loginoperform.cs

一个超市管理系统,没有错误,非常好,里面什么都有!很使用,很有用

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using DaFanRongMIS.Model.LoginOper;
using System.IO;
namespace DaFanRongMIS.ViewController.Login
{
    public partial class LoginForm : Form
    {
        static string statetage = "Add";
        public LoginForm()
        {
            InitializeComponent();
        }

        private void LoginForm_Load(object sender, EventArgs e)
        {
            this.panel1.Enabled = false;
           
        }
      
        #region 清空数据
        void ClearData()
        {
            txtUserID.Text = "";
            txtPassword.Text = "";
            txtIDCard.Text = "";
            txtIDCard.Tag = "";
            txtCashRegisterID.Tag = "";
            txtCashRegisterID.Text = "";
            cmbStatus.SelectedIndex = 0;
            txtPassword2.Text = "";
            dtpOutTime.Enabled = false;
            statetage = "Add";
            txtUserID.Enabled = true;
            txtUserID.Focus();


        }
        #endregion

        #region F10键快速保存
        private void LoginForm_KeyUp(object sender, KeyEventArgs e)
        {           
            
            if (e.KeyCode == Keys.F10)
            {
                btnSave_Click( sender,  e);
            }
        }
        #endregion
        private void tbAdd_Click(object sender, EventArgs e)
        {
            
            this.panel1.Enabled = true;
            ClearData();
            statetage = "Add";
            dtpCreateTime.Text = DateTime.Now.ToShortDateString(); ;
            dtpCreateTime.Enabled = false;
            cmbStatus.Enabled = false;
        }

        private void tbUpdate_Click(object sender, EventArgs e)
        {
            statetage = "Update";
            this.panel1.Enabled = true;
            this.dtpOutTime.Enabled = true;
            this.txtUserID.Enabled = false;
        }

        private void btnSelectIDCard_Click(object sender, EventArgs e)
        {
            this.txtIDCard.Text = "李力";
            txtIDCard.Tag = "220220198501013214";
        }

        private void btnCashRegisterID_Click(object sender, EventArgs e)
        {
            txtCashRegisterID.Text = "一号收银机";
            txtCashRegisterID.Tag = "01";
        }

        private void btnSave_Click(object sender, EventArgs e)
        {
            string retval = "";
            if (txtUserID.Text == "")
            {
                MessageBox.Show("用户名不许空");
                return;
            }
            if (txtPassword.Text != txtPassword2.Text)
            {
                MessageBox.Show("两次密码输入必须一致！");
                return;
            }
            if (txtPassword.Text == "" || txtPassword2.Text == "")
            {
                MessageBox.Show("密码不许空！");
                return;
            }

            LoginEntity login = new LoginEntity();
            login.Userid = txtUserID.Text.Trim();
            login.Password = txtPassword.Text.Trim();
            login.Idcard = txtIDCard.Tag.ToString().Trim();
            login.Cashregisterid = txtCashRegisterID.Tag.ToString().Trim();
            login.Status = cmbStatus.Text.Trim();
            login.Createtime =Convert.ToDateTime( dtpCreateTime.Value.ToShortDateString());
            login.Outtime = dtpOutTime.Value;
            LoginDAOImpl loginDao = new LoginDAOImpl();
            if (statetage == "Add")
            {
                retval = loginDao.AddLogin(login);
                if (retval == "数据重复")
                {
                    MessageBox.Show("用户名已经存在，请修改");
                    txtUserID.Focus();
                    txtUserID.SelectAll();
                }
                else if (retval == "OK")
                {
                    ClearData();

                }
            }
            else if (statetage == "Update")
            {
                retval = loginDao.UpdateLogin(login);
                if (retval == "OK")
                {
                    
                    this.panel1.Enabled = false;
                    statetage = "Add";
                    //更新列表中的数据
                    
                    lvLogin.SelectedItems[0].SubItems[1].Text=txtPassword.Text;

                    lvLogin.SelectedItems[0].SubItems[2].Text = txtIDCard.Tag.ToString();
                    lvLogin.SelectedItems[0].SubItems[3].Text = txtIDCard.Text;
                    lvLogin.SelectedItems[0].SubItems[4].Text = txtCashRegisterID.Tag.ToString();
                    lvLogin.SelectedItems[0].SubItems[5].Text = txtCashRegisterID.Text;
                    lvLogin.SelectedItems[0].SubItems[6].Text = cmbStatus.Text;
                    lvLogin.SelectedItems[0].SubItems[7].Text = dtpCreateTime.Text;
                    lvLogin.SelectedItems[0].SubItems[8].Text = dtpOutTime.Text;
                    ClearData();


