魔兽登录系统

FrmLogin界面：

 1 using System;
 2 using System.Collections.Generic;
 3 using System.ComponentModel;
 4 using System.Data;
 5 using System.Drawing;
 6 using System.Linq;
 7 using System.Text;
 8 using System.Threading.Tasks;
 9 using System.Windows.Forms;
10 
11 namespace day01_0100魔兽登陆
12 {
13     public partial class FrmLogin : Form
14     {
15         public FrmLogin()
16         {
17             InitializeComponent();
18         }
19 
20         private void label2_Click(object sender, EventArgs e)
21         {
22             FrmRegist fr = new FrmRegist();
23             fr.fl = this;
24             fr.Show();
25             this.Hide();
26         }
27         //存储登录用户信息的对象数组
28         public LoginInfo[] array;
29         private void FrmLogin_Load(object sender, EventArgs e)
30         {
31             //初始用户信息
32             array = new LoginInfo[10];
33             LoginInfo info1 = new LoginInfo();
34             info1.Name = "孙丽丽";
35             info1.Id = "12345678";
36             info1.Email = "123@qq.com";
37             info1.Password = "123456";
38             array[0] = info1;
39         }
40 
41         private void btnLogin_Click(object sender, EventArgs e)
42         {
43             if (txtEmail.Text.Trim() == "" || txtPwd.Text.Trim() == "")
44             {
45                 MessageBox.Show("用户名密码不能为空", "提示");
46             }
47             else
48             {
49                 string userName = txtEmail.Text;
50                 string pwd = txtPwd.Text;
51                 bool isOK = false;
52                 foreach (LoginInfo item in array)
53                 {
54                     if (item != null)
55                     {
56                         if (item.Email == userName && item.Password == pwd)
57                         {
58 
59                             isOK = true;
60                             FrmMain fm = new FrmMain();
61                             fm.bt = "欢迎" + item.Name;
62                             fm.Show();
63                             break;
64                         }
65                     }
66                 }
67                 if (isOK == false)
68                 {
69                     lblPwd.Visible = true;
70                     txtPwd.Text = "";
71                     txtPwd.Focus();
72                 }
73             }
74         }
75     }
76 }

FrmRegist界面：

 1 using System;
 2 using System.Collections.Generic;
 3 using System.ComponentModel;
 4 using System.Data;
 5 using System.Drawing;
 6 using System.Linq;
 7 using System.Text;
 8 using System.Threading.Tasks;
 9 using System.Windows.Forms;
10 
11 namespace day01_0100魔兽登陆
12 {
13     public partial class FrmRegist : Form
14     {
15         public FrmRegist()
16         {
17             InitializeComponent();
18         }
19         public FrmLogin fl;
20         private void btnRegist_Click(object sender, EventArgs e)
21         {
22             //LoginInfo info = new LoginInfo();
23             MessageBox.Show("恭喜,通过验证!", "提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
24             for (int i = 0; i < fl.array.Length; i++)
25             {
26                 if (fl.array[i] == null)
27                 {
28                     fl.array[i] = new LoginInfo();
29                     fl.array[i].Name = textBox1.Text;
30                     fl.array[i].Password = textBox4.Text;
31                     fl.array[i].Email = textBox3.Text;
32                     break;
33                 }
34             }
35             fl.Visible = true;
36             this.Close();
37         }
38     }
39 }

FrmMain界面：

 1 using System;
 2 using System.Collections.Generic;
 3 using System.ComponentModel;
 4 using System.Data;
 5 using System.Drawing;
 6 using System.Linq;
 7 using System.Text;
 8 using System.Threading.Tasks;
 9 using System.Windows.Forms;
10 
11 namespace day01_0100魔兽登陆
12 {
13     public partial class FrmMain : Form
14     {
15         public FrmMain()
16         {
17             InitializeComponent();
18         }
19         public string bt;
20         private void FrmMain_Load(object sender, EventArgs e)
21         {
22             label1.Text=bt;
23         }
24     }
25 }