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简单好用的AlertViewController

简单好用的AlertViewController

作者: DEMOKING | 来源:发表于2021-04-24 22:47 被阅读0次

    发现一个有趣的，打开这个DEMO的时候，偶然发现这个DEMO还是自己在2016年的时候写的。如今还在继续使用，不得不说，那种由代码产生的喜悦 感，一下涌上心头。
    简单的系统alertViewController的封装。原有的基础上增加了新API。有需要高级效果的，这个文章可以略过了。有兴趣可点个赞。
    虽然东西比较简单，还是整理下吧。废话不多说，直接上代码。

    .h

    //
//  KJCommonUI.h
//  KJFrameworkProject
//
//  Created by 王振 DemoKing on 2016/11/15.
//  Copyright © 2016年 DemoKing. All rights reserved.
//

#import <Foundation/Foundation.h>
#import <UIKit/UIKit.h>

/// KJCommonUI
@interface KJCommonUI : NSObject
#pragma mark -
#pragma mark - 关于系统弹框

+ (KJCommonUI *)sharedManager;
- (void)hiddenMyAlertController;
/**
 弹框 UIAlertViewController 取消 + 确定 alert window弹出

 @param message 提示语 确定
 */
+ (UIAlertController *)showAlertViewWithSureMessage:(NSString *)message;
/**
 弹框 UIAlertViewController 取消 + 确定 alert window弹出

 @param message 提示语 OK
 */
+ (UIAlertController *)showAlertViewWithOKMessage:(NSString *)message;
/**
 弹框 UIAlertViewController 取消 + 确定 alert window弹出

 @param message 提示语 知道了
 */
+ (UIAlertController *)showAlertViewWithKnowMessage:(NSString *)message;
/**
 弹框 UIAlertViewController 取消 + 确定 alert window弹出

 @param title 提示语 确定
 */
+ (UIAlertController *)showAlertViewWithSureTitle:(NSString *)title;
/**
 弹框 UIAlertViewController 取消 + 确定 alert window弹出

 @param title 提示语 OK
 */
+ (UIAlertController *)showAlertViewWithOKTitle:(NSString *)title;
/**
 弹框 UIAlertViewController 取消 + 确定 alert window弹出

 @param title 提示语 知道了
 */
+ (UIAlertController *)showAlertViewWithKnowTitle:(NSString *)title;
/**
 弹框 UIAlertViewController 取消 + 确定 alert window弹出

 @param title 提示语
 @param cancelButtonTitle 取消按钮
 */
+ (UIAlertController *)showAlertViewWithTitle:(NSString *)title
                            cancelButtonTitle:(NSString *)cancelButtonTitle;
/**
 弹框 UIAlertViewController 取消 + 确定 alert window弹出

 @param message 提示语
 @param cancelButtonTitle 取消按钮
 */
+ (UIAlertController *)showAlertViewWithMessage:(NSString *)message
                              cancelButtonTitle:(NSString *)cancelButtonTitle;
/**
 弹框 UIAlertViewController 取消 + 确定 alert window弹出

 @param message 提示语
 @param cancelButtonTitle 取消按钮
 @param cancelBlock 取消回调
 */
+ (UIAlertController *)showAlertViewWithMessage:(NSString *)message
                              cancelButtonTitle:(NSString *)cancelButtonTitle
                                    cancelBlock:(void(^)(void))cancelBlock;
/**
 弹框 UIAlertViewController 取消 + 确定 alert window弹出

 @param title 标题
 @param cancelButtonTitle 取消按钮
 @param cancelBlock 取消回调
 */
+ (UIAlertController *)showAlertViewWithTitle:(NSString *)title
                            cancelButtonTitle:(NSString *)cancelButtonTitle
                                  cancelBlock:(void(^)(void))cancelBlock;
/**
 弹框 UIAlertViewController 取消 + 确定 alert window弹出

 @param title 标题
 @param message 提示语
 @param cancelButtonTitle 取消按钮
 @param cancelBlock 取消回调
 */
+ (UIAlertController *)showAlertViewWithTitle:(NSString *)title
                                      message:(NSString *)message
                            cancelButtonTitle:(NSString *)cancelButtonTitle
                                  cancelBlock:(void(^)(void))cancelBlock;
/**
 弹框 UIAlertViewController 取消 + 确定 alert

