IPhone之自定义弹出窗口

转自：http://blog.sina.com.cn/s/blog_4adf31ea0100nw42.html

效果图：

初始化代码：

if (!_alertView)
{
_alertView = [[UIAlertView alloc] initWithTitle:title message:@"\n\n\n" delegate:self cancelButtonTitle:@"取消" otherButtonTitles:@"登录", nil];
_alertView.delegate = self;

usernameField = [[UITextField alloc] initWithFrame:CGRectMake(12.0, 50.0, 260.0, 25.0)];
usernameField.delegate = self;
usernameField.placeholder = @"用户名";
usernameField.autocapitalizationType = UITextAutocapitalizationTypeNone;
usernameField.autocorrectionType = UITextAutocorrectionTypeNo;
usernameField.returnKeyType = UIReturnKeyNext;
usernameField.keyboardType = UIKeyboardTypeEmailAddress;
[usernameField setBackgroundColor:[UIColor whiteColor]];
[_alertView addSubview:usernameField];

passwordField = [[UITextField alloc] initWithFrame:CGRectMake(12.0, 85.0, 260.0, 25.0)];
passwordField.delegate = self;
passwordField.placeholder = @"密码";
passwordField.secureTextEntry = YES;
passwordField.returnKeyType = UIReturnKeyGo;
[passwordField setBackgroundColor:[UIColor whiteColor]];
[_alertView addSubview:passwordField];

CGAffineTransform myTransform = CGAffineTransformMakeTranslation(0.0, 00.0);
[_alertView setTransform:myTransform];
}else {
_alertView.title = title;
usernameField.text = nil;
passwordField.text = nil;
}
 
[usernameField becomeFirstResponder];
[_alertView show];
 
自定义按钮事件代码：
其中didDismissWithButtonIndex参数为：第几个按钮点击事件
 
- (void)alertView:(UIAlertView *)alertView didDismissWithButtonIndex:(NSInteger)buttonIndex{
if (buttonIndex == 1) {
self.userName = usernameField.text;
self.password = passwordField.text;

[self performSelector:@selector(doResponse) withObject:nil afterDelay:0.1];
}
}