WinPSI/FrmLogin.cs

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using PSI.BLL;
using PSI.Common.Encrypt;
using PSI.Models.VModels;
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;
using WinPSI.FModels;

namespace WinPSI
{
    public partial class FrmLogin : Form
    {
        public FrmLogin()
        {
            InitializeComponent();
        }



        #region
        //无边框时，拖动改变窗体位置
        private Point fPoint;
        private void FrmLogin_MouseDown(object sender, MouseEventArgs e)
        {
            fPoint = new Point(e.X, e.Y);
        }

        private void FrmLogin_MouseMove(object sender, MouseEventArgs e)
        {
            if (e.Button == MouseButtons.Left)
            {
                this.Location = new Point(this.Location.X + e.X-fPoint.X, this.Location.Y + e.Y - fPoint.Y);
            }
        }
        #endregion

        /// <summary>
        /// 登录系统
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void btnLogin_Click(object sender, EventArgs e)
        {
            //接收信息
            string userName = txtUName.Text.Trim();
            string userPwd = txtUPwd.Text.Trim();
            //判断是否为空
            if(string.IsNullOrEmpty(userName))
            {
                MsgBoxHelper.MsgErrorShow("账号不能为空！");
                txtUName.Focus();
                return;
            }
            if (string.IsNullOrEmpty(userPwd))