blocks|key|3056472|text|将代码中的file_get_content()函数更改为file_get_contents()。函数名末尾缺少“%25s”。这就是为什么它会给出未定义的函数错误。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|3056473|file_get_contents()|3056474|删除行中$image文件后的最后一个不必要的逗号|3056475|"INSERT+INTO+content+VALUES+++++++++('','','','','','','','','','$image_name','$image',)|code-block|syntax|javascript|3056476|entityMap|0|LINK|mutability|MUTABLE|url|http://php.net/manual/en/function.file-get-contents.php^0|5|I|S|J|0|0|J|0|0|4|6|0|0^^$0|@$1|2|3|4|5|6|7|W|8|@$9|X|A|Y|B|C]|$9|Z|A|10|B|C]]|D|@]|E|$]]|$1|F|3|G|5|6|7|11|8|@]|D|@$9|12|A|13|1|14]]|E|$]]|$1|H|3|I|5|6|7|15|8|@$9|16|A|17|B|C]]|D|@]|E|$]]|$1|J|3|K|5|L|7|18|8|@]|D|@]|E|$M|N]]|$1|O|3|-4|5|6|7|19|8|@]|D|@]|E|$]]]|P|$Q|$5|R|S|T|E|$U|V]]]]

Change function <code>file_get_content()</code> in your code to <code>file_get_contents()</code> . You are missing 's' at the end of function name. That is why it is giving undefined function error.

<a href="http://php.net/manual/en/function.file-get-contents.php" rel="nofollow">file_get_contents()</a>

Remove last unnecessary comma after <code>$image</code> filed in line

<pre><code>"INSERT INTO content VALUES ('','','','','','','','','','$image_name','$image',)
</code></pre>

blocks|key|204504|text|代码忽略了对函数move_uploaded_file()的调用，该函数将检查指定的文件是否可以上传。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|204505|您可能希望在以下位置查看一个简单的示例：|204506|http://www.w3schools.com/php/php_file_upload.asp|offset|length|204507|entityMap|0|LINK|mutability|MUTABLE|url^0|0|0|0|1C|0|0^^$0|@$1|2|3|4|5|6|7|O|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|P|8|@]|9|@]|A|$]]|$1|D|3|E|5|6|7|Q|8|@]|9|@$F|R|G|S|1|T]]|A|$]]|$1|H|3|-4|5|6|7|U|8|@]|9|@]|A|$]]]|I|$J|$5|K|L|M|A|$N|E]]]]

The code overlooks calling the function move_uploaded_file() which would check whether the indicated file is valid for uploading.

You may wish to review a simple example at:

<a href="http://www.w3schools.com/php/php_file_upload.asp" rel="nofollow noreferrer">http://www.w3schools.com/php/php_file_upload.asp</a>

blocks|key|3056481|text|您需要添加两个新文件，一个是index.html，复制并粘贴以下代码，另一个是imageup.php，它将上传您的图像|type|unstyled|depth|inlineStyleRanges|entityRanges|data|3056482|+<form+action="imageup.php"+method="post"+enctype="multipart/form-data">
+<input+type="file"+name="banner"+>
+<input+type="submit"+value="submit">
+</form>

+imageup.php
+<?php
+$banner=$_FILES['banner']['name'];+
+$expbanner=explode('.',$banner);
+$bannerexptype=$expbanner[1];
+date_default_timezone_set('Australia/Melbourne');
+$date+=+date('m/d/Yh:i:sa',+time());
+$rand=rand(10000,99999);
+$encname=$date.$rand;
+$bannername=md5($encname).'.'.$bannerexptype;
+$bannerpath="uploads/banners/".$bannername;
+move_uploaded_file($_FILES["banner"]["tmp_name"],$bannerpath);
+?>|code-block|syntax|javascript|3056483|以上代码将使用加密名称上传您的图像|3056484|entityMap^0|0|0|0^^$0|@$1|2|3|4|5|6|7|K|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|L|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|M|8|@]|9|@]|A|$]]|$1|I|3|-4|5|6|7|N|8|@]|9|@]|A|$]]]|J|$]]

You need to add two new file one is index.html, copy and paste the below code and other is imageup.php which will upload your image

