上传图片功能：
获取当前文件夹位置，上传到当前文件夹下
为了上传后文件名重复导致覆盖，上传后更改名字为：当前时间+原文件名
只允许gif、jpeg、bmg、jpg格式的文件上传
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<form name=
"frm1"
enctype=
"multipart/form-data"
action=
""
method=
"post"
>
<input name=
"filename"
type=
"file"
style=
"border:solid 1px #6ac1e2; width: 200px; border-radius: 5px"
/>
<input name=
"submit"
type=
"submit"
value=
"提交"
style=
"background-color: #e28c8e;border-radius: 5px; font-size: 14px;"
/>
</form>
<?php
if
(isset(
$_POST
[
'submit'
])) {
$dir
= dirname(
__FILE__
);
$dir
=
str_replace
(
"//"
,
"/"
,
$dir
) .
"/"
;
date_default_timezone_set(
"PRC"
);
$date
=
date
(
"YmdHis"
);
$filename
=
$date
.
$_FILES
[
'filename'
][
'name'
];
$uploadfile
=
$dir
.
$filename
;
$tp
=
array
(
"image/gif"
,
"image/jpeg"
,
"image/bmg"
,
"image/jpg"
);
if
(!in_array(
$_FILES
[
"filename"
][
"type"
],
$tp
)) {
echo
'<script>alert("允许上传的图片格式:jpg/jpeg/gif/bmp")</script>'
;
}
else
{
$r_sc
= move_uploaded_file(
$_FILES
[
'filename'
][
"tmp_name"
],
$uploadfile
);
echo
'<img src="'
.
$filename
.
'"/>'
;
}
}
?>
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本文转自谢育政 51CTO博客，原文链接：http://blog.51cto.com/kurolz/1927823，如需转载请自行联系原作者
