VS使用C#语言现在需要补充代码private void button7_Clickobject sender EventArgs e使用子集构造算法使得在lisview2容器中显示DFA文件只包含起始状态、接受符号、到达状态三列并在label5中显示初始状态集label7中显示终止状态集private void button3_Clickobject sender EventArgs e

private void button7_Click(object sender, EventArgs e) { // 获取NFA文件中的起始状态、接受符号、到达状态信息 string[] startStates = startSymbol.Split(new char[] { ',' }, StringSplitOptions.RemoveEmptyEntries); string[] endStates = endSymbol.Split(new char[] { ',' }, StringSplitOptions.RemoveEmptyEntries);

// 使用子集构造算法构造DFA
DFA dfa = SubsetConstruction.BuildDFA(startStates, symbolSet, TransitionFunction);

// 在listView2中显示DFA文件
listView2.Columns.Add("起始状态", 100);
listView2.Columns.Add("接受符号", 100);
listView2.Columns.Add("到达状态", 100);

foreach (var transition in dfa.Transitions)
{
    ListViewItem item = new ListViewItem(transition.Key);
    item.SubItems.Add(string.Join(",", transition.Value.AcceptSymbols));
    item.SubItems.Add(string.Join(",", transition.Value.NextStates));
    listView2.Items.Add(item);
}

// 在label5中显示初始状态集
label5.Text = "初始状态集：" + string.Join(",", dfa.StartStates);

// 在label7中显示终止状态集
label7.Text = "终止状态集：" + string.Join(",", endStates);

}

private Dictionary<string, Dictionary<string, List>> TransitionFunction(string[] states, string[] symbols) { Dictionary<string, Dictionary<string, List>> transitions = new Dictionary<string, Dictionary<string, List>>();

foreach (string state in states)
{
    transitions[state] = new Dictionary<string, List<string>>();

    foreach (string symbol in symbols)
    {
        List<string> nextStates = new List<string>();

        foreach (ListViewItem item in listView1.Items)
        {
            if (item.SubItems[0].Text == state && item.SubItems[1].Text == symbol)
            {
                nextStates.Add(item.SubItems[2].Text);
            }
        }

        transitions[state][symbol] = nextStates;
    }
}

return transitions;