aiData/addOne/WordAddIn/WordAddIn/LoginForm.cs

using System;
using System.Drawing;
using System.Windows.Forms;

namespace WordAddIn
{
    public class LoginForm : Form
    {
        private TextBox txtUsername;
        private TextBox txtPassword;
        private Button btnLogin;
        private Button btnCancel;

        public LoginForm()
        {
            InitializeComponent();
        }

        private void InitializeComponent()
        {
            this.Text = "AI助手 - 用户登录";
            this.Size = new Size(500, 320); // 增大尺寸
            this.StartPosition = FormStartPosition.CenterScreen;
            this.FormBorderStyle = FormBorderStyle.FixedDialog;
            this.MaximizeBox = false;
            this.MinimizeBox = false;
            this.BackColor = Color.White;

            // 调整布局参数
            int startY = 80;
            int gapY = 60;
            int labelX = 80;
            int inputX = 160;
            int inputWidth = 220;

            // 标题区域
            Label lblTitle = new Label 
            { 
                Text = "教案AI助手", 
                Font = new Font("微软雅黑", 16, FontStyle.Bold), 
                Location = new Point(0, 25), 
                AutoSize = false,
                Width = 500,
                TextAlign = ContentAlignment.MiddleCenter,
                ForeColor = Color.FromArgb(43, 87, 154)
            };
            this.Controls.Add(lblTitle);

            // 1. 用户名
            var lblUser = new Label { Text = "用户名:", Location = new Point(labelX, startY + 5), AutoSize = true, Font = new Font("微软雅黑", 11) };
            txtUsername = new TextBox { Location = new Point(inputX, startY), Width = inputWidth, Font = new Font("微软雅黑", 11), Text = "huanghai" };

            // 2. 密码
            var lblPass = new Label { Text = "密  码:", Location = new Point(labelX, startY + gapY + 5), AutoSize = true, Font = new Font("微软雅黑", 11) };
            txtPassword = new TextBox { Location = new Point(inputX, startY + gapY), Width = inputWidth, Font = new Font("微软雅黑", 11), PasswordChar = '●', Text = "12345678" };

            // Buttons
            btnLogin = new Button 
            { 
                Text = "立即登录", 
                Location = new Point(110, 220), 
                Width = 120, 
                Height = 40, 
                BackColor = Color.FromArgb(43, 87, 154), 
                ForeColor = Color.White,
                FlatStyle = FlatStyle.Flat,
                DialogResult = DialogResult.None,
                Font = new Font("微软雅黑", 10, FontStyle.Bold),
                Cursor = Cursors.Hand
            };
            btnLogin.FlatAppearance.BorderSize = 0;
            btnLogin.Click += BtnLogin_Click;

            btnCancel = new Button 
            { 
                Text = "取消", 
                Location = new Point(250, 220), 
                Width = 120, 
                Height = 40,
                DialogResult = DialogResult.Cancel,
                Font = new Font("微软雅黑", 10),
                Cursor = Cursors.Hand
            };

            this.Controls.Add(lblUser);
            this.Controls.Add(txtUsername);
            this.Controls.Add(lblPass);
            this.Controls.Add(txtPassword);
            this.Controls.Add(btnLogin);
            this.Controls.Add(btnCancel);

            this.AcceptButton = btnLogin;
            this.CancelButton = btnCancel;
        }

        private void BtnLogin_Click(object sender, EventArgs e)
        {
            string user = txtUsername.Text.Trim();
            string pass = txtPassword.Text.Trim();

            // 模拟验证逻辑
            if (user == "huanghai" && pass == "12345678")
            {
                this.DialogResult = DialogResult.OK;
                this.Close();
            }
            else
            {
                MessageBox.Show("用户名或密码错误！\n(默认账号: huanghai, 密码: 12345678)", "登录失败", MessageBoxButtons.OK, MessageBoxIcon.Error);
                txtPassword.Focus();
                txtPassword.SelectAll();
            }
        }
    }
}