C#各种辅助类收集(CSharpCommonHelper)
1.IOHelper(FileHelper)
2.XmlHelper
3.DBHelper
4.IISHelper
5.OSHelper(WindowsHelper)
6.SqlserverHelper
View Code
using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Data; using System.Data.SqlClient; using System.IO; namespace WindowsDeploy.Helpers { public static class SqlServerHelper { public static int ExcuteNonQuery(string conStr, string sqlStr) { SqlConnection con = new SqlConnection(conStr); try { con.Open(); SqlCommand cmd = new SqlCommand(sqlStr, con); cmd.CommandType = CommandType.Text; return cmd.ExecuteNonQuery(); } catch (Exception ex) { return -1; } finally { con.Close(); } } public static int ExcuteNonQuery(string conStr, string sqlStr, CommandType type, params SqlParameter[] param) { SqlConnection con = new SqlConnection(conStr); try { con.Open(); SqlCommand cmd = new SqlCommand(sqlStr, con); cmd.CommandType = type; foreach (SqlParameter p in param) { cmd.Parameters.Add(p); } return cmd.ExecuteNonQuery(); } catch (Exception ex) { return -1; } finally { con.Close(); } } /// <summary> /// 还原数据库文件 /// </summary> /// <param name="filePath">数据库备份文件名称路径</param> /// <param name="databaseName">需要还原的数据库名称</param> /// <param name="conStr">数据库连接</param> /// <returns></returns> public static bool RestoreDataBase(string filePath, string databaseName, string conStr) { string fileName = filePath.Split('\\')[filePath.Split('\\').Length-1]; string basePath=filePath.Replace(fileName,""); SqlConnection conn = new SqlConnection(conStr); SqlCommand command = null; try { string restoreStr = string.Empty; string getLogicFileName = string.Format("restore filelistonly from disk ='{0}'", filePath); DataSet ds = new DataSet(); SqlDataAdapter da = new SqlDataAdapter(getLogicFileName, conn); da.Fill(ds); if (ds.Tables == null || ds.Tables[0].Rows.Count == 0) return false; foreach (DataRow dr in ds.Tables[0].Rows) { //查找数据库逻辑文件名称 if ("D".Equals(dr["Type"].ToString())) restoreStr += string.Format("move '{0}' to '{1}',", dr["LogicalName"].ToString(), Path.Combine(basePath, databaseName) + "_Data.mdf"); //查找数据库日志文件名称 else if ("L".Equals(dr["Type"].ToString())) restoreStr += string.Format("move '{0}' to '{1}',", dr["LogicalName"].ToString(), Path.Combine(basePath, databaseName) + "_Log.ldf"); } if (string.IsNullOrEmpty(restoreStr)) restoreStr = string.Format("restore database {0} from disk ='{1}'", databaseName, Path.Combine(basePath, fileName)); else { restoreStr = string.Format("restore database {0} from disk ='{1}' with replace,", databaseName, Path.Combine(basePath, fileName)) + restoreStr.TrimEnd(','); } command = new SqlCommand(restoreStr, conn); conn.Open(); command.ExecuteNonQuery(); return true; } catch (Exception ex) { return false; } finally { conn.Close(); } } } }
7.AppConfigHelper
View Code
using System; using System.Collections.Generic; using System.Configuration; using System.Text; using log4net; namespace xt { public class AppConfigHelper { private static ILog log = LogManager.GetLogger(typeof (AppConfigHelper)); public static int? Get(string key, int? defaultValue) { string s = ConfigurationManager.AppSettings[key]; if (string.IsNullOrEmpty(s)) { log.WarnFormat("The key {1} is not configured, using default: {0}", defaultValue, key); } else { int v; if (!int.TryParse(s, out v)) { log.WarnFormat("The key {1} is not properly configured, using default: {0}", defaultValue, key); } else { defaultValue = v; log.InfoFormat("Get: {0}={1}", key, defaultValue); } } return defaultValue; } public static bool? Get(string key, bool? defaultValue) { string s = ConfigurationManager.AppSettings[key]; if (string.IsNullOrEmpty(s)) { log.WarnFormat("The key {1} is not configured, using default: {0}", defaultValue, key); } else { bool v; if (!bool.TryParse(s, out v)) { log.WarnFormat("The key {1} is not properly configured, using default: {0}", defaultValue, key); } else { defaultValue = v; log.InfoFormat("Get: {0}={1}", key, defaultValue); } } return defaultValue; } public static T GetEnum<T>(string key, T defaultValue) { string s = ConfigurationManager.AppSettings[key]; if (string.IsNullOrEmpty(s)) { log.WarnFormat("The key {1} is not configured, using default: {0}", defaultValue, key); return defaultValue; } else { T v = (T) Enum.Parse(typeof (T), s); log.InfoFormat("Get: {0}={1}", key, defaultValue); return v; } } public static string Get(string key, string defaultValue) { string s = ConfigurationManager.AppSettings[key]; if (string.IsNullOrEmpty(s)) { log.WarnFormat("The key {1} is not configured, using default: {0}", defaultValue, key); return defaultValue; } log.InfoFormat("Get: {0}={1}", key, s); return s; } public static DateTime Get(string key, DateTime defaultValue) { string s = ConfigurationManager.AppSettings[key]; if (string.IsNullOrEmpty(s)) { log.WarnFormat("The key {1} is not configured, using default: {0}", defaultValue, key); return defaultValue; } DateTime result; if(!DateTime.TryParse(s, out result)) { log.WarnFormat("The key {0} is not properly configured, using default: {1} isntead of {3}", key, defaultValue, s); return defaultValue; } log.InfoFormat("Get: {0}={1}", key, s); return result; } public static TimeSpan Get(string key, TimeSpan defaultValue) { string s = ConfigurationManager.AppSettings[key]; if (string.IsNullOrEmpty(s)) { log.WarnFormat("The key {1} is not configured, using default: {0}", defaultValue, key); return defaultValue; } TimeSpan result; if (!TimeSpan.TryParse(s, out result)) { log.WarnFormat("The key {0} is not properly configured, using default: {1} isntead of {3}", key, defaultValue, s); return defaultValue; } log.InfoFormat("Get: {0}={1}", key, s); return result; } }
陆续更新中。。。