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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