                }
                else
                {
                    MessageBox.Show("数据修改失败，请联系管理员");
                }
            }
            
                
        }

        private void tbDelete_Click(object sender, EventArgs e)
        {
            if (lvLogin.Items.Count == 0) return;
            if (lvLogin.SelectedItems.Count == 0) return;
            if (MessageBox.Show("确信删除吗?", "信息提示", MessageBoxButtons.OKCancel) == DialogResult.Cancel) return;
            string retval = "";
            LoginEntity login = new LoginEntity();
            login.Userid = lvLogin.SelectedItems[0].Text;
            LoginDAOImpl loginDao = new LoginDAOImpl();
            retval = loginDao.DeleteLogin(login);
            if (retval == "OK")
            {
                //清除列表中的数据
                this.lvLogin.SelectedItems[0].Remove();
                this.panel1.Enabled = false;
                ClearData();
                statetage = "Add";
            }
            else
            {
                MessageBox.Show("数据删除失败，请联系管理员");
            }

        }

        private void tsbtnSelect_Click(object sender, EventArgs e)
        {
            LoginDAOImpl loginDao = new LoginDAOImpl();
            DataTable dt = loginDao.selectInfo(tstxtUserid.Text);
            this.lvLogin.Items.Clear();
            foreach (DataRow row in dt.Rows)
            {
                ListViewItem item = new ListViewItem(row["userid"].ToString());
                item.SubItems.Add(row["password"].ToString());//0
                item.SubItems.Add(row["idcard"].ToString());//1
                item.SubItems.Add(row["eName"].ToString());//2
                item.SubItems.Add(row["cashRegisterid"].ToString());//3
                item.SubItems.Add(row["cName"].ToString());//4
                item.SubItems.Add(row["status"].ToString());//5
                item.SubItems.Add((Convert.ToDateTime(row["createtime"])).ToShortDateString());//6
                if (row["outtime"].ToString() == "1900-01-01")
                    item.SubItems.Add("");
                else
                    item.SubItems.Add((Convert.ToDateTime(row["outtime"])).ToShortDateString());//7
                this.lvLogin.Items.Add(item);
            }

        }

        private void lvLogin_DoubleClick(object sender, EventArgs e)
        {
            if (lvLogin.Items.Count > 0 && lvLogin.SelectedItems[0].Index < lvLogin.Items.Count)
            {
                //数据反添
                txtUserID.Text= lvLogin.SelectedItems[0].Text;
                txtPassword.Text = lvLogin.SelectedItems[0].SubItems[1].Text;
                txtPassword2.Text = lvLogin.SelectedItems[0].SubItems[1].Text;
                txtIDCard.Tag = lvLogin.SelectedItems[0].SubItems[2].Text;
                txtIDCard.Text = lvLogin.SelectedItems[0].SubItems[3].Text;
                txtCashRegisterID.Tag = lvLogin.SelectedItems[0].SubItems[4].Text;
                txtCashRegisterID.Text = lvLogin.SelectedItems[0].SubItems[5].Text;
                cmbStatus.Text = lvLogin.SelectedItems[0].SubItems[6].Text;
                dtpCreateTime.Text = lvLogin.SelectedItems[0].SubItems[7].Text;
               if(lvLogin.SelectedItems[0].SubItems[8].Text=="1900-01-01")
                   dtpOutTime.Text="";
               else
                    dtpOutTime.Text = lvLogin.SelectedItems[0].SubItems[8].Text;
                this.panel1.Enabled = false;
            }

        }

        private void lvLogin_SelectedIndexChanged(object sender, EventArgs e)
        {

        }
    }
}