why spring boot is used for microservices

The DAO code is as follows:@Repositorybr/> @EnableCaching@Cacheable (keygenerator = "Cachekeygenerator", Cachenames = Array ("Merinfo"))Private def findbyname (name:string): option[user] = { val sql = "" //此处为sql val rs = jdbcTemplate.queryForRowSet(sql, name) if (rs.next()) { Some(User( rs.getString("name"), rs.getString("age")

Background: The Spring Boot integrated Servlet is released as a ready-to-run war package for later packaging as a Docker image. Original Address Https://github.com/weibaohui/springboot-servlet-jsp-war-demo #1, Build.gradle configuration note, added the war plug-in, the dependency of Jstl, Tomcat-embed-jasper, so as to run the JSP page.buildscript { ex

1: Add Dependency: Dependency> groupId>Org.thymeleaf.extrasgroupId> Artifactid>Thymeleaf-extras-springsecurity4Artifactid> Dependency> Dependency> groupId>Org.springframework.bootgroupId> Artifactid>Spring-boot-starter-securityArtifactid> Dependency>2: Create validation Service integration Userdetailservice Packagecom.qingwenwei.security;Importjava

Today, I encountered a strange thing. I configured transactions in the Spring configuration file and performed transactions on all methods at the Service layer. However, when I tested one of the methods, it is found that it is not a transaction, and the first operation in it is completed, but the second operation fails

In Spring, @ RequestParam is used to accept url parameters of the Date type, @ requestparamdate First introduce the joda-time package. Maven dependency: In the Controller code: public String testMethod(@RequestParam @DateTimeFormat(pattern="yyyy-MM-dd") Date testdate){ System.out.println(testDate);} Use pattern to specify the date format. Test url: ?

In Spring MVC, Swagger2 is used to build a dynamic RESTful API. When multiple terminals (WEB/mobile terminals) require public service logic, a RESTful service is generally built for multiple terminals. To reduce frequent communication costs with the corresponding terminal development team, we will create a RESTful API

Spring's jdbctemplate operations 1.Spring Frame One-stop framework for Java EE Three layer, each layer has a resolution technology on the DAO layer, using JdbcTemplate 2.Spring support for different persistence technologies Spring provides templates and callbacks for simple operations for a variety of supported persistence technologies. ORM Persistence Technology

The static directory of the spring boot program defaults to the Resources/static directory, which, when packaged as a jar, packs the static directory in such a way that there are some problems: Too many static files, resulting in too large jar package size Temporary modification Inconvenient Looking at the official documentation, you can see that the static can be external.Method 1 Modify

The Spring boot project defaults to using an inline tomcat package as a jar, and we can make some changes to package it as a war package:modifying Maven's Pom.xml Packaging >Warpackaging>The inline tomcat dependency is then modified to:Dependency> groupId>Org.springframework.bootgroupId> Artifactid>Sprin