usercls.cs

这是我个人写的一个实例用于登记公司的电脑信息

            //下面这一句就可以打印DataGridView
            //(webmis.Body as GoldPrinter.Body).DataSource = ToStringArray(dataGridView1, true);

            //为人特性化，自定义表体，可以设置字体、列宽、列对齐方式
            GoldPrinter.Body gridBody = new GoldPrinter.Body();
            //任意二维的数据通通打印，或者是设置GridText属性
            gridBody.DataSource = ToStringArray(dataGridView1, true); //此处使用gridBody.DataSource =dataGridView1.DataSource 也可实现
            gridBody.Font = dataGridView1.Font;
            //gridBody.ColsWidth = GetColsWidth(dataGridView1);
            webmis.Body = gridBody;


            // webmis.Preview();//打印预览
            webmis.PageSetup();//页面设置
            
            webmis.Dispose();//撤消打印资源
        }


        public void DataPreview(DataGridView dataGridView1, string PrintTitle)
        {
            webmis.Title = PrintTitle;   //标题，还可设置子标题
            webmis.Footer = System.DateTime.Now.ToString();
            (webmis.Title as GoldPrinter.Title).Font = new System.Drawing.Font("宋体", 12, System.Drawing.FontStyle.Bold);
            //下面这一句就可以打印DataGridView
            //(webmis.Body as GoldPrinter.Body).DataSource = ToStringArray(dataGridView1, true);

            //为人特性化，自定义表体，可以设置字体、列宽、列对齐方式
            GoldPrinter.Body gridBody = new GoldPrinter.Body();
            //任意二维的数据通通打印，或者是设置GridText属性
            gridBody.DataSource = ToStringArray(dataGridView1, true); //此处使用gridBody.DataSource =dataGridView1.DataSource 也可实现
            gridBody.Font = dataGridView1.Font;
            //gridBody.ColsWidth = GetColsWidth(dataGridView1);
            webmis.Body = gridBody;


            // webmis.Preview();//打印预览
            webmis.Preview();//打印

            webmis.Dispose();//撤消打印资源

        }

        //DataGridView转换为二维数组
        /// <summary>
        /// 将VS.Net 2005 DataGridView控件的数据导出到二维数组。
        /// </summary>
        /// <param name="dataGridView">VS.Net 2005 DataGridView控件。</param>
        /// <param name="includeColumnText">是否要把列标题文本也导到数组中。</param>
        ///  <作者>殷庆飞</作者>
        ///  <日期></日期>
        public string[,] ToStringArray(DataGridView dataGridView, bool includeColumnText)
        {
            #region 实现...
            string[,] arrReturn = null;
            int rowsCount = dataGridView.Rows.Count;
            int colsCount = dataGridView.Columns.Count;
            if (rowsCount > 0)
            {
                //最后一行是供输入的行时，不用读数据。
                if (dataGridView.Rows[rowsCount - 1].IsNewRow)
                {
                    rowsCount--;
                }
            }
            int i = 0;
            //包括列标题
            if (includeColumnText)
            {
                rowsCount++;
                arrReturn = new string[rowsCount, colsCount];
                for (i = 0; i < colsCount; i++)
                {
                    arrReturn[0, i] = dataGridView.Columns[i].HeaderText;
                }
                i = 1;
            }
            else
            {
                arrReturn = new string[rowsCount, colsCount];
            }
            //读取单元格数据
            int rowIndex = 0;
            for (; i < rowsCount; i++, rowIndex++)
            {
                for (int j = 0; j < colsCount; j++)
                {
                    arrReturn[i, j] = dataGridView.Rows[rowIndex].Cells[j].Value.ToString();
                }
            }
            return arrReturn;
            #endregion 实现
        }

