Swift实现系统相册多选功能,仅需3句代码

Swift开发中,处理和展示图片是常见需求,尤其是在社交、媒体类应用中。今天,我们通过简单的三句代码,快速实现系统相册的多选图片功能。

引入Photos框架

首先,导入系统相册功能所需的Photos框架:

import Photos  

使用ZYImagePickerController

为了实现多选功能,我们选择第三方库ZYImagePickerController,因为原生的UIImagePickerController只支持单选。通过CocoaPods安装:

pod 'ZYImagePickerController'  

安装完成后,导入该库并开始调用:

import ZYImagePickerController  
let imagePickerController = ZYImagePickerController()  
imagePickerController.delegate = self  //确保遵循ZYImagePickerControllerDelegate协议  
present(imagePickerController, animated: true, completion: nil)  

处理用户选择的图片

当用户完成选择后,使用代理方法处理图片:

func imagePickerController(_ picker: ZYImagePickerController, didFinishPickingImages images: [UIImage]) {  
    dismiss(animated: true, completion: nil)  
    for image in images {  
        //对图片进行操作  
    }  
}  

权限处理

访问相册时,需要提前获取用户授权:

PHPhotoLibrary.requestAuthorization { status in  
    if status == .authorized {  
        //调用图片选择器  
    } else {  
        //处理未授权的情况  
    }  
}  

通过这简单的几步,你可以在Swift项目中快速集成系统相册多选图片功能。"

zip
swift-系统相册多选图片3句代码完成接入.zip 预估大小:28个文件
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ZYImagePickerController-master 文件夹
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ZYImagePickerControllerDemo 文件夹
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ZYImagePickerControllerDemo 文件夹
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ViewController.m 5KB
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ZYImagePickerController 文件夹
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ZYImagePickerController.m 27KB
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ZYImagePickerController.bundle 文件夹
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AssetsPickerChecked@2x.png 1KB
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AssetsPickerChecked@3x.png 9KB
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ZYImagePickerController.h 2KB
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Info.plist 1KB
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main.m 358B
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ZYCollectionViewCell.h 304B
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ZYCollectionViewCell.m 2KB
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Base.lproj 文件夹
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LaunchScreen.storyboard 2KB
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Main.storyboard 2KB
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ViewController.h 239B
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AppDelegate.h 301B
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Assets.xcassets 文件夹
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AppIcon.appiconset 文件夹
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Contents.json 585B
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AppDelegate.m 2KB
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ZYImagePickerController 文件夹
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ZYImagePickerController.m 27KB
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ZYImagePickerController.bundle 文件夹
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AssetsPickerChecked@2x.png 1KB
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AssetsPickerChecked@3x.png 9KB
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ZYImagePickerController.h 2KB
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ZYImagePickerControllerDemoUITests 文件夹
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Info.plist 680B
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ZYImagePickerControllerDemoUITests.m 1KB
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ZYImagePickerControllerDemoTests 文件夹
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Info.plist 680B
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ZYImagePickerControllerDemoTests.m 983B
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ZYImagePickerControllerDemo.xcodeproj 文件夹
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project.xcworkspace 文件夹
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contents.xcworkspacedata 172B
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project.pbxproj 24KB
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LICENSE 1KB
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README.md 3KB
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.gitignore 1KB
zip 文件大小:63.29KB