PHP如何将图片文件上传到另外一台服务器上

// [ 应用入口文件 ]
//入口文件index.php 
namespace think;

// 加载基础文件
require __DIR__ . '/thinkphp/base.php';

// 支持事先使用静态方法设置Request对象和Config对象
header("Access-Control-Allow-Origin: *");
header("Access-Control-Allow-Headers: Content-Type,XFILENAME,XFILECATEGORY,XFILESIZE,authorization");
// 执行应用并响应
Container::get('app')->bind('api')->run()->send();

/**上传图片
  * @param Request $request
  */
 public function uploadImg(Request $request){
  $file = $request->file('image');
  $type = $request->post('type', 0);
  // 移动到框架应用根目录/uploads/ 目录下
  $upload_path = config('common.upload_path');
  switch ($type) {
   case 1://门店
    $path = $upload_path['shop_img'];
    break;
   case 2://投票活动
    $path = $upload_path['vote_img'];
    break;
   case 3://投票活动参赛图片
    $path = $upload_path['vote_contestant_img'];
    break;
   case 4://会员店铺logo图片
    $path = $upload_path['member_shop'];
    break;
   case 5://自营商品图片
    $path = $upload_path['self_goods'];
    break;
   default:
    $path = $upload_path['common'];
    break;
  }
  $save_path = env('root_path').$path;
  $info = $file->validate(['ext'=>'jpg,jpeg,png,gif'])->move($save_path);
  if($info){
   $return = [
    'extension' => $info->getExtension(),
    'image_path' => $path.$info->getSaveName(),
    'image_name' => $info->getFilename(),
   ];
   $this->apiResult(CustomError::OPERATION_SUCCSESS, $return);
  }else{
   $this->apiResult(CustomError::OPERATION_FAILED, [], $file->getError());
  }
 }

//文件上传接受参数
array(1) {
 ["file_upload"] => array(5) {
 ["name"] => string(8) "timg.jpg"
 ["type"] => string(10) "image/jpeg"
 ["tmp_name"] => string(22) "C:\Windows\php73CE.tmp"
 ["error"] => int(0)
 ["size"] => int(355565)
 }
}

<?php
//1、HttpRequest 发送http请求
$request = new HttpRequest();
$request->setUrl('http://jszapi.dev.jingjinglego.com/index.php/index/uploadImg');
$request->setMethod(HTTP_METH_POST);

$request->setHeaders(array(
 'cache-control' => 'no-cache',
 'Connection' => 'keep-alive',
 'Content-Length' => '39091',
 'Content-Type' => 'multipart/form-data; boundary=--------------------------296608706222243058746908',
 'Accept-Encoding' => 'gzip, deflate',
 'Host' => 'jszapi.dev.jingjinglego.com',
 'Postman-Token' => 'dc010150-b166-4dec-a33f-959a65c91c71,be7315cb-ae21-404f-89fa-dddf5973eb3a',
 'Cache-Control' => 'no-cache',
 'Accept' => '*/*',
 'User-Agent' => 'PostmanRuntime/7.15.2',
 'content-type' => 'multipart/form-data; boundary=----WebKitFormBoundary7MA4YWxkTrZu0gW'
));

$request->setBody('------WebKitFormBoundary7MA4YWxkTrZu0gW
Content-Disposition: form-data; name="image"; filename="785da43beca5a474.jpg"
Content-Type: image/jpeg


------WebKitFormBoundary7MA4YWxkTrZu0gW--');

try {
 $response = $request->send();

 echo $response->getBody();
} catch (HttpException $ex) {
 echo $ex;
}

<?php
//2、pecl_http 需要开启PECL HTTP 扩展
$client = new http\Client;
$request = new http\Client\Request;

$body = new http\Message\Body;
$body->addForm(NULL, array(
 array(
 'name' => 'image',
 'type' => null,
 'file' => '/E:/MyBooks/网站图标/网站素材/785da43beca5a474.jpg',
 'data' => null
 )
));

$request->setRequestUrl('http://jszapi.dev.jingjinglego.com/index.php/index/uploadImg');
$request->setRequestMethod('POST');
$request->setBody($body);

$request->setHeaders(array(
 'cache-control' => 'no-cache',
 'Connection' => 'keep-alive',
 'Content-Length' => '39091',
 'Content-Type' => 'multipart/form-data; boundary=--------------------------296608706222243058746908',
 'Accept-Encoding' => 'gzip, deflate',
 'Host' => 'jszapi.dev.jingjinglego.com',
 'Postman-Token' => 'dc010150-b166-4dec-a33f-959a65c91c71,3216cc22-be61-4d4b-8d41-c5178848b54f',
 'Cache-Control' => 'no-cache',
 'Accept' => '*/*',
 'User-Agent' => 'PostmanRuntime/7.15.2'
));

$client->enqueue($request)->send();
$response = $client->getResponse();

echo $response->getBody();

<?php
//3、cURL 是一个非常强大的开源库，支持很多协议，包括HTTP、FTP、TELNET等，我们使用它来发送HTTP请求。//它给我们带来的好处是可以通过灵活的选项设置不同的HTTP协议参数，并且支持HTTPS。CURL可以根据URL前缀是“HTTP” 还是“HTTPS”自动选择是否加密发送内容。

