spring boot database example

precedence over allow when there is a common) servletregistrationbean.setinitparameters (initparameters); returnServletregistrationbean; } @Bean PublicFilterregistrationbean Filterregistrationbean () {Filterregistrationbean Filterregistrationbean=NewFilterregistrationbean (); Filterregistrationbean.setfilter (NewWebstatfilter ()); Filterregistrationbean.addurlpatterns ("/*"); Filterregistrationbean.addinitparameter ("Exclusions", "*.js,*.gif,*.jpg,*.png,*.css,*.ico,/druid/*"); returnFilterregis

see the monitoring information for a particular example.Sample codeEmail alertsSpring Boot Admin Shows all the application information in the micro-service in the background, so it is very convenient for us to monitor and govern the micro-service overall. But our operators are not able to stare at the background 24 hours a day, so if the service is abnormal, there is a corresponding message alarm is too good, in fact,

: spring boot contains a lot of starter modules, simply put, each starter module is a series of dependent package combinations. The Starter-web module, for example, is a common dependency package that includes some of the spring boot predefined web development, supporting fu

Spring Boot boot process The Spring Boot series-5 minutes to build an app-explains how to quickly create a spring boot project and run it. Although the steps are simple and the develope

Tags: name imp void gap enabled IDE Exce deploy presenceOne: Add comments to the Springboot startup class:@EnableTransactionManagement @EnableDiscoveryClient @SpringBootApplication @EnableFeignClients @EnableTransactionManagement Public class deploymentserviceapplication { publicstaticvoid main (string[] args) { springapplication.run (deploymentserviceapplication. class , args); } } Two: Add the annotation in the corresponding place: @Transactional can @Service Public class

://image.uc.cn//s/wemedia/s/upload/2017/ 53a906b18e4073aec300ce79f084d340x1246x631x25.png "alt=" 53a906b18e4073aec300ce79f084d340x1246x63 "/>DescriptionThe 1 indicates:When the user name, password exists, from the session to get the user really need to go to the page, and then through the redirect to the corresponding pageThe 2 indicates:The login page that jumps directly when the user is not logged in.To run the project:The direct access hijsp path is not logged in and is redirected to the logi

Framework. The main responsibility of Spring Boot Starter is to combine a group of common or related dependencies into single Depende Ncies. We'll explore this statement in detail with one example.For instance, we would like to develop a Spring webapplication with Tomcat WebServer. Then we need to add the following minimal jar dependencies in your Maven ' s pom.

It is believed that many people choose spring boot primarily because it takes into account the power of spring and the ease with which it can be developed quickly. In the spring boot use process, the most intuitive feeling is not the original integration of the

‘javax.jms.ConnectionFactory‘, ‘org.apache.activemq.ActiveMQConnectionFactory‘ (OnClassCondition)AopAutoConfiguration:Did not match:- @ConditionalOnClass did not find required classes ‘org.aspectj.lang.annotation.Aspect‘, ‘org.aspectj.lang.reflect.Advice‘ (OnClassCondition)ArtemisAutoConfiguration:Did not match:- @ConditionalOnClass did not find required classes ‘javax.jms.ConnectionFactory‘, ‘org.apache.activemq.artemis.jms.client.ActiveMQConnectionFactory‘ (OnClassCondition)BatchAutoConfigura

framework can rely on other ORM framework - Dependency> groupId>Org.springframework.bootgroupId> Artifactid>Spring-boot-starter-data-jpaArtifactid> Dependency> Thymeleaf the startup item dependency of the program, Spring-boot support for thymeleaf template engine is best, it

environment is not run up. So you spend a lot of time looking for it, and finally find out that there is a problem with a parameter or a comma, or the system kernel version is inconsistent, or you don't understand why! You can only switch to another server, so using Docker is a perfect escape from these pits.All right, no more nonsense, let's get started!Spring Boot CaseFirst we prepare a

add the message Converter's @bean to the spring container in the @configuration class, and it will be automatically added to the container by spring boot.code example: @Bean public Stringhttpmessageconverter Stringhttpmessageconverter () { stringhttpmessageconverter converter = new Stringhttpmessageconverter ( charset.forname ("UTF-8

4.0, which is dynamically judged by implementing the matches method of the condition interface. Let's take a look at how the condition interface is used.1. Spring 4.0 starts with the Condition interface.Let me give you an example. It is necessary to create an Dbservice class in the application that operates the database, which uses an instance of JdbcTemplate. T

next period of time will be an important decision-making basis for the upgrade or not, because the spring boot 1.x version clearly illustrates the absence of a support plan for Java 9, in other words, if you want to run spring boot on Java 9, Then you must upgrade to Spring

remark: A basic understanding of spring boot has been made through the previous chapters, but spring boot is just a box that encapsulates an integrated reference and needs to be combined with a specific project to really use it. The main record is to use spring

://image.uc.cn//o/wemedia/s/upload/2017/ 2ff5df82a80104a8e9c46476bcdd3332x996x519x15.png;,3,jpegx;3,700x.jpg "alt=" 2ff5df82a80104a8e9c46476bcdd3332x996x519 "/>So what if we want to define ourselves?Remember the global configuration you learned before?650) this.width=650; "Src=" http://image.uc.cn//o/wemedia/s/upload/2017/ 21f59b3361cbc0ea507f04c380e78a31x510x98x4.png;,3,jpegx;3,700x.jpg "alt=" 21f59b3361cbc0ea507f04c380e78a31x510x98x "/>In the global configuration file, we can customize the pre

Say in front: The spring boot has also been a preliminary understanding, but spring boot is also a lot of application module POM configuration, and so on a series of things, need to remember Make a record so you can look back when you don't remember. 1. Spring

exactly the same configuration, but to another environment is not run up. So you spend a lot of time looking for it, and finally find out that there is a problem with a parameter or a comma, or the system kernel version is inconsistent, or you don't understand why! You can only switch to another server, so using Docker is a perfect escape from these pits.All right, no more nonsense, let's get started!Spring Boot