Ajaxバックグラウンドの呼び出し方法

3321 ワード

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.Services;

namespace FeiMiao.UI.Ajax
{
    /// <summary>
    /// AjaxPostHandlers      
    /// </summary>
    [WebService(Namespace = "http://tempuri.org/")]
    [WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile1_1)]
    public class Post : IHttpHandler
    {

        HttpContext httpContext;

        public void ProcessRequest(HttpContext context)
        {
            httpContext = context;
            context.Response.ContentType = "text/plain";
            switch (getFormString("method"))
            {
                case "HelloWorld":
                    HelloWorld();
                    break;
                case "Hello":
                    Hello();
                    break;
            }
        }

        private void Hello()
        {
            string input = getFormString("input");
            httpContext.Response.Write("      ：" + input);
        }

        private void HelloWorld()
        {
            httpContext.Response.Write("HelloWorldTest");
        }

        public bool IsReusable
        {
            get
            {
                return false;
            }
        }

        public string getFormString(string key)
        {
            string s = HttpContext.Current.Request.Form[key];
            return s == null ? "" : s;
        }
    }
}

フロント:

<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="Default.aspx.cs" Inherits="FeiMiao.UI.Default" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <title></title>
    <script src="Scripts/jquery-1.8.0.min.js" type="text/javascript"></script>
    <script type="text/javascript" language="javascript">
        function Hello() {
            $.post("Ajax/Post.ashx", { method: "HelloWorld" }, function (data) {
                if (null != data && data != "") {
                    alert(data);
                }
            }, "text");
        }

        function Test() {
            $.post("Ajax/Post.ashx", { method: "Hello", input: "heihei" }, function (data) {
                if (null != data && data != "") {
                    alert(data);
                }
            }, "text");
        }
    </script>
</head>
<body>
    <form id="form1" runat="server">
    <div>
        <input type="button" value="    " onclick="Hello()" />
        <input type="button" value="   " onclick="Test()" />
        <asp:Button ID="btnTest" runat="server" OnClick="btnTest_Click" Text="Button" />
        <br />
    </div>
    </form>
</body>
</html>

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