$curl = curl_init();

curl_setopt_array($curl, array(
 CURLOPT_URL => "http://jszapi.dev.jingjinglego.com/index.php/index/uploadImg",
 CURLOPT_RETURNTRANSFER => true,
 CURLOPT_ENCODING => "",
 CURLOPT_MAXREDIRS => 10,
 CURLOPT_TIMEOUT => 30,
 CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
 CURLOPT_CUSTOMREQUEST => "POST",
 CURLOPT_POSTFIELDS => "------WebKitFormBoundary7MA4YWxkTrZu0gW\r\nContent-Disposition: form-data; name=\"image\"; filename=\"785da43beca5a474.jpg\"\r\nContent-Type: image/jpeg\r\n\r\n\r\n------WebKitFormBoundary7MA4YWxkTrZu0gW--",
 CURLOPT_HTTPHEADER => array(
 "Accept: */*",
 "Accept-Encoding: gzip, deflate",
 "Cache-Control: no-cache",
 "Connection: keep-alive",
 "Content-Length: 39091",
 "Content-Type: multipart/form-data; boundary=--------------------------296608706222243058746908",
 "Host: jszapi.dev.jingjinglego.com",
 "Postman-Token: dc010150-b166-4dec-a33f-959a65c91c71,982e059e-bd8b-4db9-83c4-3fd52c8ed82f",
 "User-Agent: PostmanRuntime/7.15.2",
 "cache-control: no-cache",
 "content-type: multipart/form-data; boundary=----WebKitFormBoundary7MA4YWxkTrZu0gW"
 ),
));

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
 echo "cURL Error #:" . $err;
} else {
 echo $response;
}

#开启ftp扩展支持
extension=php_ftp.dll

#上传图片京手指 1:图片保留到本地
 public function uploadJszImg()
 {$path = config('business.jsz_file_tem');
  $file = request()->file('file_upload');
  $info = $file->validate(['ext'=>'jpg,jpeg,png,gif'])->move($path);//图片保存到本地
  $img_one = $path.$info->getSaveName();//图片路径
  $img_base = imgToBase64($img_one);//获取图片base64编码格式
  deleteFileWay($path);//删除临时文件
  $url = config('business.jsz_api')['baseImg'];
  $data = [
   'base_string'=> $img_base,
   'path' => 'upload/goods_img',
  ];
  $res = http_api($url,$data,1);
  $res = json_decode($res,true);
  if($res['data']){
   $return = ['code'=>1,'message'=>'成功','data'=>'jszapi.dev.jingjinglego.com'.$res['data']];
  }else{
   $return = ['code'=>0,'message'=>'失败'];
  }
  return $return;
 }

/**
 * 获取图片的Base64编码(不支持url)
 * @param $img_file 传入本地图片地址
 * @return string
 */
function imgToBase64($img_file) {
 $img_base64 = '';
 if (file_exists($img_file)) {
  $app_img_file = $img_file; // 图片路径
  $img_info = getimagesize($app_img_file); // 取得图片的大小，类型等
  //echo '<pre>' . print_r($img_info, true) . '</pre><br>';
  $fp = fopen($app_img_file, "r"); // 图片是否可读权限
  if ($fp) {
   $filesize = filesize($app_img_file);
   $content = fread($fp, $filesize);
   $file_content = chunk_split(base64_encode($content)); // base64编码
   switch ($img_info[2]) {   //判读图片类型
    case 1: $img_type = "gif";
     break;
    case 2: $img_type = "jpg";
     break;
    case 3: $img_type = "png";
     break;
   }
   $img_base64 = 'data:image/' . $img_type . ';base64,' . $file_content;//合成图片的base64编码
  }
  fclose($fp);
 }
 return $img_base64; //返回图片的base64
}

/**
  * 将base64字符串转换成图片并保存在本地
  * @param Request $request
  * @return void
  */
 public function baseImg(Request $request)
 {
  $base_string = $request->post('base_string', '');
  if (!$base_string) {
   $this->apiResult(CustomError::MISSING_PARAMS);
  }
  $path = $request->post('path', '');
  if (!$path) {
   $this->apiResult(CustomError::MISSING_PARAMS);
  }
  $request = base64_image_content($base_string, $path);//解码
  if($request){
   $this->apiResult(CustomError::OPERATION_SUCCSESS, $request);
  }else{
   $this->apiResult(CustomError::OPERATION_FAILED);
  }
 }

/**
 * [将Base64图片转换为本地图片并保存]
 * @param [Base64] $base64_image_content [要保存的Base64]
 * @param [目录] $path [要保存的路径]
 */
function base64_image_content($base64_image_content,$path){
 //匹配出图片的格式
 if (preg_match('/^(data:\s*image\/(\w+);base64,)/', $base64_image_content, $result)){
  $type = $result[2];
  $new_file = $path."/".date('Ymd',time())."/";
  if(!file_exists($new_file)){
   //检查是否有该文件夹，如果没有就创建，并给予最高权限
   mkdir($new_file, 0700);
  }
  $new_file = $new_file.time().".{$type}";
  if (file_put_contents($new_file, base64_decode(str_replace($result[1], '', $base64_image_content)))){
   return '/'.$new_file;
  }else{
   return false;
  }
 }else{
  return false;
 }
}