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https://gitee.com/log4j/pig.git
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!364 增加缓存RedisUtils工具类，提供了各种RedisTemplate各种语法糖，响应体R中增加内部调用是否成功判断R.isSuccess()方法，以及自定义返回指定状态码R.result(null, 1001, "业务提示")
Merge pull request !364 from xianxin100/master
This commit is contained in:
lengleng
Gitee
commit
a67aaa4daf
2
.github/workflows/mirror.yml
vendored
2
.github/workflows/mirror.yml
vendored
@ -3,8 +3,6 @@ name: 同步代码
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on:
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push:
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branches: [ master,dev ]
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pull_request:
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branches: [ master,dev ]
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jobs:
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sync:
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@ -76,6 +76,10 @@ public class R<T> implements Serializable {
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return restResult(data, CommonConstants.FAIL, msg);
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}
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public static <T> R<T> result(T data, int code, String msg) {
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return restResult(data, code, msg);
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}
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public static <T> R<T> restResult(T data, int code, String msg) {
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R<T> apiResult = new R<>();
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apiResult.setCode(code);
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@ -84,4 +88,8 @@ public class R<T> implements Serializable {
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return apiResult;
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}
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public Boolean isSuccess() {
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return (this.code == CommonConstants.SUCCESS);
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}
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}
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@ -0,0 +1,819 @@
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package com.pig4cloud.pig.common.core.util;
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import cn.hutool.core.convert.Convert;
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import lombok.experimental.UtilityClass;
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import org.springframework.data.redis.connection.RedisConnection;
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import org.springframework.data.redis.connection.RedisConnectionFactory;
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import org.springframework.data.redis.core.*;
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import org.springframework.data.redis.core.script.DefaultRedisScript;
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import org.springframework.data.redis.core.script.RedisScript;
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import org.springframework.util.CollectionUtils;
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import java.util.*;
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import java.util.concurrent.TimeUnit;
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/**
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* 缓存工具类
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*
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* @author XX
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* @date 2023/05/12
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*/
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@UtilityClass
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public class RedisUtils {
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private static final Long SUCCESS = 1L;
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/**
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* 指定缓存失效时间
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*
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* @param key 键
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* @param time 时间(秒)
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*/
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public boolean expire(String key, long time) {
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RedisTemplate redisTemplate = SpringContextHolder.getBean(RedisTemplate.class);
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try {
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if (time > 0) {
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redisTemplate.expire(key, time, TimeUnit.SECONDS);
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}
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} catch (Exception e) {
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e.printStackTrace();
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return false;
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}
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return true;
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}
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/**
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* 根据 key 获取过期时间
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*
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* @param key 键 不能为null
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* @return 时间(秒) 返回0代表为永久有效
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*/
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public long getExpire(Object key) {
