常用功能函数
using System;
using System.Collections.Generic;
using System.Text;using System.Runtime.InteropServices; //調(diào)用DLL需要引用空間
using System.Management; //獲取計(jì)算機(jī)硬件信息需要引用的空間，需要添加引用
using System.Windows.Forms;
using System.IO;
//當(dāng)你引用using Excel = Microsoft.Office.Interop.Excel;時(shí)如果出現(xiàn)
//命名空間“Microsoft.Office”中不存在類型或命名空間名稱“Interop”(是缺少程序集引用嗎?)的錯(cuò)誤時(shí)，檢查你是否添加了
//Microsoft Office 11.0 Object Library 組件；添加引用-->com-->Microsoft Office 11.0 Object Library,
//接著再添加Microsoft.Office.Interop.Excel組件；添加引用-->.net-->Microsoft.Office.Interop.Excel,
using Excel = Microsoft.Office.Interop.Excel;
using System.Reflection;
using System.Net; // 網(wǎng)絡(luò)
using System.Net.Sockets;
namespace Function
{public class MyClass{#region 設(shè)置日期格式[DllImport("kernel32.dll", EntryPoint = "GetSystemDefaultLCID")]public static extern int GetSystemDefaultLCID();[DllImport("kernel32.dll", EntryPoint = "SetLocaleInfoA")]public static extern int SetLocaleInfo(int Locale, int LCType, string lpLCData);public const int LOCALE_SLONGDATE = 0x20;public const int LOCALE_SSHORTDATE = 0x1F;public const int LOCALE_STIME = 0x1003;public void SetDateFormat(){try{int x = GetSystemDefaultLCID();SetLocaleInfo(x, LOCALE_STIME, "HH:mm:ss"); //時(shí)間格式 SetLocaleInfo(x, LOCALE_SSHORTDATE, "yyyy-MM-dd"); //短日期格式 SetLocaleInfo(x, LOCALE_SLONGDATE, "yyyy-MM-dd"); //長日期格式
}catch (Exception ex){MessageBox.Show(ex.Message);}}#endregion#region 全角轉(zhuǎn)半角public string ToDBC(string inputString){char[] CharacterArray = inputString.ToCharArray();for (int i = 0; i < CharacterArray.Length; i++){if (CharacterArray[i] == 12288){CharacterArray[i] = (char)32;continue;}if (CharacterArray[i] > 65280 && CharacterArray[i] < 65375)CharacterArray[i] = (char)(CharacterArray[i] - 65248);}return new string(CharacterArray);}#endregion#region 金額小寫轉(zhuǎn)大寫private static String[] Ls_ShZ ={ "零", "壹", "貳", "叁", "肆", "伍", "陸", "柒", "捌", "玖", "拾" };private static String[] Ls_DW_Zh ={ "元", "拾", "佰", "仟", "萬", "拾", "佰", "仟", "億", "拾", "佰", "仟", "萬" };private static String[] Num_DW ={ "", "拾", "佰", "仟", "萬", "拾", "佰", "仟", "億", "拾", "佰", "仟", "萬" };private static String[] Ls_DW_X ={ "角", "分" };/// <summary>/// 金額小寫轉(zhuǎn)中文大寫。/// 整數(shù)支持到萬億；小數(shù)部分支持到分(超過兩位將進(jìn)行Banker舍入法處理)/// </summary>/// <param name="Num">需要轉(zhuǎn)換的雙精度浮點(diǎn)數(shù)</param>/// <returns>轉(zhuǎn)換后的字符串</returns>public String NumGetStr(Double Num){Boolean iXSh_bool = false;//是否含有小數(shù)，默認(rèn)沒有(0則視為沒有)Boolean iZhSh_bool = true;//是否含有整數(shù),默認(rèn)有(0則視為沒有)string NumStr;//整個(gè)數(shù)字字符串string NumStr_Zh;//整數(shù)部分string NumSr_X = "";//小數(shù)部分string NumStr_DQ;//當(dāng)前的數(shù)字字符string NumStr_R = "";//返回的字符串Num = Math.Round(Num, 2);//四舍五入取兩位//各種非正常情況處理if (Num < 0)return "不轉(zhuǎn)換欠條";if (Num > 9999999999999.99)return "很難想象誰會(huì)有這么多錢！";if (Num == 0)return Ls_ShZ[0];//判斷是否有整數(shù)if (Num < 1.00)iZhSh_bool = false;NumStr = Num.ToString();NumStr_Zh = NumStr;//默認(rèn)只有整數(shù)部分if (NumStr_Zh.Contains(".")){//分開整數(shù)與小數(shù)處理NumStr_Zh = NumStr.Substring(0, NumStr.IndexOf("."));NumSr_X = NumStr.Substring((NumStr.IndexOf(".") + 1), (NumStr.Length - NumStr.IndexOf(".") - 1));iXSh_bool = true;}if (NumSr_X == "" || int.Parse(NumSr_X) <= 0){//判斷是否含有小數(shù)部分iXSh_bool = false;}if (iZhSh_bool){//整數(shù)部分處理// NumStr_Zh = Reversion_Str(NumStr_Zh);//反轉(zhuǎn)字符串for (int a = 0; a < NumStr_Zh.Length; a++){//整數(shù)部分轉(zhuǎn)換NumStr_DQ = NumStr_Zh.Substring(a, 1);if (int.Parse(NumStr_DQ) != 0)NumStr_R = Ls_ShZ[int.Parse(NumStr_DQ)] + Ls_DW_Zh[a] + NumStr_R;else if (a == 0 || a == 4 || a == 8){if (NumStr_Zh.Length > 8 && a == 4)continue;NumStr_R = Ls_DW_Zh[a] + NumStr_R;}else if (int.Parse(NumStr_Zh.Substring(a - 1, 1)) != 0)NumStr_R = Ls_ShZ[int.Parse(NumStr_DQ)] + NumStr_R;}if (!iXSh_bool)return NumStr_R + "整";//NumStr_R += "零";
}for (int b = 0; b < NumSr_X.Length; b++){//小數(shù)部分轉(zhuǎn)換NumStr_DQ = NumSr_X.Substring(b, 1);if (int.Parse(NumStr_DQ) != 0)NumStr_R += Ls_ShZ[int.Parse(NumStr_DQ)] + Ls_DW_X[b];else if (b != 1 && iZhSh_bool)NumStr_R += Ls_ShZ[int.Parse(NumStr_DQ)];}return NumStr_R;}#endregion#region 獲取計(jì)算機(jī)硬件信息及系統(tǒng)版本private string OSBit(){try{ConnectionOptions oConn = new ConnectionOptions();System.Management.ManagementScope managementScope = new System.Management.ManagementScope("\\\\localhost", oConn);System.Management.ObjectQuery objectQuery = new System.Management.ObjectQuery("select AddressWidth from Win32_Processor");ManagementObjectSearcher moSearcher = new ManagementObjectSearcher(managementScope, objectQuery);ManagementObjectCollection moReturnCollection = null;string addressWidth = null;moReturnCollection = moSearcher.Get();foreach (ManagementObject oReturn in moReturnCollection){addressWidth = oReturn["AddressWidth"].ToString();}return addressWidth;}catch{return "獲取錯(cuò)誤";}}/// <summary>/// 獲取計(jì)算機(jī)硬件信息及系統(tǒng)版本/// </summary>/// <returns></returns>public string GetOsVersion(){string osBitString = OSBit();string osVersionString = Environment.OSVersion.ToString();return string.Format(@"系統(tǒng)：{0}，{1} 位。", osVersionString, osBitString);}/// <summary>/// 獲取獲取CPU序列號代碼 /// </summary>/// <returns></returns>public string GetCpuID(){try{//獲取CPU序列號代碼 string cpuInfo = "";//cpu序列號
ManagementClass mc = new ManagementClass("Win32_Processor");ManagementObjectCollection moc = mc.GetInstances();foreach (ManagementObject mo in moc){cpuInfo = mo.Properties["ProcessorId"].Value.ToString();}moc = null;mc = null;return "cpu序列號：" + cpuInfo;}catch{return "unknow";}finally{}}/// <summary>/// 獲取網(wǎng)卡硬件地址/// </summary>/// <returns></returns>public string GetMacAddress(){try{//獲取網(wǎng)卡硬件地址 string mac = "";ManagementClass mc = new ManagementClass("Win32_NetworkAdapterConfiguration");ManagementObjectCollection moc = mc.GetInstances();foreach (ManagementObject mo in moc){if ((bool)mo["IPEnabled"] == true){mac = mo["MacAddress"].ToString();break;}}moc = null;mc = null;return "網(wǎng)卡MAC地址：" + mac;}catch{return "unknow";}finally{}}/// <summary>/// /獲取IP地址 /// </summary>/// <returns></returns>public string GetIPAddress(){try{//獲取IP地址 string st = "";ManagementClass mc = new ManagementClass("Win32_NetworkAdapterConfiguration");ManagementObjectCollection moc = mc.GetInstances();foreach (ManagementObject mo in moc){if ((bool)mo["IPEnabled"] == true){//st=mo["IpAddress"].ToString();