 @param title 标题
 @param message 提示语
 @param cancelButtonTitle 取消按钮
 @param sureButtonTitle 确定按钮
 @param viewController 视图控制器
 @param cancelBlock 取消回调
 @param sureBlock 确定回调
 */
+ (UIAlertController *)showAlertViewWithTitle:(NSString *)title
                       message:(NSString *)message
             cancelButtonTitle:(NSString *)cancelButtonTitle
               sureButtonTitle:(NSString *)sureButtonTitle
              inViewController:(id)viewController
                   cancelBlock:(void(^)(void))cancelBlock
                     sureBlock:(void(^)(void))sureBlock;
/**
 弹框 UIAlertViewController sheet

 @param titleArray 按钮标题数组
 @param sureBlock 确定回调
 */
+ (UIAlertController *)showSheetViewWithTitleArray:(NSArray <NSString *>*)titleArray
                                         sureBlock:(void(^)(UIAlertAction *action))sureBlock;

/**
 弹框 UIAlertViewController sheet

 @param cancelButtonTitle 取消按钮
 @param titleArray 按钮标题数组
 @param sureBlock 确定回调
 */
+ (UIAlertController *)showSheetViewWithCancelButtonTitle:(NSString *)cancelButtonTitle
                                               titleArray:(NSArray <NSString *>*)titleArray
                                                sureBlock:(void(^)(UIAlertAction *action))sureBlock;
/**
 弹框 UIAlertViewController sheet

 @param title 标题
 @param message 提示语
 @param cancelButtonTitle 取消按钮
 @param titleArray 按钮标题数组
 @param viewController 视图控制器
 @param sureBlock 确定回调
 */
+ (UIAlertController *)showSheetViewWithTitle:(NSString *)title
                       message:(NSString *)message
             cancelButtonTitle:(NSString *)cancelButtonTitle
               titleArray:(NSArray <NSString *>*)titleArray
              inViewController:(id)viewController
                     sureBlock:(void(^)(UIAlertAction *action))sureBlock;
/**
 弹框 UIAlertViewController sheet

 @param title 标题
 @param message 提示语
 @param cancelButtonTitle 取消按钮
 @param titleArray 按钮标题数组
 @param viewController 视图控制器
 @param cancelBlock 取消回调
 @param sureBlock 确定回调
 */
+ (UIAlertController *)showSheetViewWithTitle:(NSString *)title
                       message:(NSString *)message
             cancelButtonTitle:(NSString *)cancelButtonTitle
               titleArray:(NSArray <NSString *>*)titleArray
              inViewController:(id)viewController
                   cancelBlock:(void(^)(void))cancelBlock
                     sureBlock:(void(^)(UIAlertAction *action))sureBlock;
/**
 弹框 UIAlertViewController 取消 + 确定 alert
 
 @param title 标题
 @param message 提示语
 @param cancelButtonTitle 取消按钮
 @param sureButtonTitle 确定按钮
 @param placeholder placeholder
 @param viewController 视图控制器
 @param cancelBlock 取消回调
 @param sureBlock 确定回调
 */
+ (UIAlertController *)showSingleTextFieldAlertViewWithTitle:(NSString *)title
                                                     message:(NSString *)message
                                           cancelButtonTitle:(NSString *)cancelButtonTitle
                                             sureButtonTitle:(NSString *)sureButtonTitle
                                                 placeholder:(NSString *)placeholder
                                            inViewController:(id)viewController
                                                 cancelBlock:(void(^)(void))cancelBlock
                                                   sureBlock:(void(^)(UITextField *textFeild))sureBlock;
@end

    .m

    //
//  KJCommonUI.m
//  KJFrameworkProject
//
//  Created by DEMOKING on 2016/11/15.
//  Copyright © 2016年 DEMOKING. All rights reserved.
//

#import "KJCommonUI.h"
@interface KJCommonUI ()

@property (strong, nonatomic) UIAlertController *controller;

@end
@implementation KJCommonUI

+ (KJCommonUI *)sharedManager {
    static KJCommonUI *sharedManager = nil;
    static dispatch_once_t predicate;
    dispatch_once(&predicate, ^{
        sharedManager = [[KJCommonUI alloc] init];
    });
    return sharedManager;
}