<pre><code> &lt;form action="imageup.php" method="post" enctype="multipart/form-data"&gt;
 &lt;input type="file" name="banner" &gt;
 &lt;input type="submit" value="submit"&gt;
 &lt;/form&gt;

 imageup.php
 &lt;?php
 $banner=$_FILES['banner']['name']; 
 $expbanner=explode('.',$banner);
 $bannerexptype=$expbanner[1];
 date_default_timezone_set('Australia/Melbourne');
 $date = date('m/d/Yh:i:sa', time());
 $rand=rand(10000,99999);
 $encname=$date.$rand;
 $bannername=md5($encname).'.'.$bannerexptype;
 $bannerpath="uploads/banners/".$bannername;
 move_uploaded_file($_FILES["banner"]["tmp_name"],$bannerpath);
 ?&gt;
</code></pre>

The above code will upload your image with encrypted name

blocks|key|208908|text|<?php

$filename=$_FILES['file']['name'];
$filetype=$_FILES['file']['type'];
if($filetype=='image/jpeg'+or+$filetype=='image/png'+or+$filetype=='image/gif')
{
move_uploaded_file($_FILES['file']['tmp_name'],'dir_name/'.$filename);
$filepath="dir_name`enter+code+here`/".$filename;
}

?>+|type|code-block|depth|inlineStyleRanges|entityRanges|data|syntax|javascript|208909|unstyled|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|G|8|@]|9|@]|A|$B|C]]|$1|D|3|-4|5|E|7|H|8|@]|9|@]|A|$]]]|F|$]]

<pre><code>&lt;?php

$filename=$_FILES['file']['name'];
$filetype=$_FILES['file']['type'];
if($filetype=='image/jpeg' or $filetype=='image/png' or $filetype=='image/gif')
{
move_uploaded_file($_FILES['file']['tmp_name'],'dir_name/'.$filename);
$filepath="dir_name`enter code here`/".$filename;
}

?&gt; 
</code></pre>

blocks|key|207276|text|++<?php+
+$target_dir+=+"images/";
++++echo+$target_file+=+$target_dir+.+basename($_FILES["image"]["name"]);
++++$post_tmp_img+=+$_FILES["image"]["tmp_name"];
++++$imageFileType+=+strtolower(pathinfo($target_file,+PATHINFO_EXTENSION));
++++$post_imag+=+$_FILES["image"]["name"];
++++++++move_uploaded_file($post_tmp_img,"../images/$post_imag");
+?>|type|code-block|depth|inlineStyleRanges|entityRanges|data|syntax|javascript|207277|unstyled|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|G|8|@]|9|@]|A|$B|C]]|$1|D|3|-4|5|E|7|H|8|@]|9|@]|A|$]]]|F|$]]

<pre><code> &lt;?php 
 $target_dir = "images/";
 echo $target_file = $target_dir . basename($_FILES["image"]["name"]);
 $post_tmp_img = $_FILES["image"]["tmp_name"];
 $imageFileType = strtolower(pathinfo($target_file, PATHINFO_EXTENSION));
 $post_imag = $_FILES["image"]["name"];
 move_uploaded_file($post_tmp_img,"../images/$post_imag");
 ?&gt;
</code></pre>