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RedisTemplate redisTemplate = SpringContextHolder.getBean(RedisTemplate.class);
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return redisTemplate.getExpire(key, TimeUnit.SECONDS);
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}
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/**
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* 查找匹配key
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*
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* @param pattern key
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* @return /
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*/
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public List<String> scan(String pattern) {
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RedisTemplate redisTemplate = SpringContextHolder.getBean(RedisTemplate.class);
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ScanOptions options = ScanOptions.scanOptions().match(pattern).build();
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RedisConnectionFactory factory = redisTemplate.getConnectionFactory();
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RedisConnection rc = Objects.requireNonNull(factory).getConnection();
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Cursor<byte[]> cursor = rc.scan(options);
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List<String> result = new ArrayList<>();
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while (cursor.hasNext()) {
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result.add(new String(cursor.next()));
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}
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try {
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RedisConnectionUtils.releaseConnection(rc, factory);
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} catch (Exception e) {
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e.printStackTrace();
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}
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return result;
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}
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/**
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* 分页查询 key
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*
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* @param patternKey key
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* @param page 页码
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* @param size 每页数目
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* @return /
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*/
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public List<String> findKeysForPage(String patternKey, int page, int size) {
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RedisTemplate redisTemplate = SpringContextHolder.getBean(RedisTemplate.class);
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ScanOptions options = ScanOptions.scanOptions().match(patternKey).build();
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RedisConnectionFactory factory = redisTemplate.getConnectionFactory();
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RedisConnection rc = Objects.requireNonNull(factory).getConnection();
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Cursor<byte[]> cursor = rc.scan(options);
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List<String> result = new ArrayList<>(size);
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int tmpIndex = 0;
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int fromIndex = page * size;
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int toIndex = page * size + size;
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while (cursor.hasNext()) {
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if (tmpIndex >= fromIndex && tmpIndex < toIndex) {
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result.add(new String(cursor.next()));
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tmpIndex++;
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continue;
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}
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// 获取到满足条件的数据后,就可以退出了
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if (tmpIndex >= toIndex) {
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break;
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}
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tmpIndex++;
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cursor.next();
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}
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try {
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RedisConnectionUtils.releaseConnection(rc, factory);
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} catch (Exception e) {
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e.printStackTrace();
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}
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return result;
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}
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/**
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* 判断key是否存在
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*
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* @param key 键
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* @return true 存在 false不存在
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*/
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public boolean hasKey(String key) {
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RedisTemplate redisTemplate = SpringContextHolder.getBean(RedisTemplate.class);
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try {
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return redisTemplate.hasKey(key);
