unity调用win系统弹框_unity怎么弹出windows窗口

在win平台调用系统弹框

引用外部库

using System
using System.Runtime.InteropServices
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 [DllImport("User32.dll", SetLastError = true, ThrowOnUnmappableChar = true, CharSet = CharSet.Auto)]
    public static extern int Message(IntPtr handle, String message, String title, int type);
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调用
在需要使用的脚本中调用 上述 Message 方法即可
例如 ：Message (IntPtr.Zero, “弹框内容”, “确认”, 0);

选择文件夹

using System;
using System.Collections;
using System.Collections.Generic;
using System.Runtime.InteropServices;
using UnityEngine;

public class OpenFileToCK : MonoBehaviour
{

    public void Open()
    {
        OpenDialogDir openDir = new OpenDialogDir();
        openDir.pszDisplayName = new string(new char[2000]);
        openDir.lpszTitle = "文件夹选择";
        openDir.ulFlags = 1;// BIF_NEWDIALOGSTYLE | BIF_EDITBOX;
        IntPtr pidl = DllOpenFileDialog.SHBrowseForFolder(openDir);

        char[] path = new char[2000];
        for (int i = 0; i < 2000; i++)
            path[i] = '\0';
        if (DllOpenFileDialog.SHGetPathFromIDList(pidl, path))
        {
            string str = new string(path);
            string DirPath = str.Substring(0, str.IndexOf('\0'));
            Debug.Log("路径" + DirPath);
        }
    }
    private void DownLoadXls(string url ,string localPath)
    {
        HttpDldFile httpDldFile = new HttpDldFile();
        StartCoroutine(httpDldFile.DownLoadEnum(url, localPath));
    }
}

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Auto)]
public class OpenDialogFile
{
    public int structSize = 0;
    public IntPtr dlgOwner = IntPtr.Zero;
    public IntPtr instance = IntPtr.Zero;
    public String filter = null;
    public String customFilter = null;
    public int maxCustFilter = 0;
    public int filterIndex = 0;
    public String file = null;
    public int maxFile = 0;
    public String fileTitle = null;
    public int maxFileTitle = 0;
    public String initialDir = null;
    public String title = null;
    public int flags = 0;
    public short fileOffset = 0;
    public short fileExtension = 0;
    public String defExt = null;
    public IntPtr custData = IntPtr.Zero;
    public IntPtr hook = IntPtr.Zero;
    public String templateName = null;
    public IntPtr reservedPtr = IntPtr.Zero;
    public int reservedInt = 0;
    public int flagsEx = 0;
}
[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Auto)]
public class OpenDialogDir
{
    public IntPtr hwndOwner = IntPtr.Zero;
    public IntPtr pidlRoot = IntPtr.Zero;
    public String pszDisplayName = "123";
    public String lpszTitle = null;
    public UInt32 ulFlags = 0;
    public IntPtr lpfn = IntPtr.Zero;
    public IntPtr lParam = IntPtr.Zero;
    public int iImage = 0;
}
public class DllOpenFileDialog
{
    [DllImport("Comdlg32.dll", SetLastError = true, ThrowOnUnmappableChar = true, CharSet = CharSet.Auto)]
    public static extern bool GetOpenFileName([In, Out] OpenDialogFile ofn);

    [DllImport("Comdlg32.dll", SetLastError = true, ThrowOnUnmappableChar = true, CharSet = CharSet.Auto)]
    public static extern bool GetSaveFileName([In, Out] OpenDialogFile ofn);

    [DllImport("shell32.dll", SetLastError = true, ThrowOnUnmappableChar = true, CharSet = CharSet.Auto)]
    public static extern IntPtr SHBrowseForFolder([In, Out] OpenDialogDir ofn);

    [DllImport("shell32.dll", SetLastError = true, ThrowOnUnmappableChar = true, CharSet = CharSet.Auto)]
    public static extern bool SHGetPathFromIDList([In] IntPtr pidl, [In, Out] char[] fileName);
}
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选择文件

using UnityEngine;
using System.Collections;
using System;
using System.Runtime.InteropServices;

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Auto)]
public class OpenFileName
{
    public int structSize = 0;
    public IntPtr dlgOwner = IntPtr.Zero;
    public IntPtr instance = IntPtr.Zero;
    public String filter = null;
    public String customFilter = null;
    public int maxCustFilter = 0;
    public int filterIndex = 0;
    public String file = null;
    public int maxFile = 0;
    public String fileTitle = null;
    public int maxFileTitle = 0;
    public String initialDir = null;
    public String title = null;
    public int flags = 0;
    public short fileOffset = 0;
    public short fileExtension = 0;
    public String defExt = null;
    public IntPtr custData = IntPtr.Zero;
    public IntPtr hook = IntPtr.Zero;
    public String templateName = null;
    public IntPtr reservedPtr = IntPtr.Zero;
    public int reservedInt = 0;
    public int flagsEx = 0;
}
public class LocalDialog
{
    [DllImport("Comdlg32.dll", SetLastError = true, ThrowOnUnmappableChar = true, CharSet = CharSet.Auto)]
    public static extern bool GetOpenFileName([In, Out] OpenFileName ofn);
    public static bool GetOFN([In, Out] OpenFileName ofn)
    {
        return GetOpenFileName(ofn);
    }

    [DllImport("Comdlg32.dll", SetLastError = true, ThrowOnUnmappableChar = true, CharSet = CharSet.Auto)]
    public static extern bool GetSaveFileName([In, Out] OpenFileName ofn);
    public static bool GetSFN([In, Out] OpenFileName ofn)
    {
        return GetSaveFileName(ofn);
    }
}
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private void Open()
    {
        OpenFileName openFileName = new OpenFileName();
        openFileName.structSize = Marshal.SizeOf(openFileName);
        openFileName.filter = "ALL(*)\0*";
        openFileName.file = new string(new char[256]);
        openFileName.maxFile = openFileName.file.Length;
        openFileName.fileTitle = new string(new char[64]);
        openFileName.maxFileTitle = openFileName.fileTitle.Length;
        //默认路径 可根据自己的需求修改
        openFileName.initialDir = Application.streamingAssetsPath.Replace('/', '\\');
        openFileName.title = "文件选择";
        openFileName.flags = 0x00080000 | 0x00001000 | 0x00000800 | 0x00000008;

        if (LocalDialog.GetSaveFileName(openFileName))
        {
           //Debug.Log(openFileName.file);
           //Debug.Log(openFileName.fileTitle);
        }
    }
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