📄 form3.cs
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using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
namespace 操作系统
{
public partial class Form3 : Form
{
public Form3()
{
InitializeComponent();
}
int total_wait = 0;
private void button1_Click(object sender, EventArgs e)
{
int number = Convert.ToInt32(comboBox1.Text.ToString());
if (number == 3)
{
PCB[] p1 = new PCB[number];
int i1 = Convert.ToInt32(textBox2.Text.ToString());
int j1 = Convert.ToInt32(textBox3.Text.ToString());
int k1 = Convert.ToInt32(textBox4.Text.ToString());
p1[0] = new PCB(i1, j1, k1);
int i2 = Convert.ToInt32(textBox6.Text.ToString());
int j2 = Convert.ToInt32(textBox7.Text.ToString());
int k2 = Convert.ToInt32(textBox8.Text.ToString());
p1[1] = new PCB(i2, j2, k2);
int i3 = Convert.ToInt32(textBox9.Text.ToString());
int j3 = Convert.ToInt32(textBox10.Text.ToString());
int k3 = Convert.ToInt32(textBox11.Text.ToString());
p1[2] = new PCB(i3, j3, k3);
//先按先进来的时间排序
for (int i = 0; i < number - 1; i++)
{
for (int j = i + 1; j < number; j++)
if (p1[i].Intime > p1[j].Intime)
{
PCB Ptemp = new PCB();
Ptemp = p1[i];
p1[i] = p1[j];
p1[j] = Ptemp;
}
}
//把剩下的再按短时间来排序
for (int i = 1; i < number; i++)
{
for (int j = i + 1; j < number; j++)
if (p1[i].RequestTime > p1[j].RequestTime)
{
PCB Ptemp = new PCB();
Ptemp = p1[i];
p1[i] = p1[j];
p1[j] = Ptemp;
}
}
//如果有相同的时间和第一个相同并运行时间小就 交换
for (int i = 0; i < number; i++)
{
for(int j = i+1 ; j<number; j++)
{
if((p1[0].Intime == p1[j].Intime) && p1[0].Intime >=p1[j].Intime)
{
PCB Ptemp = new PCB();//临时交换变量
Ptemp = p1[0];
p1[0] = p1[j];
p1[j] = Ptemp;
}
}
}
//for (int i = 1; i < number; i++)
//{
// for (int j = i + 1; j < number; j++)
// {
// if ((p1[0].Intime == p1[j].Intime) && p1[0].Intime >= p1[j].Intime)
// {
// PCB Ptemp = new PCB();//临时交换变量
// Ptemp = p1[i];
// p1[i] = p1[j];
// p1[j] = Ptemp;
// }
// }
//}
p1[0].waittime = 0;
for (int i = 0; i < number; i++)
{
int n = p1[i].Intime / 100;
for (int j = i + 1; j < number; j++)
{
int m = p1[j].Intime / 100;
int k = m - n;
if (k > 0)
p1[j].waittime = Math.Abs((p1[i].Intime + p1[i].RequestTime) - p1[j].Intime + 40 * k);
else
p1[j].waittime = Math.Abs((p1[i].Intime + p1[i].RequestTime) - p1[j].Intime);
total_wait += p1[j].waittime;
break;
}
}
for (int i = 0; i < number; i++)
{
textBox1.AppendText("序号" + '\t' + "进入系统的时间" + '\t' + "运行时间" + '\t' + "等待时间" + '\n' +
p1[i].PID + '\t' + p1[i].Intime + '\t' + '\t' + p1[i].RequestTime + '\t' + '\t' + p1[i].waittime + '\n');
}
textBox1.AppendText("总等待时间为：" + total_wait);
}
if (number == 4)
{
PCB[] p1 = new PCB[number];
int i1 = Convert.ToInt32(textBox2.Text.ToString());
int j1 = Convert.ToInt32(textBox3.Text.ToString());
int k1 = Convert.ToInt32(textBox4.Text.ToString());
p1[0] = new PCB(i1, j1, k1);
int i2 = Convert.ToInt32(textBox6.Text.ToString());
int j2 = Convert.ToInt32(textBox7.Text.ToString());
int k2 = Convert.ToInt32(textBox8.Text.ToString());
p1[1] = new PCB(i2, j2, k2);
int i3 = Convert.ToInt32(textBox9.Text.ToString());
int j3 = Convert.ToInt32(textBox10.Text.ToString());
int k3 = Convert.ToInt32(textBox11.Text.ToString());
p1[2] = new PCB(i3, j3, k3);
int i4 = Convert.ToInt32(textBox12.Text.ToString());
int j4 = Convert.ToInt32(textBox13.Text.ToString());
int k4 = Convert.ToInt32(textBox14.Text.ToString());
p1[3] = new PCB(i4, j4, k4);
//先按先进来的时间排序
for (int i = 0; i < number - 1; i++)
{
for (int j = i + 1; j < number; j++)
if (p1[i].Intime > p1[j].Intime)
{
PCB Ptemp = new PCB();
Ptemp = p1[i];
p1[i] = p1[j];
p1[j] = Ptemp;
}
}
//把剩下的再按短时间来排序
