注释
unity打开文件文件夹的方法
cpp
using System;
using System.Collections;
using System.Collections.Generic;
using System.Runtime.InteropServices;
using UnityEngine;
public class FilePathHelper
{
private static string filePath;
/// <summary>
/// 选择文件路径
/// </summary>
/// <returns>文件路径</returns>
public static string SelectFilePath()
{
OpenFileName openFileName = new OpenFileName();
openFileName.structSize = Marshal.SizeOf(openFileName);
openFileName.filter = "All Files\0*.*\0\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;
openFileName.initialDir = UnityEngine.Application.streamingAssetsPath.Replace('/', '\\');//默认路径
openFileName.title = "窗口标题";
openFileName.flags = 0x00080000 | 0x00001000 | 0x00000800 | 0x00000008;
if (LocalDialog.GetSaveFileName(openFileName))
{
Debug.Log(openFileName.file);
filePath = openFileName.file;
return filePath;
}
return null;
}
/// <summary>
/// 选择文件储存路径
/// </summary>
/// <returns>路径</returns>
public static string SelectStorePath()
{
OpenDialogDir openDialogDir = new OpenDialogDir();
//存放目录路径缓冲区
openDialogDir.pszDisplayName = new string(new char[2000]);
openDialogDir.lpszTitle = "文件路径";
IntPtr pidlPtr = LocalDialog.SHBrowseForFolder(openDialogDir);
char[] charArray = new char[2000];
for (int i = 0; i < 2000; i++)
{
charArray[i] = '\0';
}
LocalDialog.SHGetPathFromIDList(pidlPtr, charArray);
string fullDirPath = new string(charArray);
fullDirPath = fullDirPath.Substring(0, fullDirPath.IndexOf('\0'));
Debug.Log(fullDirPath);
if (fullDirPath == string.Empty)
{
return null;
}
return fullDirPath;
}
}
cpp
using System;
using System.Collections;
using System.Collections.Generic;
using System.Runtime.InteropServices;
using UnityEngine;
/// <summary>
/// 打开Windows窗口的基类
/// </summary>
[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 = Application.streamingAssetsPath.Replace('/','\\');
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 uint ulFlags = 0;
public IntPtr lpfn = IntPtr.Zero;
public IntPtr lParam = IntPtr.Zero;
public int iImage = 0;
}
public class LocalDialog
{
//链接指定系统函数 打开文件对话框
[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);
}
//链接指定系统函数 另存为对话框
[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);
}
[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);
}