- (void)hiddenMyAlertController {
    if (self.controller) {
        [self.controller dismissViewControllerAnimated:NO completion:nil];
    }
}
/**
 弹框 UIAlertViewController 取消 + 确定 alert window弹出

 @param message 提示语 确定
 */
+ (UIAlertController *)showAlertViewWithSureMessage:(NSString *)message {
    UIWindow *window = [UIApplication sharedApplication].keyWindow;
    UIAlertController *viewController = [KJCommonUI showAlertViewWithTitle:nil
                                                                   message:message
                                                         cancelButtonTitle:@"确定"
                                                           sureButtonTitle:nil
                                                          inViewController:window.rootViewController
                                                               cancelBlock:nil
                                                                 sureBlock:nil];
    return viewController;
}
/**
 弹框 UIAlertViewController 取消 + 确定 alert window弹出

 @param message 提示语 OK
 */
+ (UIAlertController *)showAlertViewWithOKMessage:(NSString *)message {
    UIWindow *window = [UIApplication sharedApplication].keyWindow;
    UIAlertController *viewController = [KJCommonUI showAlertViewWithTitle:nil
                                                                   message:message
                                                         cancelButtonTitle:@"OK"
                                                           sureButtonTitle:nil
                                                          inViewController:window.rootViewController
                                                               cancelBlock:nil
                                                                 sureBlock:nil];
    return viewController;
}
/**
 弹框 UIAlertViewController 取消 + 确定 alert window弹出

 @param message 提示语 知道了
 */
+ (UIAlertController *)showAlertViewWithKnowMessage:(NSString *)message {
    UIWindow *window = [UIApplication sharedApplication].keyWindow;
    UIAlertController *viewController = [KJCommonUI showAlertViewWithTitle:nil
                                                                   message:message
                                                         cancelButtonTitle:@"知道了"
                                                           sureButtonTitle:nil
                                                          inViewController:window.rootViewController
                                                               cancelBlock:nil
                                                                 sureBlock:nil];
    return viewController;
}
/**
 弹框 UIAlertViewController 取消 + 确定 alert window弹出

 @param title 提示语 确定
 */
+ (UIAlertController *)showAlertViewWithSureTitle:(NSString *)title {
    UIWindow *window = [UIApplication sharedApplication].keyWindow;
    UIAlertController *viewController = [KJCommonUI showAlertViewWithTitle:title
                                                                   message:nil
                                                         cancelButtonTitle:@"确定"
                                                           sureButtonTitle:nil
                                                          inViewController:window.rootViewController
                                                               cancelBlock:nil
                                                                 sureBlock:nil];
    return viewController;
}
/**
 弹框 UIAlertViewController 取消 + 确定 alert window弹出

 @param title 提示语 OK
 */
+ (UIAlertController *)showAlertViewWithOKTitle:(NSString *)title {
    UIWindow *window = [UIApplication sharedApplication].keyWindow;
    UIAlertController *viewController = [KJCommonUI showAlertViewWithTitle:title
                                                                   message:nil
                                                         cancelButtonTitle:@"OK"
                                                           sureButtonTitle:nil
                                                          inViewController:window.rootViewController
                                                               cancelBlock:nil
                                                                 sureBlock:nil];
    return viewController;
}
/**
 弹框 UIAlertViewController 取消 + 确定 alert window弹出

 @param title 提示语 知道了
 */
+ (UIAlertController *)showAlertViewWithKnowTitle:(NSString *)title {
    UIWindow *window = [UIApplication sharedApplication].keyWindow;
    UIAlertController *viewController = [KJCommonUI showAlertViewWithTitle:title
                                                                   message:nil
                                                         cancelButtonTitle:@"知道了"
                                                           sureButtonTitle:nil
                                                          inViewController:window.rootViewController
                                                               cancelBlock:nil
                                                                 sureBlock:nil];
    return viewController;
}
/**
 弹框 UIAlertViewController 取消 + 确定 alert window弹出

 @param title 提示语
 @param cancelButtonTitle 取消按钮
 */
+ (UIAlertController *)showAlertViewWithTitle:(NSString *)title
                            cancelButtonTitle:(NSString *)cancelButtonTitle {
    UIWindow *window = [UIApplication sharedApplication].keyWindow;
    UIAlertController *viewController = [KJCommonUI showAlertViewWithTitle:title
                                                                   message:nil
                                                         cancelButtonTitle:cancelButtonTitle
                                                           sureButtonTitle:nil
                                                          inViewController:window.rootViewController
                                                               cancelBlock:nil
                                                                 sureBlock:nil];
    return viewController;
}
/**
 弹框 UIAlertViewController 取消 + 确定 alert window弹出

