Ajax learning notes

Ajax It is a set of methods provided by the browser, which can update the data without refreshing the page (i.e. locally update the data in the page in the process of browsing the web page), and improve the user's experience of browsing the website application. Note: ajax technology needs to run in the website environment and take effect. It s ...

Added by nsr500rossi on Wed, 02 Feb 2022 03:16:18 +0200

Deep understanding of cross domain issues

Deep understanding of cross domain issues In this article, you will learn: What is homology, what is cross domain, what is source, and how to cross domain 1. Software description Demo using web Services: django3.2 python3.9 vue 2 2. Problem description What is cross domain CORSWhat is homology strategyHow to implement cross domain 3. P ...

Added by jeephp on Tue, 01 Feb 2022 10:31:29 +0200

Spring MVC response data and result view & file upload & exception handling & interceptor - > (personal learning notes)

springmvc 1. Response data and results view 1.1 return value classification 1.1.1 return string The return string of the Controller method can specify the name of the logical view and the address of the physical view according to the view parser. <a href="user/testString" >testString</a> /** * Return String * @param model ...

Added by qazwsx on Sat, 22 Jan 2022 18:57:50 +0200

Three stages of Java learning - VUE classroom

0 HBuilderX modify comments Path: root directory \ plugins \ theme default \ themes \ default File name: default XML file Modify color: 1. Getting started with Vue 1.1 what is Vue Vue (pronunciation / vju) ː/, Similar to view) is a progressive framework for building user interfaces. Unlike other large frameworks, Vue i ...

Added by zaneosak on Wed, 19 Jan 2022 14:45:48 +0200

Ajax review 02-(form, axios interceptor, FormData file upload)

What is a form In web pages, forms are mainly responsible for data collection. The three components of a form The form for collecting data in the web page consists of three parts: form label, form field and form button. Form label The HTML form is a "container" used to delimit the specified area on the page as the form area Fo ...

Added by HHawk on Wed, 19 Jan 2022 02:56:35 +0200

Java learning record 08spring MVC restful style

Spring MVC rest style REST (Representational State Transfer) is the most popular software architecture style at present REST refers to a set of architectural constraints and principles. Applications or designs that meet these constraints and principles are RESTful REST features: Resources: all things on the Internet can be abstracted as ...

Added by jbachris on Sat, 15 Jan 2022 23:07:00 +0200

Thoroughly understand what cross domain is and how to solve cross domain problems

Homology strategy Browsers have homology policy restrictions. The same origin policy is a kind of convention. It is the core and basic security function of the browser. If the same origin policy is missing, the normal functions of the browser may be affected. The same origin policy prevents JavaScript scripts in one domain from in ...

Added by myshoala on Fri, 14 Jan 2022 04:01:01 +0200

AJAX-04 (homology & cross domain) (anti shake & throttling)

1. Homology Strategy & cross domain 1. Homology: two URL addresses have the same protocol, host name and port number. The Same origin policy is a security function provided by the browser. The browser's homology policy stipulates that resource interaction between non homologous URL s is not allowed. 2. Cross domain: Homology mean ...

Added by Scud on Wed, 12 Jan 2022 23:04:10 +0200

Service request mode

Service request mode Native Ajax The native Ajax, XMLHtpRequest (XHR), uses the XMLHtpRequest object to asynchronously request data, so that the front end can asynchronously exchange data with the server. The data on a URL can be easily obtained through Ajax. XMLHtpRequest was originally designed by Microsoft, and then supported by Mila, Appl ...

Added by raghavan20 on Tue, 11 Jan 2022 17:49:09 +0200

03_ 01_ Detailed explanation of front-end JavaScript

JavaScript details - Lao sun Course objectives: JavaScript introductionCombination of HTML and JavaScriptUse of JavaScriptDOM operationBOM operation 1. Introduction to JavaScript Although java is used as the prefix, the relationship between java and javascript is like the relationship between wife and wife cake. There is no relationship of ...

Added by Miker on Tue, 04 Jan 2022 13:00:37 +0200