Asp.NetCore 读取配置文件帮助类
/// <summary>
/// 读取配置文件信息
/// </summary>
public class ConfigExtensions
{
public static IConfiguration Configuration { get; set; }
static ConfigExtensions()
{
Configuration = new ConfigurationBuilder()
.Add(new JsonConfigurationSource { Path = "appsettings.json", ReloadOnChange = true })
.Build();
}
/// <summary>
/// 获得配置文件的对象值
/// </summary>
/// <param name="jsonPath"></param>
/// <param name="key"></param>
/// <returns></returns>
public static string GetJson(string jsonPath, string key)
{
if (string.IsNullOrEmpty(jsonPath) || string.IsNullOrEmpty(key)) return null;
IConfiguration config = new ConfigurationBuilder().AddJsonFile(jsonPath).Build();//json文件地址
return config.GetSection(key).Value;//json某个对象
}
/// <summary>
/// 根据配置文件和Key获得对象
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="fileName">文件名称</param>
/// <param name="key">节点Key</param>
/// <returns></returns>
public static T GetAppSettings<T>(string fileName, string key) where T : class, new()
{
if (string.IsNullOrEmpty(fileName) || string.IsNullOrEmpty(key)) return null;
var baseDir = AppContext.BaseDirectory + "json/";
var currentClassDir = baseDir;
IConfiguration config = new ConfigurationBuilder()
.SetBasePath(currentClassDir)
.Add(new JsonConfigurationSource
{
Path = fileName,
Optional = false,
ReloadOnChange = true
}).Build();
var appconfig = new ServiceCollection().AddOptions()
.Configure<T>(config.GetSection(key))
.BuildServiceProvider()
.GetService<IOptions<T>>()
.Value;
return appconfig;
}
/// <summary>
/// 获取自定义配置文件配置
/// </summary>
/// <typeparam name="T">配置模型</typeparam>
/// <param name="key">根节点</param>
/// <param name="configPath">配置文件名称</param>
/// <returns></returns>
public T GetAppSettingss<T>(string key, string configPath) where T : class, new()
{
if (string.IsNullOrEmpty(key) || string.IsNullOrEmpty(configPath)) return null;
IConfiguration config = new ConfigurationBuilder().Add
(new JsonConfigurationSource { Path = configPath, ReloadOnChange = true }).Build();
var appconfig = new ServiceCollection()
.AddOptions()
.Configure<T>(config.GetSection(key))
.BuildServiceProvider()
.GetService<IOptions<T>>()
.Value;
return appconfig;
}
/// <summary>
/// 获取自定义配置文件配置（异步方式）
/// </summary>
/// <typeparam name="T">配置模型</typeparam>
/// <param name="key">根节点</param>
/// <param name="configPath">配置文件名称</param>
/// <returns></returns>
public async Task<T> GetAppSettingsAsync<T>(string key, string configPath) where T : class, new()
{
if (string.IsNullOrEmpty(key) || string.IsNullOrEmpty(configPath)) return null;
IConfiguration config = new ConfigurationBuilder()
.Add(new JsonConfigurationSource
{
Path = configPath,
ReloadOnChange = true
}).Build();
var appconfig = new ServiceCollection()
.AddOptions()
.Configure<T>(config.GetSection(key))
.BuildServiceProvider()
.GetService<IOptions<T>>()
.Value;
return await Task.Run(() => appconfig);
}
/// <summary>
/// 获取自定义配置文件配置
/// </summary>
/// <typeparam name="T">配置模型</typeparam>
/// <param name="key">根节点</param>
/// <param name="configPath">配置文件名称</param>
/// <returns></returns>
public List<T> GetListAppSettings<T>(string key, string configPath) where T : class, new()
{
if (string.IsNullOrEmpty(key) || string.IsNullOrEmpty(configPath)) return null;
IConfiguration config = new ConfigurationBuilder()
.Add(new JsonConfigurationSource { Path = configPath, ReloadOnChange = true }).Build();
var appconfig = new ServiceCollection()
.AddOptions()
.Configure<List<T>>(config.GetSection(key))
.BuildServiceProvider()
.GetService<IOptions<List<T>>>()
.Value;
return appconfig;
}
/// <summary>
/// 获取自定义配置文件配置（异步方式）
/// </summary>
/// <typeparam name="T">配置模型</typeparam>
/// <param name="key">根节点</param>
/// <param name="configPath">配置文件名称</param>
/// <returns></returns>
