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catalogue Environment construction database Create Maven project Configuration item Write project Create package structure Writing back-end code pojo package util package   service package serviceimpl package controller package Create front-end display page Possible problems Tomcat startup failed. Garbled code problem We ...

1, Ajax $.ajax({ url:"Server interface address", type:"get or post", //Request type data:{ //If there are no parameters, they can be omitted Parameter name: Parameter value, ... : ... }, dataType:"json", //Automatically call JSON.parse() to convert the json string returned by the server into an array or object directly ...

Vue quick start (Part 2) (for emergency use) 8, Asynchronous communication using Axios (emphasis) 8.1 what is Axios Axios is an open source asynchronous communication framework that can be used in browser and Nodejs. Its main function is to realize Ajax asynchronous communication. Its functional features are as follows: Create XMLHttpRe ...

GET, POST and REQUEST usage in PHP I$_ GET array GET is the most primitive request method in HTTP. Clicking a hyperlink in a web page or entering a URL in the address bar will send a GET request. In the GET request, the data is sent after the URL, just like this: HTTP://www.phpboke.com/request.php?id=root&password=asdfl . PHP encapsulate ...

Cross domain problem summary 1. Why is there a cross domain problem? The reason is that the browser adopts the Same origin policy for security 2. What is homology strategy? 1. Homology strategy is composed of Netscape A well-known security policy is proposed, which is now supported by all JavaScript All browsers will use this strategy. ...

CORS detailed explanation and treatment method reference resources: http://javascript.ruanyifeng.com/bom/cors.html CORS (cross origin resource sharing): cross source resource sharing allows browsers to send XMLHttpRequest requests to from different sources, which overcomes the limitation that ajax can only be used from the same source. Moder ...

  rem layout and introduce js code into the page. (function (doc, win) { var docEl = doc.documentElement, resizeEvt = 'orientationchange' in window ? 'orientationchange' : 'resize', recalc = function () { var clientWidth = docEl.clientWidth; if (!clientWidth) return; if (clientWidth > 1024) { docEl.s ...

axios token authority authentication request mechanism Detailed explanation of parameter attributes Mechanism process 1. Login The user enters the account and password to log in. After successful login, save the user information, token and other information to the local localstorage. 2. Add request header to global axios When importing th ...

1. Simple introduction to JQuery 1.1 introduction to JQuery jQuery is a JavaScript library.The so-called library is a JS file, which encapsulates many predefined functions, such as obtaining elements, performing hiding, moving, etc. The purpose is to call directly when in use without repeated definition, which can greatly simplify JavaScr ...

Hello, I'm hottie. I'll organize jQuery learning tutorials for you today.   catalogue 1, Introduction to jQuery 2, Usage of jQuery 3, jQuery selector 4, Selection set filtering 5, Selection set transfer 6, Get and set element content 7, Get and set element properties 8, jQuery event 9, Event agent 10, JavaScript object 11, json ...