private void toolStripButton2_Click(object sender, EventArgs e)
{
if (dataGridView1.DataSource != null)
{
DialogResult result = MessageBox.Show("确认归还？", "温馨提示", MessageBoxButtons.OKCancel);
if (result == DialogResult.OK)
{
//执行删除语句
MessageBox.Show("还书成功！");
}
select_ID = (string)dataGridView1.CurrentCell.Value;
//从在借单中删除
string sql = "delete from Borrow_List where 书籍序列号='" + select_ID + "'";
DataBaseApplication.ExecuteNonQuery(sql);
//获取书名
bookname = (string)dataGridView1.CurrentRow.Cells[3].Value.ToString();
PublicPassBy.IMDB_Bookname = bookname;
PublicPassBy.IMDB_Bookid = select_ID;
//添加进还书单
string sql1 = "insert into Return_List values('" + select_ID + "','" + dataGridView1.CurrentRow.Cells[1].Value.ToString() + "','" + DateTime.Now.ToLongDateString().ToString() + "','" + dataGridView1.CurrentRow.Cells[3].Value.ToString() + "','" + PublicPassBy._name + "','" + PublicPassBy.email + "')";
DataBaseApplication.ExecuteNonQuery(sql1);
//加库存
string sql2 = "update Books_Info set 库存数=库存数+1 where 书籍序列号='" + select_ID + "'";
DataBaseApplication.ExecuteNonQuery(sql2);
//询问是否写书评
IMDB write = new IMDB();
write.ShowDialog();
this.Close();
}
}
private void OK_Click(object sender, EventArgs e)
{
string sql = "insert into Book_Recommend(书名,排行) values('" + textBox_top1.Text + "','1'),('" + textBox_top2.Text + "','2'),('" + textBox_top3.Text + "','3'),('" + textBox_top4.Text + "','4'),('" + textBox_top5.Text + "','5')";
DataBaseApplication.ExecuteNonQuery(sql);
this.Close();
}
private void button1_Click(object sender, EventArgs e)
{
string sql = "insert into Book_Recommend_Reader (书名,作者,出版社)values('" + textBox_BookName + "','" + textBox_Author + "','" + textBox_Press + "')";
DataBaseApplication.ExecuteNonQuery(sql);
MessageBox.Show("感谢您的推荐！");
this.Close();
}
private void btn_all_Click(object sender, EventArgs e)
{
string sql = "select * from Borrow_List";
DataBaseApplication.ExecuteNonQuery(sql);
DataTable dt = new DataTable();
dt = DataBaseApplication.GetDataTableValue(sql);
dataGridView1.DataSource = dt;
}
private void button1_Click(object sender, EventArgs e)
{
string sql = "select * from Login_ID";
DataBaseApplication.ExecuteNonQuery(sql);
DataTable dt = new DataTable();
dt = DataBaseApplication.GetDataTableValue(sql);//执行sql语句
dataGridView1.DataSource = dt;
}
private void button1_Click(object sender, EventArgs e)
{
DialogResult result = MessageBox.Show("确认删除？", "温馨提示", MessageBoxButtons.OKCancel);
if (result == DialogResult.OK)
{
//执行删除语句
MessageBox.Show("删除成功！");
}
string sql = "TRUNCATE TABLE Book_Recommend ";
//string sql = "delete * from Book_Recommend";
DataBaseApplication.ExecuteNonQuery(sql);
}
private void button_OK_Click(object sender, EventArgs e)
{
string sql = "insert into Borrow_List values('" + textBox_No.Text.ToString() + "','" + textBox_ID.Text.ToString() + "','" + DateTime.Now.ToLongDateString().ToString() + "','" + textBox_Name.Text.ToString() + "','" + PublicPassBy._name + "', '" + DateTime.Now.AddDays(30).ToString() + "','" + PublicPassBy.email + "')";