System.Array ar;ar = (System.Array)(mo.Properties["IpAddress"].Value);st = ar.GetValue(0).ToString();break;}}moc = null;mc = null;return "IP地址:" + st;}catch{return "unknow";}finally{}}/// <summary>/// 獲取硬盤ID /// </summary>/// <returns></returns>public string GetDiskID(){try{//獲取硬盤ID String HDid = "";ManagementClass mc = new ManagementClass("Win32_DiskDrive");ManagementObjectCollection moc = mc.GetInstances();foreach (ManagementObject mo in moc){HDid = (string)mo.Properties["Model"].Value;}moc = null;mc = null;return "硬盤序列號：" + HDid;}catch{return "unknow";}finally{}}/// <summary> /// 操作系統(tǒng)的登錄用戶名 /// </summary> /// <returns></returns> public string GetUserName(){try{string st = "";ManagementClass mc = new ManagementClass("Win32_ComputerSystem");ManagementObjectCollection moc = mc.GetInstances();foreach (ManagementObject mo in moc){st = mo["UserName"].ToString();}moc = null;mc = null;return "系統(tǒng)登錄用戶名：" + st;}catch{return "unknow";}finally{}}/// <summary> /// PC類型 /// </summary> /// <returns></returns> public string GetSystemType(){try{string st = "";ManagementClass mc = new ManagementClass("Win32_ComputerSystem");ManagementObjectCollection moc = mc.GetInstances();foreach (ManagementObject mo in moc){st = mo["SystemType"].ToString();}moc = null;mc = null;return "電腦類型:" + st;}catch{return "unknow";}finally{}}/// <summary> /// 物理內(nèi)存 /// </summary> /// <returns></returns> public string GetTotalPhysicalMemory(){try{string st = "";ManagementClass mc = new ManagementClass("Win32_ComputerSystem");ManagementObjectCollection moc = mc.GetInstances();foreach (ManagementObject mo in moc){st = mo["TotalPhysicalMemory"].ToString();}moc = null;mc = null;return "物理內(nèi)存：" + st;}catch{return "unknow";}finally{}}/// <summary> /// 獲取計(jì)算機(jī)名稱/// </summary> /// <returns></returns> public string GetComputerName(){try{return "計(jì)算機(jī)名：" + System.Environment.GetEnvironmentVariable("ComputerName");}catch{return "unknow";}finally{}}#endregion#region DataGridView數(shù)據(jù)顯示到Excel/// <summary> /// 打開Excel并將DataGridView控件中數(shù)據(jù)導(dǎo)出到Excel /// </summary> /// <param name="dgv">DataGridView對象 </param> /// <param name="isShowExcle">是否顯示Excel界面 </param> /// <remarks> /// add com "Microsoft Excel 11.0 Object Library" /// using Excel=Microsoft.Office.Interop.Excel; /// </remarks> /// <returns> </returns> public bool DataGridviewShowToExcel(DataGridView dgv, bool isShowExcle){if (dgv.Rows.Count == 0){MessageBox.Show("沒有數(shù)據(jù)可以導(dǎo)出！");return false;}try{//建立Excel對象 //Microsoft.Office.Interop.Excel.Application excel = new Microsoft.Office.Interop.Excel.Application(); Excel.Application excel = new Excel.Application();excel.Application.Workbooks.Add(true);excel.Visible = isShowExcle;//生成字段名稱 for (int i = 0; i < dgv.ColumnCount; i++){excel.Cells[1, i + 1] = dgv.Columns[i].HeaderText;}//填充數(shù)據(jù) for (int i = 0; i < dgv.RowCount - 1; i++){for (int j = 0; j < dgv.ColumnCount; j++){if (dgv[j, i].ValueType == typeof(string)){excel.Cells[i + 2, j + 1] = "'" + dgv[j, i].Value.ToString();}else{excel.Cells[i + 2, j + 1] = dgv[j, i].Value.ToString();}}}return true;}catch (System.Exception ex){DataGridViewToExcel_CSV(dgv);return true;}}#endregion#region DateGridView導(dǎo)出到csv格式的Excel/// <summary> /// 常用方法，列之間加/t，一行一行輸出，此文件其實(shí)是csv文件，不過默認(rèn)可以當(dāng)成Excel打開。 /// </summary> /// <remarks> /// using System.IO; /// </remarks> /// <param name="dgv"></param> private void DataGridViewToExcel_CSV(DataGridView dgv){SaveFileDialog kk = new SaveFileDialog();kk.Title = "保存EXECL文件";kk.Filter = "EXECL文件(*.xls) |*.xls |所有文件(*.*) |*.*";kk.FilterIndex = 1;if (kk.ShowDialog() == DialogResult.OK){string FileName = kk.FileName;if (File.Exists(FileName))File.Delete(FileName);FileStream objFileStream;StreamWriter objStreamWriter;string strLine = "";objFileStream = new FileStream(FileName, FileMode.OpenOrCreate, FileAccess.Write);objStreamWriter = new StreamWriter(objFileStream, System.Text.Encoding.Unicode);for (int i = 0; i < dgv.Columns.Count; i++){if (dgv.Columns[i].Visible == true){strLine = strLine + dgv.Columns[i].HeaderText.ToString() + Convert.ToChar(9);}}objStreamWriter.WriteLine(strLine);strLine = "";for (int i = 0; i < dgv.Rows.Count; i++){if (dgv.Columns[0].Visible == true){if (dgv.Rows[i].Cells[0].Value == null)strLine = strLine + " " + Convert.ToChar(9);elsestrLine = strLine + dgv.Rows[i].Cells[0].Value.ToString() + Convert.ToChar(9);}for (int j = 1; j < dgv.Columns.Count; j++){if (dgv.Columns[j].Visible == true){if (dgv.Rows[i].Cells[j].Value == null) strLine = strLine + " " + Convert.ToChar(9);else{string rowstr = "";rowstr = dgv.Rows[i].Cells[j].Value.ToString();if (rowstr.IndexOf("\r\n") > 0)rowstr = rowstr.Replace("\r\n", " ");if (rowstr.IndexOf("\t") > 0)rowstr = rowstr.Replace("\t", " ");strLine = strLine + rowstr + Convert.ToChar(9);}}}objStreamWriter.WriteLine(strLine);strLine = "";}objStreamWriter.Close();objFileStream.Close();MessageBox.Show("保存EXCEL成功", "提示");}}#endregion#region <不使用> DataGridView導(dǎo)出到Excel，有一定的判斷性/// <summary> /// !不使用!