百度小程序第三方接入图片上传demo

代码是基于ThinkPHP 3.2的，其他语言请自行实现，PHP版本为5.6

/**

* 图片上传

* @Author Qianlong <87498106@qq.com>

* @PersonSite http://dev.21ds.cn/

*/

public function onlyUploadImage()

{

$upload = new \Think\Upload(); // 实例化上传类

$upload->maxSize  =    3145728; // 设置附件上传大小

$upload->exts      =    array('jpg', 'bmp', 'png', 'jpeg'); // 设置附件上传类型

$upload->rootPath  =    './Uploads/'; // 设置附件上传根目录

$upload->savePath  =    ''; // 设置附件上传（子）目录

// 上传文件

$info  =  $upload->upload();

$access_token = $this->applet->getAccessToken();

$filename = '/webroot/Uploads/' . $info['file']['savepath'] . $info['file']['savename'];

$postd['access_token'] = $access_token;

$postd['type'] = 2;

$file['realpath'] = $filename;

$file['name'] = 'multipartFile';

$file['type'] = $info['file']['type'];

$status = $this->Https_request('https://openapi.baidu.com/file/2.0/smartapp/upload/image',  $postd,null, $file);

if (!empty($status)) {

switch ($status['errno']) {

case '0':

$returnData['code'] = 200;

$returnData['data'] = $status['data'];

$returnData['msg'] = '上传成功';

$this->BspReturn($returnData);

break;

case '47003':

$returnData['code'] = -1;

$returnData['data'] = '';

$returnData['msg'] = '图片格式无效';

$this->BspReturn($returnData);

break;

case '47000':

$returnData['code'] = -1;

$returnData['data'] = '';

$returnData['msg'] = '图片格式无效';

$this->BspReturn($returnData);

break;

default:

$returnData['code'] = -1;

$returnData['data'] = $status;

$returnData['msg'] = '上传失败，请重试';

$this->BspReturn($returnData);

break;

}

} else {

$returnData['code'] = -1;

$returnData['data'] = $status;

$returnData['msg'] = '上传失败，请重试';

$this->BspReturn($returnData);

}

}

public function Https_request($url,  $data = null, $cookie = null, $file = null, $header = '')

{

$curl = curl_init();

curl_setopt($curl, CURLOPT_URL, $url);

curl_setopt(

$curl,

CURLOPT_SSL_VERIFYPEER,

FALSE

);

curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, FALSE);

//携带cookie文件

if (!empty($cookie)) {

curl_setopt($curl, CURLOPT_COOKIEFILE, $cookie); //读取cookie

}

//携带头

if (!empty($header)) {

curl_setopt($curl, CURLOPT_HTTPHEADER, $header);

}

//上传文件

if (!empty($file)) {

$file_obj = new \CURLFile($file['realpath'], $file['type']);

$data["{$file['name']}"] = $file_obj;

}

//发送post数据

if (!empty($data) && !isset($file_obj)) {

curl_setopt($curl, CURLOPT_POST, 1);

curl_setopt($curl, CURLOPT_POSTFIELDS, http_build_query($data));

} elseif (!empty($data)) {

curl_setopt($curl, CURLOPT_POST, 1);

curl_setopt($curl, CURLOPT_POSTFIELDS, $data);

}

curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);

$output = curl_exec($curl);

if (empty($output)) return 'no data';

curl_close($curl);

return is_null(json_decode($output)) ? $output : json_decode($output, true);

}

文章来源：http://dev.21ds.cn/article/300.html