C#/JS 获取二维数组组合

C#获取二维数组组合

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
 
namespace HF.SHOP.WebSite
{
    public partial class Demo : System.Web.UI.Page
    {
 
        List<List<string>> P_StringLL = new List<List<string>>();
        List<string> P_tmpStrL = new List<string>();
 
        protected void Page_Load(object sender, EventArgs e)
        {
            List<string> al = new List<string>();
            al.Add("红色");
            al.Add("黑色");
            al.Add("紫色");
            al.Add("白色");
            P_StringLL.Add(al);
 
            al = new List<string>();
            al.Add("小号");
            al.Add("中号");
            al.Add("大号");
            al.Add("加大号");
            P_StringLL.Add(al);
 
            al = new List<string>();
            al.Add("男同志");
            al.Add("女同志");
 
            P_StringLL.Add(al);
 
            GroupArray("", P_StringLL, 0);
 
            StringBuilder sb = new StringBuilder();
 
            foreach (string  str in P_tmpStrL)
            {
                sb.AppendLine(str + "<br/>");
            }
 
            Label1.Text = "总共有：" + P_tmpStrL.Count.ToString() + "种组合";
            Label2.Text = sb.ToString();
        }
 
        //组合计算
        void GroupArray(string tmpStr, List<List<string>> strLL, int index)
        {
            int count = strLL.Count;
 
            if (count <= index)
            {
                if (tmpStr.Length > 0)
                {
                    P_tmpStrL.Add(tmpStr);
                }
 
                return;
            }
 
            List<string> strL = strLL[index];
 
            foreach (string str in strL)
            {
                GroupArray(tmpStr + str, strLL, index + 1);
            }
 
        }
    }
}

JS代码：

<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="Demo.aspx.cs" Inherits="HF.SHOP.WebSite.Demo" %>
 
<!DOCTYPE html>
 
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
    <title></title>
    <script src="UIResources/scripts/jquery.min.2.0.0.js"></script>
</head>
<body>
    <form id="form1" runat="server">
    <div>
        <asp:Label ID="Label1" runat="server" Text=""></asp:Label><br />
        <asp:Label ID="Label2" runat="server" Text=""></asp:Label>
         
        <div id="cou"></div>
        <ul id="list">
 
        </ul>
    </div>
    </form>
 
    <script type="text/javascript">
 
        var array = [['红色', '黑色', '白色'], ['小号', '中号', '加大'], ['男', '女']];
        var results = new Array();　//创建一个数组
        var len = array.length;
        var indexs = {};
 
 
        $(document).ready(function () {
            GetResults(-1);
 
            $("#cou").html("共有" + results.length + "种组合；<br/>");
            for (var a = 0; a < results.length; a++)
            {
                $("#list").append("<li>" + results[a] + "</li>");
            }
        });
 
        function GetResults(start) {
            start++;
            if (start > len - 1) {
                return;
            }
            if (!indexs[start]) {
                indexs[start] = 0;
            }
            if (!(array[start] instanceof Array)) {
                array[start] = [array[start]];
            }
            for (indexs[start] = 0; indexs[start] < array[start].length; indexs[start]++) {
                GetResults(start);
                if (start == len - 1) {
                    var temp = [];
                    for (var i = len - 1; i >= 0; i--) {
                        if (!(array[start - i] instanceof Array)) {
                            array[start - i] = [array[start - i]];
                        }
                        temp.push(array[start - i][indexs[start - i]]);
                    }
                    results.push(temp);
                }
            }
 
        }
    </script>
</body>
</html>