初始化版本
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296
SLC1-N/UserManagement.cs
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296
SLC1-N/UserManagement.cs
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using ADOX;
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using System;
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using System.Data.OleDb;
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using System.IO;
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using System.Windows.Forms;
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namespace SLC1_N
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{
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public partial class UserManagement : Form
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{
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public UserManagement()
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{
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InitializeComponent();
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}
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private void UserManagement_Load(object sender, EventArgs e)
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{
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try
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{
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Characters.SelectedIndex = 0;
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string filepath = System.Environment.CurrentDirectory + "\\Config\\Users\\UsersInfo.mdb";
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if (File.Exists(filepath) == true)//判断所选路径是否有文件
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{
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string constr = "Provider=Microsoft.Jet.OLEDB.4.0;" + "Data Source=" + System.Environment.CurrentDirectory + "\\Config\\Users\\UsersInfo.mdb;";
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OleDbConnection con = new OleDbConnection(constr);
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con.Open();
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string sql2 = "SELECT * FROM UserInfo";
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OleDbCommand cmd2 = new OleDbCommand(sql2, con);
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OleDbDataReader userinformation = cmd2.ExecuteReader();
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//下移游标，读取一行，如果没有数据了则返回false
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while (userinformation.Read())
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{
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Account.Items.Add(Convert.ToString(userinformation["账户"]));
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}
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userinformation.Close();
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con.Close();
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}
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}
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catch (Exception ex)
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{
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MessageBox.Show(ex.Message);
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}
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}
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//private void Update_Click(object sender, EventArgs e)
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//{
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// if (Password.TextLength > 0)
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// {
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// if (Characters.Text == "操作员" || Characters.Text == "技术员")
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// {
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// try
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// {
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// string filepath = System.Environment.CurrentDirectory + "\\Config\\Users\\UsersInfo.mdb";
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// if (File.Exists(filepath) == false)//判断所选路径是否有文件
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// {
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// MessageBox.Show("请先新建用户！");
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// }
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// else
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// {
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// string constr = "Provider=Microsoft.Jet.OLEDB.4.0;" + "Data Source=" + System.Environment.CurrentDirectory + "\\Config\\Users\\UsersInfo.mdb;";
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// OleDbConnection con = new OleDbConnection(constr);
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// con.Open();
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// string sql2 = " UPDATE UserInfo SET 密码='" + Password.Text + "' where 账户='" + Account.Text + "'";
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// OleDbCommand cmd2 = new OleDbCommand(sql2, con);
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// cmd2.ExecuteNonQuery();
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// string sql3 = " UPDATE UserInfo SET 权限='" + Characters.Text + "' WHERE 账户='" + Account.Text + "'";
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// OleDbCommand cmd3 = new OleDbCommand(sql3, con);
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// cmd3.ExecuteNonQuery();
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// con.Close();
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// MessageBox.Show("修改成功！");
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// }
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// }
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// catch (Exception ex)
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// {
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// MessageBox.Show(ex.Message);
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// }
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// }
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// else
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// {
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// MessageBox.Show("权限输入非法！");
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// }
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// }
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// else
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// {
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// MessageBox.Show("密码输入非法！");
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// }
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//}
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private void Add_Click(object sender, EventArgs e)
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{
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//if (Password.TextLength > 0)
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//{
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//if (Characters.Text == "操作员" || Characters.Text == "技术员")
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if (Characters.Text == "技术员")
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{
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Boolean add = true;
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//遍历账户，查看是否有重复的账号
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foreach (string oldaccount in Account.Items)
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{
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if (Account.Text == oldaccount)
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{
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MessageBox.Show("账户名称已存在！");
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add = false;
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}
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}
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if (add is true)
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{
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try
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{
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string filepath = System.Environment.CurrentDirectory + "\\Config\\Users\\UsersInfo.mdb";
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string constr = "Provider=Microsoft.Jet.OLEDB.4.0;" + "Data Source=" + System.Environment.CurrentDirectory + "\\Config\\Users\\UsersInfo.mdb;";
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OleDbConnection con = new OleDbConnection(constr);