DataBaseApplication.ExecuteNonQuery(sql);
string sql1 = "update Books_Info set 库存数=库存数-1 where 书籍序列号='" + textBox_No.Text.ToString() + "' ";
DataBaseApplication.ExecuteNonQuery(sql1);
MessageBox.Show("借阅成功！");
//积分更新
string sqln = "update Login_ID set 积分=积分+1 where 账号='" + textBox_ID.Text.ToString() + "' ";
DataBaseApplication.ExecuteNonQuery(sqln);
this.Close();
}
private void submit_Click(object sender, EventArgs e)
{
if (richTextBox1 != null && textBox_Rate != null)
{
string sql = "insert into IMDB values('" + richTextBox1.Text.ToString() + "','" + PublicPassBy.IMDB_Bookname + "','" + PublicPassBy.IMDB_Bookid + "','" + PublicPassBy.id + "','" + textBox_Rate.Text + "')";
DataBaseApplication.ExecuteNonQuery(sql);
DialogResult result = MessageBox.Show("确认提交？", "温馨提示", MessageBoxButtons.OKCancel);
if (result == DialogResult.OK)
{
//执行删除语句
MessageBox.Show("提交成功！");
}
}
else
{
MessageBox.Show("请先填写完整！");
}
this.Close();
}
private void MainForm_Load(object sender, EventArgs e)
{
//时间显示
timer1.Interval = 1000;
timer1.Start();
//底部状态栏数据
LoginForm lg = new LoginForm();
level1 = PublicPassBy.level;
if (level1 == "用户")
{
tSSL2.Text = "权限级别：普通用户";
}
else
{
tSSL2.Text = "权限级别：管理员";
}
tSSL5.Text = " " + PublicPassBy._name;
//权限设置
if (level1 == "用户")
{
Add_User.Visible = false;
新用户注册ToolStripMenuItem.Visible = false;
Add_Books.Visible = false;
热门推荐ToolStripMenuItem.Visible = false;
新书入库ToolStripMenuItem.Visible = false;
}
//热门推荐
string sql = "select 书名,排行 from Book_Recommend";
DataTable dt = new DataTable();
DataBaseApplication.ExecuteNonQuery(sql);
dt = DataBaseApplication.GetDataTableValue(sql);
label1_1.Text = dt.Rows[0][0].ToString();
label2_2.Text = dt.Rows[1][0].ToString();
label3_3.Text = dt.Rows[2][0].ToString();
label4_4.Text = dt.Rows[3][0].ToString();
label5_5.Text = dt.Rows[4][0].ToString();
}
private void BorrowBook1_Load(object sender, EventArgs e)
{
string sql = "select * from Books_Info where 书名='" + Select_ID + "'and 库存数!=0";
DataBaseApplication.ExecuteNonQuery(sql);
DataTable dt = new DataTable();
dt = DataBaseApplication.GetDataTableValue(sql);//执行sql语句
dataGridView1.DataSource = dt;
//书评展示
string sql1 = "select 书评,评分 from IMDB where 书名='" + Select_ID + "'";
DataBaseApplication.ExecuteNonQuery(sql1);
DataTable dt1 = new DataTable();
dt1 = DataBaseApplication.GetDataTableValue(sql1);
dataGridView2.DataSource = dt1;
//平均分
string sql2 = "select avg(评分) from IMDB where 书名='" + Select_ID + "'";
DataBaseApplication.ExecuteNonQuery(sql2);
DataTable dt2 = new DataTable();
dt2 = DataBaseApplication.GetDataTableValue(sql2);
avgRate.Text = dt2.Rows[0][0].ToString();
//--------------------------------控件大小随窗体大小变化
/* this.Resize += new EventHandler(BorrowBook1_Resize);
*
* X = this.Width;
* Y = this.Height;
*
* setTag(this);
* BorrowBook1_Resize(new object(), new EventArgs());*/
//---------------------------------控件大小随窗体大小变化
}
private void button_OK_Click(object sender, EventArgs e)
