private void confirm_Click(object sender, EventArgs e)
{
if (Check())
{
uint sum = Convert.ToUInt32(NUMtxt.Text);
Book book = new Book(bknametxt.Text, isbntxt.Text, presstxt.Text, authortxt.Text, (BookType)bkTypebox.SelectedIndex);
BookMaster master = new BookMaster(sum, book);
if (FileDate.Exist <BookMaster>(master))
{
DialogResult dr = MessageBox.Show("此书已经存在，要直接添加吗（将会增加总数量）？", "重要提示", MessageBoxButtons.YesNo, MessageBoxIcon.Question);
if (dr == DialogResult.Yes)
{
master.Total_num += sum;
FileDate.AlterInfo <BookMaster>(master);
}
else
{
return;
}
}
else
{
FileDate.WriteInfo(master);
MessageBox.Show("书籍添加成功！", "通知");
}
}
}
private void confirmbtn_Click(object sender, EventArgs e)
{
if (found)
{
Book book = master.Info;
if (nameAlter.Checked)
{
book.Name = alteredInfotxt.Text;
}
else if (authAlter.Checked)
{
book.Author = alteredInfotxt.Text;
}
else if (isbnAlter.Checked)
{
book.ISBN = alteredInfotxt.Text;
}
else if (pressAlter.Checked)
{
book.Press = alteredInfotxt.Text;
}
else
{
tipslb.Text = "请选择要修改哪一项";
return;
}
master = new BookMaster(master.Total_num, book);
MessageBox.Show("修改成功", "通知", MessageBoxButtons.OK, MessageBoxIcon.Information);
FileDate.AlterInfo <BookMaster>(master);
}
}
private void searchbtn_Click(object sender, EventArgs e)
{
string isbn = isbntxt.Text;
//重复点击直接跳过
if (master.Info.ISBN == isbn || "" == isbn)
{
if (isbn != "")
{
display();
}
else
{
tipslb.Text = "ISBN不能为空";
}
return;
}
List <BookMaster> list = FileDate.SearchByISBN(isbn);
if (list.Count > 0)
{
master = list[0];
found = true;
display();
}
else
{
showInfotxt.Text = "未找到相关信息，确认ISBN输入是否正确";
}
}
private List <BookMaster> SearchByKeyword(Book book)
{
List <BookMaster> bklist = new List <BookMaster>();
BookMaster master = new BookMaster();
uint size = FileDate.CountOf <BookMaster>();
for (int i = 0; i < size; i++)
{
master = FileDate.ReadOne <BookMaster>(i);
if (master.SimiliarTo(book))
{
bklist.Add(master);
}
}
return(bklist);
}
private void delbtn_Click(object sender, EventArgs e)
{
if (found)
{
DialogResult dr = MessageBox.Show("确定要删除这类书吗？", "重要提醒", MessageBoxButtons.YesNo, MessageBoxIcon.Question);
if (dr == DialogResult.Yes)
{
FileDate.Delete <BookMaster>(master);
master = new BookMaster();
showInfotxt.Text = "";
}
}
else
{
tipslb.Text = "请先确认书籍信息再进行操作";
}
}
//通过ISBN来找到书籍（书籍ISBN是唯一的，可以当做一个标识）
public static List <BookMaster> SearchByISBN(string isbn)
{
BookMaster master = new BookMaster();
uint count = FileDate.CountOf <BookMaster>();
List <BookMaster> bklist = new List <BookMaster>(1);
for (int i = 0; i < count; i++)
{
master = FileDate.ReadOne <BookMaster>(i);
if (master.Info.ISBN.Contains(isbn))
{
bklist.Add(master);
break;
}
}
if (bklist.Count == 0)
{
MessageBox.Show("未找到该ISBN编号的书", "提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
return(bklist);
}
public Main()
{
InitializeComponent();
if (File.Exists("Lib_Mana_Sys.User.dat"))
{
File.Delete("Lib_Mana_Sys.User.dat");
}
if (File.Exists("Lib_Mana_Sys.BookMaster.dat"))
{
File.Delete("Lib_Mana_Sys.BookMaster.dat");
}
if (File.Exists("Lib_Mana_Sys.Record.dat"))
{
File.Delete("Lib_Mana_Sys.Record.dat");
}
User u1 = new User(true, Privilege.学生, "16020031111", "OUCer", "123456");
User u2 = new User(false, Privilege.职工, "16020031231", "玉良红", "987452");
User u3 = new User(true, Privilege.学生, "16020031561", "梁园", "654123");
User u4 = new User(true, Privilege.管理员, "123456", "Master", "123456");
Book b1 = new Book("Java从入门到放弃", "123456", "人民教育出版社", "Master", BookType.数理科学与化学);
BookMaster master = new BookMaster(10, b1);
FileDate.WriteInfo(master);
Book b2 = new Book("C Plus从入门到入土", "1156416454652", "仁爱教育出版社", "Oh Yes", BookType.哲学宗教);
for (uint i = 100; i < 200; i++)
{
string ment = i.ToString();
Book b = new Book("英雄联盟" + ment, ment, "大魔王出版社", "Faker" + ment, BookType.综合性图书);
BookMaster m = new BookMaster(2, b);
FileDate.WriteInfo(m);
}
master = new BookMaster(6, b2);
FileDate.WriteInfo(master);
FileDate.WriteInfo(u2);
FileDate.WriteInfo(u3);
FileDate.WriteInfo(u4);
FileDate.WriteInfo(u1);
login = new Login(this);
}
public BookAlter()
{
InitializeComponent();
master = new BookMaster();
found = false;
}