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RSS订阅C#与数据库 图书管理系统
包含有数据库文件
using System.ComponentModel;
using System.Data;
using System.Data.SqlClient;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
namespace WindowsFormsApplication10
{
public partial class Form1 : Form
{
int id = 0;
public Form1()
{
InitializeComponent();
radioButton1.Checked = true;
}
private void button1_Click(object sender, EventArgs e)
{
if(radioButton1.Checked==true)
if (IsUserIdentify() == true)
{
id = 1;
Form2 form1 = new Form2(id);
form1.Show();
this.Visible = false;
}
else
{
MessageBox.Show("用户名或密码错误");
}
if (radioButton2.Checked == true)
{
Form2 form = new Form2();
form.Show();
this.Hide();
}
}
private void button2_Click(object sender, EventArgs e)
{
this.Close();
}
private void textBox1_TextChanged(object sender, EventArgs e)
{
}
private void domainUpDown1_SelectedItemChanged(object sender, EventArgs e)
{
}
private void domainUpDown2_SelectedItemChanged(object sender, EventArgs e)
{
}
private void domainUpDown1_SelectedItemChanged_1(object sender, EventArgs e)
{
}
private void listBox1_SelectedIndexChanged(object sender, EventArgs e)
{
}
private void domainUpDown1_SelectedItemChanged_2(object sender, EventArgs e)
{
}
private void menuStrip1_ItemClicked(object sender, ToolStripItemClickedEventArgs e)
{
}
private void Form1_Load(object sender, EventArgs e)
{
}
private void radioButton1_CheckedChanged(object sender, EventArgs e)
{
}
private void radioButton2_CheckedChanged(object sender, EventArgs e)
{
textBox1.Text = "顺港";
textBox2.Text = "123123";
}
private void textBox2_TextChanged(object sender, EventArgs e)
{
}
private bool IsUserIdentify()
{
SqlConnection Conn = new SqlConnection("Data Source=.;Initial Catalog=book;Integrated Security=True");
Conn.Open();
string sql = "SELECT Name,PassWord FROM Admin WHERE Name='" + this.textBox1.Text + "'and PassWord='" + this.textBox2.Text + "'";
SqlCommand Cmd = new SqlCommand(sql, Conn);
SqlDataReader reader = Cmd.ExecuteReader();
if (reader.Read())
{
return true;
}
else
{
return false;
}
}
}
}
2010-03-24
用时间片轮转法调度虚拟进程
编写一个程序，可以创建若干个虚拟进程，并对若干个虚拟进程进行调度，调度策略为时间片轮转法，主要任务包括：
进程的个数，进程的内容（即进程的功能序列）来源于一个进程序列描述文件，另外调度运行结果输出到一个运行日志文件；
设计PCB适用于时间片轮转法；
建立进程队列；
实现时间片轮转调度算法，尽量可视化的展示调度的动态过程。
○5 总结程序设计的开发过程：需求分析、系统设计、系统实现及文档的收集和
2010-02-03
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