public async Task<List<T>> GetListAppSettingsAsync<T>(string key, string configPath) where T : class, new()
{
if (string.IsNullOrEmpty(key) || string.IsNullOrEmpty(configPath)) return null;
IConfiguration config = new ConfigurationBuilder()
.Add(new JsonConfigurationSource { Path = configPath, ReloadOnChange = true })
.Build();
var appconfig = new ServiceCollection()
.AddOptions()
.Configure<List<T>>(config.GetSection(key))
.BuildServiceProvider()
.GetService<IOptions<List<T>>>()
.Value;
return await Task.Run(() => appconfig);
}
}
文件读取类：
public class FileHelperCore
{
private static IHostingEnvironment _hostingEnvironment = new
HttpContextAccessor().HttpContext.RequestServices.GetService
(typeof(IHostingEnvironment)) as IHostingEnvironment;
/// <summary>
/// 目录分隔符
/// windows "\" OSX and Linux "/"
/// </summary>
private static string DirectorySeparatorChar = Path.DirectorySeparatorChar.ToString();
/// <summary>
/// 包含应用程序的目录的绝对路径
/// </summary>
private static string _ContentRootPath = _hostingEnvironment.ContentRootPath;
#region 检测指定路径是否存在
/// <summary>
/// 检测指定路径是否存在
/// </summary>
/// <param name="path">路径</param>
/// <returns></returns>
public static bool IsExist(string path)
{
if (string.IsNullOrEmpty(path)) return false;
return IsDirectory(MapPath(path)) ?
Directory.Exists(MapPath(path)) :
File.Exists(MapPath(path));
}
/// <summary>
/// 检测指定路径是否存在（异步方式）
/// </summary>
/// <param name="path">路径</param>
/// <returns></returns>
public static async Task<bool> IsExistAsync(string path)
{
if (string.IsNullOrEmpty(path)) return false;
return await Task.Run(() => IsDirectory(MapPath(path)) ?
Directory.Exists(MapPath(path)) :
File.Exists(MapPath(path)));
}
#endregion
#region 检测目录是否为空
/// <summary>
/// 检测目录是否为空
/// </summary>
/// <param name="path">路径</param>
/// <returns></returns>
public static bool IsEmptyDirectory(string path)
{
if (string.IsNullOrEmpty(path)) return false;
return Directory.GetFiles(MapPath(path)).Length <= 0
&& Directory.GetDirectories(MapPath(path)).Length <= 0;
}
/// <summary>
/// 检测目录是否为空
/// </summary>
/// <param name="path">路径</param>
/// <returns></returns>
public static async Task<bool> IsEmptyDirectoryAsync(string path)
{
if (string.IsNullOrEmpty(path)) return false;
return await Task.Run(() => Directory.GetFiles(MapPath(path)).Length <= 0
&& Directory.GetDirectories(MapPath(path)).Length <= 0);
}
#endregion
#region 创建目录
/// <summary>
/// 创建目录
/// </summary>
/// <param name="path">路径</param>
public static void CreateFiles(string path)
{
if (string.IsNullOrEmpty(path)) return;
try
{
if (IsDirectory(MapPath(path)))
Directory.CreateDirectory(MapPath(path));
else
File.Create(MapPath(path)).Dispose();
}
catch (Exception ex)
{
throw ex;
}
}
#endregion
#region 删除文件或目录
/// <summary>
/// 删除目录或文件
/// </summary>
/// <param name="path">路径</param>
public static void DeleteFiles(string path)
{
if (string.IsNullOrEmpty(path)) return;
try
{
if (IsExist(path))
{
if (IsDirectory(MapPath(path)))
Directory.Delete(MapPath(path));
else
File.Delete(MapPath(path));
}
}
catch (Exception ex)
{
throw ex;
}
}
/// <summary>
/// 清空目录下所有文件及子目录，依然保留该目录
/// </summary>
/// <param name="path"></param>
public static void ClearDirectory(string path)
{
if (string.IsNullOrEmpty(path)) return;
if (IsExist(path))
{
//目录下所有文件
string[] files = Directory.GetFiles(MapPath(path));
foreach (var file in files)
{
DeleteFiles(file);
}
//目录下所有子目录
string[] directorys = Directory.GetDirectories(MapPath(path));
foreach (var dir in directorys)
{
DeleteFiles(dir);
}
}
}
#endregion
#region 判断文件是否为隐藏文件（系统独占文件）
/// <summary>
/// 检测文件或文件夹是否为隐藏文件
/// </summary>
/// <param name="path">路径</param>
/// <returns></returns>
public static bool IsHiddenFile(string path)
{
if (string.IsNullOrEmpty(path)) return false;
return IsDirectory(MapPath(path)) ?