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} catch (Exception e) {
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e.printStackTrace();
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return false;
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}
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}
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/**
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* 删除缓存
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*
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* @param key 可以传一个值 或多个
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*/
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public void del(String... key) {
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RedisTemplate redisTemplate = SpringContextHolder.getBean(RedisTemplate.class);
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if (key != null && key.length > 0) {
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if (key.length == 1) {
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redisTemplate.delete(key[0]);
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} else {
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redisTemplate.delete(CollectionUtils.arrayToList(key));
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}
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}
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}
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/**
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* 获取锁
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*
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* @param lockKey 锁key
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* @param value value
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* @param expireTime：单位-秒
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* @return boolean
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*/
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public boolean getLock(String lockKey, String value, int expireTime) {
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RedisTemplate redisTemplate = SpringContextHolder.getBean(RedisTemplate.class);
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Boolean result = false;
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try {
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result = redisTemplate.opsForValue().setIfAbsent(lockKey, value, expireTime, TimeUnit.SECONDS);
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if (null == result) {
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result = false;
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}
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} catch (Exception e) {
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e.printStackTrace();
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}
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return result;
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}
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/**
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* 释放锁
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*
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* @param lockKey 锁key
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* @param value value
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* @return boolean
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*/
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public boolean releaseLock(String lockKey, String value) {
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RedisTemplate redisTemplate = SpringContextHolder.getBean(RedisTemplate.class);
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try {
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String script = "if redis.call('get', KEYS[1]) == ARGV[1] then return redis.call('del', KEYS[1]) else return 0 end";
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RedisScript<Long> redisScript = new DefaultRedisScript<>(script, Long.class);
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Object result = redisTemplate.execute(redisScript, Collections.singletonList(lockKey), value);
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if (SUCCESS.equals(Convert.toLong(result))) {
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return true;
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}
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} catch (Exception e) {
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e.printStackTrace();
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}
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return false;
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}
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// ============================String=============================
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/**
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* 普通缓存获取
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*
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* @param key 键
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* @return 值
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*/
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public Object get(String key) {
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RedisTemplate redisTemplate = SpringContextHolder.getBean(RedisTemplate.class);
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return key == null ? null : redisTemplate.opsForValue().get(key);
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}
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/**
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* 批量获取
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*
