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Spring Boot implements common functions of the Web Usually, in Web development, it involves the access support of static resources, the configuration of view parser, the customization of converter and formatter, file upload and download, and even the customization of Servlet related components associated with Web server. Spring Boot framework ...

Original website: Spring/SpringBoot -- deferred loading / Lazy loading / deferred initialization / @ Lazy annotation -- use / usage / principle_ CSDN blog brief introduction explain Delayed initialization is often referred to as "lazy loading".Definition of delayed initialization: a Bean is not initialized at startup and is not ...

Transaction processing in Spring question answering 1. What is a transaction speak mysql When a transaction is proposed, a transaction refers to a group sql A collection of statements with multiple entries in the collection sql sentence It may be insert, update, select, delete or a combination. We hope these multiple sql statements can suc ...

This article was intended to write about spring transactions, but JdbcTemplate-related functionality is used in most cases of transactions, so let's start with JdbcTemplate. What is JdbcTemplate? To review, the original way to operate db in java is pure jdbc. Whether every operation db needs to load database drivers, get connections, get Prep ...

By default, the Spring Boot project error page and information will be displayed directly on the browser. As shown below: However, after the project is actually launched, the user experience is absolutely terrible. You should give users a more friendly error prompt after encountering an error. Error page prompt Set specific status cod ...

Tip: after the article is written, the directory can be generated automatically. Please refer to the help document on the right for how to generate it 1, About multipart requests The data submitted by the forms we generally use are text data, such as our user information form. When the form is submitted, the "attribute value" ...

IoC container Container is a software environment that provides necessary support for the operation of a specific component. IoC refers to Inversion of Control Components assembled in IoC container need some kind of "injection" mechanism For example, a component needs a datasource. Instead of creating a datasource, it waits for the ...

Analysis of Agent Model 1. What is proxy mode What is the agent mode? First of all, a simple example is Zhang San (user) wants a ticket for a concert but he has no channel to buy it. Then his friend Li Si (agent) said he can buy tickets for a concert (agent method).In some cases, one object is not suitable or cannot directly refer to another ...

Most of our projects are based on spring architecture. Spring itself contains many practical tool classes. Learning the use of these tool classes can not only achieve twice the result with half the effort, but also reduce the introduction of unnecessary additional tool classes. When you view the source code of these tool classes, you can find t ...

1,Dubbo 1.1 introduction to Dubbo Apache Dubbo is a high-performance Java RPC framework. Its predecessor is Alibaba's open source and lightweight open source Java RPC framework, which can be seamlessly integrated with the Spring framework. In 2018, Alibaba donated this framework to the apache foundation 1.2 Dubbo architecture dubbo consi ...