2016华南理工计算机考研复试数据库
跟大佬学的：2015华工复试数据库题目详细步骤
以下是2016年的题目：
一、数据库设计
手动打开SQL Server代理（从来记不住，总是等到Sqlserver连不上才打开）
（1）打开数据库后，新建数据库，新建查询，建表代码：
use Student2016;
-- 因为三张表之间的以来关系，建表顺序如下
create table Department
( deptNo varchar(2) primary key,
deptName varchar(30) not null
)
create table CLASS
( classNo varchar(5) primary key,
specName varchar(30) not null,
deptNo varchar(2) not null,
[year] int check([year]>0) not null,
num int check(num<=30 and num>=0)not null,
foreign key (deptNo) references Department(deptNo)
)
create table Student
( SNo varchar(5) primary key,
SName varchar(20) not null,
[Date] date,
classNo varchar(5),
foreign key (classNo) references CLASS(classNo)
)
因为题目非要给的列名有关键词，所以加上[]才行
（2）插入数据
insert into Department values('1','数学');
insert into Department values('2','计算机');
insert into Department values('3','化学');
insert into CLASS values('101','软件','2',2012,25);
insert into CLASS values('102','微电子','2',2013,28);
insert into CLASS values('111','无机化学','3',2012,20);
insert into CLASS values('112','高分子化学','3',2013,19);
insert into CLASS values('121','统计数学','1',2013,11);
insert into Student values('8101','张三','1996-7-9','101');
insert into Student values('8102','钱四','1996-2-6','121');
insert into Student values('8105','李飞','1994-1-21','102');
insert into Student values('8201','张飞','1996-2-25','111');
insert into Student values('8302','周瑜','1996-6-15','112');
insert into Student values('8203','王亮','1997-5-27','111');
insert into Student values('8305','董庆','1996-4-2','102');
insert into Student values('8409','赵龙','1995-6-1','101');（3）全选，点击 
执行完成后，右击建立的数据库->任务->备份，添加题目要求的路径，备份的文件类型是.bak
完成！不要关掉SQLServer
二、C#管理系统设计
（1）新建项目，填写题目中的路径。一共建了两个窗体，Form1是主窗体，Form2用来在数据维护功能传入学生信息
（2）Form1如下
右下角有Properties设置
Form1 设置
formBorder: fixedSingle
StartPosition: center
MaximizeBox = false
MinimizeBox = false
四个tabPage的 Text 依次设置为查询，统计1，统计2，数据维护
listView的设置是
View = Details
FullRowSelect=True
MultiSelect = false
gridLine =true
（3）Form2如下
（4）用来连接数据库的类DB.cs
server='值1' 值1是打开SqlServer时用的用户名
database='值2' 值2是连接的数据库的名字
using System;
using System.Collections.Generic;
using System.Text;
using System.Data; //添加
using System.Data.SqlClient; //添加
namespace Anita
{
class DB
{
private SqlConnection sqlConnection;
public DB()
{//连接
sqlConnection = new SqlConnection(@"server=PC201805211617\SQL2012;database=Student2016;Trusted_Connection=SSPI");
sqlConnection.Open();
}
public DataTable getBySql(string sql)
{//查询
SqlDataAdapter sqlDataAdapter = new SqlDataAdapter(new SqlCommand(sql,sqlConnection));
DataTable dataTable = new DataTable();
sqlDataAdapter.Fill(dataTable);
return dataTable;
}
public void setBySql(string sql)
{//修改
new SqlCommand(sql,sqlConnection).ExecuteNonQuery();
}
public void Dispose()
{//折构
sqlConnection.Close();
}
}
}
（5）用来在form1和form2之间传递数据的类Intent.cs
using System;
using System.Collections.Generic;
using System.Text;
namespace Anita
{
class Intent
{
public static Dictionary dict = new Dictionary();
}
}
（6）双击控件跳转到编辑页面，为控件添加事件。题目中要求的约束基本都在代码中实现
Form1代码
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Text.RegularExpressions;//这一行自己加上，正则表达式用到
namespace Anita
{
public partial class Form1 : Form
{
DB db;
public Form1()
{
InitializeComponent();
db = new DB();
}
private void Form1_Load(object sender, EventArgs e)
{
//菜单2-统计1 每个系的学生人数
//生成表头
listView2.Columns.Add("系号", listView2.Width / 3 - 1, HorizontalAlignment.Left);
listView2.Columns.Add("系名", listView2.Width / 3 - 1, HorizontalAlignment.Left);
listView2.Columns.Add("人数", listView2.Width / 3 - 1, HorizontalAlignment.Left);
DataTable dataTable = db.getBySql(@"select Department.deptNo,Department.deptName,sum(CLASS.num)as '总人数' " +