blocks|key|207317|text|我建议您将图像保存在服务器中，然后将URL保存在MYSQL数据库中。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|207318|首先，在未经验证的文件可能导致巨大的安全风险之前，您应该对映像进行更多的验证。|207319|207320|检查图像|ordered-list-item|207321|207322|if+(empty($_FILES‘missing');|207323|Save’))抛出新异常(‘image+file+is+missing’)；|unordered-list-item|207324|
|207325|Save+the+image+in+a+variable|207326|207327|$image+=+$_FILES'image';|207328|Check上传时间错误|207329|207330|if+($image'error‘!==+0)+{+if+($image'error’===+1)抛出新异常(‘超过最大上传大小’)；抛出新异常(‘图像上传错误:+INI错误’)；}|207331|检查服务器中是否存在上传的文件|207332|207333|如果(！file_exists($Image‘’tmp_name‘))抛出新异常(’图像文件在server');|207334|Validate中丢失文件大小(根据需要更改))|207335|207336|$maxFileSize+=2*+10e6；//+=2000+000字节=+2MB+if+($+image+'+size‘>+$maxFileSize)抛出新异常(’超过最大大小限制‘)；|207337|验证镜像(检查文件是否为镜像)|207338|207339|$imageData+=getimagesize_+mime+($+image‘’tmp_$imageData‘)；如果(!$imageData)抛出新异常(’无效图像mime类型(根据需要执行此操作))|207340|$mimeType+=$imageData‘’mime‘；$allowedMimeTypes+=+'image/jpeg'，'image/+PNG+'，'image/gif'；if+(!in_array($mimeType，$allowedMimeTypes))抛出新异常(’只允许JPEG，PNG和gif‘)；|207341|这可能会帮助你用PHP创建一个安全的图像上传脚本。|207342|代码来源：https://developer.hyvor.com/php/image-upload-ajax-php-mysql|offset|length|207343|此外，我建议您使用MYSQLI+prepared+statements进行查询，以提高安全性。|207344|谢谢。|207345|entityMap|0|LINK|mutability|MUTABLE|url|https://developer.hyvor.com/php/image-upload-ajax-php-mysql|1|https://developer.hyvor.com/php/prepared-statements^0|0|0|0|0|0|0|0|0|0|0|0|0|0|0|0|0|0|0|0|0|0|0|0|0|0|5|1N|0|0|9|Q|1|0|0^^$0|@$1|2|3|4|5|6|7|20|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|21|8|@]|9|@]|A|$]]|$1|D|3|-4|5|6|7|22|8|@]|9|@]|A|$]]|$1|E|3|F|5|G|7|23|8|@]|9|@]|A|$]]|$1|H|3|-4|5|6|7|24|8|@]|9|@]|A|$]]|$1|I|3|J|5|6|7|25|8|@]|9|@]|A|$]]|$1|K|3|L|5|M|7|26|8|@]|9|@]|A|$]]|$1|N|3|O|5|6|7|27|8|@]|9|@]|A|$]]|$1|P|3|Q|5|M|7|28|8|@]|9|@]|A|$]]|$1|R|3|-4|5|6|7|29|8|@]|9|@]|A|$]]|$1|S|3|T|5|6|7|2A|8|@]|9|@]|A|$]]|$1|U|3|V|5|M|7|2B|8|@]|9|@]|A|$]]|$1|W|3|-4|5|6|7|2C|8|@]|9|@]|A|$]]|$1|X|3|Y|5|6|7|2D|8|@]|9|@]|A|$]]|$1|Z|3|10|5|M|7|2E|8|@]|9|@]|A|$]]|$1|11|3|-4|5|6|7|2F|8|@]|9|@]|A|$]]|$1|12|3|13|5|6|7|2G|8|@]|9|@]|A|$]]|$1|14|3|15|5|M|7|2H|8|@]|9|@]|A|$]]|$1|16|3|-4|5|6|7|2I|8|@]|9|@]|A|$]]|$1|17|3|18|5|6|7|2J|8|@]|9|@]|A|$]]|$1|19|3|1A|5|M|7|2K|8|@]|9|@]|A|$]]|$1|1B|3|-4|5|6|7|2L|8|@]|9|@]|A|$]]|$1|1C|3|1D|5|6|7|2M|8|@]|9|@]|A|$]]|$1|1E|3|1F|5|6|7|2N|8|@]|9|@]|A|$]]|$1|1G|3|1H|5|6|7|2O|8|@]|9|@]|A|$]]|$1|1I|3|1J|5|6|7|2P|8|@]|9|@$1K|2Q|1L|2R|1|2S]]|A|$]]|$1|1M|3|1N|5|6|7|2T|8|@]|9|@$1K|2U|1L|2V|1|2W]]|A|$]]|$1|1O|3|1P|5|6|7|2X|8|@]|9|@]|A|$]]|$1|1Q|3|-4|5|6|7|2Y|8|@]|9|@]|A|$]]]|1R|$1S|$5|1T|1U|1V|A|$1W|1X]]|1Y|$5|1T|1U|1V|A|$1W|1Z]]]]

I would recommend you to save the image in the server, and then save the URL in MYSQL database. 

