payfine.cs

图书馆信息管理系统 Library Information Management System

using System;
using System.Data;
using System.Data.SqlClient;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;

namespace Library
{
	/// <summary>
	/// PayFine 的摘要说明。
	/// </summary>
	public class PayFine : System.Windows.Forms.Form
	{
		private System.Windows.Forms.Button button1;
		private System.Windows.Forms.Button button2;
		private System.Windows.Forms.Label label1;
		private System.Windows.Forms.Label label2;
		private System.Windows.Forms.Label label3;
		private System.Windows.Forms.Label label5;
		private System.Windows.Forms.TextBox textBox1;
		private System.Windows.Forms.TextBox textBox2;
		private System.Windows.Forms.TextBox textBox3;
		private System.Windows.Forms.TextBox textBox4;
		private System.Windows.Forms.Label label6;
		/// <summary>
		/// 必需的设计器变量。
		/// </summary>
		private System.ComponentModel.Container components = null;

		private SqlCommand cmd = null;
		private SqlDataReader dr = null;
		private bool is_ReturnBooks = false;

		public PayFine(string R_ID,string B_ID,string Reason)
		{
			//
			// Windows 窗体设计器支持所必需的
			//
			InitializeComponent();

			cmd = Global.conn.CreateCommand();
			//
			//
			//
			textBox1.Text = R_ID;
			textBox1.ReadOnly = false;
			textBox2.Text = B_ID;
			textBox2.ReadOnly = false;
			textBox3.Text = "";
			textBox3.ReadOnly = false;
			textBox4.Text = Reason;
			textBox4.ReadOnly = false;
			is_ReturnBooks = false;
		}
		public PayFine(string R_ID,string B_ID,double Pay,string Reason)
		{
			//
			// Windows 窗体设计器支持所必需的
			//
			InitializeComponent();
			cmd = Global.conn.CreateCommand();
			//
			//
			//
			textBox1.Text = R_ID;
			textBox1.ReadOnly = true;
			textBox2.Text = B_ID;
			textBox2.ReadOnly = true;
			textBox3.Text = Pay.ToString();
			textBox3.ReadOnly = true;
			textBox4.Text = Reason;
			textBox4.ReadOnly = false;
			is_ReturnBooks = true;
		}

		/// <summary>
		/// 清理所有正在使用的资源。
		/// </summary>
		protected override void Dispose( bool disposing )
		{
			if( disposing )
			{
				if(components != null)
				{
					components.Dispose();
				}
				if(cmd!=null)
				{
					cmd.Dispose();
				}
			}
			base.Dispose( disposing );
		}

