loudixvmuniu/Assets/_Scripts/Framework/Utilities/FolderBrowserHelper.cs

using System;
using System.IO;
using System.Runtime.InteropServices;
using UnityEngine;
/*******************************************************************************
*Create By CG
*Function 
*******************************************************************************/
namespace CG.UTility
{
    [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 = null;
        public String lpszTitle = null;
        public UInt32 ulFlags = 0;
        public IntPtr lpfn = IntPtr.Zero;
        public IntPtr lParam = IntPtr.Zero;
        public int iImage = 0;
    }

    [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 FolderBrowserHelper
	{
        #region Window

        [DllImport("Comdlg32.dll", SetLastError = true, ThrowOnUnmappableChar = true, CharSet = CharSet.Auto)]
        private static extern bool GetOpenFileName([In, Out] OpenFileName ofn);

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

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

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

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

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

        #endregion

        public const string IMAGEFILTER = "ͼƬ<CDBC>ļ<EFBFBD>(*.jpg;*.png)\0*.jpg;*.png";
        public const string ALLFILTER = "<22><><EFBFBD><EFBFBD><EFBFBD>ļ<EFBFBD>(*.*)\0*.*";

        /// <summary>
        /// ѡ<><D1A1><EFBFBD>ļ<EFBFBD>
        /// </summary>
        /// <param name="callback"><3E><><EFBFBD><EFBFBD>ѡ<EFBFBD><D1A1><EFBFBD>ļ<EFBFBD><C4BC>е<EFBFBD>·<EFBFBD><C2B7></param>
        /// <param name="filter"><3E>ļ<EFBFBD><C4BC><EFBFBD><EFBFBD><EFBFBD>ɸѡ<C9B8><D1A1></param>
        public static void SelectFile(Action<string> callback, string filter = ALLFILTER)
        {
            try
            {
                OpenFileName openFileName = new OpenFileName();
                openFileName.structSize = Marshal.SizeOf(openFileName);
                // openFileName.initialDir = "<22><>ʼĿ¼"

                openFileName.filter = filter;
                openFileName.file = new string(new char[256]);
                openFileName.maxFile = openFileName.file.Length;
                openFileName.fileTitle = new string(new char[64]);
                openFileName.maxFileTitle = openFileName.fileTitle.Length;
                openFileName.title = "ѡ<><D1A1><EFBFBD>ļ<EFBFBD>";
                openFileName.flags = 0x00080000 | 0x00001000 | 0x00000800 | 0x00000008;
                if (GetSaveFileName(openFileName))
                {
                    string filepath = openFileName.file; //ѡ<><D1A1><EFBFBD><EFBFBD><EFBFBD>ļ<EFBFBD>·<EFBFBD><C2B7>;  
                    if (File.Exists(filepath))
                    {
                        if (callback != null)
                            callback(filepath);
                        return;
                    }
                }
            }
            catch (Exception e)
            {
                WDebug.LogError(e);
            }

            if (callback != null)
                callback(string.Empty);
        }

        /// <summary>
        /// <20><><EFBFBD><EFBFBD>WindowsExploer <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ѡ<EFBFBD>ļ<EFBFBD><C4BC><EFBFBD>·<EFBFBD><C2B7>
        /// </summary>
        /// <param name="dialogtitle"><3E>򿪶Ի<F2BFAAB6><D4BB><EFBFBD><EFBFBD>ı<EFBFBD><C4B1><EFBFBD></param>
        /// <returns><3E><>ѡ<EFBFBD>ļ<EFBFBD><C4BC><EFBFBD>·<EFBFBD><C2B7></returns>
#if UNITY_EDITOR || UNITY_STANDALONE
        public
#elif UNITY_WEBGL
        private
#endif
        static string GetPathFromWindowsExplorer(string dialogtitle = "<22><>ѡ<EFBFBD><D1A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD>·<EFBFBD><C2B7>")
        {
            try
            {
                OpenDialogDir ofn2 = new OpenDialogDir();
                ofn2.pszDisplayName = new string(new char[2048]);
                ; // <20><><EFBFBD><EFBFBD>Ŀ¼·<C2BC><C2B7><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>  
                ofn2.lpszTitle = dialogtitle; // <20><><EFBFBD><EFBFBD>  
                ofn2.ulFlags = 0x00000040; // <20>µ<EFBFBD><C2B5><EFBFBD>ʽ,<2C><><EFBFBD>༭<EFBFBD><E0BCAD>  
                IntPtr pidlPtr = SHBrowseForFolder(ofn2);

                char[] charArray = new char[2048];

                for (int i = 0; i < 2048; i++)
                {
                    charArray[i] = '\0';
                }

                SHGetPathFromIDList(pidlPtr, charArray);
                string res = new string(charArray);
                res = res.Substring(0, res.IndexOf('\0'));
                return res;
            }
            catch (Exception e)
            {
                WDebug.LogError(e);
            }

            return string.Empty;
        }

        /// <summary>
        /// <20><><EFBFBD><EFBFBD>Ŀ¼
        /// </summary>
        /// <param name="path"><3E><>Ҫ<EFBFBD>򿪵<EFBFBD><F2BFAAB5>ļ<EFBFBD>Ŀ¼</param>
#if UNITY_EDITOR || UNITY_STANDALONE
        public
#elif UNITY_WEBGL
        private
#endif
        static void OpenFolder(string path)
        {
            System.Diagnostics.Process.Start("explorer.exe", path);
        }
    }
}