spring boot 自学笔记(三) Redis集成—RedisTemplate

spring boot 基于Spring,  Redis集成与Spring大同小异。

文章示例代码均以前篇笔记为基础增加修改，直接上代码：

pom.xml  Redis相关依赖：

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1. <?xml version="1.0" encoding="UTF-8"?>  
2. <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"  
3.     xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">  
4.     <modelVersion>4.0.0</modelVersion>  
5.     <groupId>com.vic</groupId>  
6.     <artifactId>vic</artifactId>  
7.     <version>0.1.0</version>  
8.   
9.     <properties>  
10.         <java.version>1.7</java.version>  
11.     </properties>  
12.       
13.     <parent>  
14.         <groupId>org.springframework.boot</groupId>  
15.         <artifactId>spring-boot-starter-parent</artifactId>  
16.         <version>1.3.8.RELEASE</version>  
17.     </parent>  
18.   
19.     <dependencies>  
20.         <!-- spring boot -->  
21.         <dependency>  
22.             <groupId>org.springframework.boot</groupId>  
23.             <artifactId>spring-boot-starter-web</artifactId>  
24.         </dependency>  
25.           
26.         <!-- mybatis -->  
27.         <dependency>  
28.             <groupId>org.springframework.boot</groupId>  
29.             <artifactId>spring-boot-starter-jdbc</artifactId>  
30.         </dependency>  
31.   
32.         <dependency>  
33.             <groupId>org.mybatis</groupId>  
34.             <artifactId>mybatis-spring</artifactId>  
35.             <version>1.2.2</version>  
36.         </dependency>  
37.         <dependency>  
38.             <groupId>org.mybatis</groupId>  
39.             <artifactId>mybatis</artifactId>  
40.             <version>3.2.8</version>  
41.         </dependency>  
42.   
43.         <dependency>  
44.             <groupId>mysql</groupId>  
45.             <artifactId>mysql-connector-java</artifactId>  
46.         </dependency>  
47.   
48.         <dependency>  
49.             <groupId>com.mchange</groupId>  
50.             <artifactId>c3p0</artifactId>  
51.             <version>0.9.2.1</version>  
52.         </dependency>  
53.           
54.           
55.         <!-- redis -->  
56.         <dependency>  
57.             <groupId>org.springframework.boot</groupId>  
58.             <artifactId>spring-boot-starter-redis</artifactId>  
59.   
60.         </dependency>  
61.           
62.         <!--Gson-->    
63.         <dependency>    
64.             <groupId>com.google.code.gson</groupId>    
65.             <artifactId>gson</artifactId>    
66.         </dependency>    
67.           
68.           
69.     </dependencies>  
70.     <build>  
71.         <plugins>  
72.             <plugin>  
73.                 <groupId>org.springframework.boot</groupId>  
74.                 <artifactId>spring-boot-maven-plugin</artifactId>  
75.             </plugin>  
76.         </plugins>  
77.     </build>  
78. </project>  

application.properties增加redis相关属性：

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1. #datasource  
2. spring.datasource.jdbcUrl=jdbc:mysql://115.28.92.178:3306/wms?useUnicode\=true&characterEncoding\=utf8;autoReconnect\=true;maxReconnects\=10;connectTimeout\=180000;socketTimeout\=180000  
3. spring.datasource.user=root  
4. spring.datasource.password=xx  
5. spring.datasource.driverClass=com.mysql.jdbc.Driver  
6. spring.datasource.maxActive=100  
7. spring.datasource.initialPoolSize=5  
8. spring.datasource.minPoolSize=5  
9. spring.datasource.maxPoolSize=20  
10. spring.datasource.maxStatements=100  
11. spring.datasource.maxIdleTime=3600  
12. spring.datasource.acquireIncrement=2  
13. spring.datasource.acquireRetryAttempts=10  
14. spring.datasource.acquireRetryDelay=600  
15. spring.datasource.testConnectionOnCheckin=true  
16. spring.datasource.idleConnectionTestPeriod=1200  
17. spring.datasource.checkoutTimeout=100000  
18.   
19.   
20. #redis  
21. spring.redis.hostName=115.28.92.178  
22. spring.redis.port=6379    
23. spring.redis.password=xxx  
24. spring.redis.pool.maxActive=8    
25. spring.redis.pool.maxWait=-1    
26. spring.redis.pool.maxIdle=8    
27. spring.redis.pool.minIdle=0    
28. spring.redis.timeout=0  

com.vic.config包中新增RedisConfig.java:

