You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
|
|
using System; using System.Collections; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Diagnostics; using System.Linq; using System.Reflection; using System.Text;
namespace NFine.Code { /// <summary>
/// 常用公共类
/// </summary>
public class Common { #region Stopwatch计时器
/// <summary>
/// 计时器开始
/// </summary>
/// <returns></returns>
public static Stopwatch TimerStart() { Stopwatch watch = new Stopwatch(); watch.Reset(); watch.Start(); return watch; } /// <summary>
/// 计时器结束
/// </summary>
/// <param name="watch"></param>
/// <returns></returns>
public static string TimerEnd(Stopwatch watch) { watch.Stop(); double costtime = watch.ElapsedMilliseconds; return costtime.ToString(); } #endregion
#region 删除数组中的重复项
/// <summary>
/// 删除数组中的重复项
/// </summary>
/// <param name="values"></param>
/// <returns></returns>
public static string[] RemoveDup(string[] values) { List<string> list = new List<string>(); for (int i = 0; i < values.Length; i++)//遍历数组成员
{ if (!list.Contains(values[i])) { list.Add(values[i]); }; } return list.ToArray(); } #endregion
#region 自动生成编号
/// <summary>
/// 表示全局唯一标识符 (GUID)。
/// </summary>
/// <returns></returns>
public static string GuId() { return Guid.NewGuid().ToString(); } /// <summary>
/// 自动生成编号 201008251145409865
/// </summary>
/// <returns></returns>
public static string CreateNo() { Random random = new Random(); string strRandom = random.Next(1000, 10000).ToString(); //生成编号
string code = DateTime.Now.ToString("yyyyMMddHHmmss") + strRandom;//形如
return code; } #endregion
#region 生成0-9随机数
/// <summary>
/// 生成0-9随机数
/// </summary>
/// <param name="codeNum">生成长度</param>
/// <returns></returns>
public static string RndNum(int codeNum) { StringBuilder sb = new StringBuilder(codeNum); Random rand = new Random(); for (int i = 1; i < codeNum + 1; i++) { int t = rand.Next(9); sb.AppendFormat("{0}", t); } return sb.ToString();
} #endregion
#region 删除最后一个字符之后的字符
/// <summary>
/// 删除最后结尾的一个逗号
/// </summary>
public static string DelLastComma(string str) { return str.Substring(0, str.LastIndexOf(",")); } /// <summary>
/// 删除最后结尾的指定字符后的字符
/// </summary>
public static string DelLastChar(string str, string strchar) { return str.Substring(0, str.LastIndexOf(strchar)); } /// <summary>
/// 删除最后结尾的长度
/// </summary>
/// <param name="str"></param>
/// <param name="Length"></param>
/// <returns></returns>
public static string DelLastLength(string str, int Length) { if (string.IsNullOrEmpty(str)) return ""; str = str.Substring(0, str.Length - Length); return str; }
#endregion
}
public static class ConvertHelper { #region 文本转换
public static string ToStringExt(this object data) { return data == null ? string.Empty : data.ToString(); }
//public static string ToStringExt(this IConvertHelper convert, object data)
//{
// return ToStringExt(data);
//}
#endregion
} }
|