PHP about AIP image upload interface
Simple case of PHP upload:
Html file:
<html><form action="index.php" name="form" method="post" enctype="multipart/form-data"> <input type="file" name="file" /> <input type="submit" name="submit" value="上传" /></form></html>
Style related:
On the mobile phone, click the upload button and the camera will pop up:
<input type="file" accept="image/*;capture=camera">直接调用相机 <input type="file" accept="image/*" />调用相机 图片或者相册
PHP file:
<?php$file = $_FILES['file'];//得到传输的数据
//得到文件名称$name = $file['name'];$type = strtolower(substr($name,strrpos($name,'.')+1)); //得到文件类型，并且都转化成小写$allow_type = array('jpg','jpeg','gif','png'); //定义允许上传的类型
//判断文件类型是否被允许上传if(!in_array($type, $allow_type)){ //如果不被允许，则直接停止程序运行
return ;
}//判断是否是通过HTTP POST上传的if(!is_uploaded_file($file['tmp_name'])){ //如果不是通过HTTP POST上传的
return ;
}$upload_path = "./img/"; //上传文件的存放路径
//开始移动文件到相应的文件夹if(move_uploaded_file($file['tmp_name'],$upload_path.$file['name'])){ echo "Successfully!";
}else{ echo "Failed!";
}?>A simple case of uploading using thinkphp upload class:
= 'maxSize' => 3145728,
'exts' => ('jpg', 'gif', 'png', 'jpeg'),
'rootPath' => './Public/Uploads/info/',
'savePath' => '',
'saveName' => ('uniqid',''),
'autoSub' => ,
'subName' => ('date','Ymd'), upload(['result'] = 1['imgurl'] = ''['msg'] = '' = = ->upconfig['rootPath'] . ->upconfig['savePath'(!( = (, 0777, (!
['result'] = 0['msg'] = "创建保存图片的路径失败！"
= \Think\Upload(->(!
['result'] = 0['msg'] = ->
= ->upconfig['rootPath'] . ['savepath'].['savename' = ('./', '/', ['result'] = 1['imgurl'] = (0
= ->upload(['attorney']);
Mobile app upload image example: API interface:
Question: When APP uploads avatars, how should php, as the API end, receive image information?
Answer 1 (see method 1): Generally, binary stream transmission is used. The client transmits binary data, the server receives it, and then file_put_contents is written to the file. That's it. The file name format and where to put the file are all defined by yourself.
Answer 2 (see method 2): The Android or IOS client simulates an HTTP Post request to the server, and the server receives the corresponding Post request (through $_FILES Obtain image resources) and return response information to the client. (This method is the same as the method of obtaining Html submission)
Method 1: Base64 encrypt the image into a string for transmission
Description: IOS or Android side: Base64 encode the image to obtain the string, and pass it to the interface
Interface side: Base64 decode the received string, and then upload it to the specified location through the file_put_contents function
/**
* 图片上传
* @param $imginfo - 图片的资源，数组类型。['图片类型','图片大小','图片进行base64加密后的字符串']
* @param $companyid - 公司id
* @return mixed */
public function uploadImage( $imginfo , $companyid ) { $image_type = strip_tags($imginfo[0]); //图片类型
$image_size = intval($imginfo[1]); //图片大小
$image_base64_content = strip_tags($imginfo[2]); //图片进行base64编码后的字符串
$upload = new UploaderService(); $upconfig = $upload->upconfig; if(($image_size > $upconfig['maxSize']) || ($image_size == 0)) { $array['status'] = 13; $array['comment'] = "图片大小不符合要求！"; return $array;
} if(!in_array($image_type,$upconfig['exts'])) { $array['status'] = 14; $array['comment'] = "图片格式不符合要求！"; return $array;
} // 设置附件上传子目录
$savePath = 'bus/group/' . $companyid . '/'; $upload->upconfig['savePath'] = $savePath; //图片保存的名称
$new_imgname = uniqid().mt_rand(100,999).'.'.$image_type; //base64解码后的图片字符串
$string_image_content = base64_decode($image_base64_content); // 保存上传的文件
