封装一个UIAlertController

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UIAlertController写起来比较繁琐, 这里进行一下封装方便使用

你只需要调用该方法即可:

[CommonMethod showAlertControllerTitle:nil msg:@"你真的要退出吗?" superVC:self preferredStyle:(UIAlertControllerStyleAlert) okCallBack:^{        NSLog(@"点击确定回调");    } cancleCallBack:^{        NSLog(@"点击取消 回调");    }];

首先建立一个CommMethod 继承NSObject

#import <Foundation/Foundation.h>#import <UIKit/UIKit.h>@interface CommonMethod : NSObject+ (void)showAlertControllerTitle:(NSString *)title msg:(NSString *)msg superVC:(UIViewController *)superVC preferredStyle:(UIAlertControllerStyle)preferredStyle okCallBack:(void(^)(void))okCallBack cancleCallBack:(void(^)(void))cancleCallBack;@end

#import "CommonMethod.h"#import <UIKit/UIKit.h>@implementation CommonMethod+ (void)showAlertControllerTitle:(NSString *)title msg:(NSString *)msg superVC:(UIViewController *)superVC preferredStyle:(UIAlertControllerStyle)preferredStyle okCallBack:(void(^)(void))okCallBack cancleCallBack:(void(^)(void))cancleCallBack {    UIAlertController *alertController = [UIAlertController alertControllerWithTitle:title message:msg preferredStyle:preferredStyle];            UIAlertAction *okAction = [UIAlertAction actionWithTitle:@"确定" style:(UIAlertActionStyleDefault) handler:^(UIAlertAction * _Nonnull action) {        if (okCallBack) {            okCallBack();        }    }];        UIAlertAction *canAction = [UIAlertAction actionWithTitle:@"取消" style:(UIAlertActionStyleDefault) handler:^(UIAlertAction * _Nonnull action) {                if (cancleCallBack) {            cancleCallBack();        }    }];        [alertController addAction:okAction];    [alertController addAction:canAction];    [superVC presentViewController:alertController animated:YES completion:nil];}@end

在Controller中使用

[CommonMethod showAlertControllerTitle:nil msg:@"你真的要退出吗?" superVC:self preferredStyle:(UIAlertControllerStyleAlert) okCallBack:^{        NSLog(@"点击确定回调");    } cancleCallBack:^{        NSLog(@"点击取消 回调");    }];

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