Spring mvc02: the first MVC program

Configuration version 1. Create a new Moudle, springmvc-02-hello, and add web support! 2. Make sure the dependency of spring MVC is imported! 3. Configure web XML, register DispatcherServlet <?xml version="1.0" encoding="UTF-8"?> <web-app xmlns="http://xmlns.jcp.org/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema ...

Posted by phbock on Sat, 12 Feb 2022 07:15:53 +0100

[Spring MVC source code analysis] HandlerMapping

Members of the HandlerMapping family can be divided into two branches. One is inherited from AbastractUrlHandlerMapping, the other is inherited from AbastracHandlerMethodMapping, and both are inherited from AbastractHandlerMapping. The green box AbstractHandlerMapping abstract class implements the skeleton logic of [obtain the processors and ...

Posted by bhavin12300 on Sat, 12 Feb 2022 05:49:07 +0100

Discussion of some issues with Spring transactions

When a spring transaction is mentioned, it is reminiscent of four basic characteristics, five isolation levels and seven communication characteristics. I'm sure most people know this, but knowing it's one thing, and using it well is another. When using Spring transactions, I've encountered several serious issues, so I'll make a self-summary her ...

Posted by Kibit on Fri, 11 Feb 2022 22:24:52 +0100

[Spring] book reading notes -- the birth of ORM and the integration of Spring

preface Review the established development rules and DAO mode—— Development standards introduced on Oracle official website (browse)What is JDBCDefects of JDBCBirth of ORMORM integration efforts 1. JDBC 1.1 what is JDBC The following contents are sorted to Baidu JDBC (Java Database Connectivity) is an application program int ...

Posted by GarroteYou on Fri, 11 Feb 2022 17:23:45 +0100

Learn JdbcTemplate from Spring framework

JdbcTemplate JdbcTemplate is Spring's encapsulation of JDBC to make JDBC easier to use. The JdbcTemplate is part of Spring. The JdbcTemplate handles the creation and release of resources. It helps us avoid some common mistakes, such as forgetting to always close the connection. It runs the core JDBC workflow, such as the establishment and exec ...

Posted by Anzeo on Fri, 11 Feb 2022 15:36:38 +0100

Spring boot quick start

Getting started SpringBoot SpringBoot is a new framework provided by pivot team. It is designed to simplify the initial construction and development process of Spring applications quick get start 1. Create a new module interface 2. Check SpringWeb under Web. For spring MVC dependency, click Finish 3. Write a simple business layer code ...

Posted by Mistah Roth on Fri, 11 Feb 2022 14:47:18 +0100

Spring Certification Guide: learn how to use spring to perform form validation

Original title: Spring certified China Education Management Center - learn how to use spring to perform form verification (spring China Education Management Center) This guide will guide you through the process of configuring Web application forms to support validation. What will you build You will build a simple Spring MVC application t ...

Posted by env-justin on Fri, 11 Feb 2022 14:11:23 +0100

12 scenarios of Spring transaction failure

preface For students engaged in java development, spring affairs must be familiar. In some business scenarios, the data of multiple tables needs to be written simultaneously in one request. In order to ensure the atomicity of operations (success or failure at the same time) and avoid data inconsistency, we generally use spring transactions. ...

Posted by black.horizons on Fri, 11 Feb 2022 13:31:04 +0100

Automatic assembly mechanism of SpringBoot

​SpringBoot3.0 is coming out. It is said that the minimum requirement of JDK is 17??? My darling, JDK8 hasn't fully understood. First learn about springboot. 1, What is SpringBoot Official description: Translation: Through Spring Boot, you can easily create independent, production level Spring based applications and "run" them. ...

Posted by massimoGornatti on Fri, 11 Feb 2022 12:54:11 +0100

It is said that you can master Spring Boot integration, timed tasks and asynchronous calls in ten minutes?

1. Scheduled tasks In project development, we often need timed tasks to help us do some content, such as sending SMS / station information regularly, data summary and statistics, business monitoring, etc., so we need to use our timed tasks. It is very simple to write timed tasks in Spring Boot. The following is an example of how to create time ...

Posted by scialom on Fri, 11 Feb 2022 00:07:07 +0100