jquery ajax get status code

It is important to note that this Ajax request must be synchronous if you want to get the value returned by Ajax, otherwise it will not get the return value function getpagetotalanddatatotal (page) { // Set a variable to receive the value returned by ajax var pagetota

javax.servlet.ServletException;Import Javax.servlet.annotation.WebServlet;Import Javax.servlet.http.HttpServlet;Import Javax.servlet.http.HttpServletRequest;Import Javax.servlet.http.HttpServletResponse; @WebServlet ("/ajax/checkname")public class Checknameserv extends HttpServlet {Private static final long serialversionuid = 1L;protected void DoPost (HttpServletRequest req, HttpServletResponse resp) throws Servletexception, IOException {Req.setchara

1, Jquery.get (URL, [data], [callback]): Use Get method to make asynchronous request1.1 Parameters:URL(String): The URL address of the sending request.Data(MAP): (optional) data to be sent to the server, expressed as a Key/value key-value pair, will be appended to the request URL as jquerystring.Callback(function): (optional) The callback function when loading succeeds (the method is called only if the return state of response is success).The callback

Today encountered a very strange phenomenon, and later found that the original Ajax get way, after loading once, is not access to the database, and post method every time access to the databaseCase requirements, when clicking on the "Project information list" record line, linkage loading "Project interface Information List"$ (#projectGrid #). DataGrid ({ onclickrow:function (rowindex,rowdata) { var url = r

The Jquery-ajax get () and post () methods request data from a remote server over HTTP GET and HTTP POST requests.Two common methods of request-response on the client and server side are get and postGet: Request data from a specified resource,

Using jQuery in Asp. Net MVC Architecture is easy, while using jQuery to implement Ajax is easier. After the Asp. Net MVC framework is generated, the jQuery script is included. For environment settings, see my other article: Asp. Net MVC instance. Here, we still use the environment in the instance. You can see the

Using jQuery in Asp. Net MVC Architecture is easy, while using jQuery to implement Ajax is easier. After the Asp. Net MVC framework is generated, the jQuery script is included. For environment settings, see my other article: Asp. Net MVC instance. Here, we still use the environment in the instance. You can see the

jquery has been written over the years, traditional JavaScript has been a long time, and many things have been forgotten, and how many people remember that Ajax operations in JavaScript need to use the XMLHttpRequest object, in fact, the Ajax nature of jquery is this , well, take a moment today to demonstrate how to us

CopyCode The Code is as follows: // create an xhr object VaR xhr; If (window. XMLHttpRequest ){ Xhr = new XMLHttpRequest (); } Else if (window. activexobject ){ Xhr = new activexobject ("msxml2.xmlhttp "); } Else { Throw new error ("Ajax is not supported by this Browser "); } Function ready () { Alert ("start ......"); // Process asynchronous requests through events Xhr. onreadystatechange = function () { I

Jquery ajax cannot pass the value to the background using the get method. why is as follows: // The following is the js method Function login (){ $. Ajax ({ Type: "get ", Url: 'valid. php ', Data: "username = admin ", DataType: "json ", Success: ajaxComplete (result

Sometimes we need to read data files in JSON format. In jQuery, Ajax or $. the getJSON () method is implemented. The following is a good example. For more information, see JSON (JavaScript Object Notation), which is a lightweight data exchange format. The JSONM file contains information about "name" and "value. Sometimes we need to read data files in JSON format. In jQu