spring boot starter data redis

-implemented data source management logic. Dbmgr: manages the ing between the project code and the database IP address and name (in the actual project, this part of data is saved in the redis cache and can be dynamically added or deleted ). Mapper: database access interface. Model: ing model. Rest: The restful API released by microservices, which is used for test

recommended to combine SPRING-JDBC to operate, write dynamic native SQL is easier to develop.Life cycle of JPA objects:New: Instantaneous object, no ID yet, and object associated with persistence context.Managed: Persisted managed object, with ID value, has already established an associated object with persistence context.Datached: A free-form offline object with an ID value, but no associated object with persistence context.Removed: deleted object w

"Problem description" The project uses Spring-boot + spring-security, the page uses the Thymeleaf template page code as follows: Login Operation code: /** * Login operation; * * @param userName username; * @param password password; * @param modelmap * @param session * @return * /@RequestMapping (value = "/login", method = requestmethod.post) public Str

=requestmethod.get) Public@ResponseBody listGetAll () {iterableGradeservice.getall (); IteratorAll.iterator (); ListNewArraylist(); while(Iterator.hasnext ()) {Grade Grade=Iterator.next (); Grades.add (grade); } returngrades; }}5. Spring Boot entry Package com.example; Import org.springframework.boot.SpringApplication; Import org.springframework.boot.autoconfigure.SpringBootApplication; @Spr

= Stringredistemplate.get ("test");Stringredistemplate.delete ("test"); Delete a keyRedistemplate.opsforset (). Add ("Testset", "1");Set... ...Spring Data RESTSpring data rest supports the automatic conversion of repository such as spring data JPA to rest services.Direct ac

1. Introduction of two dependenciesDependency> groupId>Org.springframework.bootgroupId> Artifactid>Spring-boot-starter-data-jpaArtifactid>Dependency>Dependency> groupId>MysqlgroupId> Artifactid>Mysql-connector-javaArtifactid>Dependency>2. Modify the data source confi

Original link: http://blog.csdn.net/yunhaibin/article/details/9001198 Recent research into Redis, and spring data support for Redis, has found a strange phenomenonFirst say the phenomenon, through the redistemplate under the Opsforhash method to store the value of the hash type, after the successful operation, to

1. PrefaceEncountering a problem with the user experience in development, each time an operation is updated to restart the server, it causes the logged-in user of the membership platform to be dropped. This is because the session information and status of each user are saved by a session, and the session object is created by the server, and the session ID is sent to the client browser in the form of a cookie (each session has a separate sessionid). When the object is not used for a certain amoun

Here is an article that is very clear: Spring boot multi-data source configuration and useHeterogeneous database multi-source supportFor example, in our project, we need support for MySQL, as well as a query for MongoDB.Entity classes declare @Entity relational database support types, declared @Document as MongoDB support types, and different

1. Spring-data-redis IntroductionEncapsulates the Redis client, making it easier to use.The advantage is that the client connection is placed in a connection pool to improve performance. There is also the ability to switch between different clients without changing one line of code (a technique that

Spring Data Operations Redis detailedRedis is a NoSQL database that stores data in the form of Key-value, where data can exist in memory or persisted to the file system. Spring data is

Spring Boot integrates mybatis with multiple data sources. springmybatisPreface This tutorial is applicable to practical scenarios. You can simply add the copy code to your project for simple repair, modification, and usage. springboot and mybatis are not described here, if you want to learn more, you can leave a message for me and continue to pay attention to it

/project/tomcat/tomcat-jdbc-pool.htmlSpring Boot prepares us for the best database connection pool scenario by configuring the required connection pool parameters in the properties file (for example, application.properties).After the introduction of the SPRING-BOOT-STARTER-JDBC, the internal TOMCAT-JDBC package is incl

Recent research into Redis, and spring data support for Redis, has found a strange phenomenon First say the phenomenon, through the redistemplate under the Opsforhash method to store the value of the hash type, after the successful operation, to the Redis console to display

Prepare beforehand1. Download Redishttps://github.com/MicrosoftArchive/redis/releases/tag/win-3.2.1002. Download the Redis visualization toolHttps://redisdesktop.com/download3. Start Redis CD%redis% Redis-server.exe Configuration4, Pom.xml additionalSpring-

The structure of this article:-What is Springdata JPA-Springboot Integrated Spring data JPA The core interface of Spring Data repository is repository (it seems to be nothing to be surprised). This interface requires the domain class with the ID type of the domain class as the parameter. This interface is primarily f

When performing performance optimizations on Redis, you always want to read and write the Redis. However, due to the use of Spring-data-redis on the bottom of the project to operate Redis, referring to the

": "2", "Name": "Bes" Ijing "," state ":" BJ "},{" Country ":" CN "," id ":" 3 "," Name ":" Guangzhou "," state ":" GD "}]Actual: [{"id": "1", "name": "San Francisco", "state": "CA", "Country": "US"},{"id": "2", "name": "Beijing", "state": " BJ "," country ":" CN "},{" id ":" 3 "," Name ":" Guangzhou "," state ":" GD "," country ":" CN "}] * */}}References Wang Yunfei. "Spring Boot Combat"

efficiency. The difference is that Redis periodically writes the updated data to the disk or writes the modification operation to the appended record file, and on this basis, realizes the Master-slave (master-slave) 3, coding implementation 1), Configuration of the file (properties) Configure those parameters that are often changed into separate propertis to facilitate later modifications Redis.properti

Spring-data-redis: Distributed queueReturn Script Blackstone The list data structure in Redis, with the characteristics of "double-ended queue", and the ability of Redis to have persistent d