First of all, you should do more validation on your image, before non-validated files can lead to huge security risks.

<ol>
<li>Check the image

<pre><code>if (empty($_FILES['image']))
 throw new Exception('Image file is missing');
</code></pre></li>
<li>Save the image in a variable

<pre><code>$image = $_FILES['image'];
</code></pre></li>
<li>Check the upload time errors

<pre><code>if ($image['error'] !== 0) {
 if ($image['error'] === 1) 
 throw new Exception('Max upload size exceeded');

 throw new Exception('Image uploading error: INI Error');
}
</code></pre></li>
<li>Check whether the uploaded file exists in the server

<pre><code>if (!file_exists($image['tmp_name']))
 throw new Exception('Image file is missing in the server');
</code></pre></li>
<li>Validate the file size (Change it according to your needs)

<pre><code> $maxFileSize = 2 * 10e6; // = 2 000 000 bytes = 2MB
 if ($image['size'] &gt; $maxFileSize)
 throw new Exception('Max size limit exceeded'); 
</code></pre></li>
<li>Validate the image (Check whether the file is an image)

<pre><code> $imageData = getimagesize($image['tmp_name']);
 if (!$imageData) 
 throw new Exception('Invalid image');
</code></pre></li>
<li>Validate the image mime type (Do this according to your needs)

<pre><code> $mimeType = $imageData['mime'];
 $allowedMimeTypes = ['image/jpeg', 'image/png', 'image/gif'];
 if (!in_array($mimeType, $allowedMimeTypes)) 
 throw new Exception('Only JPEG, PNG and GIFs are allowed');
</code></pre></li>
</ol>

This might help you to create a secure image uploading script with PHP.

Code source: <a href="https://developer.hyvor.com/php/image-upload-ajax-php-mysql" rel="nofollow noreferrer">https://developer.hyvor.com/php/image-upload-ajax-php-mysql</a>

Additionally, I suggest you use <a href="https://developer.hyvor.com/php/prepared-statements" rel="nofollow noreferrer">MYSQLI prepared statements</a> for queries to improve security. 

Thank you.

blocks|key|3056568|text|这段代码很容易通过php上传文件。在这段代码中，我在同一个页面中执行上传任务，这意味着我们的html和php两个代码都驻留在同一个文件中。此代码生成图像名称的新名称。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|3056569|首先查看html代码|3056570|<form+action="index.php"+method="post"+enctype="multipart/form-data">
+<input+type="file"+name="banner_image"+>
+<input+type="submit"+value="submit">
+</form>|code-block|syntax|javascript|3056571|现在看php代码。|3056572|<?php
$image_name=$_FILES['banner_image']['name'];
+++++++$temp+=+explode(".",+$image_name);
++++++++$newfilename+=+round(microtime(true))+.+'.'+.+end($temp);
+++++++$imagepath="uploads/".$newfilename;
+++++++move_uploaded_file($_FILES["banner_image"]["tmp_name"],$imagepath);
?>|3056573|entityMap^0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|O|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|P|8|@]|9|@]|A|$]]|$1|D|3|E|5|F|7|Q|8|@]|9|@]|A|$G|H]]|$1|I|3|J|5|6|7|R|8|@]|9|@]|A|$]]|$1|K|3|L|5|F|7|S|8|@]|9|@]|A|$G|H]]|$1|M|3|-4|5|6|7|T|8|@]|9|@]|A|$]]]|N|$]]

This code is very easy to upload file by php. In this code I am performing uploading task in same page that mean our html and php both code resides in the same file. This code generates new name of image name.