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1. /** 
2.  *  
3.  * @author vic 
4.  * @desc redis config bean 
5.  * 
6.  */  
7. @Configuration  
8. @EnableAutoConfiguration  
9. public class RedisConfig {  
10.   
11.     private static Logger logger = Logger.getLogger(RedisConfig.class);  
12.       
13.     @Bean  
14.     @ConfigurationProperties(prefix="spring.redis")  
15.     public JedisPoolConfig getRedisConfig(){  
16.         JedisPoolConfig config = new JedisPoolConfig();  
17.         return config;  
18.     }  
19.       
20.     @Bean  
21.     @ConfigurationProperties(prefix="spring.redis")  
22.     public JedisConnectionFactory getConnectionFactory(){  
23.         JedisConnectionFactory factory = new JedisConnectionFactory();  
24.         JedisPoolConfig config = getRedisConfig();  
25.         factory.setPoolConfig(config);  
26.         logger.info("JedisConnectionFactory bean init success.");  
27.         return factory;  
28.     }  
29.       
30.       
31.     @Bean  
32.     public RedisTemplate<?, ?> getRedisTemplate(){  
33.         RedisTemplate<?,?> template = new StringRedisTemplate(getConnectionFactory());  
34.         return template;  
35.     }  
36. }  

OK,此时Reddis已经集成完成，下面来对常用操作做一些封装测试：

新增IRedisService接口定义一些常用操作接口，以及添加实现类RedisServiceImpl，代码如下：

IRedisService.Java

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1. /** 
2.  *  
3.  * @author vic 
4.  * @desc redis service 
5.  */  
6. public interface IRedisService {  
7.       
8.     public boolean set(String key, String value);  
9.       
10.     public String get(String key);  
11.       
12.     public boolean expire(String key,long expire);  
13.       
14.     public <T> boolean setList(String key ,List<T> list);  
15.       
16.     public <T> List<T> getList(String key,Class<T> clz);  
17.       
18.     public long lpush(String key,Object obj);  
19.       
20.     public long rpush(String key,Object obj);  
21.       
22.     public String lpop(String key);  
23.       
24. }  

