[原创]C#调用Matlab中结构数组和单元数组的类型转换
关于C#调用Matlab的问题,zccbest已经在前面的帖子里面讲的很详细我只想在这里说下结构体和单元数组的类型转换问题。
Matlab的结构数组和C#是不同的,而Matlab的单元数组,C#没有,所以在Matlab程序中使用结构数组和单元数组作为输入和输出的时候,如何传化为C#的数据类型,就是一个值得探讨的问题,matlab提供了MWArray程序集可以处理这个问题:
下面是我写的一个m文件:
function = StructCellExample(a,b,c)
if nargin == 0
a.m = 1;
a.n = 2;
b ={rand(2),rand(2)};
c = 'Hello,World!';
end
x = a.m + a.n;
y = struct('p',cell(size(b)),'q',cell(size(b)));
for i =1 :length(b)
y(i).p = sum(b{i}(:));
y(i).q = max(b{i}(:));
end
z = fliplr(c);
用deploytool编译成dll,
程序集:SCtest
类:Demo
新建一个控制台应用程序,添加引用
然后编写C#代码:
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using MathWorks.MATLAB.NET.Arrays.native;
using SCtestNative;
namespace StructCellExample
{
class Program
{
static void Main(string[] args)
{
string[] mn = new string;
mn = "m";
mn = "n";
double[,] b1 = new double;
double[,] b2 = new double;
b1 = 2.3;
b1 = 1.1;
b1 = 1.5;
b1 = 2.9;
b2 = 1.4;
b2 = 2.8;
b2 = 3.1;
b2 = 4.4;
int[] ib1 = new int;
ib1 = 1;
ib1 = 1;
int[] ib2 = new int;
ib2 = 1;
ib2 = 2;
MWStructArray a = new MWStructArray(1, 1, mn);
a.SetField(mn, 1);
a.SetField(mn, 2);
MWCellArray b = new MWCellArray(1, 2);
b = b1;
b = b2;
string c = "Hello, World";
Demo MyTest = new Demo();
object[] xyz = MyTest.StructCellExample(3, a, b, c);
int[,] x = (int[,])xyz;
MWStructArray y = (MWStructArray)xyz;
string[] pq = y.FieldNames;
double[,] y1p = (double[,])y.GetField(pq, 1);
double[,] y1q = (double[,])y.GetField(pq, 1);
double[,] y2p = (double[,])y.GetField(pq, 2);
double[,] y2q = (double[,])y.GetField(pq, 2);
char[,] z = (char[,])xyz;
Console.WriteLine("程序运行完毕");
Console.WriteLine("输出第一个返回参数");
Console.WriteLine("a={0}", x);
Console.WriteLine("输出第二个返回参数");
Console.WriteLine("y(1).{0}={1}", pq, y1p);
Console.WriteLine("y(1).{0}={1}", pq, y1q);
Console.WriteLine("y(2).{0}={1}", pq, y2p);
Console.WriteLine("y(2).{0}={1}", pq, y2q);
Console.WriteLine("输出第三个返回参数");
foreach (char i in z)
Console.Write(i);
Console.WriteLine(System.Environment.NewLine);
}
}
}
运行:
你用的是哪个版本的VS?
我用的是VS2005
没有找到Microsoft.CSharp 2# ljelly
这个不需要的,只需要MWArray和生成的带native的,这两个程序集就可以了
我用的是VS2010 如果结构数组是一个包含子域的嵌套结构怎么办?该如何传递 本帖最后由 feynmand 于 2011-7-8 09:20 编辑
如果结构数组是一个包含子域的嵌套结构怎么办?该如何传递
feynmand 发表于 2011-6-29 17:10 http://forum.simwe.com/images/common/back.gif
之前对c#基本没有了解,所以在赋值的时候出现了些问题,然后这个嵌套数组的传递困扰我好几天。其实赋值也挺简单,先建立子结构数组,然后赋值给上层结构数组某一个域就可以了。示例代码如下:
MWStructArray option11 = null;
MWStructArray option22 = null;
MWStructArray para = null;
string[] myFieldNames = new string;
myFieldNames = "a";
myFieldNames = "b";
option11 = new MWStructArray(1, 1, myFieldNames);
option11["a", 1] = 5;
option11["b", 1] = 7;
string[] myFieldNames1 = new string;
myFieldNames1 = "c";
myFieldNames1 = "d";
option22 = new MWStructArray(1, 1, myFieldNames1);
option22["c", 1] = 5;
option22["d", 1] = 7;
string[] myFieldNames2 = new string;
myFieldNames2 = "option1";
myFieldNames2 = "option2";
para = new MWStructArray(1, 1, myFieldNames2);
para["option1", 1] = option11;
para["option2", 1] = option22;
MWArray output4 = demo.testfun3(para);
function x=testfun3(para)
x(1)=para.option1.a+para.option2.c
x(2)=para.option1.a+para.option2.d
x(3)=para.option1.a+para.option1.b
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