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* @param keys
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* @return
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*/
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public List<Object> multiGet(List<String> keys) {
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RedisTemplate redisTemplate = SpringContextHolder.getBean(RedisTemplate.class);
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Object obj = redisTemplate.opsForValue().multiGet(Collections.singleton(keys));
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return null;
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}
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/**
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* 普通缓存放入
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*
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* @param key 键
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* @param value 值
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* @return true成功 false失败
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*/
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public boolean set(String key, Object value) {
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RedisTemplate redisTemplate = SpringContextHolder.getBean(RedisTemplate.class);
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try {
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redisTemplate.opsForValue().set(key, value);
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return true;
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} catch (Exception e) {
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e.printStackTrace();
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return false;
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}
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}
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/**
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* 普通缓存放入并设置时间
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*
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* @param key 键
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* @param value 值
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* @param time 时间(秒) time要大于0 如果time小于等于0 将设置无限期
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* @return true成功 false 失败
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*/
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public boolean set(String key, Object value, long time) {
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RedisTemplate redisTemplate = SpringContextHolder.getBean(RedisTemplate.class);
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try {
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if (time > 0) {
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redisTemplate.opsForValue().set(key, value, time, TimeUnit.SECONDS);
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} else {
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set(key, value);
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}
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return true;
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} catch (Exception e) {
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e.printStackTrace();
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return false;
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}
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}
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/**
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* 普通缓存放入并设置时间
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*
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* @param key 键
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* @param value 值
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* @param time 时间
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* @param timeUnit 类型
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* @return true成功 false 失败
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*/
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public boolean set(String key, Object value, long time, TimeUnit timeUnit) {
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RedisTemplate redisTemplate = SpringContextHolder.getBean(RedisTemplate.class);
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try {
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if (time > 0) {
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redisTemplate.opsForValue().set(key, value, time, timeUnit);
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} else {
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set(key, value);
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}
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return true;
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} catch (Exception e) {
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e.printStackTrace();
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return false;
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}
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}
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// ================================Map=================================
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/**
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* HashGet
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*
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* @param key 键 不能为null
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* @param item 项 不能为null
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* @return 值
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*/
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public Object hget(String key, String item) {
