C#获取或设置本地打印机及配置⽂件操作using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Configuration;
using System.Drawing.Printing;
using System.Runtime.InteropServices;
using System.Drawing;
namespace Demo
{
public class SettingConfiguration
{
[DllImport("winspool.drv")]
public static extern bool SetDefaultPrinter(String Name); //调⽤WinAPI将指定名称的打印机设置为默认打印机
private static PrintDocument fPrintDocument = new PrintDocument();
///<summary>
///获取本机默认打印机名称
///</summary>
public static string DefaultPrinter
{
get
{
return fPrintDocument.PrinterSettings.PrinterName;
}
}
private static string printerName = DefaultPrinter;
///<summary>
///获取或设置打印机，默认获取本机默认打印机
///</summary>
public static string PrinterName
{
get { return printerName; }
set { printerName = value; }
}
///<summary>
///获取本机的打印机列表。列表中的第⼀项就是默认打印机。
///</summary>
public static List<String> GetLocalPrinters()
{
try
{
List<String> fPrinters = new List<string>();
fPrinters.Add(DefaultPrinter); // 默认打印机始终出现在列表的第⼀项
foreach (String fPrinterName in PrinterSettings.InstalledPrinters)
{
if (!fPrinters.Contains(fPrinterName))
fPrinters.Add(fPrinterName);
}
return fPrinters;
}
catch (Exception ex)
{
throw ex;
}
}
/
//<summary>
///获取指定节点的配置信息
///</summary>
///<param name="configName"></param>
///<returns></returns>
public static string GetConfiguration(string configName)
{
string configVaule = ConfigurationManager.AppSettings[configName];
if (configVaule != null && configVaule != "")
{
return configVaule.ToString();
}
return"";
}
///<summary>
///判断是否存在节点
///</summary>
///<param name="configName"></param>
///<returns></returns>
public static bool ConfigExists(string configName)
{
string configVaule = ConfigurationManager.AppSettings[configName];
if (configVaule == null)
{
return false;
}
return true;
}
///<summary>
///移除指定的 fig 节点
///</summary>
///<param name="configName"></param>
public static void RemoveConfigurationNode(string configName)
{
try
{
ConfigurationManager.AppSettings.Remove(configName);
ConfigurationManager.RefreshSection("appSettings");// 刷新命名节，在下次检索它时将从磁盘重新读取它。
}
catch (Exception ex)
{
throw ex;
}
}
///<summary>
///
///</summary>
///<param name="SetModel">Add/set</param>
///<param name="key"></param>
///<param name="value"></param>
public static void SetConfiguration(string key, string value)
{
try
{
//更新配置⽂件：
Configuration config = ConfigurationManager.OpenExeConfiguration(ConfigurationUserLevel.None);
bool setModel = ConfigExists(key);
if (setModel)
{
//config.AppSettings.Settings.Remove(key);
////添加
//config.AppSettings.Settings.Add(key, value);
//修改
config.AppSettings.Settings[key].Value = value;
}
else
{
//添加
config.AppSettings.Settings.Add(key, value);
}
//最后调⽤
config.Save(ConfigurationSaveMode.Modified);
//当前的配置⽂件更新成功。
ConfigurationManager.RefreshSection("appSettings");// 刷新命名节，在下次检索它时将从磁盘重新读取它。记住应⽤程序要刷新节点            }
catch (Exception ex)
{
throw ex;
}
}
public static string GetAppPath()
{
try
{
string appPath = System.Windows.Forms.Application.StartupPath.ToLower();
appPath = appPath.Replace("\\Debug", "");
appPath = appPath.Replace("\\Release", "");
appPath = appPath.Replace("bin", "");
return appPath;
}
catch (Exception)
{
throw;
}
}
///<summary>
///实现byte[]转换成⼗六进制String
///</summary>
///<param name="arrByte"></param>
///<returns></returns>
public static string ByteToString(byte[] arrByte)
{
StringBuilder sb = new StringBuilder();
foreach (byte by in arrByte)
{
sb.Append(by > 15 ? Convert.ToString(by, 16) : '0' + Convert.ToString(by, 16));
}
return sb.ToString();
}
///<summary>
///时间戳转为C#格式时间
/
//</summary>
///<param name="timeStamp">Unix时间戳格式</param>
///<returns>C#格式时间</returns>
public static DateTime GetTime(string timeStamp)
{
DateTime dtStart = TimeZone.CurrentTimeZone.ToLocalTime(new DateTime(1970, 1, 1));
long lTime = long.Parse(timeStamp + "0000000");
TimeSpan toNow = new TimeSpan(lTime);
return dtStart.Add(toNow);
}
///<summary>
/
// DateTime时间格式转换为Unix时间戳格式
///</summary>
///<param name="time"> DateTime时间格式</param>
///<returns>Unix时间戳格式</returns>
public static int ConvertDateTimeInt(System.DateTime time)
{
generic是什么牌子打印机
System.DateTime startTime = TimeZone.CurrentTimeZone.ToLocalTime(new System.DateTime(1970, 1, 1));
return (int)(time - startTime).TotalSeconds;
}
///<summary>
///
///</summary>
///<param name="value"></param>
///<returns></returns>
public static int ConvertString16ToNumber(string value)
{
return Int32.Parse(value, System.Globalization.NumberStyles.HexNumber);
}
///<summary>
///分割字符串
///</summary>
///<param name="strOld"></param>
/
//<param name="splitChar"></param>
///<returns></returns>
public static string[] SplitValue(string strOld, char splitChar)
{
try
{
string[] strNew = strOld.Split(splitChar);
return strNew;
}
catch (Exception)
{
throw;
}
}
}
}

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