InspectHiddenFile(
new DirectoryInfo(MapPath(path))) :
InspectHiddenFile(new FileInfo(MapPath(path)));
}
/// <summary>
/// 检测文件或文件夹是否为隐藏文件（异步方式）
/// </summary>
/// <param name="path">路径</param>
/// <returns></returns>
public static async Task<bool> IsHiddenFileAsync(string path)
{
if (string.IsNullOrEmpty(path)) return false;
return await Task.Run(() =>
IsDirectory(MapPath(path)) ? InspectHiddenFile(new DirectoryInfo(MapPath(path))) :
InspectHiddenFile(new FileInfo(MapPath(path))));
}
/// <summary>
/// 私有方法 文件是否为隐藏文件（系统独占文件）
/// </summary>
/// <param name="fileSystemInfo"></param>
/// <returns></returns>
private static bool InspectHiddenFile(FileSystemInfo fileSystemInfo)
{
if (fileSystemInfo == null) return false;
if (fileSystemInfo.Name.StartsWith("."))
{
return true;
}
else if (fileSystemInfo.Exists &&
((fileSystemInfo.Attributes & FileAttributes.Hidden) != 0 ||
(fileSystemInfo.Attributes & FileAttributes.System) != 0))
{
return true;
}
return false;
}
#endregion
#region 文件操作
#region 复制文件
/// <summary>
/// 复制文件内容到目标文件夹
/// </summary>
/// <param name="sourcePath">源文件</param>
/// <param name="targetPath">目标文件夹</param>
/// <param name="isOverWrite">是否可以覆盖</param>
public static void Copy(string sourcePath, string targetPath, bool isOverWrite = true)
{
if (string.IsNullOrEmpty(sourcePath) || string.IsNullOrEmpty(targetPath)) return;
File.Copy(MapPath(sourcePath), MapPath(targetPath) +
GetFileName(sourcePath), isOverWrite);
}
/// <summary>
/// 复制文件内容到目标文件夹
/// </summary>
/// <param name="sourcePath">源文件</param>
/// <param name="targetPath">目标文件夹</param>
/// <param name="newName">新文件名称</param>
/// <param name="isOverWrite">是否可以覆盖</param>
public static void Copy(string sourcePath, string targetPath, string newName, bool isOverWrite = true)
{
if (string.IsNullOrEmpty(sourcePath) || string.IsNullOrEmpty(targetPath)) return;
File.Copy(MapPath(sourcePath), MapPath(targetPath) + newName, isOverWrite);
}
#endregion
#region 移动文件
/// <summary>
/// 移动文件到目标目录
/// </summary>
/// <param name="sourcePath">源文件</param>
/// <param name="targetPath">目标目录</param>
public static void Move(string sourcePath, string targetPath)
{
if (string.IsNullOrEmpty(sourcePath) || string.IsNullOrEmpty(targetPath)) return;
string sourceFileName = GetFileName(sourcePath);
//如果目标目录不存在则创建
if (IsExist(targetPath))
{
CreateFiles(targetPath);
}
else
{
//如果目标目录存在同名文件则删除
if (IsExist(Path.Combine(MapPath(targetPath), sourceFileName)))
{
DeleteFiles(Path.Combine(MapPath(targetPath), sourceFileName));
}
}
File.Move(MapPath(sourcePath), Path.Combine(MapPath(targetPath), sourcePath));
}
#endregion
/// <summary>
/// 获取文件名和扩展名
/// </summary>
/// <param name="path">文件路径</param>
/// <returns></returns>
public static string GetFileName(string path)
{
if (string.IsNullOrEmpty(path)) return path;
return Path.GetFileName(MapPath(path));
}
/// <summary>
/// 获取文件名不带扩展名
/// </summary>
/// <param name="path">文件路径</param>
/// <returns></returns>
public static string GetFileNameWithOutExtension(string path)
{
if (string.IsNullOrEmpty(path)) return path;
return Path.GetFileNameWithoutExtension(MapPath(path));
}
/// <summary>
/// 获取文件扩展名
/// </summary>
/// <param name="path">文件路径</param>
/// <returns></returns>
public static string GetFileExtension(string path)
{
if (string.IsNullOrEmpty(path)) return path;
return Path.GetExtension(MapPath(path));
}
#endregion
#region 获取文件绝对路径
/// <summary>
/// 获取文件绝对路径
/// </summary>
/// <param name="path">文件路径</param>
/// <returns></returns>
public static string MapPath(string path)
{
if (string.IsNullOrEmpty(path)) return path;
return Path.Combine(_ContentRootPath, path.TrimStart('~', '/').Replace("/", DirectorySeparatorChar));
}
/// <summary>
/// 获取文件绝对路径（异步方式）
/// </summary>
/// <param name="path">文件路径</param>
/// <returns></returns>
public static async Task<string> MapPathAsync(string path)
{
if (string.IsNullOrEmpty(path)) return path;
return await Task.Run(()=>
Path.Combine(_ContentRootPath,path.TrimStart('~','/').
