📄 helloworld.ashx

📁 ASP.NET服务器控件与组件开发PDG电子书+随书源码

💻 ASHX

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<%@ WebHandler Language="C#" Class="HelloWorldHandler" %>

using System;
using System.Web;

// The "Hello, World" equivalent of Http Handlers.
public class HelloWorldHandler : IHttpHandler {

    public bool IsReusable {
        get {
            return true;
        }
    }

    // Handles the request and generates the resulting response
    public void ProcessRequest(HttpContext context) {
        // The standard request/response objects
        HttpRequest request = context.Request;
        HttpResponse response = context.Response;

        // Extract the name from the request.
        string name = request.QueryString["name"];

        // Start writing out the response HTML.
        response.ContentType = "text/html";

        response.Write("<html>");
        response.Write("<head>");
        response.Write("<title>Hello World Http Handler</title>");
        response.Write("</head>");
        response.Write("<body>");

        if ((name != null) && (name.Length != 0)) {
            response.Write("<h1>Hello, ");
            response.Write(context.Server.HtmlEncode(name));
            response.Write("!</h1>");
        }
        else {
            response.Write("Usage:<br>");
            response.Write("HelloWorld.ashx?name=&lt;your_name&gt;");
        }

        response.Write("</body>");
        response.Write("</html>");
    }
}

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