 @param message 提示语
 @param cancelButtonTitle 取消按钮
 */
+ (UIAlertController *)showAlertViewWithMessage:(NSString *)message
                              cancelButtonTitle:(NSString *)cancelButtonTitle {
    UIWindow *window = [UIApplication sharedApplication].keyWindow;
    UIAlertController *viewController = [KJCommonUI showAlertViewWithTitle:nil
                                                                   message:message
                                                         cancelButtonTitle:cancelButtonTitle
                                                           sureButtonTitle:nil
                                                          inViewController:window.rootViewController
                                                               cancelBlock:nil
                                                                 sureBlock:nil];
    return viewController;
}
/**
 弹框 UIAlertViewController 取消 + 确定 alert window弹出

 @param message 提示语
 @param cancelButtonTitle 取消按钮
 @param cancelBlock 取消回调
 */
+ (UIAlertController *)showAlertViewWithMessage:(NSString *)message
                              cancelButtonTitle:(NSString *)cancelButtonTitle
                                    cancelBlock:(void(^)(void))cancelBlock {
    UIWindow *window = [UIApplication sharedApplication].keyWindow;
    UIAlertController *viewController = [KJCommonUI showAlertViewWithTitle:nil
                                                                   message:message
                                                         cancelButtonTitle:cancelButtonTitle
                                                           sureButtonTitle:nil
                                                          inViewController:window.rootViewController
                                                               cancelBlock:cancelBlock
                                                                 sureBlock:nil];
    return viewController;
}
/**
 弹框 UIAlertViewController 取消 + 确定 alert window弹出

 @param title 标题
 @param cancelButtonTitle 取消按钮
 @param cancelBlock 取消回调
 */
+ (UIAlertController *)showAlertViewWithTitle:(NSString *)title
                            cancelButtonTitle:(NSString *)cancelButtonTitle
                                  cancelBlock:(void(^)(void))cancelBlock {
    UIWindow *window = [UIApplication sharedApplication].keyWindow;
    UIAlertController *viewController = [KJCommonUI showAlertViewWithTitle:title
                                                                   message:nil
                                                         cancelButtonTitle:cancelButtonTitle
                                                           sureButtonTitle:nil
                                                          inViewController:window.rootViewController
                                                               cancelBlock:cancelBlock
                                                                 sureBlock:nil];
    return viewController;
}
/**
 弹框 UIAlertViewController 取消 + 确定 alert window弹出

 @param title 标题
 @param message 提示语
 @param cancelButtonTitle 取消按钮
 @param cancelBlock 取消回调
 */
+ (UIAlertController *)showAlertViewWithTitle:(NSString *)title
                                      message:(NSString *)message
                            cancelButtonTitle:(NSString *)cancelButtonTitle
                                  cancelBlock:(void(^)(void))cancelBlock {
    UIWindow *window = [UIApplication sharedApplication].keyWindow;
    UIAlertController *viewController = [KJCommonUI showAlertViewWithTitle:title
                                                                   message:message
                                                         cancelButtonTitle:cancelButtonTitle
                                                           sureButtonTitle:nil
                                                          inViewController:window.rootViewController
                                                               cancelBlock:cancelBlock
                                                                 sureBlock:nil];
    return viewController;
}
/**
 弹框 UIAlertViewController
 
