iOS-使用提示框UIAlertController输入文本

  UIAlertController *alertController = [UIAlertController alertControllerWithTitle:@"提示" message:@"请输入个人信息" preferredStyle:UIAlertControllerStyleAlert];
  //增加确定按钮;
  [alertController addAction:[UIAlertAction actionWithTitle:@"确定" style:UIAlertActionStyleDefault handler:^(UIAlertAction * _Nonnull action) {
    //获取第1个输入框;
    UITextField *userNameTextField = alertController.textFields.firstObject;
    
    //获取第2个输入框;
    UITextField *passwordTextField = alertController.textFields.lastObject;
    
    NSLog(@"用户名 = %@,密码 = %@",userNameTextField.text,passwordTextField.text);
    
  }]];
  
  //增加取消按钮;
  [alertController addAction:[UIAlertAction actionWithTitle:@"取消" style:UIAlertActionStyleDefault handler:nil]];
  
  //定义第一个输入框;
  [alertController addTextFieldWithConfigurationHandler:^(UITextField * _Nonnull textField) {
    textField.placeholder = @"请输入用户名";
  }];
  //定义第二个输入框;
  [alertController addTextFieldWithConfigurationHandler:^(UITextField * _Nonnull textField) {
    textField.placeholder = @"请输入密码";
  }];
  
  [self presentViewController:alertController animated:true completion:nil];
  
 
 

摘自:https://blog.csdn.net/chenyufeng1991/article/details/49537053

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