，導(dǎo)出DataGridView中的數(shù)據(jù)到Excel文件/// </summary> /// <remarks> /// add com "Microsoft Excel 11.0 Object Library" /// using Excel=Microsoft.Office.Interop.Excel; /// using System.Reflection; /// </remarks> /// <param name= "dgv"> DataGridView </param> public void DataGridViewToExcel(DataGridView dgv){#region 驗(yàn)證可操作性//申明保存對話框 SaveFileDialog dlg = new SaveFileDialog();//默然文件后綴 dlg.DefaultExt = "xls ";//文件后綴列表 dlg.Filter = "EXCEL文件(*.XLS)|*.xls ";//默然路徑是系統(tǒng)當(dāng)前路徑 dlg.InitialDirectory = Directory.GetCurrentDirectory();//打開保存對話框 if (dlg.ShowDialog() == DialogResult.Cancel) return;//返回文件路徑 string fileNameString = dlg.FileName;//驗(yàn)證strFileName是否為空或值無效 if (fileNameString.Trim() == " "){ return; }//定義表格內(nèi)數(shù)據(jù)的行數(shù)和列數(shù) int rowscount = dgv.Rows.Count;int colscount = dgv.Columns.Count;//行數(shù)必須大于0 if (rowscount <= 0){MessageBox.Show("沒有數(shù)據(jù)可供保存 ", "提示 ", MessageBoxButtons.OK, MessageBoxIcon.Information);return;}//列數(shù)必須大于0 if (colscount <= 0){MessageBox.Show("沒有數(shù)據(jù)可供保存 ", "提示 ", MessageBoxButtons.OK, MessageBoxIcon.Information);return;}//行數(shù)不可以大于65536 if (rowscount > 65536){MessageBox.Show("數(shù)據(jù)記錄數(shù)太多(最多不能超過65536條)，不能保存 ", "提示 ", MessageBoxButtons.OK, MessageBoxIcon.Information);return;}//列數(shù)不可以大于255 if (colscount > 255){MessageBox.Show("數(shù)據(jù)記錄行數(shù)太多，不能保存 ", "提示 ", MessageBoxButtons.OK, MessageBoxIcon.Information);return;}//驗(yàn)證以fileNameString命名的文件是否存在，如果存在刪除它 FileInfo file = new FileInfo(fileNameString);if (file.Exists){try{file.Delete();}catch (Exception error){MessageBox.Show(error.Message, "刪除失敗 ", MessageBoxButtons.OK, MessageBoxIcon.Warning);return;}}#endregionExcel.Application objExcel = null;Excel.Workbook objWorkbook = null;Excel.Worksheet objsheet = null;try{//申明對象 objExcel = new Microsoft.Office.Interop.Excel.Application();objWorkbook = objExcel.Workbooks.Add(Missing.Value);objsheet = (Excel.Worksheet)objWorkbook.ActiveSheet;//設(shè)置EXCEL不可見 objExcel.Visible = false;//向Excel中寫入表格的表頭 int displayColumnsCount = 1;for (int i = 0; i <= dgv.ColumnCount - 1; i++){if (dgv.Columns[i].Visible == true){objExcel.Cells[1, displayColumnsCount] = dgv.Columns[i].HeaderText.Trim();displayColumnsCount++;}}//設(shè)置進(jìn)度條 //tempProgressBar.Refresh(); //tempProgressBar.Visible = true; //tempProgressBar.Minimum=1; //tempProgressBar.Maximum=dgv.RowCount; //tempProgressBar.Step=1; //向Excel中逐行逐列寫入表格中的數(shù)據(jù) for (int row = 0; row <= dgv.RowCount - 1; row++){//tempProgressBar.PerformStep();
displayColumnsCount = 1;for (int col = 0; col < colscount; col++){if (dgv.Columns[col].Visible == true){try{objExcel.Cells[row + 2, displayColumnsCount] = dgv.Rows[row].Cells[col].Value.ToString().Trim();displayColumnsCount++;}catch (Exception){}}}}//隱藏進(jìn)度條 //tempProgressBar.Visible = false; //保存文件
objWorkbook.SaveAs(fileNameString, Missing.Value, Missing.Value, Missing.Value, Missing.Value,Missing.Value, Excel.XlSaveAsAccessMode.xlShared, Missing.Value, Missing.Value, Missing.Value,Missing.Value, Missing.Value);}catch (Exception error){//DataGridViewToExcel_CSV(dgv);MessageBox.Show(error.Message, "警告 ", MessageBoxButtons.OK, MessageBoxIcon.Warning);return;}finally{//關(guān)閉Excel應(yīng)用 if (objWorkbook != null) objWorkbook.Close(Missing.Value, Missing.Value, Missing.Value);if (objExcel.Workbooks != null) objExcel.Workbooks.Close();if (objExcel != null) objExcel.Quit();objsheet = null;objWorkbook = null;objExcel = null;}MessageBox.Show(fileNameString + "/n/n導(dǎo)出完畢! ", "提示 ", MessageBoxButtons.OK, MessageBoxIcon.Information);}#endregion#region ini文件讀寫/// <summary>/// ini文件讀寫/// </summary>/// <param name="lpAppName"></param>/// <param name="lpKeyName"></param>/// <param name="lpDefault"></param>/// <param name="lpReturnedString"></param>/// <param name="nSize"></param>/// <param name="lpFileName"></param>/// <returns></returns>[DllImport("kernel32.dll")]private static extern uint GetPrivateProfileString(string lpAppName,string lpKeyName,string lpDefault,StringBuilder lpReturnedString,int nSize,string lpFileName);[DllImport("kernel32.dll")]private static extern uint WritePrivateProfileString(string lpappName,string lpKeyName,string lpstring,string lpFileName);public string ReadINI(string a1, string a2) //讀取配置文件
{StringBuilder buff = new StringBuilder(256);GetPrivateProfileString(a1, a2, "", buff, 256, System.Windows.Forms.Application.StartupPath + "\\Config.dll");return buff.ToString().Trim();}public string WriteINI(string w1, string w2, string w3) //寫入配置文件
{long success = WritePrivateProfileString(w1, w2, w3, System.Windows.Forms.Application.StartupPath + "\\Config.dll");return success.ToString();}#endregion #region 字符串截取/// <summary>/// str為要進(jìn)行截取的字符串,start是第一個(gè)關(guān)鍵字(字符串),last是第二個(gè)關(guān)鍵字(字符串),n截取字符串方式 /// </summary>/// <param name="str">tr為要進(jìn)行截取的字符串</param>/// <param name="start">start是第一個(gè)關(guān)鍵字(字符串)</param>/// <param name="last">last是第二個(gè)關(guān)鍵字(字符串)</param>/// <param name="n">n截取字符串方式 </param>/// <returns>string</returns>public string GetContent(string str, string start, string last, int n){if (str.ToLower().IndexOf(start.ToLower()) >= 0){if (str.ToLower().IndexOf(last.ToLower()) > 0){switch (n){//左右都截取（都取前面）（包含關(guān)鍵字） case 1: str = str.Substring(str.ToLower().IndexOf(start.ToLower()), str.Length - str.ToLower().IndexOf(start.ToLower()));str = str.Substring(0, str.ToLower().IndexOf(last.ToLower()) + last.Length); break;//左右都截取（都取前面）（去除關(guān)鍵字） case 2: str = str.Substring(str.ToLower().IndexOf(start.ToLower()) + start.Length, str.Length - str.ToLower().IndexOf(start.ToLower()) - start.Length);str = str.Substring(0, str.ToLower().IndexOf(last.ToLower())); break;//左右都截取（都取后面）（包含關(guān)鍵字） case 3: str = str.Substring(str.ToLower().LastIndexOf(start.ToLower()), str.Length - str.ToLower().LastIndexOf(start.ToLower()));str = str.Substring(0, str.ToLower().LastIndexOf(last.ToLower()) + last.Length); break;//左右都截取（都取后面）（去除關(guān)鍵字） case 4: str = str.Substring(str.ToLower().LastIndexOf(start.ToLower()) + start.Length, str.Length - str.ToLower().LastIndexOf(start.ToLower()) - start.Length);str = str.Substring(0, str.ToLower().LastIndexOf(last.ToLower())); break;//左右都截取（一前一后）（包含關(guān)鍵字） case 5: str = str.Substring(str.ToLower().IndexOf(start.ToLower()), str.Length - str.ToLower().IndexOf(start.ToLower()));str = str.Substring(0, str.ToLower().LastIndexOf(last.ToLower()) + last.Length); break;//左右都截取（一前一后）（去除關(guān)鍵字） case 6: str = str.Substring(str.ToLower().IndexOf(start.ToLower()) + start.Length, str.Length - str.ToLower().IndexOf(start.ToLower()) - start.Length);str = str.Substring(0, str.ToLower().LastIndexOf(last.ToLower())); break;default: str = "Error str"; break;}}else{switch (n){//只往左截取（取前面的）（包含關(guān)鍵字） case 7: str = str.Substring(0, str.ToLower().IndexOf(start.ToLower()) + start.Length); break;//只往左截取（取前面的）（去除關(guān)鍵字） case 8: str = str.Substring(0, str.ToLower().IndexOf(start.ToLower())); break;//只往左截取（取后面的）（包含關(guān)鍵字） case 9: str = str.Substring(0, str.ToLower().LastIndexOf(start.ToLower()) + start.Length); break;//只往左截取（取后面的）（去除關(guān)鍵字） case 10: str = str.Substring(0, str.ToLower().LastIndexOf(start.ToLower())); break;//只往右截取（取前面的）（包含關(guān)鍵字） case 11: str = str.Substring(str.ToLower().IndexOf(start.ToLower()), str.Length - str.ToLower().IndexOf(start.ToLower())); break;//只往右截取（取前面的）（去除關(guān)鍵字） case 12: str = str.Substring(str.ToLower().IndexOf(start.ToLower()) + start.Length, str.Length - str.ToLower().IndexOf(start.ToLower()) - start.Length); break;//只往右截取（取后面的）（包含關(guān)鍵字） case 13: str = str.Substring(str.ToLower().LastIndexOf(start.ToLower()), str.Length - str.ToLower().LastIndexOf(start.ToLower())); break;//只往右截取（取后面的）（去除關(guān)鍵字） case 14: str = str.Substring(str.ToLower().LastIndexOf(start.ToLower()) + start.Length, str.Length - str.ToLower().LastIndexOf(start.ToLower()) - start.Length); break;default: str = "Error str"; break;}}}else{str = "Error str";}return str;}#endregion#region SQL 端口狀態(tài)檢測/// <summary>/// SQL 端口狀態(tài)監(jiān)測/// </summary>/// <param name="ip">IP</param>/// <param name="port">端口號</param>/// <returns>boolean</returns>public Boolean PortState(string ip, string port){if (ToDBC(ip) == "."){ip = "127.0.0.1";}Boolean state;bool tcpListen = false;bool udpListen = false;//設(shè)定端口狀態(tài)標(biāo)識位 System.Net.IPAddress myIpAddress = null; //字符串轉(zhuǎn)換為IP地址System.Net.IPEndPoint myIpEndPoint = null;try{myIpAddress = IPAddress.Parse(ToDBC(ip));}catch (System.Exception ex){MessageBox.Show(ex.Message);return false;}try{myIpEndPoint = new IPEndPoint(myIpAddress, int.Parse(port));System.Net.Sockets.TcpClient tcpClient = new TcpClient();tcpClient.Connect(myIpEndPoint);//對遠(yuǎn)程計(jì)算機(jī)的指定端口提出TCP連接請求//tcpListen = tcpClient.Connected.Equals(true);tcpListen = true;}catch (Exception ex){MessageBox.Show(ex.Message);return false;}try{System.Net.Sockets.UdpClient udpClient = new UdpClient();udpClient.Connect(myIpEndPoint);//對遠(yuǎn)程計(jì)算機(jī)的指定端口提出UDP連接請求udpListen = true;}catch (Exception ex){MessageBox.Show(ex.Message);return false;}if (tcpListen == true && udpListen == true){state = true;}else{state = false;}return state;}#endregion}
}
?
百度到的，自己整理了一下！
轉(zhuǎn)載于:https://www.cnblogs.com/xiyueD/p/3727744.html
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