 @param title 标题
 @param message 提示语
 @param cancelButtonTitle 取消按钮
 @param sureButtonTitle 确定按钮
 @param viewController 视图控制器
 @param cancelBlock 取消回调
 @param sureBlock 确定回调
 */
+ (UIAlertController *)showAlertViewWithTitle:(NSString *)title
                       message:(NSString *)message
             cancelButtonTitle:(NSString *)cancelButtonTitle
               sureButtonTitle:(NSString *)sureButtonTitle
              inViewController:(id)viewController
                   cancelBlock:(void(^)(void))cancelBlock
                     sureBlock:(void(^)(void))sureBlock {
    UIAlertController * alertVC = [UIAlertController alertControllerWithTitle:title message:message preferredStyle:UIAlertControllerStyleAlert];
    if (sureButtonTitle) {
        UIAlertAction * actionSure = [UIAlertAction actionWithTitle:sureButtonTitle style:UIAlertActionStyleDefault handler:^(UIAlertAction * _Nonnull action) {
            [KJCommonUI sharedManager].controller = nil;
            if (sureBlock) {
                sureBlock();
            }
        }];
        [alertVC addAction:actionSure];
    }
    if (cancelButtonTitle.length) {
        UIAlertAction * actionCancel = [UIAlertAction actionWithTitle:cancelButtonTitle style:UIAlertActionStyleCancel handler:^(UIAlertAction * _Nonnull action) {
            [KJCommonUI sharedManager].controller = nil;
            if (cancelBlock) {
                cancelBlock();
            }
        }];
        [alertVC addAction:actionCancel];
    }
    NSString *deviceType = [UIDevice currentDevice].model;
    if([deviceType isEqualToString:@"iPad"]) {
        alertVC.popoverPresentationController.sourceView = [(UIViewController *)viewController view];
    }
    [viewController presentViewController:alertVC animated:YES completion:nil];
    [KJCommonUI sharedManager].controller = alertVC;
    return alertVC;
}
/**
 弹框 UIAlertViewController sheet

 @param titleArray 按钮标题数组
 @param sureBlock 确定回调
 */
+ (UIAlertController *)showSheetViewWithTitleArray:(NSArray <NSString *>*)titleArray
                                         sureBlock:(void(^)(UIAlertAction *action))sureBlock {
    UIWindow *window = [UIApplication sharedApplication].keyWindow;
    UIAlertController *alertViewController = [KJCommonUI showSheetViewWithTitle:nil
                                                                        message:nil
                                                              cancelButtonTitle:@"取消"
                                                                     titleArray:titleArray
                                                               inViewController:window.rootViewController
                                                                    cancelBlock:nil
                                                                      sureBlock:sureBlock];
    return alertViewController;
}

/**
 弹框 UIAlertViewController sheet

 @param cancelButtonTitle 取消按钮
 @param titleArray 按钮标题数组
 @param sureBlock 确定回调
 */
+ (UIAlertController *)showSheetViewWithCancelButtonTitle:(NSString *)cancelButtonTitle
                                               titleArray:(NSArray <NSString *>*)titleArray
                                                sureBlock:(void(^)(UIAlertAction *action))sureBlock {
    UIWindow *window = [UIApplication sharedApplication].keyWindow;
    UIAlertController *alertViewController = [KJCommonUI showSheetViewWithTitle:nil
                                                                        message:nil
                                                              cancelButtonTitle:cancelButtonTitle
                                                                     titleArray:titleArray
                                                               inViewController:window.rootViewController
                                                                    cancelBlock:nil
                                                                      sureBlock:sureBlock];
    return alertViewController;
}
/**
 弹框 UIAlertViewController sheet

 @param title 标题
 @param message 提示语
 @param cancelButtonTitle 取消按钮
 @param titleArray 按钮标题数组
 @param viewController 视图控制器
 @param sureBlock 确定回调
 */
+ (UIAlertController *)showSheetViewWithTitle:(NSString *)title
                                      message:(NSString *)message
                            cancelButtonTitle:(NSString *)cancelButtonTitle
                                   titleArray:(NSArray <NSString *>*)titleArray
                             inViewController:(id)viewController
                                    sureBlock:(void(^)(UIAlertAction *action))sureBlock {
    UIAlertController *alertViewController = [KJCommonUI showSheetViewWithTitle:title
                                                                        message:message
                                                              cancelButtonTitle:cancelButtonTitle
                                                                     titleArray:titleArray
                                                               inViewController:viewController
                                                                    cancelBlock:nil
                                                                      sureBlock:sureBlock];
    return alertViewController;
}
/**
 弹框 UIAlertViewController sheet
 