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RedisTemplate redisTemplate = SpringContextHolder.getBean(RedisTemplate.class);
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return redisTemplate.opsForHash().get(key, item);
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}
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/**
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* 获取hashKey对应的所有键值
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*
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* @param key 键
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* @return 对应的多个键值
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*/
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public Map<Object, Object> hmget(String key) {
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RedisTemplate redisTemplate = SpringContextHolder.getBean(RedisTemplate.class);
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return redisTemplate.opsForHash().entries(key);
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}
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/**
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* HashSet
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*
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* @param key 键
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* @param map 对应多个键值
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* @return true 成功 false 失败
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*/
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public boolean hmset(String key, Map<String, Object> map) {
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RedisTemplate redisTemplate = SpringContextHolder.getBean(RedisTemplate.class);
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try {
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redisTemplate.opsForHash().putAll(key, map);
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return true;
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} catch (Exception e) {
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||||
e.printStackTrace();
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return false;
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}
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}
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/**
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* HashSet 并设置时间
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*
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* @param key 键
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||||
* @param map 对应多个键值
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||||
* @param time 时间(秒)
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||||
* @return true成功 false失败
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||||
*/
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||||
public boolean hmset(String key, Map<String, Object> map, long time) {
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RedisTemplate redisTemplate = SpringContextHolder.getBean(RedisTemplate.class);
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||||
try {
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redisTemplate.opsForHash().putAll(key, map);
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if (time > 0) {
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expire(key, time);
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}
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return true;
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} catch (Exception e) {
|
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e.printStackTrace();
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return false;
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* 向一张hash表中放入数据,如果不存在将创建
|
||||
*
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||||
* @param key 键
|
||||
* @param item 项
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||||
* @param value 值
|
||||
* @return true 成功 false失败
|
||||
*/
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||||
public boolean hset(String key, String item, Object value) {
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||||
RedisTemplate redisTemplate = SpringContextHolder.getBean(RedisTemplate.class);
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||||
try {
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||||
redisTemplate.opsForHash().put(key, item, value);
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||||
return true;
|
||||
} catch (Exception e) {
|
||||
e.printStackTrace();
|
||||
return false;
|
||||
}
|
||||
}
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||||
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||||
/**
|
||||
* 向一张hash表中放入数据,如果不存在将创建
|
||||
*
|
||||
* @param key 键
|
||||
* @param item 项
|
||||
* @param value 值
|
||||
* @param time 时间(秒) 注意:如果已存在的hash表有时间,这里将会替换原有的时间
|
||||
* @return true 成功 false失败
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||||
*/
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||||
public boolean hset(String key, String item, Object value, long time) {
|
||||
RedisTemplate redisTemplate = SpringContextHolder.getBean(RedisTemplate.class);
|
||||
try {
|
||||
redisTemplate.opsForHash().put(key, item, value);
|
||||
if (time > 0) {
|
||||
expire(key, time);
|
||||
}
|
||||
return true;
|
||||
} catch (Exception e) {
|
||||
e.printStackTrace();
|
||||
return false;
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* 删除hash表中的值
|
||||
*
|
||||
* @param key 键 不能为null
|
||||
* @param item 项 可以使多个 不能为null
|
||||
*/
|
||||
public void hdel(String key, Object... item) {
|
||||
RedisTemplate redisTemplate = SpringContextHolder.getBean(RedisTemplate.class);
|
||||
redisTemplate.opsForHash().delete(key, item);
|
||||
}
|
