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  • 利用jQuery传送json格式的字符串,后端用ashx文件来接收

    在Default.aspx里面,我们会透过javascript建立两个物件,分别有Name和Age的属性,再透过Array的方式,将这两个物件塞到Array里面去。使用Ajax内建的$.ajax API,我们可以把url,type,data,sucess等几个属性先设定好,其中要注意到当我们想透过json格式来传递资料的时候,我们可以用JSON.stringify()的方法来把想要传送的阵列资料先转换成json格式。

     1 <%@ Page Language="C#" AutoEventWireup="true" CodeFile="json.aspx.cs" Inherits="json" %>
     2 
     3 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
     4 <html xmlns="http://www.w3.org/1999/xhtml">
     5 <head runat="server">
     6     <title></title>
     7     <script type="text/ecmascript" src="SiteFiles/menu/js/jquery-1.9.1.min.js"></script>
     8     <script type="text/javascript">
     9 
    10         var data='{ "MenuID": "02001", "MenuName": "香炸黄花鱼", "MenuPrice": "28.00", "OriginalPrice": "", "MenuUnit": "份", "ClassID": "02", "OrderNum": "1" }'
    11         $.ajax({
    12             type: "post",
    13             url: "orderJSON.ashx",
    14             datatype: "html",
    15             data: data,
    16             success: function (data) {
    17                 alert(data);
    18             }
    19         });
    20     </script>
    21 </head>
    22 <body>
    23     <form id="form1" runat="server">
    24     <div>
    25     </div>
    26     </form>
    27 </body>
    28 </html>
    <%@ WebHandler Language="C#" Class="orderJSON" %>
    
    using System;
    using System.Web;
    using System.IO;
    
    public class orderJSON : IHttpHandler {
        
        public void ProcessRequest (HttpContext context) {
            context.Response.ContentType = "text/plain";
            string strJSON = string.Empty;
            using (StreamReader reader = new StreamReader(context.Request.InputStream))
            {
                strJSON = reader.ReadToEnd();
            }
            context.Response.Write(strJSON);
        }
     
        public bool IsReusable {
            get {
                return false;
            }
        }
    
    }
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  • 原文地址:https://www.cnblogs.com/ToFlying/p/3746137.html
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