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if (File.Exists(filepath) == false)//判断所选路径是否有文件
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{
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string filepath2 = System.Environment.CurrentDirectory + "\\Config\\Users\\";
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Directory.CreateDirectory(filepath2);//新建文件夹
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Catalog Product = new Catalog();
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Product.Create("Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + System.Environment.CurrentDirectory + "\\Config\\Users\\UsersInfo.mdb;Jet OLEDB:Engine Type=5;");
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con.Open();
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//string sql = "CREATE TABLE UserInfo ([账户] VarChar(50),[密码] VarChar(50),[权限] VarChar(50))";
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string sql = "CREATE TABLE UserInfo ([账户] VarChar(50))";
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OleDbCommand cmd = new OleDbCommand(sql, con);
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cmd.ExecuteNonQuery();
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con.Close();
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}
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con.Open();
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//string sql2 = " INSERT INTO UserInfo(账户, 密码, 权限) VALUES('" + Account.Text + "', '" + Password.Text + "', '" + Characters.Text + "')";
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string sql2 = " INSERT INTO UserInfo(账户) VALUES('" + Account.Text + "')";
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OleDbCommand cmd2 = new OleDbCommand(sql2, con);
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cmd2.ExecuteNonQuery();
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con.Close();
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Account.Items.Add(Account.Text);
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MessageBox.Show("新建用户成功！");
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}
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catch (Exception ex)
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{
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MessageBox.Show(ex.Message);
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}
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}
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}
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else
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{
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MessageBox.Show("权限输入非法！");
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}
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//}
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//else
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//{
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// MessageBox.Show("密码输入非法！");
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//}
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}
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private void Delete_Click(object sender, EventArgs e)
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{
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try
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{
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if (Account.Text.Length > 0)
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{
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DialogResult delete = MessageBox.Show("确认删除此用户", "删除用户", MessageBoxButtons.OKCancel);
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if (delete == DialogResult.OK)
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{
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string filepath = System.Environment.CurrentDirectory + "\\Config\\Users\\UsersInfo.mdb";
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if (File.Exists(filepath) == false)//判断所选路径是否有文件
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{
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MessageBox.Show("请先新建用户！");
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}
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else
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{
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string constr = "Provider=Microsoft.Jet.OLEDB.4.0;" + "Data Source=" + System.Environment.CurrentDirectory + "\\Config\\Users\\UsersInfo.mdb;";
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OleDbConnection con = new OleDbConnection(constr);
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con.Open();
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string sql2 = "DELETE FROM UserInfo WHERE 账户='" + Account.Text + "'";
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OleDbCommand cmd2 = new OleDbCommand(sql2, con);
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cmd2.ExecuteNonQuery();
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con.Close();
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Account.Items.Remove(Account.Text);
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Account.Text = "";
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//Password.Text = "";
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Characters.SelectedIndex = 0;
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MessageBox.Show("删除用户成功！");
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}
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}
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}
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else
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{
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MessageBox.Show("请选择需要被删除的账户！");
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}
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}
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catch (Exception ex)
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{
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MessageBox.Show(ex.Message);
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}
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}
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private void Characters_KeyDown(object sender, KeyEventArgs e)
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{
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e.Handled = true;
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}
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//private void UpdateReset_Click(object sender, EventArgs e)
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//{
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// UserPassword u1 = new UserPassword();
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// OpenForm(u1);
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//}
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////防止打开多个相同的窗口
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//public void OpenForm(System.Windows.Forms.Form frm)
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//{
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// if (frm == null) return;
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// foreach (System.Windows.Forms.Form f in System.Windows.Forms.Application.OpenForms)
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// {
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// if (f.Name == frm.Name)
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// {
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// f.Activate();
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// f.Show();
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// frm.Dispose();
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// System.GC.Collect();
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// System.GC.WaitForPendingFinalizers();
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// return;
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// }
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// }
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// frm.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen;
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// frm.Show();
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// System.GC.Collect();
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// System.GC.WaitForPendingFinalizers();
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//}
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}
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}
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