看到網(wǎng)上還一直是uialertview的天下, 決定寫個(gè)兼容, 畢竟這個(gè)隨時(shí)被淘汰
寫的并不靈活, 但包含了文本輸入, 其中的按鈕事件要分開寫
頭文件

#import <UIKit/UIKit.h>
@interface UIAlertPlus : NSObject
+(void)showAlertWithTitle:(NSString*)title msg:(NSString*)msg delegate:(id)delegate cancelBt:(NSString*)cancel otherBt:(NSString*)other inputTip:(NSString*)inputTip cancelBlock:(void (^ __nullable)(UIAlertController* alert, UIAlertAction *action))cancelBlock okBlock:(void (^ __nullable)(UIAlertController* alert, UIAlertAction *action))okBlock;
@end

實(shí)現(xiàn)文件

//
//  UIAlertPlus.m
//  TestDemoConfig
//
//  Created by Zszen John on 2017/7/9.
//  Copyright ? 2017年 Zstudio. All rights reserved.
//
#import "UIAlertPlus.h"
@implementation UIAlertPlus

+(void)showAlertWithTitle:(NSString*)title msg:(NSString*)msg delegate:(id)delegate cancelBt:(NSString*)cancel otherBt:(NSString*)other inputTip:(NSString*)inputTip cancelBlock:(void (^ __nullable)(UIAlertController* alert, UIAlertAction *action))cancelBlock okBlock:(void (^ __nullable)(UIAlertController* alert, UIAlertAction *action))okBlock{
    if([[[UIDevice currentDevice] systemVersion]intValue]<8){
        UIAlertView *alertView = [[UIAlertView alloc] initWithTitle:title message:msg delegate:delegate cancelButtonTitle:cancel otherButtonTitles:other, nil];
        if (inputTip==nil) {
            alertView.alertViewStyle = UIAlertViewStyleDefault;
        }else{
            alertView.alertViewStyle = UIAlertViewStylePlainTextInput;
            UITextField *txtInput = [alertView textFieldAtIndex:0];//設(shè)置輸入框
            txtInput.placeholder=inputTip;
            txtInput.delegate=delegate;
        }
        [alertView show];
    }else{
        UIAlertController* alertController = [UIAlertController alertControllerWithTitle:title
                                                                       message:msg
                                                                preferredStyle:UIAlertControllerStyleAlert];//
        if(other!=nil && okBlock!=nil){
            UIAlertAction* defaultAction = [UIAlertAction actionWithTitle:other style:UIAlertActionStyleDefault handler:^(UIAlertAction * _Nonnull action) {
                if(okBlock!=nil) okBlock(alertController,action);
            }];
            [alertController addAction:defaultAction];
        }
        if(cancel!=nil && cancelBlock!=nil){
            UIAlertAction* cancelAction = [UIAlertAction actionWithTitle:cancel style:UIAlertActionStyleCancel handler:^(UIAlertAction * _Nonnull action) {
                if(cancelBlock!=nil) cancelBlock(alertController,action);
            }];
            [alertController addAction:cancelAction];
        }
        if(inputTip!=nil){
            [alertController addTextFieldWithConfigurationHandler:^(UITextField *textField){
                textField.placeholder = inputTip;
            }];
        }
        [delegate presentViewController:alertController animated:YES completion:nil];
    }
}
@end

運(yùn)用方法:

{
//in function
[UIAlertPlus showAlertWithTitle:@"保存到剪貼板" msg:nil delegate:self cancelBt:@"取消" otherBt:@"確定" inputTip:@"輸入濾鏡名稱" cancelBlock:nil okBlock:^(UIAlertController *alert, UIAlertAction *action) {
            UITextField* txtInput = alert.textFields.firstObject;
            [self snipToClipboard:txtInput];
        }];
}
//ios7 支持
-(void)alertView:(UIAlertView *)alertView clickedButtonAtIndex:(NSInteger)buttonIndex{
    //只寫了點(diǎn)擊確定按鈕的事件可以根據(jù)需要來設(shè)置多個(gè)按鈕的點(diǎn)擊事件
    if (buttonIndex == alertView.firstOtherButtonIndex) {
        UITextField *txtInput = [alertView textFieldAtIndex:0];
        [self snipToClipboard:txtInput];
    }
}