添加UIAlertController简便方法

MRFramework/MRFramework/Extensions/UIKit/UIAlertController+util.swift

+//
+//  UIAlertController+util.swift
+//  MRFramework
+//
+//  Created by Sarkizz on 2019/11/8.
+//  Copyright © 2019 sarkizz. All rights reserved.
+//
+
+import Foundation
+
+extension UIAlertController {
+    public class func panel(title: String? = nil,
+                            message: String?,
+                            buttonTitle: String = "确定",
+                            completion: ((UIAlertAction) -> Void)? = nil) -> UIAlertController {
+        let alert = UIAlertController(title: title, message: message, preferredStyle: .alert)
+        alert.addAction(.init(title: buttonTitle, style: .default, handler: completion))
+        return alert
+    }
+    
+    public class func confirmPanel(title: String? = nil,
+                                   message: String?,
+                                   confirmTitle: String = "确定",
+                                   cancelTitle: String = "取消",
+                                   completion: ((UIAlertAction, Bool) -> Void)? = nil) -> UIAlertController {
+        let alert = UIAlertController(title: title, message: message, preferredStyle: .alert)
+        alert.addAction(.init(title: confirmTitle, style: .default, handler: { action in
+            completion?(action, true)
+        }))
+        alert.addAction(.init(title: cancelTitle, style: .cancel, handler: { action in
+            completion?(action, false)
+        }))
+        return alert
+    }
+    
+    public class func prompt(title: String? = nil,
+                             message: String?,
+                             textFieldConfig: ((UITextField) -> Void)? = nil,
+                             confirmTitle: String = "确定",
+                             cancelTitle: String = "取消",
+                             completion: ((UIAlertAction, String?) -> Void)? = nil) -> UIAlertController {
+        let alert = UIAlertController(title: title, message: message, preferredStyle: .alert)
+        alert.addTextField(configurationHandler: textFieldConfig)
+        alert.addAction(.init(title: confirmTitle, style: .default, handler: { action in
+            completion?(action, alert.textFields?[0].text)
+        }))
+        alert.addAction(.init(title: cancelTitle, style: .cancel))
+        return alert
+    }
+    
+    public class func actionSheet(title: String? = nil,
+                                  message: String?,
+                                  cancelTitle: String = "取消",
+                                  sheets: [String],
+                                  completion: ((UIAlertAction, Int) -> Void)? = nil) -> UIAlertController {
+        let alert = UIAlertController(title: title, message: message, preferredStyle: .actionSheet)
+        sheets.enumerated().forEach({ idx, title in
+            alert.addAction(.init(title: title, style: .default, handler: { (action) in
+                completion?(action, idx)
+            }))
+        })
+        alert.addAction(.init(title: cancelTitle, style: .cancel))
+        return alert
+    }
+}