jquery ajax method to implement cross-domain requests_jquery

The example in this article describes how jquery ajax implements cross-domain requests. Share it with everyone for your reference. The specific implementation method is as follows:

Note: The dataType here is "jsonp"; type can only be GET

The front desk request code is as follows:

Copy code The code is as follows:

$.ajax({
type: "GET",
url: "http://www.xxx.com/Rest/ValidAccountsExists.aspx?accounts=admin",
dataType: "jsonp",
jsonp: "jsoncallback",
success: function (result) {
alert(result.Success);
alert(result.Content);                                          },
error: function (result, status) {

//Handling errors
}
});

The background processing code ValidAccountsExists.aspx is as follows:

Copy code The code is as follows:

string accounts = GameRequest.GetQueryString("accounts");

string jsoncallback = GameRequest.GetQueryString("jsoncallback");
Response.ContentEncoding =System.Text.Encoding.UTF8;
Response.ContentType = "application/json";
Response.Write(jsoncallback "({"Success":"True","Content":"" accounts ""})");
Response.End();

I hope this article will be helpful to everyone’s jQuery programming.