给UIAlertController添加一个分类
我们写代码时候，经常会用到弹框，然后到处都是写基本一样的代码，干脆给它做一个分类，封装起来，这样，直接调用方法。我这里仅仅提供了四种最常见的。使用方法非常简单，直接将UIViewController+Message 这个类拖入到项目中，导入头文件需要使用的地方，建议以后直接放pch
Dome: https://github.com/LYWGod/UIAlertControllerExtension
第一种：弹出UIAlertController 风格为 UIAlertControllerStyleAlert 且有取消和确定按钮
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第二种：弹出UIAlertController 风格为UIAlertControllerStyleAlert 并且只有一个确定按钮
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第三种：弹出UIAlertController 风格为UIAlertControllerStyleActionSheet并且有两个选择项和一个取消项
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第三种：弹出UIAlertController 风格为UIAlertControllerStyleActionSheet并且有一个选择项和一个取消项
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封装的方法非常简单。如果需要也可以直接下载
代码.h文件
#import <UIKit/UIKit.h> @interface UIViewController (Message) /** 弹出UIAlertController @param title 标题 @param message 消息 @param sure 点击确定按钮 */ - (void)showAlertSureWithTitle:(NSString *)title message:(NSString *)message sure:(void (^) (UIAlertAction *action))sure; /** 弹出UIAlerController @param title 标题 @param message 消息 @param sure 点击确定 @param cancel 点击取消 */ - (void)showAlertSureAndCancelWithTitle:(NSString *)title message:(NSString *)message sure:(void (^) (UIAlertAction *action))sure cancel:(void (^) (UIAlertAction *action))cancel; /** 弹出UIAlertController @param actionOneTitle 标题 @param handlerOne 点击标题的事件 */ - (void)showSheetOneaction:(NSString *)actionOneTitle handlerOne:(void(^)(UIAlertAction *action))handlerOne; /** 弹出UIAlerController @param actionOneTitle 第一标题 @param actionTwoTitle 第二个标题 @param handlerOne 第一个标题点击事件 @param handlerTwo 第二个标题点击事件 */ - (void)showSheetTwoaction:(NSString *)actionOneTitle actionTwo:(NSString *)actionTwoTitle handlerOne:(void(^)(UIAlertAction *action))handlerOne handlerTwo:(void (^) (UIAlertAction *action))handlerTwo; @end
.m文件
#import "UIViewController+Message.h" @implementation UIViewController (Message) /** 弹出UIAlertController @param title 标题 @param message 消息 @param sure 点击确定按钮 */ - (void)showAlertSureWithTitle:(NSString *)title message:(NSString *)message sure:(void (^) (UIAlertAction *action))sure; { UIAlertController *alert = [UIAlertController alertControllerWithTitle:title message:message preferredStyle:UIAlertControllerStyleAlert]; UIAlertAction *action = [UIAlertAction actionWithTitle:@"确定" style:UIAlertActionStyleDefault handler:sure]; [alert addAction:action]; [self presentViewController:alert animated:YES completion:nil]; } /** 弹出UIAlerController @param title 标题 @param message 消息 @param sure 点击确定 @param cancel 点击取消 */ - (void)showAlertSureAndCancelWithTitle:(NSString *)title message:(NSString *)message sure:(void (^) (UIAlertAction *action))sure cancel:(void (^) (UIAlertAction *action))cancel { UIAlertController *alert = [UIAlertController alertControllerWithTitle:title message:message preferredStyle:UIAlertControllerStyleAlert]; UIAlertAction *action = [UIAlertAction actionWithTitle:@"确定" style:UIAlertActionStyleDefault handler:sure]; UIAlertAction *revoke = [UIAlertAction actionWithTitle:@"取消" style:UIAlertActionStyleCancel handler:cancel]; [alert addAction:action]; [alert addAction:revoke]; [self presentViewController:alert animated:YES completion:nil]; } /** 弹出UIAlertController @param actionOneTitle 标题 @param handlerOne 点击标题的事件 */ - (void)showSheetOneaction:(NSString *)actionOneTitle handlerOne:(void(^)(UIAlertAction *action))handlerOne { UIAlertController *alertSheet = [UIAlertController alertControllerWithTitle:nil message:nil preferredStyle:UIAlertControllerStyleActionSheet]; UIAlertAction *actionOne = [UIAlertAction actionWithTitle:actionOneTitle style:UIAlertActionStyleDefault handler:handlerOne]; UIAlertAction *cancelAction = [UIAlertAction actionWithTitle:@"取消" style:UIAlertActionStyleCancel handler:nil]; [alertSheet addAction:actionOne]; [alertSheet addAction:cancelAction]; [self presentViewController:alertSheet animated:YES completion:nil]; } /** 弹出UIAlerController @param actionOneTitle 第一标题 @param actionTwoTitle 第二个标题 @param handlerOne 第一个标题点击事件 @param handlerTwo 第二个标题点击事件 */ - (void)showSheetTwoaction:(NSString *)actionOneTitle actionTwo:(NSString *)actionTwoTitle handlerOne:(void(^)(UIAlertAction *action))handlerOne handlerTwo:(void (^) (UIAlertAction *action))handlerTwo { UIAlertController *alertSheet = [UIAlertController alertControllerWithTitle:nil message:nil preferredStyle:UIAlertControllerStyleActionSheet]; UIAlertAction *actionOne = [UIAlertAction actionWithTitle:actionOneTitle style:UIAlertActionStyleDefault handler:handlerOne]; UIAlertAction *actionTwo = [UIAlertAction actionWithTitle:actionTwoTitle style:UIAlertActionStyleDefault handler:handlerTwo]; UIAlertAction *cancelAction = [UIAlertAction actionWithTitle:@"取消" style:UIAlertActionStyleCancel handler:nil]; [alertSheet addAction:actionOne]; [alertSheet addAction:actionTwo]; [alertSheet addAction:cancelAction]; [self presentViewController:alertSheet animated:YES completion:nil]; } @end
