mes-client/UAS_DeviceMonitor/Login.cs

using System;
using DevExpress.XtraEditors;
using UAS_DeviceMonitor.Entity;
using System.Data;
using UAS_DeviceMonitor.DataOperate;
using UAS_DeviceMonitor.PublicMethod;

namespace UAS_DeviceMonitor
{
    public partial class Login : XtraForm
    {
        DataHelper dh = new DataHelper();

        public DataTable UserInf { get; private set; }

        public Login()
        {
            InitializeComponent();
        }

        private void Login_Load(object sender, EventArgs e)
        {
            SystemInf.dh = dh;
        }

        private void LoginButton_Click(object sender, EventArgs e)
        {
            if (UserName.Text != "" && PassWord.Text != "")
            {
                string oErrMessage = "";
                if (LogicHandler.CheckUserLogin(UserName.Text, PassWord.Text, out oErrMessage))
                {
                    SetInf();
                    Main main = new Main();
                    Hide();
                    main.ShowDialog();
                    Close();
                }
                else XtraMessageBox.Show(oErrMessage);
            }
            else XtraMessageBox.Show("用户名和密码不能为空!");
        }

        /// <summary>
        ///设置User类的全局变量，类似于Session
        /// </summary>
        private void SetInf()
        {
            //设置全局用户信息
            string[] field = { "em_code,em_depart,em_type,em_name,em_position,em_professname,em_type,ug_code,ug_name" };
            UserInf = dh.getFieldsDataByCondition("Employee left join cs$userresource on ur_emcode=em_code left join cs$usergroup on ug_code=ur_groupcode", field, "upper(em_code)='" + UserName.Text.ToUpper() + "'");
            //通过Source表关联岗位资源编号查询出当前的执行工序
            User.UserCode = UserInf.Rows[0]["em_code"].ToString();
            User.UserDepartment = UserInf.Rows[0]["em_depart"].ToString();
            User.UserName = UserInf.Rows[0]["em_name"].ToString();
            User.UserPosition = UserInf.Rows[0]["em_position"].ToString();
            User.UserProfessName = UserInf.Rows[0]["em_professname"].ToString();
            User.UserAccountType = UserInf.Rows[0]["em_type"].ToString();
            User.UserGroupCode = UserInf.Rows[0]["ug_code"].ToString();
            User.UserGroup = UserInf.Rows[0]["ug_name"].ToString();
        }

        private void PassWord_KeyDown(object sender, System.Windows.Forms.KeyEventArgs e)
        {
            if (e.KeyCode == System.Windows.Forms.Keys.Enter)
            {
                LoginButton.PerformClick();
            }
        }
    }
}