C# 泛型List随机排列代码,CSharp代码库,德仔网

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【CSharp】 C# 泛型List随机排列

作者:Dezai.CN / 发布于2011/11/17/ 775

<div><span style="color: blue">public static </span><span style="color: rgb(43,145,175)">List</span><T> GetRandomList<T>(<span style="color: rgb(43,145,175)">List</span><T> inputList)
{
 <span style="color: green">//Copy to a array
</span>T[] copyArray = <span style="color: blue">new </span>T[inputList.Count];
 inputList.CopyTo(copyArray);

 <span style="color: green">//Add range
 </span><span style="color: rgb(43,145,175)">List</span><T> copyList = <span style="color: blue">new </span><span style="color: rgb(43,145,175)">List</span><T>();
 copyList.AddRange(copyArray);

 <span style="color: green">//Set outputList and random
 </span><span style="color: rgb(43,145,175)">List</span><T> outputList = <span style="color: blue">new </span><span style="color: rgb(43,145,175)">List</span><T>();
 <span style="color: rgb(43,145,175)">Random </span>rd = <span style="color: blue">new </span><span style="color: rgb(43,145,175)">Random</span>(<span style="color: rgb(43,145,175)">DateTime</span>.Now.Millisecond);

 <span style="color: blue">while </span>(copyList.Count > 0)
 {
 <span style="color: green">//Select an index and item
 </span><span style="color: blue">int </span>rdIndex = rd.Next(0, copyList.Count - 1);
 T remove = copyList[rdIndex];

 <span style="color: green">//remove it from copyList and add it to output
 </span>copyList.Remove(remove);
 outputList.Add(remove);
 }
 <span style="color: blue">return </span>outputList;
}

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　随机排列　

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