Replace("/", DirectorySeparatorChar)));
}
/// <summary>
/// 是否为目录或文件夹
/// </summary>
/// <param name="path">路径</param>
/// <returns></returns>
public static bool IsDirectory(string path)
{
if (string.IsNullOrEmpty(path)) return false;
if (path.EndsWith(DirectorySeparatorChar))
return true;
else
return false;
}
#endregion
#region 物理路径转虚拟路径
public static string PhysicalToVirtual(string physicalPath)
{
if (string.IsNullOrEmpty(physicalPath)) return physicalPath;
return physicalPath.Replace(_ContentRootPath, "").Replace(DirectorySeparatorChar, "/");
}
#endregion
#region 文件格式
/// <summary>
/// 是否可添加水印
/// </summary>
/// <param name="_fileExt">文件扩展名，不含“.”</param>
/// <returns></returns>
public static bool IsCanWater(string _fileExt)
{
if (string.IsNullOrEmpty(_fileExt)) return false;
var images = new List<string> { "jpg", "jpeg" };
if (images.Contains(_fileExt.ToLower())) return true;
return false;
}
/// <summary>
/// 是否为图片
/// </summary>
/// <param name="_fileExt">文件扩展名，不含“.”</param>
/// <returns></returns>
public static bool IsImage(string _fileExt)
{
if (string.IsNullOrEmpty(_fileExt)) return false;
var images = new List<string> { "bmp", "gif", "jpg", "jpeg", "png" };
if (images.Contains(_fileExt.ToLower())) return true;
return false;
}
/// <summary>
/// 是否为视频
/// </summary>
/// <param name="_fileExt">文件扩展名，不含“.”</param>
/// <returns></returns>
public static bool IsVideos(string _fileExt)
{
if (string.IsNullOrEmpty(_fileExt)) return false;
var videos=new List<string> { "rmvb", "mkv", "ts", "wma", "avi", "rm", "mp4", "flv", "mpeg", "mov", "3gp", "mpg" };
if (videos.Contains(_fileExt.ToLower())) return true;
return false;
}
/// <summary>
/// 是否为音频
/// </summary>
/// <param name="_fileExt">文件扩展名，不含“.”</param>
/// <returns></returns>
public static bool IsMusics(string _fileExt)
{
if (string.IsNullOrEmpty(_fileExt)) return false;
var musics = new List<string> { "mp3", "wav" };
if (musics.Contains(_fileExt.ToLower())) return true;
return false;
}
/// <summary>
/// 是否为文档
/// </summary>
/// <param name="_fileExt">文件扩展名，不含“.”</param>
/// <returns></returns>
public static bool IsDocument(string _fileExt)
{
if (string.IsNullOrEmpty(_fileExt)) return false;
var documents = new List<string> { "doc", "docx", "xls", "xlsx", "ppt", "pptx", "txt", "pdf" };
if (documents.Contains(_fileExt.ToLower())) return true;
return false;
}
#endregion
#region 文件图标
public static string FindFileIcon(string fileExt)
{
if (string.IsNullOrEmpty(fileExt)) return fileExt;
if (IsImage(fileExt))
return "fa fa-image";
if (IsVideos(fileExt))
return "fa fa-film";
if (IsMusics(fileExt))
return "fa fa-music";
if(IsDocument(fileExt))
switch (fileExt.ToLower())
{
case ".xls":
case ".xlsx":
return "fa fa-file-excel-o";
case ".ppt":
case ".pptx":
return "fa fa-file-powerpoint-o";
case ".pdf":
return "fa fa-file-pdf-o";
case ".txt":
return "fa fa-file-text-o";
default:
return "fa fa-file-word-o";
}
if (fileExt.ToLower() == "zip" || fileExt.ToLower() == "rar")
return "fa fa-file-zip-o";
else
return "fa fa-file";
}
#endregion
#region 文件大小转换
/// <summary>
/// 文件大小转为B、KB、MB、GB...
