[JAVA] [For internal use] For those assigned to the Spring Boot project (under construction)

This agenda is used to explain to employees who have been assigned to Spring Boot for the first time.

Prerequisite knowledge

Development environment


Aim to be able to:

Library description

Spring Boot



What is Maven

[For super beginners] Maven super introduction

Specific explanation

1. Explanation of folder structure

Spring and MVC

1. Add screen


  1. Place the HTML in the src / main / static / template folder
  2. Create a method in Controller class that returns the created HTML


public ModelAndView index(ModelAndView mav) {
    return mav;


2. Add Restful API


POST API (file upload)

Restful API https://qiita.com/TakahiRoyte/items/949f4e88caecb02119aa

3. Access DB with MyBatis

MyBatis Official Website


DAO class

  1. Spring Security Spring Security Reference Thymeleaf + Spring Security integration basics


Set the following items, etc.


5. How to use Maven

Settings on existing system

Maven update in eclipse

After modifying pom.xml, update it with" Right-click project> Maven> Update project ".

Generate jar file (for deployment)

6. Spring Boot related

application.properties https://docs.spring.io/spring-boot/docs/current/reference/html/common-application-properties.html

Profile https://area-b.com/blog/2015/01/30/2316/ http://endok.hatenablog.com/entry/2016/06/12/181900 https://docs.spring.io/spring-boot/docs/current/reference/html/boot-features-profiles.html

Settings on existing system

Deployment method

  1. Run mvn install -Dmaven.test.skip = true with the command to generate the jar file
  1. Start the server with the java command

Log settings for existing projects


Spring @autowired





CREATE table user (
  SERIAL user_id NOT NULL,
  TEXT user_name NOT NULL,
  TEXT section NOT NULL,
  PRIMARY KEY (user_id)

Add Controller class

Creating an HTML file

Create sample.html and display the contents of sample.html with URL /sample.html

Create GET API (1 parameter)

Create GET API (pass one piece of information)

Create GET API (pass multiple information)


Create POST API (file upload)

Access to database

SELECT with ʻuser_id`

SELECT by user name or department

ʻUser` INSERT into table

Store information in a hierarchical class with a single SELECT statement


Modify pom.xml to use external library

Generate a jar file and start the server with the java command

Check the log

Sentence problem




Addition of Restful API

@RequestBody, @RequestParam, etc.

file upload

Introduction of MyBatis

Spring Boot Thorough Introduction Chapter 14 Sample Web System

Servlet issues

[Supplement] Comparison with Terasoluna

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