mainfrm.cs

进销存管理系统

            this.statusBarPanel2.Name = "statusBarPanel2";
            this.statusBarPanel2.Width = 300;
            // 
            // menuItem6
            // 
            this.menuItem6.Index = 1;
            this.menuItem6.Text = "用户管理";
            // 
            // MainFrm
            // 
            this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
            this.ClientSize = new System.Drawing.Size(792, 554);
            this.Controls.Add(this.statusBar1);
            this.IsMdiContainer = true;
            this.Menu = this.mainMenu1;
            this.Name = "MainFrm";
            this.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen;
            this.Text = "【清风进销存管理系统】";
            this.Load += new System.EventHandler(this.MainFrm_Load);
            ((System.ComponentModel.ISupportInitialize)(this.statusBarPanel1)).EndInit();
            ((System.ComponentModel.ISupportInitialize)(this.statusBarPanel2)).EndInit();
            this.ResumeLayout(false);

		}
		#endregion

		/// <summary>
		/// 应用程序的主入口点。
		/// </summary>
		[STAThread]
		static void Main() 
		{
			//整个程序启动时先显示登录框，登录成功再显示主界面
			LoginFrm login = new LoginFrm();
			login.ShowDialog();
			if (LoginFrm.blCanLogin==true)
			{
				Application.Run(new MainFrm());
			}
		}

		//------------创建窗体时，通过登录用户的名称和权限，设置可以访问的功能--------------
		private void MainFrm_Load(object sender, System.EventArgs e)
		{
			this.statusBarPanel2.Text = "    当前用户: " + LoginFrm.strUser +"    所属部门: " + LoginFrm.strDepartment;
			//通过用户编号查询权限清单控制主窗体菜单使能状态
			this.sendStrSQL = "SELECT 权限名称 from 权限清单 where 用户编号 = '" + LoginFrm.strUser +"'";
			this.ds = this.link.SelectDataBase(sendStrSQL,sendTableName);
			//系统管理用户为特殊权限用户,他始终拥有所有权利
			if ( LoginFrm.strDepartment == "系统管理")
			{
				this.mnu_WareDataManage.Enabled = true;
				this.mnu_StokerDataManage.Enabled = true;
				this.mnu_ClientDataManage.Enabled = true;
				this.mnu_StockTable.Enabled = true;
				this.mnu_SellTable.Enabled = true;
				this.mnu_StorageSearch.Enabled = true;
				this.mnu_PopedomManage.Enabled = true;
			}
			else
			{
				//根据从数据库中检索到的用户的权限来设置其有权使用的菜单
				for (int intCounter=0;intCounter<this.ds.Tables[0].Rows.Count;intCounter++)
				{
					if (this.ds.Tables[0].Rows[intCounter][0].ToString().Trim() == "商品资料维护")
					{
						this.mnu_WareDataManage.Enabled = true; continue;
					}
					if (this.ds.Tables[0].Rows[intCounter][0].ToString().Trim() == "供货商资料维护")
					{
						this.mnu_StokerDataManage.Enabled = true; continue;
					}
					if (this.ds.Tables[0].Rows[intCounter][0].ToString().Trim() == "客户资料维护")
					{
						this.mnu_ClientDataManage.Enabled = true; continue;
					}
					if (this.ds.Tables[0].Rows[intCounter][0].ToString().Trim() == "进货单")
					{
						this.mnu_StockTable.Enabled = true; continue;
					}
					if (this.ds.Tables[0].Rows[intCounter][0].ToString().Trim() == "销售单")
					{
						this.mnu_SellTable.Enabled = true; continue;
					}
					if (this.ds.Tables[0].Rows[intCounter][0].ToString().Trim() == "库存查询")
					{
						this.mnu_StorageSearch.Enabled = true; continue;
					}
					if (this.ds.Tables[0].Rows[intCounter][0].ToString().Trim() == "权限管理")
					{
						this.mnu_PopedomManage.Enabled = true; continue;
					}
				}
			}
		}

		//-----------------查询一个子窗体是否存在----------------
		private bool checkChildFrmExist(string childFrmName)
		{
			foreach(Form childFrm in this.MdiChildren)
			{
				//用子窗体的Name进行判断，如果已经存在则将他激活
				if(childFrm.Name == childFrmName)
				{
					if(childFrm.WindowState == FormWindowState.Minimized)
						childFrm.WindowState = FormWindowState.Normal;
					childFrm.Activate();
					return true;
				}
			}
			return false;
		}

		//-----------显示商品信息维护窗口----------
		private void mnu_WareDataManage_Click(object sender, System.EventArgs e)
		{
			if (this.checkChildFrmExist("WareDataManage") == true)
			{
				return;
			}
			// 如果该窗体不存在则新生成一个商品信息维护窗体
			WareDataManage newFrm = new WareDataManage(true);
			newFrm.MdiParent = this;
			newFrm.Show();
		}

		//-----------显示供货商信息维护窗口----------
		private void mnu_StokerDataManage_Click(object sender, System.EventArgs e)
		{
			if (this.checkChildFrmExist("StokerDataManage") == true)
			{
				return;
			}
			// 如果该窗体不存在则新生成一个供货商信息维护维护窗体
			StokerDataManage newFrm = new StokerDataManage(true);
			newFrm.MdiParent = this;
			newFrm.Show();		
		}

		//-----------显示客户信息维护窗口----------
		private void mnu_ClientDataManage_Click(object sender, System.EventArgs e)
		{
			if (this.checkChildFrmExist("ClientDataManage") == true)
			{
				return;
			}
			// 如果该窗体不存在则新生成一个客户信息维护窗体
			ClientDataManage newFrm = new ClientDataManage(true);
			newFrm.MdiParent = this;
			newFrm.Show();		
		}

		//-----------显示进货单窗口----------
		private void mnu_StockTable_Click(object sender, System.EventArgs e)
		{
			if (this.checkChildFrmExist("StockTable") == true)
			{
				return;
			}
			// 如果该窗体不存在则新生成一个进货单窗体
			StockTable newFrm = new StockTable();
			newFrm.MdiParent = this;
			newFrm.Show();		
		
		}

		//-----------显示销售单窗口----------
		private void mnu_SellTable_Click(object sender, System.EventArgs e)
		{
			if (this.checkChildFrmExist("SellTable") == true)
			{
				return;
			}
			// 如果该窗体不存在则新生成一个销售单窗体
			SellTable newFrm = new SellTable();
			newFrm.MdiParent = this;
			newFrm.Show();		
		
		}

		//-----------显示库存查询窗口----------
		private void mnu_StorageSearch_Click(object sender, System.EventArgs e)
		{
			if (this.checkChildFrmExist("StorageSearch") == true)
			{
				return;
			}
			// 如果该窗体不存在则新生成一个库存查询窗体
			StorageSearch newFrm = new StorageSearch();
			newFrm.MdiParent = this;
			newFrm.Show();		
		
		}


		//-----------显示权限管理窗口----------
		private void mnu_PopedomManage_Click(object sender, System.EventArgs e)
		{
			if (this.checkChildFrmExist("PopedomManage") == true)
			{
				return;
			}
			// 如果该窗体不存在则新生成一个权限管理窗体
			PopedomManage newFrm = new PopedomManage();
			newFrm.MdiParent = this;
			newFrm.Show();		
		}
		
		
		//-----------退出窗体，先询问用户是否退出-------------
		private void menuItemQuit_Click(object sender, System.EventArgs e)
		{
			if (MessageBox.Show("确实要退出系统吗?","询问",MessageBoxButtons.YesNo) == DialogResult.Yes)
			{
				this.Close();
			}
		}

	}
}