/// </summary>
/// <param name="size"></param>
/// <returns></returns>
public static string FileSizeTransf(long size)
{
if (size==0) return null;
String[] units = new String[] { "B", "KB", "MB", "GB", "TB", "PB" };
long mod = 1024;
int i = 0;
while (size > mod)
{
size /= mod;
i++;
}
return size + units[i];
}
#endregion
#region 获取目录下所有文件
public static List<FilesInfo> FindFiles(string path, string staticFiles = "/wwwroot")
{
if (string.IsNullOrEmpty(path)) return null;
string[] folders = Directory.GetDirectories(MapPath(path), "*", SearchOption.AllDirectories);
var Files = new List<FilesInfo>();
foreach (var folder in folders)
{
foreach (var fsi in new DirectoryInfo(folder).GetFiles())
{
Files.Add(new FilesInfo()
{
Name = fsi.Name,
FullName = fsi.FullName,
FileExt = fsi.Extension,
FileOriginalSize = fsi.Length,
FileSize = FileSizeTransf(fsi.Length),
FileIcon = FindFileIcon(fsi.Extension.Remove(0, 1)),
FileName = PhysicalToVirtual(fsi.FullName).Replace(staticFiles, ""),
FileStyle = IsImage(fsi.Extension.Remove(0, 1)) ? "images" :
IsDocument(fsi.Extension.Remove(0, 1)) ? "documents" :
IsVideos(fsi.Extension.Remove(0, 1)) ? "videos" :
IsMusics(fsi.Extension.Remove(0, 1)) ? "musics" : "others",
CreateDate = fsi.CreationTime,
LastWriteDate = fsi.LastWriteTime,
LastAccessDate = fsi.LastAccessTime
});
}
}
return Files;
}
/// <summary>
/// 获得指定文件夹下面的所有文件
/// </summary>
/// <param name="path"></param>
/// <param name="staticFiles"></param>
/// <returns></returns>
public static List<FilesInfo> ResolveFileInfo(string path, string staticFiles = "/wwwroot")
{
if (string.IsNullOrEmpty(path)) return null;
var foldersPath = MapPath(path);
var Files = new List<FilesInfo>();
foreach (var fsi in new DirectoryInfo(foldersPath).GetFiles())
{
Files.Add(new FilesInfo()
{
Name = fsi.Name,
FullName = fsi.FullName,
FileExt = fsi.Extension,
FileOriginalSize = fsi.Length,
FileSize = FileSizeTransf(fsi.Length),
FileIcon = FindFileIcon(fsi.Extension.Remove(0, 1)),
FileName = PhysicalToVirtual(fsi.FullName).Replace(staticFiles, ""),
FileStyle = IsImage(fsi.Extension.Remove(0, 1)) ? "images" :
IsDocument(fsi.Extension.Remove(0, 1)) ? "documents" :
IsVideos(fsi.Extension.Remove(0, 1)) ? "videos" :
IsMusics(fsi.Extension.Remove(0, 1)) ? "musics" : "others",
CreateDate = fsi.CreationTime,
LastWriteDate = fsi.LastWriteTime,
LastAccessDate = fsi.LastAccessTime
});
}
return Files;
}
#endregion
}
public class FilesInfo
{
/// <summary>
/// 文件名称
/// </summary>
public string Name { get; set; }
/// <summary>
/// 文件物理路径
/// </summary>
public string FullName { get; set; }
/// <summary>
/// 扩展名
/// </summary>
public string FileExt { get; set; }
/// <summary>
/// 原始大小（字节）
/// </summary>
public long FileOriginalSize { get; set; }
/// <summary>
/// 文件大小
/// </summary>
public string FileSize { get; set; }
/// <summary>
/// 文件虚拟路径
/// </summary>
public string FileName { get; set; }
/// <summary>
/// 文件类型
/// </summary>
public string FileStyle { get; set; }
/// <summary>
/// 文件图标
/// </summary>
public string FileIcon { get; set; }
/// <summary>
/// 创建时间
/// </summary>
public DateTime CreateDate { get; set; }
/// <summary>
/// 最后修改时间
/// </summary>
public DateTime LastWriteDate { get; set; }
/// <summary>
/// 最后访问时间
/// </summary>
public DateTime LastAccessDate { get; set; }
}
