IOS9+基礎之警報框彈出和操作表彈出

代碼如下

// // ViewController.m // 001-UIAlertView // // Created by lujun on 2021/6/3. //#import "ViewController.h"@interface ViewController () - (IBAction)rightClick:(id)sender;@end@implementation ViewController- (IBAction)clck2:(id)sender {// UIAlertView * alert = [[UIAlertView alloc] initWithTitle:@"標題" message:@"消息" delegate:self cancelButtonTitle:@"取消按鈕" otherButtonTitles:@"其他按鈕標題", nil]; // // [alert show];//1.創建UIAlertControlerUIAlertController *alert = [UIAlertController alertControllerWithTitle:@"標題" message:@"這是一些信息" preferredStyle:UIAlertControllerStyleAlert];/*參數說明：Title:彈框的標題message:彈框的消息內容preferredStyle:彈框樣式：UIAlertControllerStyleAlert*///2.添加按鈕動作//2.1 確認按鈕UIAlertAction *conform = [UIAlertAction actionWithTitle:@"確認" style:UIAlertActionStyleDefault handler:^(UIAlertAction * _Nonnull action) {NSLog(@"點擊了確認按鈕");}];//2.2 取消按鈕UIAlertAction *cancel = [UIAlertAction actionWithTitle:@"取消" style:UIAlertActionStyleCancel handler:^(UIAlertAction * _Nonnull action) {NSLog(@"點擊了取消按鈕");}];//2.3 還可以添加文本框 通過 alert.textFields.firstObject 獲得該文本框 // [alert addTextFieldWithConfigurationHandler:^(UITextField * _Nonnull textField) { // textField.placeholder = @"請填寫您的反饋信息"; // }];//3.將動作按鈕 添加到控制器中[alert addAction:conform];[alert addAction:cancel];//4.顯示彈框[self presentViewController:alert animated:YES completion:nil];}- (IBAction)leftClick:(id)sender {// UIAlertView * alert = [[UIAlertView alloc] initWithTitle:@"標題" message:@"消息" delegate:self cancelButtonTitle:@"取消按鈕" otherButtonTitles:@"其他按鈕標題", nil]; // // [alert show];//1.創建UIAlertControlerUIAlertController *alert = [UIAlertController alertControllerWithTitle:@"標題" message:@"這是一些信息" preferredStyle:UIAlertControllerStyleAlert];/*參數說明：Title:彈框的標題message:彈框的消息內容preferredStyle:彈框樣式：UIAlertControllerStyleAlert*///2.添加按鈕動作//2.1 確認按鈕UIAlertAction *conform = [UIAlertAction actionWithTitle:@"確認" style:UIAlertActionStyleDefault handler:^(UIAlertAction * _Nonnull action) {NSLog(@"點擊了確認按鈕");}];//2.2 取消按鈕UIAlertAction *cancel = [UIAlertAction actionWithTitle:@"取消" style:UIAlertActionStyleCancel handler:^(UIAlertAction * _Nonnull action) {NSLog(@"點擊了取消按鈕");}];//2.3 還可以添加文本框 通過 alert.textFields.firstObject 獲得該文本框[alert addTextFieldWithConfigurationHandler:^(UITextField * _Nonnull textField) {textField.placeholder = @"請填寫您的反饋信息";}];//3.將動作按鈕 添加到控制器中[alert addAction:conform];[alert addAction:cancel];//4.顯示彈框[self presentViewController:alert animated:YES completion:nil];}- (void)viewDidLoad {[super viewDidLoad];}- (IBAction)rightClick:(id)sender {//1.創建ControllerUIAlertController *alertSheet = [UIAlertController alertControllerWithTitle:@"標題" message:@"一些信息" preferredStyle:UIAlertControllerStyleActionSheet];/*參數說明：Title:彈框的標題message:彈框的消息內容preferredStyle:彈框樣式：UIAlertControllerStyleActionSheet*///2.添加按鈕動作UIAlertAction *action1 = [UIAlertAction actionWithTitle:@"項目1" style:UIAlertActionStyleDefault handler:^(UIAlertAction * _Nonnull action) {NSLog(@"點擊了項目1");}];UIAlertAction *action2 = [UIAlertAction actionWithTitle:@"項目2" style:UIAlertActionStyleDefault handler:^(UIAlertAction * _Nonnull action) {NSLog(@"點擊了項目2");}];UIAlertAction *cancel = [UIAlertAction actionWithTitle:@"取消" style:UIAlertActionStyleCancel handler:^(UIAlertAction * _Nonnull action) {NSLog(@"點擊了取消");}];//3.添加動作[alertSheet addAction:action1];[alertSheet addAction:action2];[alertSheet addAction:cancel];//4.顯示sheet[self presentViewController:alertSheet animated:YES completion:nil];} @end

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