		#region Windows 窗体设计器生成的代码
		/// <summary>
		/// 设计器支持所需的方法 - 不要使用代码编辑器修改
		/// 此方法的内容。
		/// </summary>
		private void InitializeComponent()
		{
			this.button1 = new System.Windows.Forms.Button();
			this.button2 = new System.Windows.Forms.Button();
			this.label1 = new System.Windows.Forms.Label();
			this.label2 = new System.Windows.Forms.Label();
			this.label3 = new System.Windows.Forms.Label();
			this.label5 = new System.Windows.Forms.Label();
			this.textBox1 = new System.Windows.Forms.TextBox();
			this.textBox2 = new System.Windows.Forms.TextBox();
			this.textBox3 = new System.Windows.Forms.TextBox();
			this.textBox4 = new System.Windows.Forms.TextBox();
			this.label6 = new System.Windows.Forms.Label();
			this.SuspendLayout();
			// 
			// button1
			// 
			this.button1.FlatStyle = System.Windows.Forms.FlatStyle.System;
			this.button1.Location = new System.Drawing.Point(96, 200);
			this.button1.Name = "button1";
			this.button1.TabIndex = 0;
			this.button1.Text = "缴纳";
			this.button1.Click += new System.EventHandler(this.button1_Click);
			// 
			// button2
			// 
			this.button2.FlatStyle = System.Windows.Forms.FlatStyle.System;
			this.button2.Location = new System.Drawing.Point(192, 200);
			this.button2.Name = "button2";
			this.button2.TabIndex = 1;
			this.button2.Text = "关闭";
			this.button2.Click += new System.EventHandler(this.button2_Click);
			// 
			// label1
			// 
			this.label1.AutoSize = true;
			this.label1.Location = new System.Drawing.Point(24, 24);
			this.label1.Name = "label1";
			this.label1.Size = new System.Drawing.Size(54, 17);
			this.label1.TabIndex = 2;
			this.label1.Text = "借书证号";
			// 
			// label2
			// 
			this.label2.AutoSize = true;
			this.label2.Location = new System.Drawing.Point(24, 61);
			this.label2.Name = "label2";
			this.label2.Size = new System.Drawing.Size(66, 17);
			this.label2.TabIndex = 3;
			this.label2.Text = "图书条形码";
			// 
			// label3
			// 
			this.label3.AutoSize = true;
			this.label3.Location = new System.Drawing.Point(24, 98);
			this.label3.Name = "label3";
			this.label3.Size = new System.Drawing.Size(29, 17);
			this.label3.TabIndex = 4;
			this.label3.Text = "金额";
			// 
			// label5
			// 
			this.label5.AutoSize = true;
			this.label5.Location = new System.Drawing.Point(24, 135);
			this.label5.Name = "label5";
			this.label5.Size = new System.Drawing.Size(54, 17);
			this.label5.TabIndex = 6;
			this.label5.Text = "罚款原因";
			// 
			// textBox1
			// 
			this.textBox1.Location = new System.Drawing.Point(96, 22);
			this.textBox1.Name = "textBox1";
			this.textBox1.Size = new System.Drawing.Size(168, 21);
			this.textBox1.TabIndex = 7;
			this.textBox1.Text = "";
			// 
			// textBox2
			// 
			this.textBox2.Location = new System.Drawing.Point(96, 60);
			this.textBox2.Name = "textBox2";
			this.textBox2.Size = new System.Drawing.Size(168, 21);
			this.textBox2.TabIndex = 8;
			this.textBox2.Text = "";
			// 
			// textBox3
			// 
			this.textBox3.Location = new System.Drawing.Point(96, 98);
			this.textBox3.Name = "textBox3";
			this.textBox3.Size = new System.Drawing.Size(128, 21);
			this.textBox3.TabIndex = 9;
			this.textBox3.Text = "";
			this.textBox3.TextAlign = System.Windows.Forms.HorizontalAlignment.Right;
			// 
			// textBox4
			// 
			this.textBox4.Location = new System.Drawing.Point(96, 135);
			this.textBox4.Multiline = true;
			this.textBox4.Name = "textBox4";
			this.textBox4.Size = new System.Drawing.Size(168, 40);
			this.textBox4.TabIndex = 10;
			this.textBox4.Text = "";
			// 
			// label6
			// 
			this.label6.AutoSize = true;
			this.label6.Location = new System.Drawing.Point(232, 100);
			this.label6.Name = "label6";
			this.label6.Size = new System.Drawing.Size(17, 17);
			this.label6.TabIndex = 12;
			this.label6.Text = "元";
			// 
			// PayFine
			// 
			this.AcceptButton = this.button1;
			this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
			this.ClientSize = new System.Drawing.Size(290, 240);
			this.ControlBox = false;
			this.Controls.Add(this.label6);
			this.Controls.Add(this.textBox4);
			this.Controls.Add(this.textBox3);
			this.Controls.Add(this.textBox2);
			this.Controls.Add(this.textBox1);
			this.Controls.Add(this.label5);
			this.Controls.Add(this.label3);
			this.Controls.Add(this.label2);
			this.Controls.Add(this.label1);
			this.Controls.Add(this.button2);
			this.Controls.Add(this.button1);
			this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.FixedDialog;
			this.Name = "PayFine";
			this.ShowInTaskbar = false;
			this.SizeGripStyle = System.Windows.Forms.SizeGripStyle.Hide;
			this.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen;
			this.Text = "缴纳罚款";
			this.ResumeLayout(false);