||||
|
||||
/**
|
||||
* 判断hash表中是否有该项的值
|
||||
*
|
||||
* @param key 键 不能为null
|
||||
* @param item 项 不能为null
|
||||
* @return true 存在 false不存在
|
||||
*/
|
||||
public boolean hHasKey(String key, String item) {
|
||||
RedisTemplate redisTemplate = SpringContextHolder.getBean(RedisTemplate.class);
|
||||
return redisTemplate.opsForHash().hasKey(key, item);
|
||||
}
|
||||
|
||||
/**
|
||||
* hash递增 如果不存在,就会创建一个 并把新增后的值返回
|
||||
*
|
||||
* @param key 键
|
||||
* @param item 项
|
||||
* @param by 要增加几(大于0)
|
||||
* @return
|
||||
*/
|
||||
public double hincr(String key, String item, double by) {
|
||||
RedisTemplate redisTemplate = SpringContextHolder.getBean(RedisTemplate.class);
|
||||
return redisTemplate.opsForHash().increment(key, item, by);
|
||||
}
|
||||
|
||||
/**
|
||||
* hash递减
|
||||
*
|
||||
* @param key 键
|
||||
* @param item 项
|
||||
* @param by 要减少记(小于0)
|
||||
* @return
|
||||
*/
|
||||
public double hdecr(String key, String item, double by) {
|
||||
RedisTemplate redisTemplate = SpringContextHolder.getBean(RedisTemplate.class);
|
||||
return redisTemplate.opsForHash().increment(key, item, -by);
|
||||
}
|
||||
|
||||
// ============================set=============================
|
||||
|
||||
/**
|
||||
* 根据key获取Set中的所有值
|
||||
*
|
||||
* @param key 键
|
||||
* @return
|
||||
*/
|
||||
public Set<Object> sGet(String key) {
|
||||
RedisTemplate redisTemplate = SpringContextHolder.getBean(RedisTemplate.class);
|
||||
try {
|
||||
return redisTemplate.opsForSet().members(key);
|
||||
} catch (Exception e) {
|
||||
e.printStackTrace();
|
||||
return null;
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* 根据value从一个set中查询,是否存在
|
||||
*
|
||||
* @param key 键
|
||||
* @param value 值
|
||||
* @return true 存在 false不存在
|
||||
*/
|
||||
public boolean sHasKey(String key, Object value) {
|
||||
RedisTemplate redisTemplate = SpringContextHolder.getBean(RedisTemplate.class);
|
||||
try {
|
||||
return redisTemplate.opsForSet().isMember(key, value);
|
||||
} catch (Exception e) {
|
||||
e.printStackTrace();
|
||||
return false;
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* 将数据放入set缓存
|
||||
*
|
||||
* @param key 键
|
||||
* @param values 值 可以是多个
|
||||
* @return 成功个数
|
||||
*/
|
||||
public long sSet(String key, Object... values) {
|
||||
RedisTemplate redisTemplate = SpringContextHolder.getBean(RedisTemplate.class);
|
||||
try {
|
||||
return redisTemplate.opsForSet().add(key, values);
|
||||
} catch (Exception e) {
|
||||
e.printStackTrace();
|
||||
return 0;
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* 将set数据放入缓存
|
||||
*
|
||||
* @param key 键
|
||||
* @param time 时间(秒)
|
||||
* @param values 值 可以是多个
|
||||
* @return 成功个数
|
||||
*/
|
||||
public long sSetAndTime(String key, long time, Object... values) {
|
||||
RedisTemplate redisTemplate = SpringContextHolder.getBean(RedisTemplate.class);
|
||||
try {
|
||||
Long count = redisTemplate.opsForSet().add(key, values);
|
||||
if (time > 0) {
|
||||
expire(key, time);
|
||||
}
|
||||
return count;
|
||||
} catch (Exception e) {
|
||||
e.printStackTrace();
|
||||
return 0;
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* 获取set缓存的长度
|
||||
*
|
||||
* @param key 键
|
||||
* @return
|
||||
*/
|
||||
public long sGetSetSize(String key) {
|
||||
RedisTemplate redisTemplate = SpringContextHolder.getBean(RedisTemplate.class);
|
||||
try {
|
||||
return redisTemplate.opsForSet().size(key);
|
||||
} catch (Exception e) {
|
||||
e.printStackTrace();
|
||||
return 0;
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* 移除值为value的
|
||||
*
|
||||
* @param key 键
|
||||
* @param values 值 可以是多个
|
||||
* @return 移除的个数
|
||||
*/
|
||||
public long setRemove(String key, Object... values) {
|
||||
RedisTemplate redisTemplate = SpringContextHolder.getBean(RedisTemplate.class);
|
||||
try {
|
||||
Long count = redisTemplate.opsForSet().remove(key, values);
|
||||
return count;
|
||||
} catch (Exception e) {
|
||||
e.printStackTrace();
|
||||
return 0;
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* 获集合key1和集合key2的差集元素
|
||||
*
|
||||
* @param key 键
|
||||
* @return
|
||||
*/
|
||||
public Set<Object> sDifference(String key, String otherKey) {
|
||||
RedisTemplate redisTemplate = SpringContextHolder.getBean(RedisTemplate.class);
|
||||
try {
|
||||
return redisTemplate.opsForSet().difference(key, otherKey);
|
||||
} catch (Exception e) {
|
||||
e.printStackTrace();
|
||||
return null;
|
||||
}
|
||||
}
|
||||
|
||||
// ===============================list=================================
|
||||
|
||||
/**
|
||||
* 获取list缓存的内容
|
||||
*
|
||||
* @param key 键
|
||||
* @param start 开始
|
||||
* @param end 结束 0 到 -1代表所有值
|
||||
* @return
|
||||
*/
|
||||
public List<Object> lGet(String key, long start, long end) {
|
||||
RedisTemplate redisTemplate = SpringContextHolder.getBean(RedisTemplate.class);
|
||||
try {
|
||||
return redisTemplate.opsForList().range(key, start, end);
|
||||
} catch (Exception e) {
|
||||
e.printStackTrace();
|
||||
return null;
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* 获取list缓存的长度
|
||||
*
|
||||
* @param key 键
|
||||
* @return
|
||||
*/
|
||||
public long lGetListSize(String key) {
|
||||
RedisTemplate redisTemplate = SpringContextHolder.getBean(RedisTemplate.class);
|
||||
try {
|
||||
return redisTemplate.opsForList().size(key);
|
||||
} catch (Exception e) {
|
||||
e.printStackTrace();
|
||||
return 0;
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* 通过索引 获取list中的值
|
||||
*
|
||||
* @param key 键
|
||||
* @param index 索引 index>=0时， 0 表头，1 第二个元素，依次类推；index<0时，-1，表尾，-2倒数第二个元素，依次类推
|
||||
* @return
|
||||
*/
|
||||
public Object lGetIndex(String key, long index) {
|
||||
RedisTemplate redisTemplate = SpringContextHolder.getBean(RedisTemplate.class);
|
||||
try {
|
||||
return redisTemplate.opsForList().index(key, index);
|
||||
} catch (Exception e) {
|
||||
