初识OC，对封装简直一窍不通，只能先从简单的控件开始学起，下面是封装的一个UIAlertViewController分为三种模式：
.h文件
>//// AlertControllerTool.h// 测试篇//// Created by HR on 16/12/13.// Copyright © 2016年 dawenkeji. All rights reserved.//#import#import@interface AlertControllerTool : NSObject
//没有取消按钮（确认后无跳转）
+ (UIAlertController *)alertMessage:(NSString *)message confirmHandler:(void(^)(UIAlertAction *))confirmActionHandle viewController:(UIViewController *)vc;
//没有取消按钮（确认后有跳转）
+ (UIAlertController *)alertTitle:(NSString *)title message:(NSString *)message preferredStyle:(UIAlertControllerStyle *)preferredStyle confirmHandler:(void(^)(UIAlertAction *))confirmActionHandle viewController:(UIViewController *)vc;
//有取消按钮
+ (UIViewController *)alertTitle:(NSString *)title message:(NSString *)message preferredStyle:(UIAlertControllerStyle *)preferredStyle confirmHander:(void(^)(UIAlertAction *))confirmActionHandle cancleHander:(void(^)(UIAlertAction *))cancleActionHandle viewController:(UIViewController *)vc;
@end
.m文件
>//
#import "AlertControllerTool.h"
@implementation AlertControllerTool
//没有取消按钮（确认后无跳转）
+ (UIAlertController *)alertMessage:(NSString *)message confirmHandler:(void(^)(UIAlertAction *))confirmActionHandle viewController:(UIViewController *)vc{
UIAlertController *alert = [UIAlertController alertControllerWithTitle:
@"温馨提示" message:
message preferredStyle:UIAlertControllerStyleAlert];
UIAlertAction *confirmAction = [UIAlertAction actionWithTitle:
@"确定"
style:
UIAlertActionStyleDefault
handler:
confirmActionHandle];
[alert addAction:confirmAction];
[vc presentViewController:alert animated:YES completion:nil];
return alert;
}
9528--0001
//没有取消按钮（确认后有跳转）
+ (UIAlertController *)alertTitle:(NSString *)title message:(NSString *)message preferredStyle:(UIAlertControllerStyle *)preferredStyle confirmHandler:(void(^)(UIAlertAction *))confirmActionHandle viewController:(UIViewController *)vc{
UIAlertController *alert = [UIAlertController alertControllerWithTitle:
title message:
message preferredStyle:
*preferredStyle];
UIAlertAction *action = [UIAlertAction actionWithTitle:
@"确定" style:UIAlertActionStyleDefault handler:confirmActionHandle];
[alert addAction:action];
[vc presentViewController:alert animated:YES completion:nil];
return alert;
}
//有取消按钮
+ (UIViewController *)alertTitle:(NSString *)title message:(NSString *)message preferredStyle:(UIAlertControllerStyle *)preferredStyle confirmHander:(void(^)(UIAlertAction *))confirmActionHandle cancleHander:(void(^)(UIAlertAction *))cancleActionHandle viewController:(UIViewController *)vc{
UIAlertController *alert = [UIAlertController alertControllerWithTitle:
title message:
message preferredStyle:
*preferredStyle];
UIAlertAction *action1 = [UIAlertAction actionWithTitle:@"确定" style:UIAlertActionStyleDefault handler:confirmActionHandle];
UIAlertAction *action2 = [UIAlertAction actionWithTitle:@"取消" style:UIAlertActionStyleCancel handler:cancleActionHandle];
[alert addAction:action1];
[alert addAction:action2];
[vc presentViewController:alert animated:YES completion:nil];
return alert;
}
@end