RedisServiceImpl.java

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1. /** 
2.  *  
3.  * @author vic 
4.  * @desc resdis service 
5.  * 
6.  */  
7. @Service  
8. public class RedisServiceImpl implements IRedisService{  
9.   
10.     @Autowired  
11.     private RedisTemplate<String, ?> redisTemplate;  
12.       
13.     @Override  
14.     public boolean set(final String key, final String value) {  
15.         boolean result = redisTemplate.execute(new RedisCallback<Boolean>() {  
16.             @Override  
17.             public Boolean doInRedis(RedisConnection connection) throws DataAccessException {  
18.                 RedisSerializer<String> serializer = redisTemplate.getStringSerializer();  
19.                 connection.set(serializer.serialize(key), serializer.serialize(value));  
20.                 return true;  
21.             }  
22.         });  
23.         return result;  
24.     }  
25.   
26.     public String get(final String key){  
27.         String result = redisTemplate.execute(new RedisCallback<String>() {  
28.             @Override  
29.             public String doInRedis(RedisConnection connection) throws DataAccessException {  
30.                 RedisSerializer<String> serializer = redisTemplate.getStringSerializer();  
31.                 byte[] value =  connection.get(serializer.serialize(key));  
32.                 return serializer.deserialize(value);  
33.             }  
34.         });  
35.         return result;  
36.     }  
37.   
38.     @Override  
39.     public boolean expire(final String key, long expire) {  
40.         return redisTemplate.expire(key, expire, TimeUnit.SECONDS);  
41.     }  
42.   
43.     @Override  
44.     public <T> boolean setList(String key, List<T> list) {  
45.         String value = JSONUtil.toJson(list);  
46.         return set(key,value);  
47.     }  
48.   
49.     @Override  
50.     public <T> List<T> getList(String key,Class<T> clz) {  
51.         String json = get(key);  
52.         if(json!=null){  
53.             List<T> list = JSONUtil.toList(json, clz);  
54.             return list;  
55.         }  
56.         return null;  
57.     }  
58.   
59.     @Override  
60.     public long lpush(final String key, Object obj) {  
61.         final String value = JSONUtil.toJson(obj);  
62.         long result = redisTemplate.execute(new RedisCallback<Long>() {  
63.             @Override  
64.             public Long doInRedis(RedisConnection connection) throws DataAccessException {  
65.                 RedisSerializer<String> serializer = redisTemplate.getStringSerializer();  
66.                 long count = connection.lPush(serializer.serialize(key), serializer.serialize(value));  
67.                 return count;  
68.             }  
69.         });  
70.         return result;  
71.     }  
72.   
73.     @Override  
74.     public long rpush(final String key, Object obj) {  
75.         final String value = JSONUtil.toJson(obj);  
76.         long result = redisTemplate.execute(new RedisCallback<Long>() {  
77.             @Override  
78.             public Long doInRedis(RedisConnection connection) throws DataAccessException {  
79.                 RedisSerializer<String> serializer = redisTemplate.getStringSerializer();  
80.                 long count = connection.rPush(serializer.serialize(key), serializer.serialize(value));  
81.                 return count;  
82.             }  
83.         });  
84.         return result;  
85.     }  
86.   
87.     @Override  
88.     public String lpop(final String key) {  
89.         String result = redisTemplate.execute(new RedisCallback<String>() {  
90.             @Override  
91.             public String doInRedis(RedisConnection connection) throws DataAccessException {  
92.                 RedisSerializer<String> serializer = redisTemplate.getStringSerializer();  
93.                 byte[] res =  connection.lPop(serializer.serialize(key));  
94.                 return serializer.deserialize(res);  
95.             }  
96.         });  
97.         return result;  
98.     }  
99.   
100. }  

其中的JSONUtil类，可下载demo代码查看，其实就是一个JSON的工具类。

在ExampleController中添加测试方法：

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1. @RestController  
2. public class ExampleController {  
3.   
4.     @Autowired  
5.     private IUserService userService;  
6.       
7.     @Autowired  
8.     private IRedisService redisService;  
9.       
10.     @RequestMapping("/users")  
11.     public ResponseModal users(){  
12.         List<User> users = userService.getAll();  
13.         ResponseModal modal = new ResponseModal(200,true,"",users);  
14.         return modal;  
15.     }  
16.       
17.     @RequestMapping("/redis/set")  
18.     public ResponseModal redisSet(@RequestParam("value")String value){  
19.         boolean isOk = redisService.set("name", value);  
20.         return new ResponseModal(isOk ? 200 : 500, isOk, isOk ? "success" : "error" , null);  
21.     }  
22.       
23.     @RequestMapping("/redis/get")  
24.     public ResponseModal redisGet(){  
25.         String name = redisService.get("name");  
26.         return new ResponseModal(200, true,"success",name);  
27.     }  
28.       
29. }  

运行Application的main函数

浏览器输入：http://localhost:8080/redis/set?value=vic  响应结果：

{"code":200,"success":true,"message":"success","response":null}

浏览器输入：http://localhost:8080/redis/get  响应结果：

{"code":200,"success":true,"message":"success","response":"vic"}

示例代码下载

转载  http://blog.csdn.net/i_vic/article/details/53081241