1 普通对话框
UIAlertController* alert = [UIAlertController alertControllerWithTitle:@"a" message:@"alert12222fdsfs" preferredStyle:UIAlertControllerStyleAlert];
UIAlertAction* defaultAction = [UIAlertAction actionWithTitle:@"OK" style:UIAlertActionStyleDefault
handler:^(UIAlertAction * action) {
}];
UIAlertAction* cancelAction = [UIAlertAction actionWithTitle:@"Cancel" style:UIAlertActionStyleDefault handler:^(UIAlertAction * action) {
}];
[alert addAction:defaultAction];
[alert addAction:cancelAction];
[self presentViewController:alert animated:YES completion:nil];
2 输入对话框
//对话框添加文本输入框
UIAlertController* alert = [UIAlertController alertControllerWithTitle:@"标题"
message:@"啊啊啊啊啊"
preferredStyle:UIAlertControllerStyleAlert];
UIAlertAction* okAction = [UIAlertAction actionWithTitle:@"OK" style:UIAlertActionStyleDefault
handler:^(UIAlertAction * action) {
//得到文本信息 进行后续处理
for(UITextField *text in alert.textFields){
NSLog(@"text = %@", text.text);
}
}];
UIAlertAction* cancelAction = [UIAlertAction actionWithTitle:@"Cancel" style:UIAlertActionStyleCancel
handler:^(UIAlertAction * action) {
//响应事件
NSLog(@"action = %@", alert.textFields);
}];
[alert addTextFieldWithConfigurationHandler:^(UITextField *textField) {
textField.placeholder = @"用户名";
}];
[alert addTextFieldWithConfigurationHandler:^(UITextField *textField) {
textField.placeholder = @"密码";
textField.secureTextEntry = YES;
}];
[alert addAction:okAction];
[alert addAction:cancelAction];
[self presentViewController:alert animated:YES completion:nil];
3 密码输入对话框
UIAlertView *alertView = [[UIAlertView alloc]initWithTitle:@"支付" message:@"10.0" delegate:self cancelButtonTitle:@"取消" otherButtonTitles:@"确定", nil];
alertView.alertViewStyle = UIAlertViewStyleSecureTextInput;
[alertView show];
4 UIAlertController显示ActionSheet
//弹出框列表选择
UIAlertController* alert = [UIAlertController alertControllerWithTitle:@"aa"
message:@"Ta a a a "
preferredStyle:UIAlertControllerStyleActionSheet];
UIAlertAction* cancelAction = [UIAlertAction actionWithTitle:@"取消" style:UIAlertActionStyleCancel
handler:^(UIAlertAction * action) {
}];
UIAlertAction* deleteAction = [UIAlertAction actionWithTitle:@"删除" style:UIAlertActionStyleDestructive
handler:^(UIAlertAction * action) {
}];
UIAlertAction* saveAction = [UIAlertAction actionWithTitle:@"保存" style:UIAlertActionStyleDefault
handler:^(UIAlertAction * action) {
}];
[alert addAction:saveAction];
[alert addAction:cancelAction];
[alert addAction:deleteAction];
[self presentViewController:alert animated:YES completion:nil];