        /// <summary>
        /// 使DataGridView隔行变色
        /// </summary>
        /// <param name="dataGridView1"></param>
        public void SetDGVColor(DataGridView dataGridView1)
        {
            //datagridview1的隔行变色
            dataGridView1.DefaultCellStyle.SelectionBackColor = Color.YellowGreen;
            dataGridView1.DefaultCellStyle.SelectionForeColor = Color.Black;
            //设定交替行颜色 
            dataGridView1.AlternatingRowsDefaultCellStyle.BackColor = Color.Wheat;
            dataGridView1.RowsDefaultCellStyle.BackColor = Color.AliceBlue; 
        }

        /// <summary>
        /// 验正字符串的长度
        /// </summary>
        /// <param name="strCheck">要验正的字符串</param>
        /// <param name="strLength">限制的最大长度</param>
        /// <returns></returns>
        public bool CheckString(string strCheck, int strLength)
        {
            byte[] buffer = System.Text.Encoding.Default.GetBytes(strCheck.Trim());//将字符串转换为字节，来计算其长度
            if (buffer.Length > strLength)//字符串大于指定的长度
            {
                MessageBox.Show("长度大于" + strLength.ToString(), "错误", MessageBoxButtons.OK, MessageBoxIcon.Error);
                return false;
            }
            else
            {
                return true;
            }
        }

        // Function to test for Positive Integers
        /// <summary>
        /// 验证是否为自然数
        /// </summary>
        /// <param name="strNumber">要验正的字符串</param>
        /// <returns></returns>
        public bool IsNaturalNumber(String strNumber)
        {
            Regex objNotNaturalPattern = new Regex("[^0-9]");

            Regex objNaturalPattern = new Regex("0*[1-9][0-9]*");

            return !objNotNaturalPattern.IsMatch(strNumber) &&
                    objNaturalPattern.IsMatch(strNumber);
        }

        // Function to test for Positive Integers with zero inclusive
        /// <summary>
        /// 验正是否为数字串
        /// </summary>
        /// <param name="strNumber">要验正的字符串</param>
        /// <returns></returns>
        public bool IsWholeNumber(String strNumber)
        {
            Regex objNotWholePattern = new Regex("[^0-9]");

            return !objNotWholePattern.IsMatch(strNumber);
        }

        // Function to Test for Integers both Positive & Negative
        /// <summary>
        /// 验正是否为正数
        /// </summary>
        /// <param name="strNumber">要验正的字符串</param>
        /// <returns></returns>
        public bool IsInteger(String strNumber)
        {
            Regex objNotIntPattern = new Regex("[^0-9-]");
            Regex objIntPattern = new Regex("^-[0-9]+$|^[0-9]+$");

            return !objNotIntPattern.IsMatch(strNumber) &&
                    objIntPattern.IsMatch(strNumber);
        }

        // Function to Test for Positive Number both Integer & Real
        /// <summary>
        /// 验正是否为整型和实型
        /// </summary>
        /// <param name="strNumber">要验正的字符串</param>
        /// <returns></returns>
        public bool IsPositiveNumber(String strNumber)
        {
            Regex objNotPositivePattern = new Regex("[^0-9.]");
            Regex objPositivePattern = new Regex("^[.][0-9]+$|[0-9]*[.]*[0-9]+$");
            Regex objTwoDotPattern = new Regex("[0-9]*[.][0-9]*[.][0-9]*");

            return !objNotPositivePattern.IsMatch(strNumber) &&
                   objPositivePattern.IsMatch(strNumber) &&
                   !objTwoDotPattern.IsMatch(strNumber);
        }



        // Function to test whether the string is valid number or not
        /// <summary>
        /// 验是否为有效的数字
        /// </summary>
        /// <param name="strNumber">要验正的字符串</param>
        /// <returns></returns>
        public bool IsNumber(String strNumber)
        {
            Regex objNotNumberPattern = new Regex("[^0-9.-]");
            Regex objTwoDotPattern = new Regex("[0-9]*[.][0-9]*[.][0-9]*");
            Regex objTwoMinusPattern = new Regex("[0-9]*[-][0-9]*[-][0-9]*");
            String strValidRealPattern = "^([-]|[.]|[-.]|[0-9])[0-9]*[.]*[0-9]+$";
            String strValidIntegerPattern = "^([-]|[0-9])[0-9]*$";
            Regex objNumberPattern = new Regex("(" + strValidRealPattern + ")|(" + strValidIntegerPattern + ")");

            return !objNotNumberPattern.IsMatch(strNumber) &&
                   !objTwoDotPattern.IsMatch(strNumber) &&
                   !objTwoMinusPattern.IsMatch(strNumber) &&
                   objNumberPattern.IsMatch(strNumber);
        }