first of all see the html code

<pre><code>&lt;form action="index.php" method="post" enctype="multipart/form-data"&gt;
 &lt;input type="file" name="banner_image" &gt;
 &lt;input type="submit" value="submit"&gt;
 &lt;/form&gt;
</code></pre>

now see the php code

<pre><code>&lt;?php
$image_name=$_FILES['banner_image']['name'];
 $temp = explode(".", $image_name);
 $newfilename = round(microtime(true)) . '.' . end($temp);
 $imagepath="uploads/".$newfilename;
 move_uploaded_file($_FILES["banner_image"]["tmp_name"],$imagepath);
?&gt;
</code></pre>

blocks|key|3056613|text|简单的PHP+文件/图片上传代码在同一页。|type|unstyled|depth|inlineStyleRanges|offset|length|style|BOLD|entityRanges|data|3056614|<form+action=""+method="post"+enctype="multipart/form-data">
++<table+border="1px">
++++<tr><td><input+type="file"+name="image"+></td></tr>
++++<tr><td>+<input+type="submit"+value="upload"+name="btn"></td></tr>
++</table>
</form>

+<?php
+++if(isset($_POST['btn'])){
+++++$image=$_FILES['image']['name'];+
+++++$imageArr=explode('.',$image);+//first+index+is+file+name+and+second+index+file+type
+++++$rand=rand(10000,99999);
+++++$newImageName=$imageArr[0].$rand.'.'.$imageArr[1];
+++++$uploadPath="uploads/".$newImageName;
+++++$isUploaded=move_uploaded_file($_FILES["image"]["tmp_name"],$uploadPath);
+++++if($isUploaded)
+++++++echo+'successfully+file+uploaded';
+++++else
+++++++echo+'something+went+wrong';+
+++}

+?>|code-block|syntax|javascript|3056615|entityMap^0|7|7|0|0^^$0|@$1|2|3|4|5|6|7|M|8|@$9|N|A|O|B|C]]|D|@]|E|$]]|$1|F|3|G|5|H|7|P|8|@]|D|@]|E|$I|J]]|$1|K|3|-4|5|6|7|Q|8|@]|D|@]|E|$]]]|L|$]]

Simple PHP file/image upload code on same page.

<pre><code>&lt;form action="" method="post" enctype="multipart/form-data"&gt;
 &lt;table border="1px"&gt;
 &lt;tr&gt;&lt;td&gt;&lt;input type="file" name="image" &gt;&lt;/td&gt;&lt;/tr&gt;
 &lt;tr&gt;&lt;td&gt; &lt;input type="submit" value="upload" name="btn"&gt;&lt;/td&gt;&lt;/tr&gt;
 &lt;/table&gt;
&lt;/form&gt;

 &lt;?php
 if(isset($_POST['btn'])){
 $image=$_FILES['image']['name']; 
 $imageArr=explode('.',$image); //first index is file name and second index file type
 $rand=rand(10000,99999);
 $newImageName=$imageArr[0].$rand.'.'.$imageArr[1];
 $uploadPath="uploads/".$newImageName;
 $isUploaded=move_uploaded_file($_FILES["image"]["tmp_name"],$uploadPath);
 if($isUploaded)
 echo 'successfully file uploaded';
 else
 echo 'something went wrong'; 
 }

 ?&gt;
</code></pre>

blocks|key|204604|text|下面是一个基本的示例，说明如何将具有特定限制(如下所列)的镜像文件上传到服务器。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|204605|204606|图像的存在性。|unordered-list-item|204607|图像扩展验证|204608|检查图像size.Credit+to+this页面。|offset|length|204609|204610|entityMap|0|LINK|mutability|MUTABLE|url|https://www.tutorialspoint.com/php/php_file_uploading.htm^0|0|0|0|0|J|4|0|0|0^^$0|@$1|2|3|4|5|6|7|U|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|V|8|@]|9|@]|A|$]]|$1|C|3|D|5|E|7|W|8|@]|9|@]|A|$]]|$1|F|3|G|5|E|7|X|8|@]|9|@]|A|$]]|$1|H|3|I|5|E|7|Y|8|@]|9|@$J|Z|K|10|1|11]]|A|$]]|$1|L|3|-4|5|6|7|12|8|@]|9|@]|A|$]]|$1|M|3|-4|5|6|7|13|8|@]|9|@]|A|$]]]|N|$O|$5|P|Q|R|A|$S|T]]]]

Here is a basic example of how an image file with certain restrictions (listed below) can be uploaded to the server.

<ul>
<li>Existence of the image. </li>
<li>Image extension validation </li>
<li>Checks for image size.