for (int i = 1; i < number; i++)
{
for (int j = i + 1; j < number; j++)
if (p1[i].RequestTime > p1[j].RequestTime)
{
PCB Ptemp = new PCB();
Ptemp = p1[i];
p1[i] = p1[j];
p1[j] = Ptemp;
}
}
//如果有相同的时间和第一个相同并运行时间小就 交换
for (int i = 0; i < number; i++)
{
for (int j = i + 1; j < number; j++)
{
if ((p1[0].Intime == p1[j].Intime) && p1[0].Intime >= p1[j].Intime)
{
PCB Ptemp = new PCB();//临时交换变量
Ptemp = p1[0];
p1[0] = p1[j];
p1[j] = Ptemp;
}
}
}
//for (int i = 1; i < number; i++)
//{
// for (int j = i + 1; j < number; j++)
// {
// if ((p1[i].Intime + p1[i].RequestTime) >= (p1[j].Intime + p1[j].RequestTime))
// {
// PCB Ptemp = new PCB();//临时交换变量
// Ptemp = p1[i];
// p1[i] = p1[j];
// p1[j] = Ptemp;
// }
// }
//}
p1[0].waittime = 0;
for (int i = 0; i < number; i++)
{
int n = p1[i].Intime / 100;
for (int j = i + 1; j < number; j++)
{
int m = p1[j].Intime / 100;
int k = m - n;
if (k > 0)
p1[j].waittime = Math.Abs((p1[i].Intime + p1[i].RequestTime) - p1[j].Intime + 40 * k);
else
p1[j].waittime = Math.Abs((p1[i].Intime + p1[i].RequestTime) - p1[j].Intime);
total_wait += p1[j].waittime;
break;
}
}
for (int i = 0; i < number; i++)
{
textBox1.AppendText("序号" + '\t' + "进入系统的时间" + '\t' + "运行时间" + '\t' + "等待时间" + '\n' +
p1[i].PID + '\t' + p1[i].Intime + '\t' + '\t' + p1[i].RequestTime + '\t' + '\t' + p1[i].waittime + '\n');
}
textBox1.AppendText("总等待时间为：" + total_wait);
}
if (number == 5)
{
PCB[] p1 = new PCB[number];
int i1 = Convert.ToInt32(textBox2.Text.ToString());
int j1 = Convert.ToInt32(textBox3.Text.ToString());
int k1 = Convert.ToInt32(textBox4.Text.ToString());
p1[0] = new PCB(i1, j1, k1);
int i2 = Convert.ToInt32(textBox6.Text.ToString());
int j2 = Convert.ToInt32(textBox7.Text.ToString());
int k2 = Convert.ToInt32(textBox8.Text.ToString());
p1[1] = new PCB(i2, j2, k2);
int i3 = Convert.ToInt32(textBox9.Text.ToString());
int j3 = Convert.ToInt32(textBox10.Text.ToString());
int k3 = Convert.ToInt32(textBox11.Text.ToString());
p1[2] = new PCB(i3, j3, k3);
int i4 = Convert.ToInt32(textBox12.Text.ToString());
int j4 = Convert.ToInt32(textBox13.Text.ToString());
int k4 = Convert.ToInt32(textBox14.Text.ToString());
p1[3] = new PCB(i4, j4, k4);
int i5 = Convert.ToInt32(textBox15.Text.ToString());
int j5 = Convert.ToInt32(textBox16.Text.ToString());
int k5 = Convert.ToInt32(textBox17.Text.ToString());
p1[4] = new PCB(i5, j5, k5);
//先按先进来的时间排序
for (int i = 0; i < number - 1; i++)
{
for (int j = i + 1; j < number; j++)
if ((p1[i].Intime > p1[j].Intime))
{
PCB Ptemp = new PCB();
Ptemp = p1[i];
p1[i] = p1[j];
p1[j] = Ptemp;
}
}
//把剩下的再按短时间来排序
for (int i = 1; i < number; i++)
{
for (int j = i + 1; j < number; j++)
if ((p1[i].RequestTime > p1[j].RequestTime) )
{
PCB Ptemp = new PCB();
Ptemp = p1[i];
p1[i] = p1[j];
p1[j] = Ptemp;
}
}
//如果有相同的时间和第一个相同并运行时间小就 交换
for (int i = 0; i < number; i++)
{
for (int j = i + 1; j < number; j++)
{
if ((p1[0].Intime == p1[j].Intime) && p1[0].Intime >= p1[j].Intime)
{
PCB Ptemp = new PCB();//临时交换变量
Ptemp = p1[0];
p1[0] = p1[j];
p1[j] = Ptemp;
}
}
}
for (int i = 1; i < number; i++)
{
for (int j = i + 1; j < number; j++)
{
if (Math.Abs(((p1[i].Intime + p1[i].RequestTime) - (p1[0].Intime + p1[0].RequestTime))) >= Math.Abs(((p1[j].Intime + p1[j].RequestTime) - (p1[0].Intime + p1[0].RequestTime))))
{
PCB Ptemp = new PCB();//临时交换变量
Ptemp = p1[i];
p1[i] = p1[j];
p1[j] = Ptemp;
}
}
}
p1[0].waittime = 0;
for (int i = 0; i < number; i++)
{
int n = p1[i].Intime / 100;
for (int j = i + 1; j < number; j++)
{
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