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Spring DataJPA Redis教程(基础版)

高璐 / 3535人阅读

摘要:本教程主要详细讲解它向提供平台的抽象由基于库的数据结构存数,以持久保存数据,并可用作数据库,缓存,消息代理等。

本教程主要详细讲解Spring Data Redis,它向Redis提供Spring Data平台的抽象.

Redis由基于key/value库的数据结构存数,以持久保存数据,并可用作数据库,缓存,消息代理等。

基础环境
技术 版本
Java 1.8+
SpringBoot 2.x.x
DataJPA 2.x.x
Jedis 2.9.x
创建项目

初始化项目

mvn archetype:generate -DgroupId=com.edurt.sli.slidr -DartifactId=spring-learn-integration-datajpa-redis -DarchetypeArtifactId=maven-archetype-quickstart -Dversion=1.0.0 -DinteractiveMode=false

修改pom.xml增加redis的支持




    
        spring-learn-integration-datajpa
        com.edurt.sli
        1.0.0
    

    4.0.0

    spring-learn-integration-datajpa-redis

    Spring DataJPA Redis教程(基础版)

    
        
            org.springframework.boot
            spring-boot-starter-web
            ${dependency.springboot2.common.version}
        
        
            org.springframework.boot
            spring-boot-starter-data-redis
            ${dependency.springboot2.common.version}
        
        
            org.projectlombok
            lombok
            ${dependency.lombok.version}
        
        
            redis.clients
            jedis
            ${dependency.jedis.version}
        
        
            io.lettuce
            lettuce-core
            ${dependency.lettuce.version}
        
    

    
        
            
                org.springframework.boot
                spring-boot-maven-plugin
                ${dependency.springboot2.common.version}
                
                    true
                
            
            
                org.apache.maven.plugins
                maven-compiler-plugin
                ${plugin.maven.compiler.version}
                
                    ${system.java.version}
                    ${system.java.version}
                
            
        
    

spring-boot-starter-data-redis整合Redis需要的依赖包,或者多带带使用spring-data-redisjedis依赖包

一个简单的应用类

/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 * 

* http://www.apache.org/licenses/LICENSE-2.0 *

* Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package com.edurt.sli.slidr; import org.springframework.boot.SpringApplication; import org.springframework.boot.autoconfigure.SpringBootApplication; /** *

SpringBootDataJPARedisIntegration

*

Description : SpringBootDataJPARedisIntegration

*

Author : qianmoQ

*

Version : 1.0

*

Create Time : 2019-06-14 00:44

*

Author Email: qianmoQ

*/ @SpringBootApplication public class SpringBootDataJPARedisIntegration { public static void main(String[] args) { SpringApplication.run(SpringBootDataJPARedisIntegration.class, args); } }
配置支持Redis

在resources资源目录下创建一个application.properties的配置文件,内容如下

spring.redis.host=localhost
spring.redis.port=6379
spring.redis.database=0
spring.redis.jedis.pool.max-active=8
spring.redis.jedis.pool.max-wait=1ms
spring.redis.lettuce.pool.max-active=8
spring.redis.jedis.pool.min-idle=0
操作Redis数据

/src/main/java/com/edurt/sli/slidr目录下创建model目录,并在该目录下新建RedisModel文件

/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 * 

* http://www.apache.org/licenses/LICENSE-2.0 *

* Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package com.edurt.sli.slidr.model; import lombok.AllArgsConstructor; import lombok.Data; import lombok.NoArgsConstructor; import lombok.ToString; import org.springframework.data.annotation.Id; import org.springframework.data.redis.core.RedisHash; /** *

RedisModel

*

Description : RedisModel

*

Author : qianmoQ

*

Version : 1.0

*

Create Time : 2019-06-14 01:06

*

Author Email: qianmoQ

*/ @RedisHash(value = "Redis") @Data @ToString @AllArgsConstructor @NoArgsConstructor public class RedisModel { @Id private String id; private String name; }

@RedisHash为每个数据库创建域类的空子类。

@Id注解的属性和被命名为id的属性会被当作标识属性

/src/main/java/com/edurt/sli/slidr目录下创建repository目录,并在该目录下新建RedisSupport文件

/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 * 

* http://www.apache.org/licenses/LICENSE-2.0 *

* Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package com.edurt.sli.slidr.repository; import com.edurt.sli.slidr.model.RedisModel; import org.springframework.data.repository.CrudRepository; import org.springframework.stereotype.Repository; /** *

RedisSupport

*

Description : RedisSupport

*

Author : qianmoQ

*

Version : 1.0

*

Create Time : 2019-06-14 00:59

*

Author Email: qianmoQ

*/ @Repository public interface RedisSupport extends CrudRepository { }

CrudRepository中提供了一些基础的增删改查的功能.

测试增删改查的功能

/src/main/java/com/edurt/sli/slidr目录下创建controller目录,并在该目录下新建RedisController文件

/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 * 

* http://www.apache.org/licenses/LICENSE-2.0 *

* Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package com.edurt.sli.slidr.controller; import com.edurt.sli.slidr.model.RedisModel; import com.edurt.sli.slidr.repository.RedisSupport; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.web.bind.annotation.*; /** *

RedisController

*

Description : RedisController

*

Author : qianmoQ

*

Version : 1.0

*

Create Time : 2019-06-14 01:05

*

Author Email: qianmoQ

*/ @RestController @RequestMapping(value = "redis") public class RedisController { @Autowired private RedisSupport support; @GetMapping public Object get() { return this.support.findAll(); } @PostMapping public Object post(@RequestBody RedisModel mode) { return this.support.save(mode); } @PutMapping public Object put(@RequestBody RedisModel mode) { return this.support.save(mode); } @DeleteMapping public Object delete(@RequestParam String id) { this.support.deleteById(id); return "SUCCESS"; } }

添加数据

shicheng@shichengdeMacBook-Pro ~> curl -X POST http://localhost:8080/redis -H "Content-Type:application/json" -d "{"id": "1", "name": "Hello Redis"}"
{"id":"1","name":"Hello Redis"}⏎

修改数据

shicheng@shichengdeMacBook-Pro ~> curl -X PUT http://localhost:8080/redis -H "Content-Type:application/json" -d "{"id": "1", "name": "Hello Redis Modfiy"}"
{"id":"1","name":"Hello Redis Modfiy"}⏎

获取数据

shicheng@shichengdeMacBook-Pro ~> curl -X GET http://localhost:8080/redis
[{"id":"1","name":"Hello Redis Modfiy"}]⏎

删除数据

shicheng@shichengdeMacBook-Pro ~> curl -X DELETE "http://localhost:8080/redis?id=1"
SUCCESS⏎

打包文件部署

打包数据

mvn clean package -Dmaven.test.skip=true -X

运行打包后的文件即可

java -jar spring-learn-integration-datajpa/spring-learn-integration-datajpa-redis/target/spring-learn-integration-datajpa-redis-1.0.0.jar
源码地址

GitHub

Gitee

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