        // Function To test for Alphabets.
        /// <summary>
        /// 验正是否为字母
        /// </summary>
        /// <param name="strToCheck">要验正的字符串</param>
        /// <returns></returns>
        public bool IsAlpha(String strToCheck)
        {
            Regex objAlphaPattern = new Regex("[^a-zA-Z]");

            return !objAlphaPattern.IsMatch(strToCheck);
        }

        // Function to Check for AlphaNumeric.
        /// <summary>
        /// 验正是否为字母和数字组成的串
        /// </summary>
        /// <param name="strToCheck">要验正的字符串</param>
        /// <returns></returns>
        public bool IsAlphaNumeric(String strToCheck)
        {
            Regex objAlphaNumericPattern = new Regex("[^a-zA-Z0-9]");

            return !objAlphaNumericPattern.IsMatch(strToCheck);
        }


        /// <summary>
        /// 启动线程对局域网内的IP进行扫描
        /// </summary>
        /// <param name="listView1">存放所有扫描出IP的listView</param>
        /// <param name="strNetWork">所要扫描的网段</param>
        /// <param name="strStartIP">开始IP</param>
        /// <param name="strEndIP">结束IP</param>
        public void StartThreadForIP(ListView listView1, string strNetWork, string strStartIP, string strEndIP)
        {
            //Thread 类: 创建并控制线程 

            //Thread thScan = new Thread(new ThreadStart(ScanTarget)); 

            //Thread thScan = new Thread(new ThreadStart(ScanIP));

            //Thread.Start 方法:启动线程 
            //thScan.Start(); 
        }


        /// <summary>
        /// 对局域网内的IP进行扫描
        /// </summary>
        /// <param name="listView1">存放所有扫描出IP的listView</param>
        /// <param name="strNetWork">所要扫描的网段</param>
        /// <param name="strStartIP">开始IP</param>
        /// <param name="strEndIP">结束IP</param>
        private void ScanIP(ListView listView1, string strNetWork, string strStartIP, string strEndIP)
        {
            listView1.Items.Clear();
            ListViewItem listviewitem; //清空listView1的项 
            string strIPaddress = strNetWork + ".";  //或取前24位的IP地址 
            int start = Int32.Parse(strStartIP);
            int end = Int32.Parse(strEndIP);
            if (start > end)
                MessageBox.Show("终止地止必须大于启始地址", "警告"); //比较开始地址与接束地址,不允许终止地止必须小于启始地址 
            else
            {
                for (int i = start; i <= end; i++)
                {
                    string strscanip = strIPaddress + i.ToString();//构造IP地址 
                    IPAddress sacanip = IPAddress.Parse(strscanip);//转换成IP地址 

                    listviewitem = new ListViewItem(strscanip, 0);//在ListViewItem添加IP地址 
                    try
                    {
                        IPHostEntry hostinfo = Dns.GetHostByAddress(sacanip); //根据ip地址或取主机的DNS信息 

                        string hostname = hostinfo.HostName.ToString(); //或取主机名 

                        listviewitem.SubItems.Add(hostname); //在ListViewItem添加主机名 
                        listviewitem.SubItems.Add("可到达");
                        listView1.Items.Add(listviewitem); //将项加入listView1 
                    }
                    catch (Exception ew)
                    {
                        //listviewitem.SubItems.Add("未知");
                        //listviewitem.SubItems.Add("不可到达");
                        string strError = string.Format("ERROR:{0}", ew.Message);
                        MessageBox.Show(strError, "提示", MessageBoxButtons.OK, MessageBoxIcon.Error);
                    }                    
                }
            } 
        }
    
    }
}