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HomeBackend DevelopmentPHP TutorialPHP单文件、多个单文件、多文件上传函数的封装

//表单://s.php//要在选择上传文件时能一次选择多个文件,那么就加multiple="multiple" ,还有注意下name="myFile1"和name="myFile[]"的区别,单文件、多文件上传.<meta charset="utf-8"><title>无标题文档</title>





//上传函数的封装://ss.php$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 $files;}//针对于单文件、多个单文件、多文件的上传//默认允许上传的文件只为图片类型,并且只有这些图片类型:$allowExt=array('jpeg','jpg','png','gif');并且检查上传的文件是否为真实的图片$flag=true//默认上传保存的文件夹为本地的'uploads'文件夹,允许上传文件的大小最大为2Mfunction uploadFile($fileInfo,$path='./uploads',$flag=true,$allowExt=array('jpeg','jpg','png','gif'),$maxSize=2097152){ //判断错误号 if($fileInfo['error']===UPLOAD_ERR_OK){ //检测上传文件的大小 if($fileInfo['size']>$maxSize){ $res['mes']=$fileInfo['name'].'上传文件过大'; } $ext=getExt($fileInfo['name']); //检测上传文件的文件类型 if(!in_array($ext,$allowExt)){ $res['mes']=$fileInfo['name'].'非法文件类型'; } //检测是否是真实的图片类型 if($flag){ if(!getimagesize($fileInfo['tmp_name'])){ $res['mes']=$fileInfo['name'].'不是真实图片类型'; } } //检测文件是否是通过HTTP POST上传上来的 if(!is_uploaded_file($fileInfo['tmp_name'])){ $res['mes']=$fileInfo['name'].'文件不是通过HTTP POST方式上传上来的'; } if( $res ) return $res; //如果要不显示错误信息的话,用if( @$res ) return $res; //$path='./uploads'; //如果没有这个文件夹,那么就创建一 if(!file_exists($path)){ mkdir($path,0777,true); chmod($path,0777); } //新文件名唯一 $uniName=getUniName(); $destination=$path.'/'.$uniName.'.'.$ext; //@符号是为了不让客户看到错误信,也可以删除 if(!@move_uploaded_file($fileInfo['tmp_name'],$destination)){ $res['mes']=$fileInfo['name'].'文件移动失败'; } $res['mes']=$fileInfo['name'].'上传成功'; $res['dest']=$destination; return $res; }else{ //匹配错误信息 //注意!错误信息没有5 switch($fileInfo['error']){ case 1: $res['mes'] = '上传文件超过了PHP配置文件中upload_max_filesize选项的值'; break; case 2: $res['mes'] = '超过了HTML表单MAX_FILE_SIZE限制的大小'; break; case 3: $res['mes'] = '文件部分被上传'; break; case 4: $res['mes'] = '没有选择上传文件'; break; case 6: $res['mes'] = '没有找到临时目录'; break; case 7: $res['mes'] = '文件写入失败'; break; case 8: $res['mes'] = '上传的文件被PHP扩展程序中断'; break; } return $res; }}?>//common.ss.php//上传后文件的操作:'; $uploadFiles[]=$res['dest'];//如果要不显示错误信息的话,用@$uploadFiles[]=$res['dest'];}$uploadFiles=array_values(array_filter($uploadFiles));//这样便于保存到数据库print_r($uploadFiles);//打印查看上传保存的结果?>
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