$array = $upload->upload($string_image_content,$new_imgname); return $array;
} // 上传配置信息
public $upconfig = array( 'maxSize' => 3145728, //3145728B（字节） = 3M
'exts' => array('jpg', 'gif', 'png', 'jpeg'),// 'rootPath' => './Public/Uploads/info/',
'rootPath' => 'https://www.eyuebus.com/Public/Uploads/info/',
); /**
* @param $string_image_content - 所要上传图片的字符串资源
* @param $new_imgname - 图片的名称，如：57c14e197e2d1744.jpg
* @return mixed */
public function upload($string_image_content,$new_imgname) { $res['result'] = 1; $res['imgurl'] = ''; $res['comment'] = ''; do { $ret = true; $fullPath = $this->upconfig['rootPath'] . $this->upconfig['savePath']; if(!file_exists($fullPath)){ $ret = mkdir($fullPath, 0777, true);
} if(!$ret) { // 上传错误提示错误信息
$res['result'] = 12; $res['comment'] = "创建保存图片的路径失败！"; return $res; break;
} //开始上传
if (file_put_contents($fullPath.$new_imgname, $string_image_content)){ // 上传成功 获取上传文件信息
$res['result'] = 0; $res['comment'] = "上传成功！"; $res['imgname'] = $new_imgname;
}else { // 上传错误提示错误信息
$res['result'] = 11; $res['comment'] = "上传失败！";
}
} while(0); return $res;
}方式二：Android或者IOS客户端模拟一个HTTP的Post请求到服务器端，服务器端接收相应的Post请求后（通过$_FILES获取图片资源），返回响应信息给给客户端。（这一种方式和获取Html方式提交的方法一样）
移动端需要请求一个URL，这个URL接收POST过去的数据，比如：http://www.apixxx.net/Home/Uploader/uploadPrepare
public function uploadPrepare() { $array = array(); $post_log = print_r($_POST, true); Log::record($post_log, 'DEBUG'); $file_log = print_r($_FILES, true); Log::record($file_log, 'DEBUG'); $token = $_POST['token']; $token_str = jwt_decode($token);$user_type = $token_str['user_type'];
// 设置附件上传子目录
if($user_type == 1) { $savePath = 'travel/group/' . $user_companyid . '/';
}elseif ($user_type == 2) { $savePath = 'bus/group/' . $user_companyid . '/';
}elseif ($user_type == 3) { $savePath = 'driver/group/' . $user_companyid . '/';
}else { $array['status'] = 3; $array['comment'] = '非法用户！'; return $array;
} $this->upconfig['savePath'] = $savePath; // 保存上传的文件(单张)
// $res = $this->upload($_FILES['file']);
// 保存上传的文件（多张） 移动端的表单name=“xxx[]”，支持多张图片
$res = $this->upload(); $array['status'] = $res['status']; $array['comment'] = $res['comment']; $array['responseParameters']['img_url'] = $res['img_url']; echo json_encode($array);
} protected function upload() { $res['status'] = 1; $res['imgurl'] = ''; $res['comment'] = ''; do { $ret = true; $fullPath = $this->upconfig['rootPath'] . $this->upconfig['savePath']; if(!file_exists($fullPath)){ $ret = mkdir($fullPath, 0777, true);
} if(!$ret) { // 上传错误提示错误信息
$res['status'] = 1; $res['comment'] = "创建保存图片的路径失败！"; break;
} // 实例化上传类
$upload = new \Think\Upload($this->upconfig);// // 上传单个文件
// $info = $upload->uploadOne($file);
// 上传多个文件
$infos = $upload->upload(); // 上传的图片数量
$file_count = 0; foreach ($_FILES as $file_k => $file_v) { foreach ($file_v["size"] as $k => $v) { if($v == 0) { continue;
} $file_count += 1;
}
} Log::record("info_log", 'DEBUG'); $info_log = print_r($infos,true); Log::record($info_log, 'DEBUG'); if(!$infos) { // 上传错误提示错误信息
$res['status'] = 2; $res['comment'] = $upload->getError();
} else { // 获取的上传成功的图片数量
$info_count = 0; // 上传成功 获取上传文件信息
foreach($infos as $k => $v) { $imgurl[$v['key']][] = str_replace('./', '/', $this->upconfig['rootPath'] . $v['savepath'].$v['savename']); $info_count += 1;
} if($file_count != $info_count) { $res['status'] = 1; $res['comment'] = "上传失败！上传的多张图片，没有全部上传成功";
}else { $res['status'] = 0; $res['comment'] = "上传成功！"; $res['img_url'] = $imgurl;
}
}
} while(0); return $res;
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