Ajax

If you use a servlet, addResponse.setcontenttype ("text/html;charset=gb2312");Request.setcharacterencoding ("gb2312");And a better way is to add a filterin which to joinResponse.setcontenttype

Front. Ajax is shorthand for asynchronous JavaScript and XML, the Chinese translation is asynchronous JavaScript and XML, this technology can request additional data to the server without unloading the page, will bring a better user experience.

Page General and table together, pagination link as part of the table, the paging link encapsulated into a separate component, and then as a child component embedded in the table component, this is more reasonable. Effect: Code: 1. Register a

First of all say the form to submit it, to submit the form then you have to collect the form data (as for the verification of this I will not speak, to say leave next time), with jquery to get an HTML value or a simple $ ("Xxid"). Val () is over,

This article mainly analyzes the Ajax technology composition principle, for everybody reference, the concrete content is as follows 1, AjaxFeatures: local refresh, improve user experience, data from the server business load 2, the technical

I. Description of the problem Ajax asynchronous request after the success of the new open window to open the URL, using the window.open () method, but will be blocked by the browser, the user needs to click. Second, the problem analysis The

1. Overview When developing the network examination system, the examination time and automatically submits the examination paper is the essential function. Because the quiz paper cannot be refreshed during the answer process, you need to use Ajax

Problem Description: Ajax returns the JSON format datagram 415 error, as shown in the following figure Page code function Saveuser () { var uuid = document.getElementById ("UuId"). Value; var idcard = document.getElementById ("Idcard").

1, Ajax sends the request state to judge if else statement problem. var xhr = new XMLHttpRequest (); Xhr.open ("Get", strURL); xhr.onreadystatechange = function () { if (xhr.readystate = = 4) { if (xhr.status ===200) {

A few days ago, there was a new need for a front-end Web page to invoke the backend WebService method return information asynchronously. Implementation of a variety of methods, this example using Jquery+ajax, completed, debugging in the local all OK,

This example for you to share the Laypage front-end paging plug-ins, Ajax asynchronous paging, get the JSON data implementation without refreshing paging for your reference, the specific content as follows function GetList (pageIndex) {var

Overriew:onreadystatechange is assigned a value by the callback function, it can implement the asynchronous call, the callback function directly manipulate the DOM, you can implement local refresh. So how does XMLHttpRequest onreadystatechange know

1.ajax cross-domain pass value is the type of postback required JSONP $.ajax ({ URL: "http://...", type: ' Get ', dataType: ' JSONP ',//js cross-domain value success:function (data) { } }); DataType Type: String The type of data

Originally intended to use the jquery plug-ins for asynchronous file upload, such as uploadfy but need additional support, but also some people with an IFRAME imitate asynchronous upload mechanism, feel more awkward. Because the project does not

Since the HTML5, file uploads have become very simple. It is convenient to solve the project need to use the file upload function. HTML5 support multiple image upload, and support Ajax upload, and support upload the picture before the preview, and

The example of this article for everyone to share the Web page in the use of Ajax to achieve the bulk import data function of the implementation method for your reference, the specific contents are as follows url.py Code: Copy Code code as

jquery Ajax functions of the return type only XML, text, JSON, HTML and other types, there is no "stream" type, so we want to implement Ajax download, can not use the corresponding Ajax functions to download files. But you can use JS to generate a

Copy Code code as follows: -----------------------------Jack's note ajaxjs.js----------------------------- Here is a window to display a wait document.write (' data is being read, please wait for ... ') Showloading controls the display

A few months ago, I wrote the following three AJAX-related functions because of the project requirements. Publish it and share it with you.The first is used to load a section of HTML without refreshingThe second is to convert the form data into a

The no refresh mechanism of Ajax makes it possible to display the registration name in the registration system instantly. Common user registration is user input user name, the background program detects whether the user name in the database is