springboot配置redis作為快取空間
阿新 • • 發佈：2019-01-31
package com.ty.tyzxtj.util;
import java.io.Serializable;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.TimeUnit;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.data.redis.core.ValueOperations;
import org.springframework.data.redis.serializer.StringRedisSerializer;
import org.springframework.stereotype.Component;
/**
* redicache 工具類
*
*/
@SuppressWarnings("unchecked")
@Component
public class RedisUtil {
@SuppressWarnings("rawtypes")
@Autowired
private RedisTemplate redisTemplate;
/**
* 批量刪除對應的value
*
* @param keys
*/
public void remove(final String... keys) {
for (String key : keys) {
remove(key);
}
}
/**
* 批量刪除key
*
* @param pattern
*/
public void removePattern(final String pattern) {
Set<Serializable> keys = redisTemplate.keys(pattern);
if (keys.size() > 0)
redisTemplate.delete(keys);
}
/**
* 刪除對應的value
*
* @param key
*/
public void remove(final String key) {
if (exists(key)) {
redisTemplate.delete(key);
}
}
/**
* 判斷快取中是否有對應的value
*
* @param key
* @return
*/
public boolean exists(final String key) {
return redisTemplate.hasKey(key);
}
/**
* 讀取快取
*
* @param key
* @return
*/
public String get(final String key) {
Object result = null;
redisTemplate.setValueSerializer(new StringRedisSerializer());
ValueOperations<Serializable, Object> operations = redisTemplate.opsForValue();
result = operations.get(key);
if(result==null){
return null;
}
return result.toString();
}
/**
* 寫入快取
*
* @param key
* @param value
* @return
*/
public boolean set(final String key, Object value) {
boolean result = false;
try {
ValueOperations<Serializable, Object> operations = redisTemplate.opsForValue();
operations.set(key, value);
result = true;
} catch (Exception e) {
e.printStackTrace();
}
return result;
}
/**
* 寫入快取
*
* @param key
* @param value
* @return
*/
public boolean set(final String key, Object value, Long expireTime) {
boolean result = false;
try {
ValueOperations<Serializable, Object> operations = redisTemplate.opsForValue();
operations.set(key, value);
redisTemplate.expire(key, expireTime, TimeUnit.SECONDS);
result = true;
} catch (Exception e) {
e.printStackTrace();
}
return result;
}
public boolean hmset(String key, Map<String, String> value) {
boolean result = false;
try {
redisTemplate.opsForHash().putAll(key, value);
result = true;
} catch (Exception e) {
e.printStackTrace();
}
return result;
}
public Map<String,String> hmget(String key) {
Map<String,String> result =null;
try {
result= redisTemplate.opsForHash().entries(key);
} catch (Exception e) {
e.printStackTrace();
}
return result;
}
}
import java.io.Serializable;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.TimeUnit;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.data.redis.core.ValueOperations;
import org.springframework.data.redis.serializer.StringRedisSerializer;
import org.springframework.stereotype.Component;
/**
* redicache 工具類
*
*/
@SuppressWarnings("unchecked")
@Component
public class RedisUtil {
@SuppressWarnings("rawtypes")
@Autowired
private RedisTemplate redisTemplate;
/**
* 批量刪除對應的value
*
* @param keys
*/
public void remove(final String... keys) {
for (String key : keys) {
remove(key);
}
}
/**
* 批量刪除key
*
* @param pattern
*/
public void removePattern(final String pattern) {
Set<Serializable> keys = redisTemplate.keys(pattern);
if (keys.size() > 0)
redisTemplate.delete(keys);
}
/**
* 刪除對應的value
*
* @param key
*/
public void remove(final String key) {
if (exists(key)) {
redisTemplate.delete(key);
}
}
/**
* 判斷快取中是否有對應的value
*
* @param key
* @return
*/
public boolean exists(final String key) {
return redisTemplate.hasKey(key);
}
/**
* 讀取快取
*
* @param key
* @return
*/
public String get(final String key) {
Object result = null;
redisTemplate.setValueSerializer(new StringRedisSerializer());
ValueOperations<Serializable, Object> operations = redisTemplate.opsForValue();
result = operations.get(key);
if(result==null){
return null;
}
return result.toString();
}
/**
* 寫入快取
*
* @param key
* @param value
* @return
*/
public boolean set(final String key, Object value) {
boolean result = false;
try {
ValueOperations<Serializable, Object> operations = redisTemplate.opsForValue();
operations.set(key, value);
result = true;
} catch (Exception e) {
e.printStackTrace();
}
return result;
}
/**
* 寫入快取
*
* @param key
* @param value
* @return
*/
public boolean set(final String key, Object value, Long expireTime) {
boolean result = false;
try {
ValueOperations<Serializable, Object> operations = redisTemplate.opsForValue();
operations.set(key, value);
redisTemplate.expire(key, expireTime, TimeUnit.SECONDS);
result = true;
} catch (Exception e) {
e.printStackTrace();
}
return result;
}
public boolean hmset(String key, Map<String, String> value) {
boolean result = false;
try {
redisTemplate.opsForHash().putAll(key, value);
result = true;
} catch (Exception e) {
e.printStackTrace();
}
return result;
}
public Map<String,String> hmget(String key) {
Map<String,String> result =null;
try {
result= redisTemplate.opsForHash().entries(key);
} catch (Exception e) {
e.printStackTrace();
}
return result;
}
}