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

Snip20161124_2.png

第二种：弹出UIAlertController 风格为UIAlertControllerStyleAlert 并且只有一个确定按钮

Snip20161124_3.png

第三种：弹出UIAlertController 风格为UIAlertControllerStyleActionSheet并且有两个选择项和一个取消项

Snip20161124_4.png

第三种：弹出UIAlertController 风格为UIAlertControllerStyleActionSheet并且有一个选择项和一个取消项

Snip20161124_5.png

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

给UIAlertController添加一个分类

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