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本周作业
作为一名现场记分员，我希望详细记录比赛现场比分增长情况，以便观众及运动员、教练员及时掌握比赛状况
计划：
1.需要两周时间
2.设计文档
namespace 排球程序 { public partial class BeginForm : Form { public BeginForm() { InitializeComponent(); } int scoreA = 0; int scoreB = 0; int juANum = 0; int juBNum = 0; int juCount = 1; string ju = "第一局"; int ballNum = 0; showForm F = null; private void BeginForm_Load(object sender, EventArgs e) { this.Location = new Point(0, 0); //等价于： form1.Left=0; form1.Right=0; //this.Size = new Size(1000, 800); //显示时间 string hour = (DateTime.Now.Hour).ToString(); string minute = (DateTime.Now.Minute).ToString(); string secound = (DateTime.Now.Second).ToString(); CurrentTime.Text = hour + ":" + minute+":" +secound; timer1.Start(); cmbTeam.Items.Clear(); cmbTeam.Items.Add("<--请选择队伍（必选）-->"); cmbTeam.Items.Add("查全部队伍"); cmbTeam.SelectedIndex = 1; cmbTeamA.Items.Clear(); cmbTeamA.Items.Add("<--请选择队伍(必选)-->"); cmbTeamA.SelectedIndex = 0; MembersBll membersbll = new MembersBll(); List<string> allTeamList = membersbll.GetTeamBNameBll("null"); for (int i = 0; i < allTeamList.Count; i++) { cmbTeam.Items.Add(allTeamList[i]); cmbTeamA.Items.Add(allTeamList[i]); } }
private void timer1_Tick(object sender, EventArgs e)
{
timer1.Interval = 1000;
string hour = (DateTime.Now.Hour).ToString();//显示系统当前时间
string minute = (DateTime.Now.Minute).ToString();
string secound = (DateTime.Now.Second).ToString();
CurrentTime.Text = hour + ":" + minute + ":" + secound;
if (!(F == null || F.IsDisposed))
{
F.DisplayTime(CurrentTime.Text);
}
}
private void btnRegister_Click(object sender, EventArgs e)
{
//切换到下一个选项卡
this.tabControl1.SelectedIndex = this.tabControl1.SelectedIndex + 1;
}
private void btnSubmit_Click(object sender, EventArgs e)
{
//切换到下一个选项卡
this.tabControl1.SelectedIndex = this.tabControl1.SelectedIndex + 1;
}
namespace DAL
{
public class MembersDAL
{
/// <summary>
/// </summary>
/// <param name="m">Members</param>
/// <returns>int</returns>
public int InsertMemberDal(Members m)
{
for (int i = 0; i < 1; i++）
{
string sqlIsRepeat = "select MName from Members where Number=" +
m.Number + " and TName=" + m.TName;
SqlDataReader reader = SqlHelper.ExecuteReader(sqlIsRepeat);
if (reader.HasRows)
{
return 0; //return 用于退出循环和循环所在的函数。
}
}
string sql = "insert into Members values(@MName,@TName,@Number,@Position,@Weight," +
"@Height,@Age,@NickName,@Strength)";
SqlParameter[] pms = {
new SqlParameter("@MName",m.MName),
new SqlParameter("@TName",m.TName),
new SqlParameter("@Number",m.Number),
new SqlParameter("@Position",m.Position),
new SqlParameter("@Weight",m.Weight),
new SqlParameter("@Height",m.Height),
new SqlParameter("@Age",m.Age),
new SqlParameter("@NickName",m.NickName),
new SqlParameter("@Strength",m.Strength),
};
return SqlHelper.ExecuteNonQuery(sql, pms);
}
/// <summary>
/// </summary>
/// <param name="s">左侧下拉框选中的队伍</param>
/// <returns></returns>
public List<string> GetTeamBName(string tname,string mname=null)
{
//string sql;
//if (mname != null)//获得队名
//{
// sql = "select distinct TName from Members where TName not in(@tname)";
//}
//else//获得某队里的某个人的信息
//{
// sql = "select * from " + tname + " where MName =‘" + mname + "‘";
//}
string sql = "select distinct TName from Members where TName not in(@tname)";
List<string> teamBList = null;
using (SqlDataReader reader = SqlHelper.ExecuteReader(sql, new SqlParameter("@tname",tname)))
{
if (reader.HasRows)
{
teamBList = new List<string>();
while (reader.Read())
{
teamBList.Add(reader[0].ToString());
}
}
}
return teamBList;
}
public List<string> GetTeamMembersDal(string tname, string mname = null)
{
string sql = "select MName from Members where TName=‘" + tname + "‘";
//SqlParameter[] pms = {
// new SqlParameter("@tname",tname),
// new SqlParameter("@mname",mname),
// };
List<string> teamBList = null;
using (SqlDataReader reader = SqlHelper.ExecuteReader(sql))
{
if (reader.HasRows)
{
teamBList = new List<string>();
while (reader.Read())
{
teamBList.Add(reader[0].ToString());
}
}
}
return teamBList;
}
namespace DAL
{
public static class SqlHelper
{
//private static readonly string constr =
// ConfigurationManager.ConnectionStrings["ClassroomPc"].ConnectionString;
private static readonly string constr =
ConfigurationManager.ConnectionStrings["MyPC"].ConnectionString;
/*自定义以下方法：
ExecuteNonQuery() 方法
ExecuteScalar() 方法
ExecuteReader() 方法
ExecuteDataTable() 方法*/
//执行增删改的
public static int ExecuteNonQuery(string sql, params SqlParameter[] pms)
{
using (SqlConnection con = new SqlConnection(constr))
{
//创建执行SQL命令对象
using (SqlCommand cmd = new SqlCommand(sql, con))
{
//判断是否传递了SQL参数
if (pms != null)
{
cmd.Parameters.AddRange(pms);
con.Open();
return cmd.ExecuteNonQuery();
}
}
}
//查询单个数据，返回类型是object;
public static object ExecuteScalar(string sql, params SqlParameter[] pms)
{
using (SqlConnection con = new SqlConnection(constr))
{
using (SqlCommand cmd = new SqlCommand(sql, con))
{
if (pms != null)
{
cmd.Parameters.AddRange(pms);
}
con.Open();
return cmd.ExecuteScalar();
}
}
public static SqlDataReader ExecuteReader(string sql, params SqlParameter[] pms)
{
SqlConnection con = new SqlConnection(constr);
using (SqlCommand cmd = new SqlCommand(sql, con))
{
if (pms != null)
{
cmd.Parameters.AddRange(pms);
}
try
{
con.Open();
return cmd.ExecuteReader(System.Data.CommandBehavior.CloseConnection);
}
catch (Exception)
{
con.Close();
con.Dispose();
throw;
}
}
}
public static DataTable ExecuteDataTable(string sql, params SqlParameter[] pms)
{
DataTable dt = new DataTable();
using (SqlDataAdapter adapter = new SqlDataAdapter(sql, constr))
{
if (pms != null)
{
adapter.SelectCommand.Parameters.AddRange(pms);
}
adapter.Fill(dt);
}
return dt;
}
}
}本周作业
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