//如果想要調(diào)用當(dāng)前設(shè)備的相機(jī)功能(拍照/相冊/錄像),需要遵守兩個協(xié)議UIImagePickerControllerDelegate,UINavigationControllerDelegate
//從相冊獲取圖片步驟:
//創(chuàng)建當(dāng)前的相機(jī)對象
UIImagePickerController * picker = [[UIImagePickerController alloc]init];
//設(shè)置相機(jī)的資源類型(拍照/相冊)
picker.sourceType = UIImagePickerControllerSourceTypePhotoLibrary;//相冊
//設(shè)置代理
picker.delegate = self;
/**

• 協(xié)議方法
• @param picker 相機(jī)對象
• @param info 選中的圖片的圖片信息
  */

• (void)imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary *)info{
  //通過info獲取選中的圖片
  UIImage * image = info[UIImagePickerControllerOriginalImage];
  //向服務(wù)器上傳圖片,圖片必須轉(zhuǎn)換為nsdata
  NSData * data = UIImagePNGRepresentation(image);
  //上傳數(shù)據(jù)
  //非二進(jìn)制的數(shù)據(jù) 需要使用字典封裝成請求體
  //二進(jìn)制數(shù)據(jù) 要單獨(dú)拼接
  NSDictionary * dic = @{@"m_auth":self.authToken,@"albumid":@(0),@"pic_title":@"image_png"};

  AFHTTPRequestOperationManager * manage = [AFHTTPRequestOperationManager manager];

  manage.responseSerializer.acceptableContentTypes = [NSSet setWithObject:@"text/html"];
  [manage POST:UPLOADPATH parameters:dic constructingBodyWithBlock:^(id<AFMultipartFormData> formData) {
  //formData 將二進(jìn)制數(shù)據(jù)拼接到此處
  /**
  *
  * @param NSData 上傳的二進(jìn)制對象
  @name 上傳的二進(jìn)制數(shù)據(jù)對應(yīng)的參數(shù)值
  @fileName 上傳的資源名稱 任意 但不能帶有中文 規(guī)范寫法是要帶有資源后綴的
  * @mimeType 上傳圖片固定的類型 image/png
  * @
  */
  [formData appendPartWithFileData:data name:@"attach" fileName:@"asdf.png" mimeType:@"image/png"];
  } success:^(AFHTTPRequestOperation *operation, id responseObject) {

    NSLog(@"%@",responseObject[@"message"]);
  

  } failure:^(AFHTTPRequestOperation *operation, NSError *error) {
  NSLog(@"%@",error.description);
  }];

  [picker dismissViewControllerAnimated:YES completion:nil];

}