 @param title 标题
 @param message 提示语
 @param cancelButtonTitle 取消按钮
 @param titleArray 按钮标题数组
 @param viewController 视图控制器
 @param cancelBlock 取消回调
 @param sureBlock 确定回调
 */
+ (UIAlertController *)showSheetViewWithTitle:(NSString *)title
                       message:(NSString *)message
             cancelButtonTitle:(NSString *)cancelButtonTitle
                    titleArray:(NSArray <NSString *>*)titleArray
              inViewController:(id)viewController
                   cancelBlock:(void(^)(void))cancelBlock
                     sureBlock:(void (^)(UIAlertAction *))sureBlock {
    UIAlertController *alertVC = [UIAlertController alertControllerWithTitle:title message:message preferredStyle:UIAlertControllerStyleActionSheet];
    [titleArray enumerateObjectsUsingBlock:^(NSString * _Nonnull obj, NSUInteger idx, BOOL * _Nonnull stop) {
        UIAlertAction * actionSure = [UIAlertAction actionWithTitle:obj style:UIAlertActionStyleDefault handler:^(UIAlertAction * _Nonnull action) {
            [KJCommonUI sharedManager].controller = nil;
            if (sureBlock) {
                sureBlock(action);
            }
        }];
        [alertVC addAction:actionSure];
    }];
    if (cancelButtonTitle) {
        UIAlertAction * actionCancel = [UIAlertAction actionWithTitle:cancelButtonTitle style:UIAlertActionStyleCancel handler:^(UIAlertAction * _Nonnull action) {
            [KJCommonUI sharedManager].controller = nil;
            if (cancelBlock) {
                cancelBlock();
            }
        }];
        [alertVC addAction:actionCancel];
    }
    NSString *deviceType = [UIDevice currentDevice].model;
    if([deviceType isEqualToString:@"iPad"]) {
        UIPopoverPresentationController * popPresenter = [alertVC popoverPresentationController];
        popPresenter.sourceView = [viewController view];
        CGFloat width = [UIScreen mainScreen].bounds.size.width;
        CGFloat height = [UIScreen mainScreen].bounds.size.height;
        popPresenter.sourceRect = CGRectMake(width / 2 - 152, height, 304, 127.5);
    }
    [viewController presentViewController:alertVC animated:YES completion:nil];
    [KJCommonUI sharedManager].controller = alertVC;
    return alertVC;
}
/**
 弹框 UIAlertViewController 取消 + 确定 alert
 
 @param title 标题
 @param message 提示语
 @param cancelButtonTitle 取消按钮
 @param sureButtonTitle 确定按钮
 @param placeholder placeholder
 @param viewController 视图控制器
 @param cancelBlock 取消回调
 @param sureBlock 确定回调
 */
+ (UIAlertController *)showSingleTextFieldAlertViewWithTitle:(NSString *)title
                                                     message:(NSString *)message
                                           cancelButtonTitle:(NSString *)cancelButtonTitle
                                             sureButtonTitle:(NSString *)sureButtonTitle
                                                 placeholder:(NSString *)placeholder
                                            inViewController:(id)viewController
                                                 cancelBlock:(void(^)(void))cancelBlock
                                                   sureBlock:(void(^)(UITextField *textFeild))sureBlock {
    UIAlertController* alert = [UIAlertController alertControllerWithTitle:title
                                                                   message:message
                                                            preferredStyle:UIAlertControllerStyleAlert];
    [alert addTextFieldWithConfigurationHandler:^(UITextField *textField) {
        textField.returnKeyType = UIReturnKeyDone;
        textField.placeholder = placeholder;
        textField.delegate = viewController;
    }];
    UIAlertAction* okAction = [UIAlertAction actionWithTitle:sureButtonTitle style:UIAlertActionStyleDefault
                                                     handler:^(UIAlertAction * action) {
                                                         UITextField *text = [alert.textFields firstObject];
        [KJCommonUI sharedManager].controller = nil;
                                                         if (sureBlock) {
                                                             sureBlock(text);
                                                         }
                                                     }];
    UIAlertAction* cancelAction = [UIAlertAction actionWithTitle:cancelButtonTitle style:UIAlertActionStyleCancel
                                                         handler:^(UIAlertAction * action) {
        [KJCommonUI sharedManager].controller = nil;
                                                             if (cancelBlock) {
                                                                 cancelBlock();
                                                             }
                                                         }];
    [alert addAction:okAction];
    [alert addAction:cancelAction];
    [viewController presentViewController:alert animated:YES completion:nil];
    [KJCommonUI sharedManager].controller = alert;
    return alert;
}
@end

    注意事项，一起来思考几个问题：

    1、适配ipad的问题；

    2、window的获取问题；

    3、是否需要单例类持有的问题；

    V动动手指(woai1101992)点个赞吧X


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