C#面向对象程序设计操作题.doc

book类using System;using System.Collections.Generic;using System.Text;using System.Windows.Forms;namespace BookSales abstract public class book : IPrintable public book() public book(string bookno, string bookname, string bublisher, string pageCount) this.bookno = bookno; this.bookname = bookname; this.bublisher = bublisher; this.pageCount = pageCount; public string bookno; private string Bookno get return bookno; set bookno = value; public string bookname; private string Bookname get return bookname; set bookname = value; public string bublisher; private string Bublisher get return bublisher; set bublisher = value; public string pageCount; private string PageCount get return pageCount; set pageCount = value; public virtual void CalcPrice(string a) float price; price = float.Parse(a) * 20; MessageBox.Show(price.ToString(); public void PrintReport(string k) string a = -图书信息- + rnrn; string b = 图书编号: + this.bookno + rnrn; string d = 图书名称: + this.bookname + rnrn; string e = 出版社: + this.bublisher + rnrn; string f = 页数: + this.pageCount + rnrn; string c = 购买人: + k + rnrn; MessageBox.Show(a + b + c + d + e+f); Soundbook类using System;using System.Collections.Generic;using System.Text;using System.Windows.Forms;namespace BookSales class soundbook : book, IPrintable public soundbook() public soundbook(string bookno, string bookname, string bublisher, string pageCount, string soundtype) this.bookno = bookno; this.bookname = bookname; this.bublisher = bublisher; this.pageCount = pageCount; this.soundtype = soundtype; public string soundtype; private string Soundtype get return soundtype; set soundtype = value; public void PrintReport(string k) string a = -图书信息- + rnrn; string b = 图书编号: + this.bookno + rnrn; string d = 图书名称: + this.bookname + rnrn; string e = 出版社: + this.bublisher + rnrn; string f = 页数: + this.pageCount + rnrn; string c = 购买人: + k + rnrn; MessageBox.Show(a + b + c + d + e+f); Picturebook类using System;using System.Collections.Generic;using System.Text;using System.Windows.Forms;namespace BookSales class picturebook : book, IPrintable public picturebook() public picturebook(string bookno, string bookname, string bublisher, string pageCount, string picturetype) this.bookno = bookno; this.bookname = bookname; this.bublisher = bublisher; this.pageCount = pageCount; this.picturetype = picturetype; public string picturetype; private string Picturetype get return picturetype; set picturetype = value; public void PrintReport(string k) string a = -图书信息- + rnrn; string b = 图书编号： + this.bookno + rnrn; string d = 图书名称： + this.bookname + rnrn; string e = 出版社: + this.bublisher + rnrn; string f = 页数: + this.pageCount + rnrn; string c = 购买人: + k + rnrn; MessageBox.Show(a + b + c + d + e+f); BookSales类using System;using System.Collections.Generic;using System.ComponentModel;using System.Data;using System.Drawing;using System.Text;using System.Windows.Forms;namespace BookSales public partial class BookSales : Form public BookSales() InitializeComponent(); Dictionary Book = new Dictionary(); private void BookSales_Load(object sender, EventArgs e) picturebook aa = new picturebook(001,aa,有点,15,连环画); picturebook bb = new picturebook(002, bb, 有点, 32, 连环); soundbook cc = new soundbook(003, cc, jiaoyu, 54, xiaoren); soundbook dd = new soundbook(004, dd, 教育, 34, xiaorenwu); Book.Add(aa.bookno,aa); Book.Add(bb.bookno, bb); Book.Add(cc.bookno, cc); Book.Add(dd.bookno, dd); Disp(); void Disp() listView1.Columns.Add(图书编号,100); listView1.Columns.Add(图书名称, 100); listView1.Columns.Add(出版社, 100); listView1.Columns.Add(页数,100); foreach(book mybook in Book.Values) ListViewItem item = new ListViewItem(mybook .bookno ); item.SubItems.Add(mybook .bookname); item.SubItems.Add(mybook.bublisher); item.SubItems.Add(mybook.pageCount); listView1.Items.Add(item); listView1.View = View.Details; private void button1_Click(object sender, EventArgs e) picturebook mm = new picturebook(textBox1.Text, textBox2.Text, textBox3.Text, textBox4.Text, textBox6.Text); Book.Add(mm.bookno, mm); listView1.Clear(); Disp(); private void button2_Click(object sender, EventArgs e) listView2.Columns.Add(图书编号, 100); listView2.Columns.Add(图书名称, 100); listView2.Columns.Add(出版社, 100); listView2.Columns.Add(页数, 100); foreach (book mybook in Book.Values) ListViewItem item = new ListViewItem(mybook.bookno); item.SubItems.Add(mybook.bookname); item.SubItems.Add(mybook.bublisher); item.SubItems.Add(mybook.pageCount); listView2.Items.Add(item); listView2.View = View.Details; private void button3_Click(object sender, EventArgs e) string a = listView2.SelectedItems0.SubItems3.Text; string b = listView2.SelectedItems0.SubItems0.Text; Bookb.Trim().CalcPrice(a); private void button4_Click(object sender, EventArgs e) string name