一个基于c#的简单抽签系统，可以重新导入数据，清空数据。
代码简单，比较适合初学者。
导入数据时会创建一个txt文本，可以在里面看到输入
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private void button1_Click(object sender, EventArgs e) //确定按钮 { string path = System.IO.Directory.GetCurrentDirectory() + "//name.txt"; Random rand = new Random(System.Guid.NewGuid().GetHashCode()); string[] name = File.ReadAllLines(path); if (name.Length == 0) { MessageBox.Show("导入数据不能为空！"); } else { textBox1.Text = name[rand.Next(0, name.Length)]; //抽签 textBox1.ForeColor = Color.Black; } } private void button3_Click(object sender, EventArgs e) //导入数据 { string qkong = ""; //清空name.TXT string CurDir11 = System.AppDomain.CurrentDomain.BaseDirectory + @"name.txt.txt"; String filePath11 = CurDir11; System.IO.StreamWriter file11 = new System.IO.StreamWriter(filePath11, false); / file11.Write(qkong); file11.Close(); file11.Dispose(); string result = textBox2.Text.Trim(); string d = System.AppDomain.CurrentDomain.BaseDirectory + @"name.txt"; String filePath = d; System.IO.StreamWriter file1 = new System.IO.StreamWriter(filePath, false); file1.Write(result); file1.Close(); file1.Dispose(); MessageBox.Show("导入成功"); } private void button4_Click(object sender, EventArgs e) //清空数据 { string qkong = ""; string s = System.AppDomain.CurrentDomain.BaseDirectory + @"name.txt.txt"; String filePath11 = s; System.IO.StreamWriter file11 = new System.IO.StreamWriter(filePath11, false); file11.Write(qkong); file11.Close(); file11.Dispose(); textBox2.Text = ""; } private void textBox2_TextChanged(object sender, EventArgs e) { this.textBox2.Multiline = true; } |
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原文链接：https://blog.csdn.net/qq_44990523/article/details/110394389
