private Dictionary <string, UsersInfo> OpenCsv(Dictionary <string, UsersInfo> dictionaryOpen, string path) { //StudentsInfo Encoding encoding = GetType(path); //Encoding.ASCII;// System.IO.FileStream fs = new System.IO.FileStream(path, System.IO.FileMode.Open, System.IO.FileAccess.Read); System.IO.StreamReader sr = new System.IO.StreamReader(fs, encoding); //记录每次读取的一行记录 string strLine = ""; //记录每行记录中的各字段内容 string[] aryLine = null; //tableHead = null; //标示是否是读取的第一行 bool IsFirst = true; //逐行读取CSV中的数据,直到结尾 while ((strLine = sr.ReadLine()) != null) { if (IsFirst == true) { //tableHead = strLine; IsFirst = false; } else { aryLine = strLine.Split(','); UsersInfo usersInformationclass = new UsersInfo(); usersInformationclass.NameUsers = aryLine[0]; usersInformationclass.PswUsers = aryLine[1]; try { usersInfo.Add(usersInformationclass.NameUsers, usersInformationclass); } catch (ArgumentException) { MessageBox.Show(this, "添加失败!" + "用户" + usersInformationclass.NameUsers + "已存在!", "提示", MessageBoxButtons.OK); } } } sr.Close(); fs.Close(); return(dictionaryOpen); }
private void button_register_Click(object sender, EventArgs e) { UsersInfo usersInformationclass = new UsersInfo(); usersInformationclass.NameUsers = textBox_user.Text; usersInformationclass.PswUsers = textBox_psw.Text; usersInformationclass.Level1Score = 0; usersInformationclass.Level2Score = 0; usersInformationclass.Level3Score = 0; if ((usersInformationclass.NameUsers == "") || (usersInformationclass.NameUsers == "")) { MessageBox.Show(this, "用户名或密码不能为空!", "提示", MessageBoxButtons.OK); } else { //利用字典添加 try { usersInfo.Add(textBox_user.Text, usersInformationclass); MessageBox.Show(this, "注册成功!", "提示", MessageBoxButtons.OK); } catch (ArgumentException) { MessageBox.Show(this, "注册失败!" + "用户" + textBox_user.Text + "已存在!", "提示", MessageBoxButtons.OK); } } FileInfo fi = new FileInfo(Register_Login_MainForm._filePath); if (!fi.Directory.Exists) { fi.Directory.Create(); } FileStream fs = new FileStream(Register_Login_MainForm._filePath, System.IO.FileMode.Create, System.IO.FileAccess.Write); StreamWriter sw = new StreamWriter(fs, System.Text.Encoding.UTF8); //输出字段名 string data = ""; data = "NameUsers,PswUsers,Level1Score,Level2Score,Level3Score"; sw.WriteLine(data); //写出各行数据 foreach (KeyValuePair <string, UsersInfo> kvp in Register_Login_MainForm.usersInfo) { //Console.WriteLine("Key = {0}, Value = {1}", // kvp.Key, kvp.Value); //kvp.Value.Level1Score = 0; //kvp.Value.Level2Score = 0; //kvp.Value.Level3Score = 0; data = kvp.Value.NameUsers + "," + kvp.Value.PswUsers + "," + kvp.Value.Level1Score + "," + kvp.Value.Level2Score + "," + kvp.Value.Level3Score; sw.WriteLine(data); } sw.Close(); fs.Close(); }