SpringBoot —— 简单整合Redis实例及StringRedisTemplate与RedisTemplate对比和选择

为了方便搭建项目，本文是直接在windows下安装redis。
安装步骤参考：Windows下载安装Redis、可视化工具安装

    org.springframework.boot
    spring-boot-starter-data-redis

package com.local.dev.root.devroot.common.util;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.StringRedisTemplate;
import org.springframework.stereotype.Component;
import org.springframework.util.CollectionUtils;

import java.util.Collection;
import java.util.Collections;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.TimeUnit;

@Component
@SuppressWarnings("ALL")
public class RedisUtil {

    @Autowired
    private StringRedisTemplate redisTemplate;

    
    public void expire(String key, long time) {
        try {
            if (time > 0) {
                redisTemplate.expire(key, time, TimeUnit.SECONDS);
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

    
    public long getExpire(String key) {
        return redisTemplate.getExpire(key, TimeUnit.SECONDS);
    }

    
    public boolean hasKey(String key) {
        try {
            return redisTemplate.hasKey(key);
        } catch (Exception e) {
            e.printStackTrace();
            return false;
        }
    }

    
    public void del(String... key) {
        if (key != null && key.length > 0) {
            if (key.length == 1) {
                redisTemplate.delete(key[0]);
            } else {
                redisTemplate.delete((Collection) CollectionUtils.arrayToList(key));
            }
        }
    }

    //============================String=============================

    
    public Object get(String key) {
        return key == null ? null : redisTemplate.opsForValue().get(key);
    }

    
    public boolean set(String key, Object value) {
        try {
            redisTemplate.opsForValue().set(key, String.valueOf(value));
            return true;
        } catch (Exception e) {
            e.printStackTrace();
            return false;
        }

    }

    
    public boolean set(String key, Object value, long time) {
        try {
            if (time > 0) {
                redisTemplate.opsForValue().set(key, String.valueOf(value), time, TimeUnit.SECONDS);
            } else {
                set(key, value);
            }
            return true;
        } catch (Exception e) {
            e.printStackTrace();
            return false;
        }
    }

    
    public long incr(String key, long delta) {
        if (delta < 0) {
            throw new RuntimeException("递增因子必须大于0");
        }
        return redisTemplate.opsForValue().increment(key, delta);
    }

    
    public long decr(String key, long delta) {
        if (delta < 0) {
            throw new RuntimeException("递减因子必须大于0");
        }
        return redisTemplate.opsForValue().increment(key, -delta);
    }

    //================================Map=================================  

    
    public Object hget(String key, String item) {
        return redisTemplate.opsForHash().get(key, item);
    }

    
    public Map hmget(String key) {
        return redisTemplate.opsForHash().entries(key);
    }

    
    public boolean hmset(String key, Map map) {
        try {
            redisTemplate.opsForHash().putAll(key, map);
            return true;
        } catch (Exception e) {
            e.printStackTrace();
            return false;
        }
    }

    
    public boolean hmset(String key, Map map, long time) {
        try {
            redisTemplate.opsForHash().putAll(key, map);
            if (time > 0) {
                expire(key, time);
            }
            return true;
        } catch (Exception e) {
            e.printStackTrace();
            return false;
        }
    }

    
    public boolean hset(String key, String item, Object value) {
        try {
            redisTemplate.opsForHash().put(key, item, value);
            return true;
        } catch (Exception e) {
            e.printStackTrace();
            return false;
        }
    }

    
    public boolean hset(String key, String item, Object value, long time) {
        try {
            redisTemplate.opsForHash().put(key, item, value);
            if (time > 0) {
                expire(key, time);
            }
            return true;
        } catch (Exception e) {
            e.printStackTrace();
            return false;
        }
    }

    
    public void hdel(String key, Object... item) {
        redisTemplate.opsForHash().delete(key, item);
    }

    
    public boolean hHasKey(String key, String item) {
        return redisTemplate.opsForHash().hasKey(key, item);
    }

    
    public double hincr(String key, String item, double by) {
        return redisTemplate.opsForHash().increment(key, item, by);
    }

    
    public double hdecr(String key, String item, double by) {
        return redisTemplate.opsForHash().increment(key, item, -by);
    }

    //============================Set=============================

    
    public Set