iOS实现相册多选图片上传功能
本文实例为大家分享了iOS实现相册多选图片上传的具体代码,供大家参考,具体内容如下
原理:获取手机里的全部照片,显示在自定义的视图里
//获取到相册的所有图片 -(void)addAllPhotos{ @WeakObj(self); _assetsLibrary=[[ALAssetsLibraryalloc]init]; [_assetsLibraryenumerateGroupsWithTypes:ALAssetsGroupSavedPhotosusingBlock:^(ALAssetsGroup*group,BOOL*stop){ @StrongObj(self); if(group){ [groupenumerateAssetsUsingBlock:^(ALAsset*result,NSUIntegerindex,BOOL*stop){ if(result){ //把相册储存到数组中,方便后面展示相册时使用 CGImageRefcgImage=[resultthumbnail]; UIImage*image=[UIImageimageWithCGImage:cgImage]; NSData*imageData=UIImageJPEGRepresentation(image,0.5); UIImage*newImage=[UIImageimageWithData:imageData]; UZGPhotoChooseModel*model=[[UZGPhotoChooseModelalloc]init]; model.image=newImage; model.currentImageIsSelect=NO;//初始化默认未选中 model.showBackView=NO;//是否显示背景遮罩 model.row=index; [self.cellInfoArrayaddObject:model]; [self.myCollectionViewreloadData]; } }]; } }failureBlock:^(NSError*error){ }]; } //选中图片后刷新图片上面的选中数字 -(selectCellBolck)reloadCellSelectBlock:(NSIndexPath*)indexPath{ @WeakObj(self); __blockUZGPhotoChooseModel*model=self.cellInfoArray[indexPath.row]; selectCellBolckblock=^(BOOLcurrent_isSelect){ if(selfWeak.selectNum>self.max_selectNum){ return; } if(current_isSelect){ selfWeak.selectNum++; }else{ selfWeak.selectNum--; } model.currentImageIsSelect=current_isSelect; model.totalNum=selfWeak.selectNum; [selfWeak.cellInfoArrayreplaceObjectAtIndex:indexPath.rowwithObject:model]; [selfWeakreloadCurrentNum]; [selfWeak.myCollectionViewreloadData]; }; returnblock; }
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