The above steps complete the creation of the base project. The following files are automatically generated

File upload is a common form submission for web pages. Essentially, file upload is a POST request sent by the front end and accepted by the back end. How do you upload files in Spring Boot?

For when we develop spring web application such as IOException, ClassNotFoundException checked exceptions, such as the compiler will be prompted to programmers often use try-catch explicitly capture, For like a ClassCastException, NullPointerException this...

I. Environment preparation 1. Table preparation 2. Project Configuration 3. Table association POJOs 2. Repository API declaration 3. SQL = 'name' and 'money'; SQL = 'name' and 'money'; SQL = 'money';

Write a JdbcProperties class in Resources and configure the ConfigurationProperties annotation. Use Lombok to configure the Data annotation

TraceId Description Enables you to define the interceptor logback effect of configuring TraceId

This article uses Spring 4.2+ as an example, which was slightly different before this release. The author since 2014 began to contact and use the Spring event, according to the Spring event principle developed JFinal - event: https://gitee.com/596392912/JFinal-eve...

In 2020, he signed a contract with publishing House of Electronics Industry and began to write his first book. After nearly a year, my first book was finally published. After the book was published, I sorted out my years of writing. In the beginning I was a little transparent writer, with no reading, no followers

In the last article, we integrated Redis with SpringBoot and used a RedisTemplate to manipulate cached data, which is flexible. Today we are going to talk about the Spring Cache annotation that Spring provides for us. Spring supports multiple caching technologies: RedisCacheManager, EhCache...

Many times we write DAO interfaces to write a method to query all the records, but when the data volume is very large, query all the records will be very slow, we need to use paging query. Pagehelper is a great pagination plug-in.