e.printStackTrace();
|
||||
return null;
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* 将list放入缓存
|
||||
*
|
||||
* @param key 键
|
||||
* @param value 值
|
||||
* @return
|
||||
*/
|
||||
public boolean lSet(String key, Object value) {
|
||||
RedisTemplate redisTemplate = SpringContextHolder.getBean(RedisTemplate.class);
|
||||
try {
|
||||
redisTemplate.opsForList().rightPush(key, value);
|
||||
return true;
|
||||
} catch (Exception e) {
|
||||
e.printStackTrace();
|
||||
return false;
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* 将list放入缓存
|
||||
*
|
||||
* @param key 键
|
||||
* @param value 值
|
||||
* @param time 时间(秒)
|
||||
* @return
|
||||
*/
|
||||
public boolean lSet(String key, Object value, long time) {
|
||||
RedisTemplate redisTemplate = SpringContextHolder.getBean(RedisTemplate.class);
|
||||
try {
|
||||
redisTemplate.opsForList().rightPush(key, value);
|
||||
if (time > 0) {
|
||||
expire(key, time);
|
||||
}
|
||||
return true;
|
||||
} catch (Exception e) {
|
||||
e.printStackTrace();
|
||||
return false;
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* 将list放入缓存
|
||||
*
|
||||
* @param key 键
|
||||
* @param value 值
|
||||
* @return
|
||||
*/
|
||||
public boolean lSet(String key, List<Object> value) {
|
||||
RedisTemplate redisTemplate = SpringContextHolder.getBean(RedisTemplate.class);
|
||||
try {
|
||||
redisTemplate.opsForList().rightPushAll(key, value);
|
||||
return true;
|
||||
} catch (Exception e) {
|
||||
e.printStackTrace();
|
||||
return false;
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* 将list放入缓存
|
||||
*
|
||||
* @param key 键
|
||||
* @param value 值
|
||||
* @param time 时间(秒)
|
||||
* @return
|
||||
*/
|
||||
public boolean lSet(String key, List<Object> value, long time) {
|
||||
RedisTemplate redisTemplate = SpringContextHolder.getBean(RedisTemplate.class);
|
||||
try {
|
||||
redisTemplate.opsForList().rightPushAll(key, value);
|
||||
if (time > 0) {
|
||||
expire(key, time);
|
||||
}
|
||||
return true;
|
||||
} catch (Exception e) {
|
||||
e.printStackTrace();
|
||||
return false;
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* 根据索引修改list中的某条数据
|
||||
*
|
||||
* @param key 键
|
||||
* @param index 索引
|
||||
* @param value 值
|
||||
* @return /
|
||||
*/
|
||||
public boolean lUpdateIndex(String key, long index, Object value) {
|
||||
RedisTemplate redisTemplate = SpringContextHolder.getBean(RedisTemplate.class);
|
||||
try {
|
||||
redisTemplate.opsForList().set(key, index, value);
|
||||
return true;
|
||||
} catch (Exception e) {
|
||||
e.printStackTrace();
|
||||
return false;
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* 移除N个值为value
|
||||
*
|
||||
* @param key 键
|
||||
* @param count 移除多少个
|
||||
* @param value 值
|
||||
* @return 移除的个数
|
||||
*/
|
||||
public long lRemove(String key, long count, Object value) {
|
||||
RedisTemplate redisTemplate = SpringContextHolder.getBean(RedisTemplate.class);
|
||||
try {
|
||||
return redisTemplate.opsForList().remove(key, count, value);
|
||||
} catch (Exception e) {
|
||||
e.printStackTrace();
|
||||
return 0;
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* 将zSet数据放入缓存
|
||||
*
|
||||
* @param key
|
||||
* @param time
|
||||
* @param tuples
|
||||
* @return
|
||||
*/
|
||||
public long zSetAndTime(String key, long time, Set<ZSetOperations.TypedTuple<Object>> tuples) {
|
||||
RedisTemplate redisTemplate = SpringContextHolder.getBean(RedisTemplate.class);
|
||||
try {
|
||||
Long count = redisTemplate.opsForZSet().add(key, tuples);
|
||||
if (time > 0) {
|
||||
expire(key, time);
|
||||
}
|
||||
return count;
|
||||
} catch (Exception e) {
|
||||
e.printStackTrace();
|
||||
return 0;
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Sorted set:有序集合获取
|
||||
*
|
||||
* @param key
|
||||
* @param min
|
||||
* @param max
|
||||
* @return
|
||||
*/
|
||||
public Set<Object> zRangeByScore(String key, double min, double max) {
|
||||
RedisTemplate redisTemplate = SpringContextHolder.getBean(RedisTemplate.class);
|
||||
ZSetOperations<String, Object> zset = redisTemplate.opsForZSet();
|
||||
return zset.rangeByScore(key, min, max);
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Sorted set:有序集合获取 正序
|
||||
*
|
||||
* @param key
|
||||
* @param start
|
||||
* @param end
|
||||
* @return
|
||||
*/
|
||||
public Set<Object> zRange(String key, long start, long end) {
|
||||
RedisTemplate redisTemplate = SpringContextHolder.getBean(RedisTemplate.class);
|
||||
ZSetOperations<String, Object> zset = redisTemplate.opsForZSet();
|
||||
return zset.range(key, start, end);
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Sorted set:有序集合获取 倒叙
|
||||
*
|
||||
* @param key
|
||||
* @param start
|
||||
* @param end
|
||||
* @return
|
||||
*/
|
||||
public Set<Object> zReverseRange(String key, long start, long end) {
|
||||
RedisTemplate redisTemplate = SpringContextHolder.getBean(RedisTemplate.class);
|
||||
ZSetOperations<String, Object> zset = redisTemplate.opsForZSet();
|
||||
return zset.reverseRange(key, start, end);
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* 获取zSet缓存的长度
|
||||
*
|
||||
* @param key 键
|
||||
* @return
|
||||
*/
|
||||
public long zGetSetSize(String key) {
|
||||
RedisTemplate redisTemplate = SpringContextHolder.getBean(RedisTemplate.class);
|
||||
try {
|
||||
return redisTemplate.opsForZSet().size(key);
|
||||
} catch (Exception e) {
|
||||
e.printStackTrace();
|
||||
return 0;
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
@ -4,3 +4,4 @@ com.pig4cloud.pig.common.core.config.RedisTemplateConfiguration
|
||||
com.pig4cloud.pig.common.core.config.RestTemplateConfiguration
|
||||
com.pig4cloud.pig.common.core.util.SpringContextHolder
|
||||
com.pig4cloud.pig.common.core.config.WebMvcConfiguration
|
||||
com.pig4cloud.pig.common.core.util.RedisUtils
|
||||
Loading…
Reference in New Issue
Block a user