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  • AspxToHtml

    UrlMapping
    /// <summary>
    /// 路径映射
    /// </summary>
    public static class UrlMapping
    {
    /// <summary>
    /// Aspx 转换到 Html
    /// </summary>
    /// <param name="url"></param>
    /// <returns></returns>
    public static string AspxToHtml(string url)
    {
    //判断路径是否为空
    if (string.IsNullOrEmpty(url))
    {
    throw new ArgumentNullException("路径不能为空");
    }

    //分割路径
    string[] temp = url.Split('?');
    if (temp.Length != 1 && temp.Length != 2)
    {
    throw new ArgumentException(String.Format("路径 {0} 及其参数错误", url));
    }

    //获取路径后缀
    string ext = Path.GetExtension(temp[0]);
    if (!(ext.Equals(".aspx", StringComparison.OrdinalIgnoreCase)))
    {
    throw new ArgumentException(String.Format("路径 {0} 类型必须为ASPX", url));
    }

    //截取.aspx中前面的内容
    int offset = temp[0].LastIndexOf('.');
    string resource = temp[0].Substring(0, offset);

    //路径不带参数时
    if (temp.Length == 1 || string.IsNullOrEmpty(temp[1]))
    {
    return string.Format("{0}.html", resource); //拼接
    }

    //路径带参数时
    return string.Format("{0}___{1}.html", resource, temp[1]); //拼接
    }

    /// <summary>
    /// Html 转换到 Aspx
    /// </summary>
    /// <param name="url"></param>
    /// <returns></returns>
    public static string HtmlToAspx(string url)
    {
    //判断路径是否为空
    if (string.IsNullOrEmpty(url))
    {
    throw new ArgumentNullException("路径不能为空");
    }

    string ext = Path.GetExtension(url);
    if (!(ext.Equals(".html", StringComparison.OrdinalIgnoreCase)))
    {
    throw new ArgumentException(String.Format("路径 {0} 类型必须为HTML", url));
    }

    string[] temp = url.Split(new String[] { "___", "." }, StringSplitOptions.RemoveEmptyEntries);
    if (temp.Length == 2)
    {
    return string.Format("{0}.aspx", temp[0]);
    }

    if (temp.Length == 3)
    {
    return String.Format("{0}.aspx?{1}", temp[0], temp[1]);
    }

    throw new ArgumentException(String.Format("资源 {0} 及其参数错误", url));
    }
    }
    HtmlPage
    /// <summary>
    /// 哪个页面想静态化,就继承这个类
    /// </summary>
    public class HtmlPage : Page
    {
    // <summary>
    /// 获取物理路径,判断文件夹中有没有存在这个文件
    /// 不存在的话,就会调用FilterStream类进行创建,并写入内容
    /// 存在的话,就直接显示页面
    /// </summary>
    public override void ProcessRequest(HttpContext context)
    {
    HttpRequest request
    = context.Request;
    HttpResponse response
    = context.Response;

    string htmlPage = UrlMapping.AspxToHtml(request.RawUrl);
    string htmlFile = context.Server.MapPath(htmlPage);

    if (File.Exists(htmlFile))
    {
    response.Redirect(htmlPage);
    }
    else
    {
    // Html 页面不存在
    response.Filter = new FilterStream(response.Filter, htmlFile);
    base.ProcessRequest(context);
    }
    }
    }
    HtmlHandler
    /// <summary>
    /// 后缀为HTML的,都经这里处理
    /// Web.Config
    /// <remove verb="*" path="*.HTML"/>
    /// <add verb="*" path="*.HTML" type="HtmlHandler"/>
    /// </summary>
    public class HtmlHandler : IHttpHandler
    {
    public bool IsReusable
    {
    get { return false; }
    }