{
//防错
q = textBox_Password.Text.Length;//q和p在上面定义
p = textBox_phonenum.Text.Length;
k = textBox_ID.Text.Length;
if (k != 11)
{
MessageBox.Show("请输入账号（11位）！");
m = 2;
}
if (k == 11)
{
if (q < 9 | q > 11)
{
MessageBox.Show("请输入9-11位的密码！");
m = 2;
}
if (p != 11)
{
MessageBox.Show("温馨提示：请检查您输入的号码是否正确（11位）！");
m = 2;
}
}
if (p == 11)
{
if (textBox_Name.Text == "")
{
MessageBox.Show("您的姓名未填写，请输入姓名！");
}
m = 2;
if (textBox_phonenum.Text == "")
{
MessageBox.Show("您的号码未填写，请输入11位号码！");
}
m = 2;
if (q > 8 && q < 12)
{
if (textBox_Password.Text == "")
{
MessageBox.Show("您的密码未填写，请输入密码！");
m = 2;
}
else
{
MessageBox.Show(textBox_Password.Text, "请您确认密码：");
m = 0;
}
}
if (textBox_email.Text == "")
{
MessageBox.Show("您的邮箱未填写，请输入邮箱号！");
m = 2;
}
else
{
MessageBox.Show(textBox_email.Text, "请您确认邮箱地址：");
m = m + 1;
}
}
if (m == 1)
{
//防错
if (type == "1")
{
if (PublicPassBy.level != "管理员")
{
textBox_Title.Text = "用户";
textBox_Title.ReadOnly = true;
}
string sql = "insert into Login_ID(账号,密码,身份,电话号码,邮箱,姓名,积分)values('" + textBox_ID.Text.ToString() + "','" + textBox_Password.Text.ToString() + "','" + textBox_Title.Text.ToString() + "','" + textBox_phonenum.Text.ToString() + "','" + textBox_email.Text.ToString() + "','" + textBox_Name.Text.ToString() + "',0)";
DataBaseApplication.ExecuteNonQuery(sql);
MessageBox.Show("添加成功");
this.Close();
}
if (type == "2")
{
string sql = "update Login_ID set 密码='" + textBox_Password.Text.ToString() + "',身份='" + textBox_Title.Text.ToString() + "',电话号码='" + textBox_phonenum.Text.ToString() + "',邮箱='" + textBox_email.Text.ToString() + "',姓名='" + textBox_Name.Text.ToString() + "' where 账号='" + textBox_ID.Text.ToString() + "'";
DataBaseApplication.ExecuteNonQuery(sql);
MessageBox.Show("修改成功");
this.Close();
}
}
}
private void button1_Click(object sender, EventArgs e)
{
//防错
#region
//书籍添加防错
if (textBox_No.Text == "")
{
MessageBox.Show("请添加书籍序列号！");
}
if (textBox_BookName.Text == "")
{
MessageBox.Show("请输入书名！");
}
if (textBox_Author.Text == "")
{
MessageBox.Show("请输入作者！");
}
if (textBox_Press.Text == "")
{
MessageBox.Show("请输入出版社！");
}
if (textBox_Price.Text == "")
{
MessageBox.Show("请输入价格！");
}
if (textBox_Storage.Text == "")
{
MessageBox.Show("请输入库存数！");
}
if (textBox_No.Text != "")
{
if (textBox_BookName.Text != "")
{
if (textBox_Author.Text != "")
{
if (textBox_Press.Text != "")
{
if (textBox_Price.Text != "")
{
if (textBox_Storage.Text != "")
{
t = 1;
}
}
}
}
}
}//书籍添加防错
#endregion
if (t == 1)
{
if (type == "1")
{
if (textBox_No.Text == "")
{
MessageBox.Show("请输入记录ID");
return;
}
string sql = "insert into Books_Info(书籍序列号,书名,作者,出版社,价格,库存数)values('" + textBox_No.Text.ToString() + "','" + textBox_BookName.Text.ToString() + "','" + textBox_Author.Text.ToString() + "','" + textBox_Press.Text.ToString() + "','" + textBox_Price.Text.ToString() + "','" + textBox_Storage.Text.ToString() + "')";
DataBaseApplication.ExecuteNonQuery(sql);
MessageBox.Show("添加成功");
this.Close();
}
}
}