<pre><code>&lt;?php
 $newfilename = "newfilename";

 if(isset($_FILES['image'])){
 $errors= array();
 $file_name = $_FILES['image']['name'];
 $file_size =$_FILES['image']['size'];
 $file_tmp =$_FILES['image']['tmp_name'];
 $file_type=$_FILES['image']['type'];
 $file_ext=strtolower(end(explode('.',$_FILES['image']['name'])));

 $expensions= array("jpeg","jpg","png");
 if(file_exists($file_name)) {
 echo "Sorry, file already exists.";
 }
 if(in_array($file_ext,$expensions)=== false){
 $errors[]="extension not allowed, please choose a JPEG or PNG file.";
 }

 if($file_size &gt; 2097152){
 $errors[]='File size must be excately 2 MB';
 }

 if(empty($errors)==true){
 move_uploaded_file($file_tmp,"images/".$newfilename.".".$file_ext);
 echo "Success";
 echo "&lt;script&gt;window.close();&lt;/script&gt;";

 }

 else{
 print_r($errors);
 }
 }
?&gt;
&lt;html&gt;
 &lt;body&gt;

 &lt;form action="" method="POST" enctype="multipart/form-data"&gt;
 &lt;input type="file" name="image" /&gt;
 &lt;input type="submit"/&gt;
 &lt;/form&gt;

 &lt;/body&gt;
&lt;/html&gt;
</code></pre>

Credit to <a href="https://www.tutorialspoint.com/php/php_file_uploading.htm" rel="nofollow noreferrer">this</a> page.</li>
</ul>

Alright I have way to much time invested in this. I am new to PHP programming and trying to grasp the basics, but I am a little lost as of last night I was able to get a PHP form to upload basic data like a name address and stuff to my (MySQL) server.

But today I said let's do the next step which would be an image to the server.
I have watched 3 videos on YouTube probably a 100 times just recoping code and trying it in so many different ways.

<pre><code>http://www.youtube.com/watch?v=CxY3FR9doHI
http://www.youtube.com/watch?v=vFZfJZ_WNC4&amp;feature=relmfu
</code></pre>

and still haven't been able to get it. 

But long story short: I have a config.php file that connects to the server and here is the the code I'm running on the upload form page:

<pre><code>&lt;html&gt;
 &lt;head&gt;
 &lt;title&gt;Upload an image&lt;/title&gt;
 &lt;/head&gt;
&lt;body&gt;
 &lt;form action="UploadContent.php" method="POST" enctype="multipart/form-data"&gt;
 File:
 &lt;input type="file" name="image"&gt; &lt;input type="submit" value="Upload"&gt;
 &lt;/form&gt;
&lt;?php

// connect to database
include"config.php";

// file properties
$file = $_FILES['image']['tmp_name'];

if (!isset($file))
 echo "Please select a profile pic";
else
{
 $image = addslashes(file_get_content($_FILES['image']['tmp_name']));
 $image_name = addslashes($FILES['image']['name']);
 $image_size = getimagesize($_FILES['image']['tmp_name']);

 if ($image_size==FALSE)
 echo "That isn't a image.";
 else
 {
 $insert = mysql_query("INSERT INTO content VALUES ('','','','','','','','','','$image_name','$image',)");
 }
}
?&gt;
 &lt;/body&gt;
&lt;/html&gt;
</code></pre>

The reason for all the <code>'', '', '', ''</code> on the insert line is because I have the name in the 10th field and the image blob in the 11th and all the ones leading up to that are first name, last name and random stuff like that. How can I fix this? It is returning the error:

<blockquote>
 Fatal error: Call to undefined function file_get_content() in /home/content/34/9587634/html/WEBPAGE/UploadContent.php on line 22
</blockquote>

I don't know what to do.

PHP upload image

SQL数据库

数据库

服务器

MySQL

好的，我在这上面投入了很多时间。我是PHP编程的新手，并试图掌握基础知识，但我有点迷茫，因为昨晚我能够获得一个PHP表单，将基本数据上传到我的(MySQL)服务器上。但今天我说让我们做下一步，这将是一个图像到服务器。我在YouTube上看了3个视频，大概有100多次，只是重述代码，并尝试了很多不同的方法。http://...

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