    /// <summary>
    /// 获取物理路径,判断文件夹中有没有存在这个文件
    /// 不存在的话,就会调用FilterStream类进行创建,并写入内容
    /// 存在的话,就直接显示页面
    /// </summary>
    public void ProcessRequest(HttpContext context)
    {
    HttpRequest request
    = context.Request;
    HttpResponse response
    = context.Response;

    string htmlPage = request.RawUrl;
    string htmlFile = context.Server.MapPath(htmlPage);

    if (File.Exists(htmlFile))
    {
    response.WriteFile(htmlFile);
    }
    else
    {
    //Html 文件不存在
    string aspxPage = UrlMapping.HtmlToAspx(htmlPage);
    response.Redirect(aspxPage);
    }
    }
    }
    FilterStream
    /// <summary>
    /// 静态网页保存
    /// </summary>
    public class FilterStream : Stream
    {
    private Stream respStream, fileStream;

    public FilterStream(Stream respStream, string filePath)
    {
    if (respStream == null)
    {
    throw new ArgumentNullException("输出流不能为空");
    }
    this.respStream = respStream;

    try
    {
    this.fileStream = new FileStream(filePath, FileMode.Create, FileAccess.Write); //写入到文件夹中
    }
    catch
    {

    }
    }

    public override bool CanRead
    {
    get { return this.respStream.CanRead; }
    }

    public override bool CanSeek
    {
    get { return this.respStream.CanSeek; }
    }

    public override bool CanWrite
    {
    get { return this.respStream.CanWrite; }
    }

    public override void Flush()
    {
    this.respStream.Flush();
    if (this.fileStream != null)
    {
    this.fileStream.Flush();
    }
    }

    public override long Length
    {
    get { return this.respStream.Length; }
    }

    public override long Position
    {
    get
    {
    return this.respStream.Position;
    }
    set
    {
    this.respStream.Position = value;
    if (this.fileStream != null)
    {
    this.fileStream.Position = value;
    }
    }
    }

    public override int Read(byte[] buffer, int offset, int count)
    {
    return this.respStream.Read(buffer, offset, count);
    }

    public override long Seek(long offset, SeekOrigin origin)
    {
    if (this.fileStream != null)
    {
    this.fileStream.Seek(offset, origin);
    }
    return this.respStream.Seek(offset, origin);
    }

    public override void SetLength(long value)
    {
    this.respStream.SetLength(value);
    if (this.fileStream != null)
    {
    this.fileStream.SetLength(value);
    }
    }

    public override void Write(byte[] buffer, int offset, int count)
    {
    this.respStream.Write(buffer, offset, count);
    if (this.fileStream != null)
    {
    this.fileStream.Write(buffer, offset, count);
    }
    }

    protected override void Dispose(bool disposing)
    {
    base.Dispose(disposing);
    this.respStream.Dispose();
    if (this.fileStream != null)
    {
    this.fileStream.Dispose();
    }
    }
    }
    HtmlPanel
    public class HtmlPanel : Control
    {
    private bool _isHtml = true;
    private bool _includeSubControls = true;

    /// <summary>
    /// 获取或设置一个bool值,指示是否允许静态化。
    /// </summary>
    public bool IsHtml
    {
    get
    {
    return _isHtml;
    }
    set
    {
    _isHtml
    = value;
    }
    }

    /// <summary>
    /// 获取或设置一个bool值,指示静态化时是否包含子控件。
    /// </summary>
    public bool IncludeSubControls
    {
    get
    {
    return _includeSubControls;
    }
    set
    {
    _includeSubControls
    = value;
    }
    }

    protected override void OnPreRender(EventArgs e)
    {
    if (IsHtml)
    {
    ParseLink();
    }

    base.OnPreRender(e);
    }

    /// <summary>
    /// 执行超链接aspx到html的转变,可被子类重写。
    /// </summary>
    protected virtual void ParseLink()
    {
    Parse(
    this);
    }

    private void Parse(Control ctr)
    {
    ControlCollection children
    = ctr.Controls;
    foreach (Control item in children)
    {
    if (item is HyperLink)
    {
    HyperLink link
    = (HyperLink)item;
    link.NavigateUrl
    = UrlMapping.AspxToHtml(base.ResolveClientUrl(link.NavigateUrl));
    }
    else if (item is HtmlAnchor)
    {
    HtmlAnchor link
    = (HtmlAnchor)item;
    link.HRef
    = UrlMapping.AspxToHtml(base.ResolveClientUrl(link.HRef));
    }
    else
    {
    if (IncludeSubControls && item.Controls.Count > 0)
    {
    Parse(item);
    }
    }
    }
    }
    }
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  • 原文地址:https://www.cnblogs.com/Googler/p/2072464.html
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