"from Department,CLASS " +
"where Department.deptNo = CLASS.deptNo " +
"group by Department.deptNo,Department.deptName;");
listView2.BeginUpdate(); //开始加载数据
//表的内容
for (int i = 0; i < dataTable.Rows.Count; i++)
{
ListViewItem listViewItem = new ListViewItem();
for (int j = 0; j < dataTable.Columns.Count; j++)
{
if (j <= 0)
{
listViewItem.Text = dataTable.Rows[i][j] + "";
}
else
{
listViewItem.SubItems.Add(dataTable.Rows[i][j] + "");
}
}
listView2.Items.Add(listViewItem);
}
listView2.EndUpdate();//加载完成
//菜单3-统计2 按入学年份统计人数
//表头
listView3.Columns.Add("入学年份", listView3.Width / 2 - 1, HorizontalAlignment.Left);
listView3.Columns.Add("总人数", listView3.Width / 2 - 1, HorizontalAlignment.Left);
dataTable = db.getBySql(@"select CLASS.[year],sum(CLASS.num) as '总人数' " +
"from CLASS group by CLASS.[year];");
listView3.BeginUpdate(); //开始加载
//表的内容
for (int i = 0; i < dataTable.Rows.Count; i++)
{
ListViewItem listViewItem = new ListViewItem();
for (int j = 0; j < dataTable.Columns.Count; j++)
{
if (j <= 0)
{
listViewItem.Text = dataTable.Rows[i][j] + "";
}
else
{
listViewItem.SubItems.Add(dataTable.Rows[i][j] + "");
}
}
listView3.Items.Add(listViewItem);
}
listView3.EndUpdate(); //加载完成
//菜单4-数据维护
//数据加载
// 生成表头
listView4.Columns.Add("学号", listView4.Width / 4 - 1, HorizontalAlignment.Left);
listView4.Columns.Add("姓名", listView4.Width / 4 - 1, HorizontalAlignment.Left);
listView4.Columns.Add("出生年月", listView4.Width / 4 - 1, HorizontalAlignment.Left);
listView4.Columns.Add("班号", listView4.Width / 4 - 1, HorizontalAlignment.Left);
dataTable = db.getBySql(@"select * from Student;");
listView4.BeginUpdate();//开始加载信息
// 表的内容
for (int i = 0; i < dataTable.Rows.Count; i++)
{
ListViewItem listViewItem = new ListViewItem();
for (int j = 0; j < dataTable.Columns.Count; j++)
{
if (j <= 0)
{
listViewItem.Text = dataTable.Rows[i][j] + "";
}
else
{
listViewItem.SubItems.Add(dataTable.Rows[i][j] + "");
}
}
listView4.Items.Add(listViewItem);
}
listView4.EndUpdate(); //加载完毕
}//Form1
private void button1_Click(object sender, EventArgs e)
{//button1查询
//若系的输入不为空，检查是不是存在这个系
bool dept = false; //不存在这个系
if(textBox1.Text!="")
{//系有获取内容
DataTable table = db.getBySql(@"select deptName from Department");
for(int i=0;i（7）Form2代码
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
namespace Anita
{
public partial class Form2 : Form
{
public Form2()
{
InitializeComponent();
}
private void Form2_Load(object sender, EventArgs e)
{
if ((int)Intent.dict["form1_flag"] == 0)
{//flag=0是添加
this.Text = Intent.dict["form1_text"]+"";
textBox1.Focus();
}
else
{//flag=1是修改
textBox1.Text = Intent.dict["form1_textbox1_text"] + "";
textBox2.Text = Intent.dict["form1_textbox2_text"] + "";
textBox3.Text = Intent.dict["form1_textbox3_text"] + "";
textBox4.Text = Intent.dict["form1_textbox4_text"] + "";
this.Text = Intent.dict["form1_text"] + "";
textBox1.Focus();
//textBox1.SelectAll();
}
}
private void button1_Click(object sender, EventArgs e)
{//取消
this.Close();
}
private void button2_Click(object sender, EventArgs e)
{//确认
if (textBox1.Text == "" || textBox2.Text == "" || textBox3.Text=="" || textBox3.Text == "")
{
MessageBox.Show("信息填写不完整", this.Text);
}
else
{
Intent.dict["form2_textbox1_text"] = textBox1.Text;
Intent.dict["form2_textbox2_text"] = textBox2.Text;
Intent.dict["form2_textbox3_text"] = textBox3.Text;
Intent.dict["form2_textbox4_text"] = textBox4.Text;
this.DialogResult = DialogResult.OK; //返回确认值
this.Close();
}
}
}
}
（8）结果
a） from1代码中对查询写的很麻烦，也不晓对不对，反正最后的exe能用就是了
b) sqlServer中的出生年月是date数据类型，到c#中只有DateTime类型，不知道怎么换，无伤大雅，，反正考试都不一定能做到这儿（肯定做不到这）
