php文件上传及错误代码总结

本文章总结了关于php文件上传及错误代码的介绍，有需要学习的朋友可参考一下本文章。

上传操作代码

代码如下

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if($_FILES['myfile']['error'] > 0) {      //判断文件是否可以成功上传到服务器，0表示上传成功         echo 'Error: ';           switch ( $_FILES['myfile']['error']  ) {             case UPLOAD_ERR_OK:                 $response = 'There is no error, the file uploaded with success.';                 break;             case UPLOAD_ERR_INI_SIZE:                 $response = 'The uploaded file exceeds the upload_max_filesize directive in php.ini.';                 break;             case UPLOAD_ERR_FORM_SIZE:                 $response = 'The uploaded file exceeds the MAX_FILE_SIZE directive that was specified in the HTML form.';                 break;             case UPLOAD_ERR_PARTIAL:                 $response = 'The uploaded file was only partially uploaded.';                 break;             case UPLOAD_ERR_NO_FILE:                 $response = 'No file was uploaded.';                 break;             case UPLOAD_ERR_NO_TMP_DIR:                 $response = 'Missing a temporary folder. Introduced in PHP 4.3.10 and PHP 5.0.3.';                 break;             case UPLOAD_ERR_CANT_WRITE:                 $response = 'Failed to write file to disk. Introduced in PHP 5.1.0.';                 break;             case UPLOAD_ERR_EXTENSION:                 $response = 'File upload stopped by extension. Introduced in PHP 5.2.0.';                 break;             default:                 $response = 'Unknown error';                 break;         }         echo $response;                             exit;       //如果$_FILES['myfile']['error']大于0都是有错误，输出错误信息并退出程序     }            //获取上传文件的MIME类型中的主类型和子类型     list($maintype,$subtype)=explode("/",$_FILES['myfile']['type']);               if ($maintype=="text") {    //通过主类型限制不能上传文本文件，例如.txt .html .php等文件文件               echo '问题: 不能上传文本文件。';         exit;                //如果用户上传文本文件则退出程序               }       $upfile = './uploads/'.time().$_FILES['myfile']['name'];     //定义上传后的位置和新文件名           if ( is_uploaded_file($_FILES['myfile']['tmp_name']) ) {     //判断是否为上传文件               if ( !move_uploaded_file($_FILES['myfile']['tmp_name'], $upfile) ) {   //从移动文件             echo '问题: 不能将文件移动到指定目录。';             exit;         }               }else{                   echo '问题: 上传文件不是一个合法文件: ';         echo $_FILES['myfile']['name'];         exit;               }       echo '文件 :  '.$upfile.'  上传成功, 大小为 : ' .$_FILES['myfile']['size'].'！ ';   //如果文件上传成功则输出 ?>

html

代码如下	复制代码
br />      "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">                           选择文件：

一些常见的上传文件时错误代码

0 | UPLOAD_ERR_OK         | 文件成功上传
1 | UPLOAD_ERR_INI_SIZE   | Size exceeds upload_max_filesize in php.ini.
2 | UPLOAD_ERR_FORM_SIZE  | Size exceeds MAX_FILE_SIZE specified in HTML form.
3 | UPLOAD_ERR_PARTIAL    | 文件没有完整上传
4 | UPLOAD_ERR_NO_FILE    | 没有上传文件
5 | UPLOAD_ERROR_E        | As expliained by @Progman, removed in rev. 81792
6 | UPLOAD_ERR_NO_TMP_DIR | 找不到临时文件夹
7 | UPLOAD_ERR_CANT_WRITE | 磁盘不可写
8 | UPLOAD_ERR_EXTENSION  | File upload stopped by extension.

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转载随意！带上文章地址吧。