1,界面设计如下
2,源代码
using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Linq; using System.Text; using System.Threading.Tasks; using System.Windows.Forms; namespace _08单选框1 { public partial class Form1 : Form { public Form1() { InitializeComponent(); } private void button1_Click(object sender, EventArgs e) { string name = textBox1.Text.Trim(); string password = textBox2.Text; if(radioButton1.Checked) { if(name=="student"&&password=="student") { MessageBox.Show("学生登录成功"); } else { MessageBox.Show("学生登录失败,请重新输入"); textBox1.Text = " "; textBox2.Text = " "; label1.Focus(); } } else if(radioButton2.Checked) { if (name == "teacher" && password == "teacher") { MessageBox.Show("老师登录成功"); } else { MessageBox.Show("老师登录失败,请重新输入"); textBox1.Text = " "; textBox2.Text = " "; label1.Focus(); } } } } }