上传图片的方式（AFNetworking 3.0）

1. AFNetworking 3.0版本
   

2. 
   

3. - (void)imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary *)info  

4. {  

5.     NSLog(@"图片选中");  

6.     //截取图片  

7.     UIImage *image = [info objectForKey:UIImagePickerControllerEditedImage];  

8.     NSData *imageData = UIImageJPEGRepresentation(image, 0.001);  

9.     self.mv.portraitImageView.image = image;  

10.       

11.     AFHTTPRequestOperationManager *manager = [AFHTTPRequestOperationManager manager];  

12.     manager.responseSerializer.acceptableContentTypes = [NSSet setWithObjects:@"text/html",@"text/plain", nil nil];  

13.     // 参数  

14.     NSMutableDictionary *parameter = [NSMutableDictionary dictionary];  

15.     parameter[@"token"] = "param....";  

16.     // 访问路径  

17.     NSString *stringURL = [NSString stringWithFormat:@"%@%@",HOSTURL,kUploadAvatar];  

18.       

19.     [manager POST:stringURL parameters:parameter constructingBodyWithBlock:^(id<AFMultipartFormData> formData) {  

20.         // 上传文件  

21.         NSDateFormatter *formatter = [[NSDateFormatter alloc] init];  

22.         formatter.dateFormat = @"yyyyMMddHHmmss";  

23.         NSString *str = [formatter stringFromDate:[NSDate date]];  

24.         NSString *fileName = [NSString stringWithFormat:@"%@.jpg", str];  

25.           

26.         [formData appendPartWithFileData:imageData name:@"file" fileName:fileName mimeType:@"image/png"];  

27.           

28.     } success:^(AFHTTPRequestOperation *operation, id responseObject) {  

29.         NSLog(@"上传成功");  

30.     } failure:^(AFHTTPRequestOperation *operation, NSError *error) {  

31.         NSLog(@"上传错误");  

32.     }];  

33. }