如何在C#中抓取部落格

// Define a class that extends WebScraper from IronWebScraper
public class BlogScraper : WebScraper
{
    /// <summary>
    /// Override this method to initialize your web-scraper.
    /// Set at least one start URL and configure domain or URL patterns.
    /// </summary>
    public override void Init()
    {
        // Set your license key for IronWebScraper
        License.LicenseKey = "YourLicenseKey";
        
        // Enable logging for all actions
        this.LoggingLevel = WebScraper.LogLevel.All;
        
        // Set a directory to store output and cache files
        this.WorkingDirectory = AppSetting.GetAppRoot() + @"\BlogSample\Output\";
        
        // Enable caching with a specific duration
        EnableWebCache(new TimeSpan(1, 30, 30));
        
        // Request the start URL and specify the response handler
        this.Request("http://blogSite.com/", Parse);
    }
}

// Define a class that extends WebScraper from IronWebScraper
public class BlogScraper : WebScraper
{
    /// <summary>
    /// Override this method to initialize your web-scraper.
    /// Set at least one start URL and configure domain or URL patterns.
    /// </summary>
    public override void Init()
    {
        // Set your license key for IronWebScraper
        License.LicenseKey = "YourLicenseKey";
        
        // Enable logging for all actions
        this.LoggingLevel = WebScraper.LogLevel.All;
        
        // Set a directory to store output and cache files
        this.WorkingDirectory = AppSetting.GetAppRoot() + @"\BlogSample\Output\";
        
        // Enable caching with a specific duration
        EnableWebCache(new TimeSpan(1, 30, 30));
        
        // Request the start URL and specify the response handler
        this.Request("http://blogSite.com/", Parse);
    }
}

/// <summary>
/// Override this method to handle the Http Response for your web scraper.
/// Add additional methods if you handle multiple page types.
/// </summary>
/// <param name="response">The HTTP Response object to parse.</param>
public override void Parse(Response response)
{
    // Iterate over each link found in the section navigation
    foreach (var link in response.Css("div.section-nav > ul > li > a"))
    {
        switch(link.TextContentClean)
        {
            case "Reviews":
                {
                    // Handle reviews case
                }
                break;
            case "Science":
                {
                    // Handle science case
                }
                break;
            default:
                {
                    // Save the link title to a file
                    Scrape(new ScrapedData() { { "Title", link.TextContentClean } }, "BlogScraper.Jsonl");
                }
                break;
        }
    }
}

/// <summary>
/// Override this method to handle the Http Response for your web scraper.
/// Add additional methods if you handle multiple page types.
/// </summary>
/// <param name="response">The HTTP Response object to parse.</param>
public override void Parse(Response response)
{
    // Iterate over each link found in the section navigation
    foreach (var link in response.Css("div.section-nav > ul > li > a"))
    {
        switch(link.TextContentClean)
        {
            case "Reviews":
                {
                    // Handle reviews case
                }
                break;
            case "Science":
                {
                    // Handle science case
                }
                break;
            default:
                {
                    // Save the link title to a file
                    Scrape(new ScrapedData() { { "Title", link.TextContentClean } }, "BlogScraper.Jsonl");
                }
                break;
        }
    }
}

/// <summary>
/// Represents a model for Science Page
/// </summary>
public class ScienceModel
{
    /// <summary>
    /// Gets or sets the title.
    /// </summary>
    public string Title { get; set; }
    
    /// <summary>
    /// Gets or sets the author.
    /// </summary>
    public string Author { get; set; }
    
    /// <summary>
    /// Gets or sets the date.
    /// </summary>
    public string Date { get; set; }
    
    /// <summary>
    /// Gets or sets the image.
    /// </summary>
    public string Image { get; set; }
    
    /// <summary>
    /// Gets or sets the text.
    /// </summary>
    public string Text { get; set; }
}

/// <summary>
/// Represents a model for Science Page
/// </summary>
public class ScienceModel
{
    /// <summary>
    /// Gets or sets the title.
    /// </summary>
    public string Title { get; set; }
    
    /// <summary>
    /// Gets or sets the author.
    /// </summary>
    public string Author { get; set; }
    
    /// <summary>
    /// Gets or sets the date.
    /// </summary>
    public string Date { get; set; }
    
    /// <summary>
    /// Gets or sets the image.
    /// </summary>
    public string Image { get; set; }
    
    /// <summary>
    /// Gets or sets the text.
    /// </summary>
    public string Text { get; set; }
}

/// <summary>
/// Parses the reviews from the response.
/// </summary>
/// <param name="response">The HTTP Response object.</param>
public void ParseReviews(Response response)
{
    // A list to hold Science models
    var scienceList = new List<ScienceModel>();

    foreach (var postBox in response.Css("section.main > div > div.post-list"))
    {
        var item = new ScienceModel
        {
            Title = postBox.Css("h1.headline > a")[0].TextContentClean,
            Author = postBox.Css("div.author > a")[0].TextContentClean,
            Date = postBox.Css("div.time > a")[0].TextContentClean,
            Image = postBox.Css("div.image-wrapper.default-state > img")[0].Attributes["src"],
            Text = postBox.Css("div.summary > p")[0].TextContentClean
        };

        scienceList.Add(item);
    }

    // Save the science list to a JSONL file
    Scrape(scienceList, "BlogScience.Jsonl");
}

/// <summary>
/// Parses the reviews from the response.
/// </summary>
/// <param name="response">The HTTP Response object.</param>
public void ParseReviews(Response response)
{
    // A list to hold Science models
    var scienceList = new List<ScienceModel>();

    foreach (var postBox in response.Css("section.main > div > div.post-list"))
    {
        var item = new ScienceModel
        {
            Title = postBox.Css("h1.headline > a")[0].TextContentClean,
            Author = postBox.Css("div.author > a")[0].TextContentClean,
            Date = postBox.Css("div.time > a")[0].TextContentClean,
            Image = postBox.Css("div.image-wrapper.default-state > img")[0].Attributes["src"],
            Text = postBox.Css("div.summary > p")[0].TextContentClean
        };

        scienceList.Add(item);
    }

    // Save the science list to a JSONL file
    Scrape(scienceList, "BlogScience.Jsonl");
}