iOS -隐藏UIView的屏幕截图

import UIKit

func hideAndCaptureScreenshot() -> UIImage? {
    let view = UIView(frame: CGRect(x: 0, y: 0, width: 200, height: 200))
    // 添加view到父视图中
    // parentView.addSubview(view)
    
    view.isHidden = true
    
    UIGraphicsBeginImageContextWithOptions(view.bounds.size, false, 0.0)
    view.layer.render(in: UIGraphicsGetCurrentContext()!)
    let screenshot = UIGraphicsGetImageFromCurrentImageContext()
    UIGraphicsEndImageContext()
    
    return screenshot
}

// 调用方法
let screenshot = hideAndCaptureScreenshot()