This blog Uncle cat's blog , reprint please state the source

This series of tutorials is HMStrange project Incidental.

Historical articles

• How to install the latest version of CentOS 7.6 in VMware 12
• CentOS 7.6 install Java8
• Centos7.6 install MySQL+Redis (latest version)
• Getting started with SpringBoot+MySQL+MyBatis

Tutorial content

Note: this series of development tools are IDEA

1. To build a project, choose three basic Maven dependencies: Lombok (I found later that it was not used), Web and Redis.

pom file

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>
    <parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>2.1.4.RELEASE</version>
        <relativePath/> <!-- lookup parent from repository -->
    </parent>
    <groupId>com.github.myself</groupId>
    <artifactId>redisdemo</artifactId>
    <version>0.0.1-SNAPSHOT</version>
    <name>redisdemo</name>
    <description>Demo project for Spring Boot</description>

    <properties>
        <java.version>1.8</java.version>
    </properties>

    <dependencies>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-data-redis</artifactId>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
        </dependency>

        <dependency>
            <groupId>org.projectlombok</groupId>
            <artifactId>lombok</artifactId>
            <optional>true</optional>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-test</artifactId>
            <scope>test</scope>
        </dependency>
    </dependencies>

    <build>
        <plugins>
            <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
            </plugin>
        </plugins>
    </build>

</project>

2. Prepare for Redis. Here you can refer to the installation of Redis in the historical article. I use the Redis Desktop Manager desktop tool to link

3. To build a project directory, I built a common web project directory, which cuts the dao layer, and only consists of service and controller

4. Fill in application.yml, the default generation is not YML, but I think the visual effect of YML is better, so we need to fill in the Redis link information

spring:
  redis:
    host: 192.168.192.133

5. Build a service interface, where two set and get information businesses are generally implemented

package com.github.myself.service;

/**
 * Created by MySelf on 2019/4/11.
 */
public interface MsgService {

    public String setMsg(String key,String msg);

    public String getMsg(String key);

}

6. Interface implementation, introduction of RedisTemplate

package com.github.myself.service.impl;

import com.github.myself.service.MsgService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.stereotype.Service;

/**
 * Created by MySelf on 2019/4/11.
 */
@Service
public class MsgServiceImpl implements MsgService {

    @Autowired
    private RedisTemplate redisTemplate;

    @Override
    public String setMsg(String key,String msg) {
        redisTemplate.opsForValue().set(key,msg);
        return "success";
    }

    @Override
    public String getMsg(String key) {
        return (String) redisTemplate.opsForValue().get(key);
    }
}

7. The business of the controller layer is realized

package com.github.myself.controller;

import com.github.myself.service.MsgService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;

/**
 * Created by MySelf on 2019/4/11.
 */
@RestController
@RequestMapping("/msg")
public class MsgController {

    @Autowired
    private MsgService msgService;

    @GetMapping("/set")
    public String setMsg(@RequestParam(value = "key") String key,@RequestParam(value = "msg") String msg){
        return msgService.setMsg(key,msg);
    }

    @GetMapping("/get")
    public String getMsg(@RequestParam(value = "key") String key){
        return msgService.getMsg(key);
    }

}

8. Start the project and use Postmane test

9. Project download address

Welcome to hmspan project for download: https://github.com/UncleCatMy...

Public number: Java cat says

Learning exchange group: 728698035

Now architecture design (code farming) and entrepreneurial technology consultant, uninhibited mediocre, love open source, talk about program life and irregular dry goods.