我在我的应用中使用Flutter Bloc (),但在重新加载窗口小部件树时,我在重新初始化bloc时遇到了问题。
我的应用程序中的树结构的简化版本如下
[BlocProviderA]
-> [BlocBuilderA]
-> [PageView] // this shouldn't really matter but showing it here anyway in case it does :)
-> [BlocProviderB]
-> [BlocBuilderB]
在某些情况下,BlocA的状态会发生变化,因此
我需要在我已经启动的事务之外运行一个查询:
$transaction = \Yii::$app->db->beginTransaction();
try {
//... other database queries within the transaction ...
//Query I want to be inserted regardless:
\Yii::$app->db->createCommand("INSERT INTO...")->execute();
$transaction->comm
下面的代码显示了一个标签、一个文本字段和一个按钮: import javax.swing.*;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
public class Form extends JFrame implements ActionListener {
private JLabel label = new JLabel("What's your name:");
private JTextField f