123 lines
3.7 KiB
C#
123 lines
3.7 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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namespace JinYuan.Helper
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{
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public class ArrayHelper
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{
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/// <summary>
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/// 判断两个数组的元素是否相等
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/// </summary>
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/// <param name="arr1"></param>
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/// <param name="arr2"></param>
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/// <returns></returns>
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public static bool Equal<T>(T[] arr1, T[] arr2)
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{
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bool res = false;
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if (arr1 == null || arr2 == null)
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{
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return res;
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}
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if (arr1.Length == arr2.Length)
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{
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res = true;
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for (int index = 0; index < arr1.Length; ++index)
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{
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if (!arr1[index].Equals(arr2[index]))
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{
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res = false;
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break;
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}
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}
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}
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return res;
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}
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/// <summary>
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/// 获取数组的子数组
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/// </summary>
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/// <typeparam name="T">类型</typeparam>
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/// <param name="arr">数组</param>
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/// <param name="startIndex">起始索引</param>
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/// <param name="length">长度</param>
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/// <returns></returns>
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public static T[] GetSubArray<T>(T[] arr, int startIndex, int length)
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{
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T[] res = new T[length];
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for (int index = 0; index < length; ++index)
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{
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res[index] = arr[startIndex + index];
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}
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return res;
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}
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/// <summary>
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/// 数组合并
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/// </summary>
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/// <typeparam name="T"></typeparam>
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/// <param name="t1"></param>
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/// <param name="t2"></param>
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/// <returns></returns>
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public static byte[] Combine(IEnumerable<byte[]> tList)
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{
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int allLength = 0;
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foreach (byte[] t in tList)
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{
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allLength += t.Length;
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}
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byte[] res = new byte[allLength];
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int lenIndex = 0;
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foreach (byte[] t in tList)
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{
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Array.Copy(t, 0, res, lenIndex, t.Length);
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lenIndex += t.Length;
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}
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return res;
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}
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/// <summary>
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/// 数组格式化输出字符串
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/// </summary>
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/// <param name="arr">待处理数据</param>
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/// <returns></returns>
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public static string ArrayFormatOutput<T>(T[] arr)
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{
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StringBuilder res = new StringBuilder();
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for (int index = 0; index < arr.Count() - 1; ++index)
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{
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res.Append(string.Format("{0}-", arr[index].ToString()));
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}
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if (arr.Count() - 1 > 0)
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{
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res.Append(arr[arr.Count() - 1]);
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}
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return res.ToString();
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}
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/// <summary>
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/// 数组格式化输出字符串
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/// </summary>
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/// <typeparam name="T"></typeparam>
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/// <param name="arr">待处理数据</param>
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/// <param name="offset">buffer 参数中开始发送数据的位置，该位置从零开始计数。</param>
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/// <param name="size">要发送的字节数。</param>
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/// <returns></returns>
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public static string ArrayFormatOutput<T>(T[] arr, int offset, int size)
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{
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StringBuilder res = new StringBuilder();
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for (int index = offset; index < size; ++index)
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{
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res.Append(string.Format("{0}-", arr[index].ToString()));
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}
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if (size - 1 > 0)
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{
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res.Append(arr[size]);
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}
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return res.ToString();
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}
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}
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}
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