		}
		#endregion

		/// <summary>
		/// 
		/// </summary>
		private void initializeScreen()
		{
			textBox1.Text = "";
			textBox1.ReadOnly = false;
			textBox2.Text = "";
			textBox2.ReadOnly = false;
			textBox3.Text = "";
			textBox3.ReadOnly = false;
			textBox4.Text = "";
			textBox4.ReadOnly = false;
		}
		/// <summary>
		/// 缴纳罚款
		/// </summary>
		/// <param name="sender"></param>
		/// <param name="e"></param>
		private void button1_Click(object sender, System.EventArgs e)
		{
			string str = "";
			if(textBox1.Text=="")
			{
				MessageBox.Show("借书证号不能为空！","警告",MessageBoxButtons.OK,MessageBoxIcon.Warning);
				textBox1.Focus();
				return;
			}
			if(textBox2.Text=="")
			{
				MessageBox.Show("图书条形码不能为空！","警告",MessageBoxButtons.OK,MessageBoxIcon.Warning);
				textBox2.Focus();
				return;
			}
			if(textBox3.Text=="")
			{
				MessageBox.Show("罚款金额不能为空！","警告",MessageBoxButtons.OK,MessageBoxIcon.Warning);
				textBox3.Focus();
				return;
			}
			if(textBox4.Text=="")
			{
				MessageBox.Show("罚款原因不能为空！","警告",MessageBoxButtons.OK,MessageBoxIcon.Warning);
				textBox4.Focus();
				return;
			}
			string name = "";
			str = "select 姓名 from V_借书证 where 借书证号='" + textBox1.Text + "'";
			cmd.CommandText = str;
			try
			{
				dr = cmd.ExecuteReader();
				dr.Read();
				if(dr.HasRows)
				{
					name = dr.GetString(0);
				}
				if(dr!=null)dr.Close();
			}
			catch(Exception ex)
			{
				if(dr!=null)dr.Close();
				MessageBox.Show("发生如下错误：\n\n" + ex.ToString(),"错误",MessageBoxButtons.OK,MessageBoxIcon.Error);
				return;
			}
			str = "insert into 罚款 values('" 
				+ textBox2.Text + "',"
				+ Convert.ToDecimal(textBox3.Text) + ",'"
				+ textBox4.Text + "','"
				+ name + "','" + DateTime.Now.ToShortDateString() + "')";
			cmd.CommandText = str;
			try
			{
				cmd.ExecuteNonQuery();
				MessageBox.Show("成功缴纳罚款！","提示",MessageBoxButtons.OK,MessageBoxIcon.Information);
				this.Close();
			}
			catch(Exception ex)
			{
				MessageBox.Show("发生如下错误：\n\n" + ex.ToString(),"错误",MessageBoxButtons.OK,MessageBoxIcon.Error);
				return;
			}
			if(is_ReturnBooks)
			{
				str = "update 流通 set 归还标志=0 where 借书证号='" + textBox1.Text 
					+ "' and 图书条码号='" + textBox2.Text + "'";
				cmd.CommandText = str;
				try
				{
					cmd.ExecuteNonQuery();
					MessageBox.Show("成功归还图书！","提示",MessageBoxButtons.OK,MessageBoxIcon.Information);
				}
				catch(Exception ex)
				{
					MessageBox.Show("发生如下错误：\n\n" + ex.ToString(),"错误",MessageBoxButtons.OK,MessageBoxIcon.Error);
					return;
				}
			}
		}
		/// <summary>
		/// 关闭
		/// </summary>
		/// <param name="sender"></param>
		/// <param name="e"></param>
		private void button2_Click(object sender, System.EventArgs e)
		{
			this.Close();
		}
	}
}