本文实例为大家分享了php上传文件功能的具体代码,供大家参考,具体内容如下
html:
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< form action = "upload_file.php" method = "post" enctype = "multipart/form-data" >
< label for = "file" >文件名:</ label >
< input type = "file" name = "file" id = "file" >< br >
< input type = "submit" name = "submit" value = "提交" >
</ form >
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php:
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<?php
// 允许上传的图片后缀
$allowedExts = array ( "gif" , "jpeg" , "jpg" , "png" );
$temp = explode ( "." , $_FILES [ "file" ][ "name" ]);
echo $_FILES [ "file" ][ "size" ];
$extension = end ( $temp ); // 获取文件后缀名
if ((( $_FILES [ "file" ][ "type" ] == "image/gif" )
|| ( $_FILES [ "file" ][ "type" ] == "image/jpeg" )
|| ( $_FILES [ "file" ][ "type" ] == "image/jpg" )
|| ( $_FILES [ "file" ][ "type" ] == "image/pjpeg" )
|| ( $_FILES [ "file" ][ "type" ] == "image/x-png" )
|| ( $_FILES [ "file" ][ "type" ] == "image/png" ))
&& ( $_FILES [ "file" ][ "size" ] < 204800) // 小于 200 kb
&& in_array( $extension , $allowedExts ))
{
if ( $_FILES [ "file" ][ "error" ] > 0)
{
echo "err" ;
}
else
{
echo "上传文件名: " . $_FILES [ "file" ][ "name" ] . "<br>" ;
echo "文件类型: " . $_FILES [ "file" ][ "type" ] . "<br>" ;
echo "文件大小: " . ( $_FILES [ "file" ][ "size" ] / 1024) . " kB<br>" ;
echo "文件临时存储的位置: " . $_FILES [ "file" ][ "tmp_name" ] . "<br>" ;
// 判断当期目录下的 upload 目录是否存在该文件
// 如果没有 upload 目录,你需要创建它,upload 目录权限为 777
if ( file_exists ( "../../../Content/UploadFiles/00/00/00/" . $_FILES [ "file" ][ "name" ]))
{
echo "err" ;
}
else
{
// 如果 upload 目录不存在该文件则将文件上传到 upload 目录下
move_uploaded_file( $_FILES [ "file" ][ "tmp_name" ], "../../../Content/UploadFiles/00/00/00/" . $_FILES [ "file" ][ "name" ]);
}
}
}
else
{
echo "err" ;
}
?>
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以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持服务器之家。
原文链接:http://www.cnblogs.com/woaichirourou/p/7567438.html