vb.net数组sort vb6数组
VB.net 数组怎么按任意元素的顺序排序输出
你直接传一个数组进去，而且是一个结构体数组，array.sort怎么知道根据结构中的哪一个属性进行排序？放一个c#的代码你看看，VB和C#很相似的
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class Program
{
static void Main(string[] args)
{
People[] p = new People[3]
{
new People{name="张三"},
new People{name="李四"},
new People{name="张二名"}
};
//重点传一个实现了IComparer接口的类进去，告诉Array.Sort怎么排序
Array.Sort(p, new PeopleCompare());
foreach (var item in p)
{
Console.WriteLine(item.name);
}
Console.ReadKey();
}
}
//People结构体，换成类一样的
public struct People
{
public string name { get; set; }
}
//实现了IComparer接口的类
public class PeopleCompare : IComparer
{
public int Compare(object x, object y)
{
People p1 = (People)x ;
People p2 = (People)y;
return p1.name.CompareTo(p2.name);
}
}
VB.NET数组的排序法？
如果你是从vb6刚过渡上vb。net，建议还是用冒泡排序法，容易理解。
如果你正努力学习vb。net的方法，推荐一个例子如下：
Imports System
Imports System.Collections
Public Class SamplesArray
Public Class myReverserClass
Implements IComparer
' Calls CaseInsensitiveComparer.Compare with the parameters reversed.
Function Compare(x As Object, y As Object) As Integer _
Implements IComparer.Compare
Return New CaseInsensitiveComparer().Compare(y, x)
End Function 'IComparer.Compare
End Class 'myReverserClass
Public Shared Sub Main()
' Creates and initializes a new Array and a new custom comparer.
Dim myArr As [String]() = {"The", "QUICK", "BROWN", "FOX", "jumps", "over", "the", "lazy", "dog"}
Dim myComparer = New myReverserClass()
' Displays the values of the Array.
Console.WriteLine("The Array initially contains the following values:")
PrintIndexAndValues(myArr)
' Sorts a section of the Array using the default comparer.
Array.Sort(myArr, 1, 3)
Console.WriteLine("After sorting a section of the Array using the default comparer:")
PrintIndexAndValues(myArr)
' Sorts a section of the Array using the reverse case-insensitive comparer.
Array.Sort(myArr, 1, 3, myComparer)
Console.WriteLine("After sorting a section of the Array using the reverse case-insensitive comparer:")
PrintIndexAndValues(myArr)
' Sorts the entire Array using the default comparer.
Array.Sort(myArr)
Console.WriteLine("After sorting the entire Array using the default comparer:")
PrintIndexAndValues(myArr)
' Sorts the entire Array using the reverse case-insensitive comparer.
Array.Sort(myArr, myComparer)
Console.WriteLine("After sorting the entire Array using the reverse case-insensitive comparer:")
PrintIndexAndValues(myArr)
End Sub 'Main
Public Shared Sub PrintIndexAndValues(myArr() As [String])
Dim i As Integer
For i = 0 To myArr.Length - 1
Console.WriteLine(" [{0}] : {1}", i, myArr(i))
Next i
Console.WriteLine()
End Sub 'PrintIndexAndValues
End Class 'SamplesArray
'This code produces the following output.
'
'The Array initially contains the following values:
' [0] : The
' [1] : QUICK
' [2] : BROWN
' [3] : FOX
' [4] : jumps
' [5] : over
' [6] : the
' [7] : lazy
' [8] : dog
'
'After sorting a section of the Array using the default comparer:
' [0] : The
' [1] : BROWN
' [2] : FOX
' [3] : QUICK
' [4] : jumps
' [5] : over
' [6] : the
' [7] : lazy
' [8] : dog
'
'After sorting a section of the Array using the reverse case-insensitive comparer:
' [0] : The
' [1] : QUICK
' [2] : FOX
' [3] : BROWN
' [4] : jumps
' [5] : over
' [6] : the
' [7] : lazy
' [8] : dog
'
'After sorting the entire Array using the default comparer:
' [0] : BROWN
' [1] : dog
' [2] : FOX
' [3] : jumps
' [4] : lazy
' [5] : over
' [6] : QUICK
' [7] : the
' [8] : The
'
'After sorting the entire Array using the reverse case-insensitive comparer:
' [0] : the
' [1] : The
' [2] : QUICK
' [3] : over
' [4] : lazy
' [5] : jumps
' [6] : FOX
' [7] : dog
' [8] : BROWN
vb.net 数组中的重复项
我还在床上，就只给你思路吧
我是自己写了个函数，将数组传入并返回一个新数组列表
子函数中，先将数组排序sort函数，然后有两个循环，外循环从0到Length，变量i，内循环从i到Length，判断第i个数是否与包括自身的后续数相同，相同就有变量加1，内循环结束条件是找到第一个不同的数，并将外循环i复植为内循环中第一个不同的数的下表。。。
这个是思路，如果不能理解再再追加我给你代码，不过建议自己试试
你看写这个，和你的要求差不多。。。;oldq=1
有程序的~~~你可以参考下~~~
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