三层架构

Posted 2020-09-05

1、计划

	计划时间	实际完成时间
估计任务需要时间	7天
需求分析	10min
生成设计文档	30min
设计复审	1h
代码规范	20min
具体设计	3h
具体编码	5day
代码复审	1h
测试	1h
测试报告	30min
计算工作量	30min
事后总结并提出过程改进计划

2、

开发
   需求分析
      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。
    生成设计文档

 设计复审

代码规范
  SQL server2008、Visual Studio2010

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Data;
using System.Data.SqlClient;
using System.Configuration;

private static readonly string constr = ConfigurationManager.ConnectionStrings["itcast"].ConnectionString;
public static int ExecuteNonQuery(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.ExecuteNonQuery();
}
}

}
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();//释放所有资源
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;
}

}

 

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Data.SqlClient;
using Model;

namespace sceneJiFenDAL
{

public class BeginDal
{

public int Insert(Fen fen)
{
string sql = "insert into Fen values(@TeamA,@ADeFen,@TeamAFenName,@TeamB,@BDeFen,@TeamBFenName)";
SqlParameter[] paras = new SqlParameter[]{
new SqlParameter("@TeamA",fen.TeamA),
new SqlParameter("@TeamAFenName",fen.TeamAFenName),
new SqlParameter("@TeamA",fen.TeamB),
new SqlParameter("@TeamAFenName",fen.TeamBFenName)
};
int count = SqlHelper.ExecuteNonQuery(sql,paras);
return count;
}
public List<Fen> SelectAllFen()
{
string sql = "select * from Fen";
List<Fen> fenlist = new List<Fen>();
using (SqlDataReader reader = SqlHelper.ExecuteReader(sql))
{
if(reader.HasRows)
{
while (reader.Read())
{
Fen fen = new Fen();
fen.TeamA = reader.GetString(1);
fen.ADeFen = reader.GetString(2);
fen.TeamAFenName = reader.GetString(3);
fen.TeamB = reader.GetString(4);
fen.BDeFen = reader.GetString(5);
fen.TeamBFenName = reader.GetString(6);
fenlist.Add(fen);
}

}
}
return fenlist;
}

}
}

 

 

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using Model;
using sceneJiFenDAL;

namespace sceneJiFenBLL
{
public class FenBLL
{
BeginDal dal = new BeginDal();
public bool Insert(Fen fen)
{

return dal.Insert(fen) > 0;
}
public List<Fen> GetAllFen()
{
return dal.SelectAllFen().Count > 0 ? dal.SelectAllFen() : null;
}
}
}

 

 

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using Model;
using sceneJiFenBLL;

namespace sceneJiFen
{
public partial class One : Form
{
public One()
{
InitializeComponent();
}
int Adefen=0;
int Bdefen = 0;
private FenBLL bll = new FenBLL();
private void button1_Click(object sender, EventArgs e)
{
Adefen++;
Fen fen=new Fen();
fen.TeamA=label1.Text;
fen.TeamB = label2.Text;
fen.ADeFen = Adefen.ToString();
if (radioBtn2.Checked == true)
{ 
fen.TeamAFenName = radioBtn2.Text;
}

if (radioButton2.Checked == true)
{
fen.TeamAFenName = radioButton2.Text;
}
if (radioButton3.Checked == true)
{
fen.TeamAFenName = radioButton3.Text;
}
if (radioButton14.Checked == true)
{
fen.TeamAFenName = radioButton14.Text;
}
if (radioButton6.Checked == true)
{
fen.TeamAFenName = radioButton6.Text;
}
if (radioButton5.Checked == true)
{
fen.TeamAFenName = radioButton5.Text;
}
if (radioButton4.Checked == true)
{
fen.TeamAFenName = radioButton4.Text;
}
if (radioButton13.Checked == true)
{
fen.TeamAFenName = radioButton13.Text;
}

}

private void button2_Click(object sender, EventArgs e)
{
Bdefen++;
Fen fen = new Fen();
fen.TeamA = label1.Text;
fen.TeamB = label2.Text;
fen.BDeFen = Bdefen.ToString();
if (radioButton12.Checked == true)
{
fen.TeamAFenName = radioButton12.Text;
}

if (radioButton11.Checked == true)
{
fen.TeamAFenName = radioButton11.Text;
}
if (radioButton10.Checked == true)
{
fen.TeamAFenName = radioButton10.Text;
}
if (radioButton9.Checked == true)
{
fen.TeamAFenName = radioButton9.Text;
}
if (radioButton8.Checked == true)
{
fen.TeamAFenName = radioButton8.Text;
}
if (radioButton7.Checked == true)
{
fen.TeamAFenName = radioButton7.Text;
}

}

private void One_Load(object sender, EventArgs e)
{

}
}
}

最终测试结果

计算工作量

 

	计划时间	实际完成时间
估计任务需要时间	7天	8day
需求分析	10min	10,min
生成设计文档	30min	45min
设计复审	1h	2h
代码规范	20min	10min
具体设计	3h	5h
具体编码	5day	6day
代码复审	1h	30min
测试	1h	1.5h
测试报告	30min	10min
计算工作量	30min	40min
事后总结并提出过程改进计划

 总结

好难啊，知识点一会不用就会忘，以后要学一步做一步