将Base64编码的图像上载到PHP服务器
我正在尝试从Android应用程序将Base64编码的.Png文件上载到PHP服务器 下面的代码在响应中不返回任何内容。我做错了什么 我正在发送Base64编码字符串和文件名。(例如:“sign1234.png”)将Base64编码的图像上载到PHP服务器,php,upload,base64,Php,Upload,Base64,我正在尝试从Android应用程序将Base64编码的.Png文件上载到PHP服务器 下面的代码在响应中不返回任何内容。我做错了什么 我正在发送Base64编码字符串和文件名。(例如:“sign1234.png”) 您似乎试图从post获取数据,但也从$\u文件获取图像数据,但如果我正确阅读您的评论,您只发送了$\u post['image']和$\u post['name']的数据。我已经写了一个脚本,只使用这2个给定的数据。我没有测试我的脚本,但它应该可以帮你 改变 private$save
您似乎试图从post获取数据,但也从$\u文件获取图像数据,但如果我正确阅读您的评论,您只发送了$\u post['image']和$\u post['name']的数据。我已经写了一个脚本,只使用这2个给定的数据。我没有测试我的脚本,但它应该可以帮你
改变
private$save_path='serverpath/to/image/folder/'
查看您的服务器详细信息
代码:
你的问题是什么?我认为您可以测试自己是否有问题。$\u文件['$png']可能为空,因为图像在请求中作为base 64对象提供,而不是来自多部分表单的文件。非常感谢您的回答。工作得很有魅力。。!在获得第0项而不是$imgarr[1]时做了一个小改动
<?php
if(isset($_POST['image']) && isset($_POST['name']){
$image = $_POST['image'];
$name = $_POST['name'];
$png = base64_to_jpeg($image,$name);
$target = 'uploads/'.$name;
$result = move_uploaded_file( $_FILES['$png']['tmp_name'], $target);
if($result){
$response["success"] = 1;
$response["message"] = "Upload Successful.";
echo json_encode($response);
}else{
$response["success"] = 0;
$response["message"] = "Server error. Could not upload.";
echo json_encode($response);
}
}
function base64_to_jpeg($base64_string, $output_file) {
$ifp = fopen($output_file, "wb");
$data = explode(',', $base64_string);
fwrite($ifp, base64_decode($data[1]));
fclose($ifp);
return $output_file;
}
?>
<?php
class image{
private $save_path = 'serverpath/to/image/folder/';
private $image_string = '';
private $image_name = '';
private $image;
private $response = array();
public $loaded = false;
public function __construct(){
$this->response = array(
'success' => 0,
'message' => 'unknown error.'
);
$this->image_name = filter_input(INPUT_POST, 'name');
$this->image_string = filter_input(INPUT_POST, 'image');
if(!empty($this->image_name) && !empty($this->image_string)){
$this->loaded = true;
}
}
public function save(){
if(!empty($this->image_name) && !empty($this->image_string)){
return $this->progress();
}
else{
$this->response['message'] = 'Error. Not all required infor is given.';
return $this->response;
}
}
private function progress(){
$imgarr = explode(',', $this->image_string);
if(!isset($imgarr[1])){
$this->response['message'] = 'Error on post data image. String is not the expected string.';
return $this->response;
}
$this->image = base64_decode($imgarr[1]);
if(!is_null($this->image)){
$file = $this->save_path . $this->image_name;
if(file_exists($file)){
$this->response['message'] = 'Image already exists on server.';
return $this->response;
}
if(file_put_contents($file, $this->image) !== false){
$this->response['error'] = 1;
$this->response['message'] = 'Image saved to server';
return $this->response;
}
else{
$this->response['message'] = 'Error writing file to disk';
return $this->response;
}
}
else{
$this->response['message'] = 'Error decoding base64 string.';
return $this->response;
}
}
}
$img = new image();
if($img->loaded){
$result = $img->save();
echo json_encode($result);
}
else{
$result = array(
'success' => 0,
'message' => 'Not all post data given'
);
echo json_encode($result);
}