oc获得相册照片

 - (void)addImage
 {
     if (CGRectGetMaxX(addImageView.frame)>SCREEN_WIDTH-CGRectGetWidth(addImageView.frame)) {
         [self ShowHUDTitle:@"只能添加三张图片" andDelay:];
         return;
     }
     UIActionSheet *actionsheet = [[UIActionSheet alloc] initWithTitle:nil delegate:self cancelButtonTitle:@"取消" destructiveButtonTitle:nil otherButtonTitles: @"打开照相机", @"从手机相册获取",nil];

     [actionsheet showInView:self.view];
 }

 - (void)actionSheet:(UIActionSheet *)actionSheet clickedButtonAtIndex:(NSInteger)buttonIndex
 {
     if (buttonIndex == actionSheet.cancelButtonIndex) {
     }
     switch (buttonIndex) {
         case ://打开照相机
             [self takePhoto];
             break;
         case ://打开相册
             [self localPhoto];
             break;
         default:
             break;
     }
 }

 -(void)takePhoto//打开相机
 {
     UIImagePickerControllerSourceType sourceType = UIImagePickerControllerSourceTypeCamera;
     if ([UIImagePickerController isSourceTypeAvailable:UIImagePickerControllerSourceTypeCamera]) {
         UIImagePickerController *picker = [[UIImagePickerController alloc]init];
         picker.delegate = self;
         picker.allowsEditing = YES;
         picker.sourceType = sourceType;
         [self presentViewController:picker animated:YES completion:nil];
     }
 }
 -(void)localPhoto//本地相册
 {
     UIImagePickerController *picker = [[UIImagePickerController alloc]init];
     picker.sourceType = UIImagePickerControllerSourceTypePhotoLibrary;
     picker.delegate = self;
     picker.allowsEditing = YES;
     [self presentViewController:picker animated:YES completion:nil];
 }

 -(void)imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary *)info
 {
     NSString *type = [info objectForKey:UIImagePickerControllerMediaType];
 //      当选择的类型是图片
     if ([type isEqualToString:@"public.image"]) {
 //      把图片转化为NSData
         UIImage *image = info[UIImagePickerControllerEditedImage];
         NSData *data = UIImageJPEGRepresentation(image, 0.03);

 //      图片的保存路径
         NSString *documentsPath = [NSHomeDirectory() stringByAppendingPathComponent:@"Documents"];
         NSFileManager *manager = [NSFileManager defaultManager];

 //      将刚刚转化的图片放到沙盒中 并保存为png
         [manager createDirectoryAtPath:documentsPath withIntermediateDirectories:YES attributes:nil error:nil];
         NSString *imageName = [NSString stringWithFormat:@"/%@.png",[NSDate date]];

         [manager createFileAtPath:[documentsPath stringByAppendingString:[NSString stringWithFormat:@"%@",imageName]] contents:data attributes:nil];

 //得到选择后沙盒的路径
         filePath = [[NSString alloc]initWithFormat:@"%@%@",documentsPath,imageName];
         NSLog(@"%@",filePath);

         [picker dismissViewControllerAnimated:YES completion:nil];

         [imagePathList addObject:filePath];

         addImageView = [[UIImageView alloc]initWithFrame:CGRectMake(CGRectGetMaxX(addImageView.frame), , SCREEN_WIDTH/, SCREEN_WIDTH/)];
         addImageView.image = image;
         addImageView.layer.borderWidth = ;
         addImageView.layer.borderColor = [UIColor whiteColor].CGColor;
         [self.view addSubview:addImageView];

         CGSize size = [addressLabel.text sizeWithAttributes:@{NSFontAttributeName:[UIFont systemFontOfSize:]}];
         addressLabel.frame = CGRectMake(, CGRectGetMaxY(addImageView.frame), size.width+, );

         inputView.frame = CGRectMake(, CGRectGetMaxY(addressLabel.frame), SCREEN_WIDTH, SCREEN_HEIGHT-CGRectGetMaxY(addressLabel.frame));

     }
 }
 - (void)imagePickerControllerDidCancel:(UIImagePickerController *)picker
 {
     [picker dismissViewControllerAnimated:YES completion:nil];
 }