jsp + servlet hospital appointment registration system based on javaweb + mysql (java + jdbc + jsp + mysql + ajax) Private message Source code acquisition and debugging communication Operating environment Java≥8, MySQL≥5.7, Tomcat≥8 development tools eclipse/idea/myeclipse/sts, etc. can be configured to run Be applicable Course design, major assignments, graduation projects, project exercises, learning demonstrations, […]
Tag: ajax
AJAX dynamically obtains values from the database through manual splicing and dynamically splices the spliced JSON to the front-end page——AJAX
<!DOCTYPE html> <html lang=”en”> <head> <meta charset=”UTF-8″> <title>Title</title> </head> <body> <script type=”text/javascript”> window.onload = function () { document.getElementById(“show”).onclick = function () { var ajax = new XMLHttpRequest(); ajax.onreadystatechange = function () { if(ajax.readyState === 4) { if(ajax.status === 200) { var fromJava = ajax.responseText; var json = JSON.parse(fromJava); console.log(json); var html = “”; for (var […]
Super detailed explanation of ajax parameters in jq
Table of Contents 1. url: The URL address to which the request is to be sent. 2. type: type of request, optional parameters, including GET, POST, PUT, DELETE, etc. The default is GET. 3. data: The data to be sent to the server, which can be a string, array or object. Default is null. 4. […]
Spring MVC and AJAX integration example
Table of Contents 1. Introduction SpringMVC AJAX 2. Environment settings & related configurations 3. Create Spring MVC project 4. Create Controller 5. Front-end page design 6. Display data: 1. Introduction Spring MVC Spring MVC is a module in the Spring framework for developing web applications based on the Model-View-Controller (MVC) architecture. It provides a flexible […]
How AJAX uses get requests to submit data to the server and achieve partial data refresh——AJAX
<!DOCTYPE html> <html lang=”en”> <head> <meta charset=”UTF-8″> <title>Title</title> </head> <body> <script type=”text/javascript”> window.onload = function () { document.getElementById(“btn”).onclick = function () { var ajax = new XMLHttpRequest(); ajax.onreadystatechange = function () { if(ajax.readyState === 4) { if(ajax.status === 200) { document.getElementById(“mySpan”).innerHTML = ajax.responseText; } else { alert(ajax.status); } } } //Open channel var username = […]
Explore synchronous and asynchronous, Ajax, callback functions, Promise
Table of Contents 1. Introduction to Ajax 1. The concept of asynchronous and synchronized 2. Why is it said that synchronous requests will “reload the entire page”, while asynchronous requests “will only load part of the page”. What does this mean? 3. Functions and advantages of Ajax Function Advantage 4.Why is Ajax called asynchronous javascript […]
Ajax implementation steps and principles
Ajax implementation steps and principles 1. What is Ajax? Ajax = Asynchronous JavaScript and XML. Ajax is a technology for creating fast, dynamic web pages. By exchanging a small amount of data with the server in the background, Ajax can make web pages update asynchronously. This means that parts of a web page can be […]
Cross-domain issues in Ajax requests and their solutions
Cross-domain issues Cross-domain refers to requesting the resources of another domain name from a web page of one domain name, such as currently requesting the JD server (https://www.jd.com) on the Baidu page (https://baidu.com) Resources Traditional requests will not cross domains On the a site, you can submit it through hyperlink or form form or window.location.href […]
Nodejs__code__streamline__Ajax interaction
Introduction: Full name Ajax (Asynchronous Javascript And XML) Function 1. Update content without refreshing the page 2. A method of communication between the browser and the server Commonly used parameters: XMLHttpRequest A constructor used to implement asynchronous communication between the browser and the server Example: let xhr=new XMLHttpRequest() readyState Represents the status of XMLHttpRequest 0 […]
ajax-axios sends a get request or sends a post request with request body parameters
/* axios v0.21.1 | (c) 2020 by Matt Zabriskie */ !function(e,t){“object”==typeof exports & amp; & amp;”object”==typeof module?module.exports=t():”function”==typeof define & amp; & amp; define.amd?define([],t):”object”==typeof exports?exports.axios=t():e.axios=t()}(this,function(){return function(e){function t(r){if(n[r])return n[r].exports;var o=n[r]={exports:{},id:r,loaded:!1};return e[r]. call(o.exports,o,o.exports,t),o.loaded=!0,o.exports}var n={};return t.m=e,t.c=n,t.p=””,t(0) }([function(e,t,n){e.exports=n(1)},function(e,t,n){“use strict”;function r(e){var t=new i(e) ,n=s(i.prototype.request,t);return o.extend(n,i.prototype,t),o.extend(n,t),n}var o=n(2),s=n (3),i=n(4),a=n(22),u=n(10),c=r(u);c.Axios=i,c.create=function(e){return r( a(c.defaults,e))},c.Cancel=n(23),c.CancelToken=n(24),c.isCancel=n(9),c.all=function(e){return Promise. all(e)},c.spread=n(25),c.isAxiosError=n(26),e.exports=c,e.exports.default=c},function(e,t,n){“use strict”;function r(e){return”[object Array]”===R.call(e)}function o(e){return”undefined”==typeof e}function s(e){return null! ==e & amp; […]