially uploaded"; break; case UPLOAD_ERR_NO_FILE: $res['msg'] = "No file was uploaded"; break; case UPLOAD_ERR_NO_TMP_DIR: $res['msg'] = "Missing a temporary folder"; break; case UPLOAD_ERR_CANT_WRITE: $res['msg'] = "Failed to write file to disk"; break; case UPLOAD_ERR_EXTENSION: $res['msg'] = "File upload stopped by extension"; break; default: $res['msg'] = "Unknown upload error"; break; } } return $res; } ?>