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>
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