Programming VIP

Configuring cross domain Cors with SpringBoot 01. Homology strategy The same origin policy is a security function of the browser. Client scripts from different sources cannot read or write to each other's resources without explicit authorization. Homology policy is the cornerstone of browser security. What is the source The source [origin] ...

Mainstream Message Oriented Middleware ActiveMQ summary from Apache Produce,Java development,support JMS1.1 Agreement and J2EE14 standard. Support a wide range of connection protocols: OpenWire/STOMP/REST/XMPP/AMQP Support multiple voice clients,Support Plug-Ins Convenient management,Easy to configure cluster agent advantage be bas ...

Global exception handler (Global return processing is still required after completion) When I first started to contact the project structure, I may have doubts about some of them. For example, I actually do Rewriting ErrorController does not jump to the native error page, but throws our custom exception Global exception handling refers to t ...

Use of Easypoi package preface Recently, my boss asked me to implement an import and export function. Because this project is a very old maintenance project, the JExcel API package is still used for the import and export of excel. Although I have encapsulated the tool class, I still feel very troublesome ~, especially the title, which keeps a ...

Introductory test Identify requirements Project Name: Journey Addition, deletion, modification and query of databaseThe primary and secondary menus of the page are displayed.Image upload and deletionSide catalogue displayPage Pagination Determine the tools and frameworks used springboot framework, idea, mysql, mybatis, maven Design table ...

This paper introduces how to configure multiple data sources to connect to the database, set the secondary cache function of sql text, and configure multiple data sources and data connection pool in MyBatis project. For everyone to develop and practice at ordinary times to provide reference and query tool articles. Code download Baidu online d ...

abstract Spring MVC uses message converter to realize automatic conversion between request message and object, object and response message summary In spring MVC, the @ RequestBody and @ ResponseBody annotations can be used to complete the conversion from request message to object and object to response ...

Message Queue Introduction A message is the data being transmitted Message Queue is a form of communication that can be returned immediately after sending a message There is a messaging system to ensure reliable delivery of messages Message publishers can only publish messages to MQ without having to care about others Message consumers ...

OAuth 2 has four authorization modes: authorization code mode, implicit mode, resource owner password credentials mode and client credentials mode. Please refer to this chapter for specific OAuth 2. ( http://www.ruanyifeng.com/blog/2014/05/oauth_2_0.html) In this paper, we will use authorization code mode and password mode to realize user au ...

0. After reading this article, you will learn How to implement a basic registration verification processHow to customize an annotation 1. General In this article, we will use Spring Boot to implement a basic mailbox account registration and verification process. Our goal is to add a complete registration process that allows users to register ...