using ADOX; using System; using System.Data.OleDb; using System.IO; using System.Windows.Forms; namespace SLC1_N { public partial class UserManagement : Form { public UserManagement() { InitializeComponent(); } private void UserManagement_Load(object sender, EventArgs e) { try { Characters.SelectedIndex = 0; string filepath = System.Environment.CurrentDirectory + "\\Config\\Users\\UsersInfo.mdb"; if (File.Exists(filepath) == true)//判断所选路径是否有文件 { string constr = "Provider=Microsoft.Jet.OLEDB.4.0;" + "Data Source=" + System.Environment.CurrentDirectory + "\\Config\\Users\\UsersInfo.mdb;"; OleDbConnection con = new OleDbConnection(constr); con.Open(); string sql2 = "SELECT * FROM UserInfo"; OleDbCommand cmd2 = new OleDbCommand(sql2, con); OleDbDataReader userinformation = cmd2.ExecuteReader(); //下移游标，读取一行，如果没有数据了则返回false while (userinformation.Read()) { Account.Items.Add(Convert.ToString(userinformation["账户"])); } userinformation.Close(); con.Close(); } } catch (Exception ex) { MessageBox.Show(ex.Message); } } //private void Update_Click(object sender, EventArgs e) //{ // if (Password.TextLength > 0) // { // if (Characters.Text == "操作员" || Characters.Text == "技术员") // { // try // { // string filepath = System.Environment.CurrentDirectory + "\\Config\\Users\\UsersInfo.mdb"; // if (File.Exists(filepath) == false)//判断所选路径是否有文件 // { // MessageBox.Show("请先新建用户！"); // } // else // { // string constr = "Provider=Microsoft.Jet.OLEDB.4.0;" + "Data Source=" + System.Environment.CurrentDirectory + "\\Config\\Users\\UsersInfo.mdb;"; // OleDbConnection con = new OleDbConnection(constr); // con.Open(); // string sql2 = " UPDATE UserInfo SET 密码='" + Password.Text + "' where 账户='" + Account.Text + "'"; // OleDbCommand cmd2 = new OleDbCommand(sql2, con); // cmd2.ExecuteNonQuery(); // string sql3 = " UPDATE UserInfo SET 权限='" + Characters.Text + "' WHERE 账户='" + Account.Text + "'"; // OleDbCommand cmd3 = new OleDbCommand(sql3, con); // cmd3.ExecuteNonQuery(); // con.Close(); // MessageBox.Show("修改成功！"); // } // } // catch (Exception ex) // { // MessageBox.Show(ex.Message); // } // } // else // { // MessageBox.Show("权限输入非法！"); // } // } // else // { // MessageBox.Show("密码输入非法！"); // } //} private void Add_Click(object sender, EventArgs e) { //if (Password.TextLength > 0) //{ //if (Characters.Text == "操作员" || Characters.Text == "技术员") if (Characters.Text == "技术员") { Boolean add = true; //遍历账户，查看是否有重复的账号 foreach (string oldaccount in Account.Items) { if (Account.Text == oldaccount) { MessageBox.Show("账户名称已存在！"); add = false; } } if (add is true) { try { string filepath = System.Environment.CurrentDirectory + "\\Config\\Users\\UsersInfo.mdb"; string constr = "Provider=Microsoft.Jet.OLEDB.4.0;" + "Data Source=" + System.Environment.CurrentDirectory + "\\Config\\Users\\UsersInfo.mdb;"; OleDbConnection con = new OleDbConnection(constr); if (File.Exists(filepath) == false)//判断所选路径是否有文件 { string filepath2 = System.Environment.CurrentDirectory + "\\Config\\Users\\"; Directory.CreateDirectory(filepath2);//新建文件夹 Catalog Product = new Catalog(); Product.Create("Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + System.Environment.CurrentDirectory + "\\Config\\Users\\UsersInfo.mdb;Jet OLEDB:Engine Type=5;"); con.Open(); //string sql = "CREATE TABLE UserInfo ([账户] VarChar(50),[密码] VarChar(50),[权限] VarChar(50))"; string sql = "CREATE TABLE UserInfo ([账户] VarChar(50))"; OleDbCommand cmd = new OleDbCommand(sql, con); cmd.ExecuteNonQuery(); con.Close(); } con.Open(); //string sql2 = " INSERT INTO UserInfo(账户, 密码, 权限) VALUES('" + Account.Text + "', '" + Password.Text + "', '" + Characters.Text + "')"; string sql2 = " INSERT INTO UserInfo(账户) VALUES('" + Account.Text + "')"; OleDbCommand cmd2 = new OleDbCommand(sql2, con); cmd2.ExecuteNonQuery(); con.Close(); Account.Items.Add(Account.Text); MessageBox.Show("新建用户成功！"); } catch (Exception ex) { MessageBox.Show(ex.Message); } } } else { MessageBox.Show("权限输入非法！"); } //} //else //{ // MessageBox.Show("密码输入非法！"); //} } private void Delete_Click(object sender, EventArgs e) { try { if (Account.Text.Length > 0) { DialogResult delete = MessageBox.Show("确认删除此用户", "删除用户", MessageBoxButtons.OKCancel); if (delete == DialogResult.OK) { string filepath = System.Environment.CurrentDirectory + "\\Config\\Users\\UsersInfo.mdb"; if (File.Exists(filepath) == false)//判断所选路径是否有文件 { MessageBox.Show("请先新建用户！"); } else { string constr = "Provider=Microsoft.Jet.OLEDB.4.0;" + "Data Source=" + System.Environment.CurrentDirectory + "\\Config\\Users\\UsersInfo.mdb;"; OleDbConnection con = new OleDbConnection(constr); con.Open(); string sql2 = "DELETE FROM UserInfo WHERE 账户='" + Account.Text + "'"; OleDbCommand cmd2 = new OleDbCommand(sql2, con); cmd2.ExecuteNonQuery(); con.Close(); Account.Items.Remove(Account.Text); Account.Text = ""; //Password.Text = ""; Characters.SelectedIndex = 0; MessageBox.Show("删除用户成功！"); } } } else { MessageBox.Show("请选择需要被删除的账户！"); } } catch (Exception ex) { MessageBox.Show(ex.Message); } } private void Characters_KeyDown(object sender, KeyEventArgs e) { e.Handled = true; } //private void UpdateReset_Click(object sender, EventArgs e) //{ // UserPassword u1 = new UserPassword(); // OpenForm(u1); //} ////防止打开多个相同的窗口 //public void OpenForm(System.Windows.Forms.Form frm) //{ // if (frm == null) return; // foreach (System.Windows.Forms.Form f in System.Windows.Forms.Application.OpenForms) // { // if (f.Name == frm.Name) // { // f.Activate(); // f.Show(); // frm.Dispose(); // System.GC.Collect(); // System.GC.WaitForPendingFinalizers(); // return; // } // } // frm.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen; // frm.Show(); // System.GC.Collect(); // System.GC.WaitForPendingFinalizers(); //} } }