• C#初始化数组的三种方式


    C#声明数组并初始化,有三种方式。

    对于一维数组:

    using System;
    using System.Data;
    using System.Configuration;
    using System.Web;
    using System.Web.Security;
    using System.Web.UI;
    using System.Web.UI.WebControls;
    using System.Web.UI.WebControls.WebParts;
    using System.Web.UI.HtmlControls;

    public partial class _Default : System.Web.UI.Page 
    {
        protected void Page_Load(object sender, EventArgs e)
        {
            string[] arrayA = { "Shirdrn", "Hamtty", "Saxery" };
            Response.Write("<b>第一种声明数组并初始化的方法:</b><br>");
            for (int i = 0; i < arrayA.Length;i++ )
            {
                string arr = arrayA[i];
                Response.Write("arrayA[" + i + "] = " + arr + "<br>");
            }

            string[] arrayB ;
            arrayB = new string[3]{ "shirdrn", "Hamtty", "Saxery" };
            Response.Write("<b>第二种声明数组并初始化的方法:</b><br>");
            for (int i = 0; i < arrayB.Length; i++)
            {
                string arr = arrayB[i];
                Response.Write("arrayB[" + i + "] = " + arr + "<br>");
            }

            string[] arrayC = new string[3];
            arrayC[0] = "Shirdrn";
            arrayC[1] = "Hamtty";
            arrayC[2] = "Saxery";
            Response.Write("<b>第三种声明数组并初始化的方法:</b><br>");
            for (int i = 0; i < arrayC.Length; i++)
            {
                string arr = arrayC[i];
                Response.Write("arrayC["+i+"] = "+arr + "<br>");
            }    
        }
    }

    对于多维数组(以二维数组为例):

    using System;
    using System.Data;
    using System.Configuration;
    using System.Web;
    using System.Web.Security;
    using System.Web.UI;
    using System.Web.UI.WebControls;
    using System.Web.UI.WebControls.WebParts;
    using System.Web.UI.HtmlControls;

    public partial class _Default : System.Web.UI.Page 
    {
        protected void Page_Load(object sender, EventArgs e)
        {
            string[,] multiArrayA = { { "Shirdrn", "Hamtty", "Tuuty" }, { "New York", "Beijing", "Shanghai" } };
            Response.Write("<b>第一种声明数组并初始化的方法:</b><br>");
            for (int i = 0; i < multiArrayA.Rank; i++)
            {
                for (int j = 0; j <= multiArrayA.GetUpperBound(multiArrayA.Rank-1);j++ )
                {
                    string arr = multiArrayA[i,j];
                    Response.Write("multiArrayA[" + i + "]["+j+"] = " + arr + "<br>");
                }
            }

            string[,] multiArrayB = new string[2,3]{ { "Shirdrn", "Hamtty", "Tuuty" }, { "New York", "Beijing", "Shanghai" } };
            Response.Write("<b>第二种声明数组并初始化的方法:</b><br>");
            for (int i = 0; i < multiArrayB.Rank; i++)
            {
                for (int j = 0; j <= multiArrayB.GetUpperBound(multiArrayB.Rank - 1); j++)
                {
                    string arr = multiArrayA[i, j];
                    Response.Write("multiArrayB[" + i + "][" + j + "] = " + arr + "<br>");
                }
            }

            string[,] multiArrayC = new string[2, 3];
            multiArrayC[0,0] = "Shirdrn";
            multiArrayC[0,1] = "Hamtty";
            multiArrayC[0,2] = "Tuuty";
            multiArrayC[1,0] = "New York";
            multiArrayC[1,1] = "Beijing";
            multiArrayC[1,2] = "Shanghai";
            Response.Write("<b>第二种声明数组并初始化的方法:</b><br>");
            for (int i = 0; i < multiArrayC.Rank; i++)
            {
                for (int j = 0; j <= multiArrayC.GetUpperBound(multiArrayC.Rank - 1); j++)
                {
                    string arr = multiArrayA[i, j];
                    Response.Write("multiArrayC[" + i + "][" + j + "] = " + arr + "<br>");
                }
            }

        
        }
    }

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  • 原文地址:https://www.cnblogs.com/Alex80/p/5053346.html
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