$.ajax({
url: "Default.aspx/aaaa", async: false, type: "POST", contentType: "application/json; charset=utf-8", dataType: "json", data: {name:"Tom",content:"hello"}, success: function(data) { alert(data.d); }, error: function() { alert("error!"); }});using System.Web.Services;
using System.Web.Script.Services;[WebMethod]public static string aaaa(string name,string content){ return name + ":" + content;}https://www.cnblogs.com/linji/archive/2012/03/22/2411058.html